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Overview
Comment:Merge the 3.30.0 beta 1 changes from trunk.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | begin-concurrent
Files: files | file ages | folders
SHA3-256: a003818f708c336359d62b32f7e896ea0da5095dc20f47fefddecfcecda43e95
User & Date: drh 2019-09-30 16:14:05
Wiki:begin-concurrent
Context
2019-10-04
15:52
Bring the begin-concurrent branch up-to-date with the 3.30.0 release. Leaf check-in: abd1b4df user: drh tags: begin-concurrent
2019-09-30
16:14
Merge the 3.30.0 beta 1 changes from trunk. check-in: a003818f user: drh tags: begin-concurrent
2019-09-28
18:28
Add missing comment to constant definitions. check-in: 661a3789 user: drh tags: trunk
2019-09-16
12:08
Merge recent trunk enhancements into the begin-concurrent branch. check-in: 93b9ef3f user: drh tags: begin-concurrent
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to ext/fts3/fts3.c.

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#include "fts3.h"
#ifndef SQLITE_CORE 
# include "sqlite3ext.h"
  SQLITE_EXTENSION_INIT1
#endif













static int fts3EvalNext(Fts3Cursor *pCsr);
static int fts3EvalStart(Fts3Cursor *pCsr);
static int fts3TermSegReaderCursor(
    Fts3Cursor *, const char *, int, int, Fts3MultiSegReader **);

#ifndef SQLITE_AMALGAMATION
# if defined(SQLITE_DEBUG)
................................................................................
    p += n;
    *pp = p;
  }
  *ppPoslist = pEnd;
}

/*
** Value used to signify the end of an position-list. This is safe because
** it is not possible to have a document with 2^31 terms.

*/
#define POSITION_LIST_END 0x7fffffff

/*
** This function is used to help parse position-lists. When this function is
** called, *pp may point to the start of the next varint in the position-list
** being parsed, or it may point to 1 byte past the end of the position-list
** (in which case **pp will be a terminator bytes POS_END (0) or
** (1)).
................................................................................
    int iCol1;         /* The current column index in pp1 */
    int iCol2;         /* The current column index in pp2 */

    if( *p1==POS_COLUMN ){ 
      fts3GetVarint32(&p1[1], &iCol1);
      if( iCol1==0 ) return FTS_CORRUPT_VTAB;
    }
    else if( *p1==POS_END ) iCol1 = POSITION_LIST_END;
    else iCol1 = 0;

    if( *p2==POS_COLUMN ){
      fts3GetVarint32(&p2[1], &iCol2);
      if( iCol2==0 ) return FTS_CORRUPT_VTAB;
    }
    else if( *p2==POS_END ) iCol2 = POSITION_LIST_END;
    else iCol2 = 0;

    if( iCol1==iCol2 ){
      sqlite3_int64 i1 = 0;       /* Last position from pp1 */
      sqlite3_int64 i2 = 0;       /* Last position from pp2 */
      sqlite3_int64 iPrev = 0;
      int n = fts3PutColNumber(&p, iCol1);
................................................................................
  sqlite3_int64 iWrite;
  if( bDescIdx==0 || *pbFirst==0 ){
    iWrite = iVal - *piPrev;
  }else{
    iWrite = *piPrev - iVal;
  }
  assert( *pbFirst || *piPrev==0 );

  assert( *pbFirst==0 || iWrite>0 );
  *pp += sqlite3Fts3PutVarint(*pp, iWrite);
  *piPrev = iVal;
  *pbFirst = 1;
}


/*
................................................................................
      fts3PoslistCopy(&p, &p1);
      fts3GetDeltaVarint3(&p1, pEnd1, bDescDoclist, &i1);
    }else{
      fts3PutDeltaVarint3(&p, bDescDoclist, &iPrev, &bFirstOut, i2);
      fts3PoslistCopy(&p, &p2);
      fts3GetDeltaVarint3(&p2, pEnd2, bDescDoclist, &i2);
    }


  }

  if( rc!=SQLITE_OK ){
    sqlite3_free(aOut);
    p = aOut = 0;
  }else{
    assert( (p-aOut)<=n1+n2+FTS3_VARINT_MAX-1 );
................................................................................
  }else{
    rc = fts3EvalNext((Fts3Cursor *)pCursor);
  }
  assert( ((Fts3Table *)pCsr->base.pVtab)->pSegments==0 );
  return rc;
}

/*
** The following are copied from sqliteInt.h.
**
** Constants for the largest and smallest possible 64-bit signed integers.
** These macros are designed to work correctly on both 32-bit and 64-bit
** compilers.
*/
#ifndef SQLITE_AMALGAMATION
# define LARGEST_INT64  (0xffffffff|(((sqlite3_int64)0x7fffffff)<<32))
# define SMALLEST_INT64 (((sqlite3_int64)-1) - LARGEST_INT64)
#endif

/*
** If the numeric type of argument pVal is "integer", then return it
** converted to a 64-bit signed integer. Otherwise, return a copy of
** the second parameter, iDefault.
*/
static sqlite3_int64 fts3DocidRange(sqlite3_value *pVal, i64 iDefault){
  if( pVal ){







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#include "fts3.h"
#ifndef SQLITE_CORE 
# include "sqlite3ext.h"
  SQLITE_EXTENSION_INIT1
#endif

/*
** The following are copied from sqliteInt.h.
**
** Constants for the largest and smallest possible 64-bit signed integers.
** These macros are designed to work correctly on both 32-bit and 64-bit
** compilers.
*/
#ifndef SQLITE_AMALGAMATION
# define LARGEST_INT64  (0xffffffff|(((sqlite3_int64)0x7fffffff)<<32))
# define SMALLEST_INT64 (((sqlite3_int64)-1) - LARGEST_INT64)
#endif

static int fts3EvalNext(Fts3Cursor *pCsr);
static int fts3EvalStart(Fts3Cursor *pCsr);
static int fts3TermSegReaderCursor(
    Fts3Cursor *, const char *, int, int, Fts3MultiSegReader **);

#ifndef SQLITE_AMALGAMATION
# if defined(SQLITE_DEBUG)
................................................................................
    p += n;
    *pp = p;
  }
  *ppPoslist = pEnd;
}

/*
** Value used to signify the end of an position-list. This must be
** as large or larger than any value that might appear on the
** position-list, even a position list that has been corrupted.
*/
#define POSITION_LIST_END LARGEST_INT64

/*
** This function is used to help parse position-lists. When this function is
** called, *pp may point to the start of the next varint in the position-list
** being parsed, or it may point to 1 byte past the end of the position-list
** (in which case **pp will be a terminator bytes POS_END (0) or
** (1)).
................................................................................
    int iCol1;         /* The current column index in pp1 */
    int iCol2;         /* The current column index in pp2 */

    if( *p1==POS_COLUMN ){ 
      fts3GetVarint32(&p1[1], &iCol1);
      if( iCol1==0 ) return FTS_CORRUPT_VTAB;
    }
    else if( *p1==POS_END ) iCol1 = 0x7fffffff;
    else iCol1 = 0;

    if( *p2==POS_COLUMN ){
      fts3GetVarint32(&p2[1], &iCol2);
      if( iCol2==0 ) return FTS_CORRUPT_VTAB;
    }
    else if( *p2==POS_END ) iCol2 = 0x7fffffff;
    else iCol2 = 0;

    if( iCol1==iCol2 ){
      sqlite3_int64 i1 = 0;       /* Last position from pp1 */
      sqlite3_int64 i2 = 0;       /* Last position from pp2 */
      sqlite3_int64 iPrev = 0;
      int n = fts3PutColNumber(&p, iCol1);
................................................................................
  sqlite3_int64 iWrite;
  if( bDescIdx==0 || *pbFirst==0 ){
    iWrite = iVal - *piPrev;
  }else{
    iWrite = *piPrev - iVal;
  }
  assert( *pbFirst || *piPrev==0 );
  assert_fts3_nc( *pbFirst==0 || iWrite>0 );
  assert( *pbFirst==0 || iWrite>=0 );
  *pp += sqlite3Fts3PutVarint(*pp, iWrite);
  *piPrev = iVal;
  *pbFirst = 1;
}


/*
................................................................................
      fts3PoslistCopy(&p, &p1);
      fts3GetDeltaVarint3(&p1, pEnd1, bDescDoclist, &i1);
    }else{
      fts3PutDeltaVarint3(&p, bDescDoclist, &iPrev, &bFirstOut, i2);
      fts3PoslistCopy(&p, &p2);
      fts3GetDeltaVarint3(&p2, pEnd2, bDescDoclist, &i2);
    }
    
    assert( (p-aOut)<=((p1?(p1-a1):n1)+(p2?(p2-a2):n2)+FTS3_VARINT_MAX-1) );
  }

  if( rc!=SQLITE_OK ){
    sqlite3_free(aOut);
    p = aOut = 0;
  }else{
    assert( (p-aOut)<=n1+n2+FTS3_VARINT_MAX-1 );
................................................................................
  }else{
    rc = fts3EvalNext((Fts3Cursor *)pCursor);
  }
  assert( ((Fts3Table *)pCsr->base.pVtab)->pSegments==0 );
  return rc;
}













/*
** If the numeric type of argument pVal is "integer", then return it
** converted to a 64-bit signed integer. Otherwise, return a copy of
** the second parameter, iDefault.
*/
static sqlite3_int64 fts3DocidRange(sqlite3_value *pVal, i64 iDefault){
  if( pVal ){

Changes to ext/fts5/fts5_index.c.

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static void fts5DataRelease(Fts5Data *pData){
  sqlite3_free(pData);
}

static Fts5Data *fts5LeafRead(Fts5Index *p, i64 iRowid){
  Fts5Data *pRet = fts5DataRead(p, iRowid);
  if( pRet ){
    if( pRet->szLeaf>pRet->nn ){
      p->rc = FTS5_CORRUPT;
      fts5DataRelease(pRet);
      pRet = 0;
    }
  }
  return pRet;
}







|







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static void fts5DataRelease(Fts5Data *pData){
  sqlite3_free(pData);
}

static Fts5Data *fts5LeafRead(Fts5Index *p, i64 iRowid){
  Fts5Data *pRet = fts5DataRead(p, iRowid);
  if( pRet ){
    if( pRet->nn<4 || pRet->szLeaf>pRet->nn ){
      p->rc = FTS5_CORRUPT;
      fts5DataRelease(pRet);
      pRet = 0;
    }
  }
  return pRet;
}

Changes to ext/fts5/test/fts5corrupt3.test.

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|   4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04   ........version.
| end crash-3aef66940ace0c.db
}]} {}

do_catchsql_test 65.1 {
  SELECT ( MATCH (t1,591)) FROM t1 WHERE t1 MATCH 'e*eŸ'
} {1 {database disk image is malformed}}




















































































sqlite3_fts5_may_be_corrupt 0
finish_test









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|   4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04   ........version.
| end crash-3aef66940ace0c.db
}]} {}

do_catchsql_test 65.1 {
  SELECT ( MATCH (t1,591)) FROM t1 WHERE t1 MATCH 'e*eŸ'
} {1 {database disk image is malformed}}

#-------------------------------------------------------------------------
#
reset_db
do_test 66.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
.open --hexdb
| size 28672 pagesize 4096 filename crash-37cecb4e784e9f.db
| page 1 offset 0
|      0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00   SQLite format 3.
|     16: 10 00 01 01 00 40 20 20 00 00 00 00 00 00 00 07   .....@  ........
|     96: 00 00 00 00 0d 00 00 00 07 0d d2 00 0f c4 0f 6d   ...............m
|    112: 0f 02 0e ab 0e 4e 0d f6 0d d2 00 00 00 00 00 00   .....N..........
|   3536: 00 00 22 07 06 17 11 11 01 31 74 61 62 6c 65 74   .........1tablet
|   3552: 32 74 32 07 43 52 45 41 54 45 20 54 41 42 4c 45   2t2.CREATE TABLE
|   3568: 20 74 32 28 78 29 56 06 06 17 1f 1f 01 7d 74 61    t2(x)V.......ta
|   3584: 62 6c 65 74 31 5f 63 6f 6e 66 69 67 74 31 5f 63   blet1_configt1_c
|   3600: 6f 6e 66 69 67 06 43 52 45 41 54 45 20 54 41 42   onfig.CREATE TAB
|   3616: 4c 45 20 27 74 31 5f 63 6f 6e 66 69 67 27 28 6b   LE 't1_config'(k
|   3632: 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 76 29    PRIMARY KEY, v)
|   3648: 20 57 49 54 48 4f 55 54 20 52 4f 57 49 44 5b 05    WITHOUT ROWID[.
|   3664: 07 17 21 21 01 81 01 74 61 62 6c 65 74 31 5f 64   ..!!...tablet1_d
|   3680: 6f 63 73 69 7a 65 74 31 5f 64 6f 63 73 69 7a 65   ocsizet1_docsize
|   3696: 05 43 52 45 41 54 45 20 54 41 42 4c 45 20 27 74   .CREATE TABLE 't
|   3712: 31 5f 64 6f 63 73 69 7a 65 27 28 69 64 20 49 4e   1_docsize'(id IN
|   3728: 54 45 47 45 52 20 50 52 49 4d 41 52 59 20 4b 45   TEGER PRIMARY KE
|   3744: 59 2c 20 73 7a 20 42 4c 4f 42 29 55 04 06 17 21   Y, sz BLOB)U...!
|   3760: 21 01 77 74 61 62 6c 65 74 31 5f 63 6f 6e 74 65   !.wtablet1_conte
|   3776: 6e 74 74 31 5f 63 6f 6e 74 65 6e 74 04 43 52 45   ntt1_content.CRE
|   3792: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 63 6f   ATE TABLE 't1_co
|   3808: 6e 74 65 6e 74 27 28 69 64 20 49 4e 54 45 47 45   ntent'(id INTEGE
|   3824: 52 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 63   R PRIMARY KEY, c
|   3840: 30 29 69 03 07 17 19 19 01 81 2d 74 61 62 6c 65   0)i.......-table
|   3856: 74 31 5f 69 64 78 74 31 5f 69 64 78 03 43 52 45   t1_idxt1_idx.CRE
|   3872: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 69 64   ATE TABLE 't1_id
|   3888: 78 27 28 73 65 67 69 64 2c 20 74 65 72 6d 2c 20   x'(segid, term, 
|   3904: 70 67 6e 6f 2c 20 50 52 49 4d 41 52 59 20 4b 45   pgno, PRIMARY KE
|   3920: 59 28 73 65 67 69 64 2c 20 74 65 72 6d 29 29 20   Y(segid, term)) 
|   3936: 57 49 54 48 4f 55 54 20 52 4f 57 49 44 55 02 07   WITHOUT ROWIDU..
|   3952: 17 1b 1b 01 81 01 74 61 62 6c 65 74 31 5f 64 61   ......tablet1_da
|   3968: 74 61 74 31 5f 64 61 74 61 02 43 52 45 41 54 45   tat1_data.CREATE
|   3984: 20 54 41 42 4c 45 20 27 74 31 5f 64 61 74 61 27    TABLE 't1_data'
|   4000: 28 69 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d   (id INTEGER PRIM
|   4016: 41 52 49 20 4b 45 59 2c 20 62 6c 6f 63 6b 20 42   ARI KEY, block B
|   4032: 4c 4f 42 29 3a 01 06 17 11 11 08 63 74 61 62 6c   LOB):......ctabl
|   4048: 65 74 31 74 31 43 52 45 41 54 45 20 56 49 52 54   et1t1CREATE VIRT
|   4064: 55 41 4c 20 54 41 42 4c 45 20 74 31 20 55 53 49   UAL TABLE t1 USI
|   4080: 4e 47 20 66 74 73 35 28 63 6f 6e 74 65 6e 74 29   NG fts5(content)
| page 2 offset 4096
|      0: 0d 00 00 00 03 0f bd 00 0f e8 0f ef 0f bd 00 01   ................
|   4016: 00 00 00 00 00 00 00 00 00 00 00 00 00 24 84 80   .............$..
|   4032: 80 80 80 01 03 00 4e 00 00 00 1e 06 30 61 62 61   ......N.....0aba
|   4048: 63 6b 01 02 02 04 02 66 74 02 02 02 04 04 6e 64   ck.....ft.....nd
|   4064: 6f 6e 03 02 02 04 0a 07 05 01 03 00 10 03 03 0f   on..............
|   4080: 0a 03 00 24 00 00 00 00 01 01 01 00 01 00 01 01   ...$............
| page 3 offset 8192
|      0: 0a 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00   ................
|   4080: 00 00 00 00 00 00 00 00 00 00 05 04 09 0c 01 02   ................
| page 4 offset 12288
|      0: 0d 00 00 00 03 0f e0 00 0f f6 0f ec 0f e0 00 00   ................
|   4064: 0a 03 03 00 1b 61 62 61 6e 64 6f 6e 08 02 03 00   .....abandon....
|   4080: 17 61 62 61 66 74 08 01 03 00 17 61 62 61 63 6b   .abaft.....aback
| page 5 offset 16384
|      0: 0d 00 00 00 03 0f ee 00 0f fa 0f f4 0f ee 00 00   ................
|   4064: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 03   ................
|   4080: 03 00 0e 01 04 02 03 00 0e 01 04 01 03 00 0e 01   ................
| page 6 offset 20480
|      0: 0a 00 00 01 01 0f f4 00 0f f4 00 00 00 00 00 00   ................
|   4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04   ........version.
| page 7 offset 24576
|      0: 0d 00 00 00 03 0f d6 00 0f f4 0f e1 0f d6 00 00   ................
|   4048: 00 00 00 00 00 00 09 01 52 1b 72 65 62 75 69 6c   ........R.rebuil
|   4064: 64 11 02 02 2b 69 6e 74 65 67 72 69 74 79 2d 63   d...+integrity-c
|   4080: 68 65 63 6b 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   heck....optimize
| end crash-37cecb4e784e9f.db
}]} {}

do_catchsql_test 66.1 {
  INSERT INTO t1(t1) VALUES('integrity-check');
} {1 {database disk image is malformed}}



sqlite3_fts5_may_be_corrupt 0
finish_test

Changes to ext/misc/json1.c.

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1870
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** text through that comma.
*/
static void jsonGroupInverse(
  sqlite3_context *ctx,
  int argc,
  sqlite3_value **argv
){
  int i;
  int inStr = 0;
  int nNest = 0;
  char *z;
  char c;
  JsonString *pStr;
  UNUSED_PARAM(argc);
  UNUSED_PARAM(argv);







|







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** text through that comma.
*/
static void jsonGroupInverse(
  sqlite3_context *ctx,
  int argc,
  sqlite3_value **argv
){
  unsigned int i;
  int inStr = 0;
  int nNest = 0;
  char *z;
  char c;
  JsonString *pStr;
  UNUSED_PARAM(argc);
  UNUSED_PARAM(argv);

Changes to src/build.c.

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    }
    if( sqlite3AuthCheck(pParse, SQLITE_DELETE, pTab->zName, 0, zDb) ){
      goto exit_drop_table;
    }
  }
#endif
  if( sqlite3StrNICmp(pTab->zName, "sqlite_", 7)==0 
    && sqlite3StrNICmp(pTab->zName, "sqlite_stat", 11)!=0 ){

    sqlite3ErrorMsg(pParse, "table %s may not be dropped", pTab->zName);
    goto exit_drop_table;
  }

#ifndef SQLITE_OMIT_VIEW
  /* Ensure DROP TABLE is not used on a view, and DROP VIEW is not used
  ** on a table.







|
>







2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
    }
    if( sqlite3AuthCheck(pParse, SQLITE_DELETE, pTab->zName, 0, zDb) ){
      goto exit_drop_table;
    }
  }
#endif
  if( sqlite3StrNICmp(pTab->zName, "sqlite_", 7)==0 
    && sqlite3StrNICmp(pTab->zName+7, "stat", 4)!=0
    && sqlite3StrNICmp(pTab->zName+7, "parameters", 10)!=0 ){
    sqlite3ErrorMsg(pParse, "table %s may not be dropped", pTab->zName);
    goto exit_drop_table;
  }

#ifndef SQLITE_OMIT_VIEW
  /* Ensure DROP TABLE is not used on a view, and DROP VIEW is not used
  ** on a table.

Changes to src/expr.c.

901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
....
2863
2864
2865
2866
2867
2868
2869

2870
2871
2872
2873
2874
2875
2876
....
2954
2955
2956
2957
2958
2959
2960
2961
2962









2963
2964
2965


2966
2967
2968
2969
2970
2971
2972
....
2973
2974
2975
2976
2977
2978
2979

2980
2981
2982
2983
2984
2985
2986
....
4940
4941
4942
4943
4944
4945
4946

4947
4948
4949
4950
4951
4952
4953
4954
....
5604
5605
5606
5607
5608
5609
5610





5611
5612
5613
5614
5615
5616
5617
  if( pLeft==0  ){
    return pRight;
  }else if( pRight==0 ){
    return pLeft;
  }else if( ExprAlwaysFalse(pLeft) || ExprAlwaysFalse(pRight) ){
    sqlite3ExprUnmapAndDelete(pParse, pLeft);
    sqlite3ExprUnmapAndDelete(pParse, pRight);
    return sqlite3ExprAlloc(db, TK_INTEGER, &sqlite3IntTokens[0], 0);
  }else{
    return sqlite3PExpr(pParse, TK_AND, pLeft, pRight);
  }
}

/*
** Construct a new expression node for a function with multiple
................................................................................
    sqlite3VdbeChangeP4(v, addr, (void *)pKeyInfo, P4_KEYINFO);
  }
  if( addrOnce ){
    sqlite3VdbeJumpHere(v, addrOnce);
    /* Subroutine return */
    sqlite3VdbeAddOp1(v, OP_Return, pExpr->y.sub.regReturn);
    sqlite3VdbeChangeP1(v, pExpr->y.sub.iAddr-1, sqlite3VdbeCurrentAddr(v)-1);

  }
}
#endif /* SQLITE_OMIT_SUBQUERY */

/*
** Generate code for scalar subqueries used as a subquery expression
** or EXISTS operator:
................................................................................
    sqlite3VdbeAddOp3(v, OP_Null, 0, dest.iSDParm, dest.iSDParm+nReg-1);
    VdbeComment((v, "Init subquery result"));
  }else{
    dest.eDest = SRT_Exists;
    sqlite3VdbeAddOp2(v, OP_Integer, 0, dest.iSDParm);
    VdbeComment((v, "Init EXISTS result"));
  }
  pLimit = sqlite3ExprAlloc(pParse->db, TK_INTEGER,&sqlite3IntTokens[1], 0);
  if( pSel->pLimit ){









    sqlite3ExprDelete(pParse->db, pSel->pLimit->pLeft);
    pSel->pLimit->pLeft = pLimit;
  }else{


    pSel->pLimit = sqlite3PExpr(pParse, TK_LIMIT, pLimit, 0);
  }
  pSel->iLimit = 0;
  if( sqlite3Select(pParse, pSel, &dest) ){
    return 0;
  }
  pExpr->iTable = rReg = dest.iSDParm;
................................................................................
  ExprSetVVAProperty(pExpr, EP_NoReduce);
  if( addrOnce ){
    sqlite3VdbeJumpHere(v, addrOnce);

    /* Subroutine return */
    sqlite3VdbeAddOp1(v, OP_Return, pExpr->y.sub.regReturn);
    sqlite3VdbeChangeP1(v, pExpr->y.sub.iAddr-1, sqlite3VdbeCurrentAddr(v)-1);

  }

  return rReg;
}
#endif /* SQLITE_OMIT_SUBQUERY */

#ifndef SQLITE_OMIT_SUBQUERY
................................................................................
    if( sqlite3ExprListCompare(pA->x.pList, pB->x.pList, iTab) ) return 2;
    if( pA->op!=TK_STRING
     && pA->op!=TK_TRUEFALSE
     && (combinedFlags & EP_Reduced)==0
    ){
      if( pA->iColumn!=pB->iColumn ) return 2;
      if( pA->op2!=pB->op2 ) return 2;

      if( pA->iTable!=pB->iTable 
       && (pA->iTable!=iTab || NEVER(pB->iTable>=0)) ) return 2;
    }
  }
  return 0;
}

/*
................................................................................
    pParse->nRangeReg = nReg;
    pParse->iRangeReg = iReg;
  }
}

/*
** Mark all temporary registers as being unavailable for reuse.





*/
void sqlite3ClearTempRegCache(Parse *pParse){
  pParse->nTempReg = 0;
  pParse->nRangeReg = 0;
}

/*







|







 







>







 







<

>
>
>
>
>
>
>
>
>
|


>
>







 







>







 







>
|







 







>
>
>
>
>







901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
....
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
....
2955
2956
2957
2958
2959
2960
2961

2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
....
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
....
4952
4953
4954
4955
4956
4957
4958
4959
4960
4961
4962
4963
4964
4965
4966
4967
....
5617
5618
5619
5620
5621
5622
5623
5624
5625
5626
5627
5628
5629
5630
5631
5632
5633
5634
5635
  if( pLeft==0  ){
    return pRight;
  }else if( pRight==0 ){
    return pLeft;
  }else if( ExprAlwaysFalse(pLeft) || ExprAlwaysFalse(pRight) ){
    sqlite3ExprUnmapAndDelete(pParse, pLeft);
    sqlite3ExprUnmapAndDelete(pParse, pRight);
    return sqlite3Expr(db, TK_INTEGER, "0");
  }else{
    return sqlite3PExpr(pParse, TK_AND, pLeft, pRight);
  }
}

/*
** Construct a new expression node for a function with multiple
................................................................................
    sqlite3VdbeChangeP4(v, addr, (void *)pKeyInfo, P4_KEYINFO);
  }
  if( addrOnce ){
    sqlite3VdbeJumpHere(v, addrOnce);
    /* Subroutine return */
    sqlite3VdbeAddOp1(v, OP_Return, pExpr->y.sub.regReturn);
    sqlite3VdbeChangeP1(v, pExpr->y.sub.iAddr-1, sqlite3VdbeCurrentAddr(v)-1);
    sqlite3ClearTempRegCache(pParse);
  }
}
#endif /* SQLITE_OMIT_SUBQUERY */

/*
** Generate code for scalar subqueries used as a subquery expression
** or EXISTS operator:
................................................................................
    sqlite3VdbeAddOp3(v, OP_Null, 0, dest.iSDParm, dest.iSDParm+nReg-1);
    VdbeComment((v, "Init subquery result"));
  }else{
    dest.eDest = SRT_Exists;
    sqlite3VdbeAddOp2(v, OP_Integer, 0, dest.iSDParm);
    VdbeComment((v, "Init EXISTS result"));
  }

  if( pSel->pLimit ){
    /* The subquery already has a limit.  If the pre-existing limit is X
    ** then make the new limit X<>0 so that the new limit is either 1 or 0 */
    sqlite3 *db = pParse->db;
    pLimit = sqlite3Expr(db, TK_INTEGER, "0");
    if( pLimit ){
      pLimit->affExpr = SQLITE_AFF_NUMERIC;
      pLimit = sqlite3PExpr(pParse, TK_NE,
                            sqlite3ExprDup(db, pSel->pLimit->pLeft, 0), pLimit);
    }
    sqlite3ExprDelete(db, pSel->pLimit->pLeft);
    pSel->pLimit->pLeft = pLimit;
  }else{
    /* If there is no pre-existing limit add a limit of 1 */
    pLimit = sqlite3Expr(pParse->db, TK_INTEGER, "1");
    pSel->pLimit = sqlite3PExpr(pParse, TK_LIMIT, pLimit, 0);
  }
  pSel->iLimit = 0;
  if( sqlite3Select(pParse, pSel, &dest) ){
    return 0;
  }
  pExpr->iTable = rReg = dest.iSDParm;
................................................................................
  ExprSetVVAProperty(pExpr, EP_NoReduce);
  if( addrOnce ){
    sqlite3VdbeJumpHere(v, addrOnce);

    /* Subroutine return */
    sqlite3VdbeAddOp1(v, OP_Return, pExpr->y.sub.regReturn);
    sqlite3VdbeChangeP1(v, pExpr->y.sub.iAddr-1, sqlite3VdbeCurrentAddr(v)-1);
    sqlite3ClearTempRegCache(pParse);
  }

  return rReg;
}
#endif /* SQLITE_OMIT_SUBQUERY */

#ifndef SQLITE_OMIT_SUBQUERY
................................................................................
    if( sqlite3ExprListCompare(pA->x.pList, pB->x.pList, iTab) ) return 2;
    if( pA->op!=TK_STRING
     && pA->op!=TK_TRUEFALSE
     && (combinedFlags & EP_Reduced)==0
    ){
      if( pA->iColumn!=pB->iColumn ) return 2;
      if( pA->op2!=pB->op2 ) return 2;
      if( pA->op!=TK_IN
       && pA->iTable!=pB->iTable 
       && (pA->iTable!=iTab || NEVER(pB->iTable>=0)) ) return 2;
    }
  }
  return 0;
}

/*
................................................................................
    pParse->nRangeReg = nReg;
    pParse->iRangeReg = iReg;
  }
}

/*
** Mark all temporary registers as being unavailable for reuse.
**
** Always invoke this procedure after coding a subroutine or co-routine
** that might be invoked from other parts of the code, to ensure that
** the sub/co-routine does not use registers in common with the code that
** invokes the sub/co-routine.
*/
void sqlite3ClearTempRegCache(Parse *pParse){
  pParse->nTempReg = 0;
  pParse->nRangeReg = 0;
}

/*

Changes to src/func.c.

199
200
201
202
203
204
205


206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221










222
223
224
225
226
227
228
229
230
231
232
233
234
235
236







237
238
239
240
241
242
243
  const unsigned char *zNeedle;
  int nHaystack;
  int nNeedle;
  int typeHaystack, typeNeedle;
  int N = 1;
  int isText;
  unsigned char firstChar;



  UNUSED_PARAMETER(argc);
  typeHaystack = sqlite3_value_type(argv[0]);
  typeNeedle = sqlite3_value_type(argv[1]);
  if( typeHaystack==SQLITE_NULL || typeNeedle==SQLITE_NULL ) return;
  nHaystack = sqlite3_value_bytes(argv[0]);
  nNeedle = sqlite3_value_bytes(argv[1]);
  if( nNeedle>0 ){
    if( typeHaystack==SQLITE_BLOB && typeNeedle==SQLITE_BLOB ){
      zHaystack = sqlite3_value_blob(argv[0]);
      zNeedle = sqlite3_value_blob(argv[1]);
      isText = 0;
    }else{
      zHaystack = sqlite3_value_text(argv[0]);
      zNeedle = sqlite3_value_text(argv[1]);
      isText = 1;










    }
    if( zNeedle==0 || (nHaystack && zHaystack==0) ) return;
    firstChar = zNeedle[0];
    while( nNeedle<=nHaystack
       && (zHaystack[0]!=firstChar || memcmp(zHaystack, zNeedle, nNeedle)!=0)
    ){
      N++;
      do{
        nHaystack--;
        zHaystack++;
      }while( isText && (zHaystack[0]&0xc0)==0x80 );
    }
    if( nNeedle>nHaystack ) N = 0;
  }
  sqlite3_result_int(context, N);







}

/*
** Implementation of the printf() function.
*/
static void printfFunc(
  sqlite3_context *context,







>
>












|



>
>
>
>
>
>
>
>
>
>

|













>
>
>
>
>
>
>







199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
  const unsigned char *zNeedle;
  int nHaystack;
  int nNeedle;
  int typeHaystack, typeNeedle;
  int N = 1;
  int isText;
  unsigned char firstChar;
  sqlite3_value *pC1 = 0;
  sqlite3_value *pC2 = 0;

  UNUSED_PARAMETER(argc);
  typeHaystack = sqlite3_value_type(argv[0]);
  typeNeedle = sqlite3_value_type(argv[1]);
  if( typeHaystack==SQLITE_NULL || typeNeedle==SQLITE_NULL ) return;
  nHaystack = sqlite3_value_bytes(argv[0]);
  nNeedle = sqlite3_value_bytes(argv[1]);
  if( nNeedle>0 ){
    if( typeHaystack==SQLITE_BLOB && typeNeedle==SQLITE_BLOB ){
      zHaystack = sqlite3_value_blob(argv[0]);
      zNeedle = sqlite3_value_blob(argv[1]);
      isText = 0;
    }else if( typeHaystack!=SQLITE_BLOB && typeNeedle!=SQLITE_BLOB ){
      zHaystack = sqlite3_value_text(argv[0]);
      zNeedle = sqlite3_value_text(argv[1]);
      isText = 1;
    }else{
      pC1 = sqlite3_value_dup(argv[0]);
      zHaystack = sqlite3_value_text(pC1);
      if( zHaystack==0 ) goto endInstrOOM;
      nHaystack = sqlite3_value_bytes(pC1);
      pC2 = sqlite3_value_dup(argv[1]);
      zNeedle = sqlite3_value_text(pC2);
      if( zNeedle==0 ) goto endInstrOOM;
      nNeedle = sqlite3_value_bytes(pC2);
      isText = 1;
    }
    if( zNeedle==0 || (nHaystack && zHaystack==0) ) goto endInstrOOM;
    firstChar = zNeedle[0];
    while( nNeedle<=nHaystack
       && (zHaystack[0]!=firstChar || memcmp(zHaystack, zNeedle, nNeedle)!=0)
    ){
      N++;
      do{
        nHaystack--;
        zHaystack++;
      }while( isText && (zHaystack[0]&0xc0)==0x80 );
    }
    if( nNeedle>nHaystack ) N = 0;
  }
  sqlite3_result_int(context, N);
endInstr:
  sqlite3_value_free(pC1);
  sqlite3_value_free(pC2);
  return;
endInstrOOM:
  sqlite3_result_error_nomem(context);
  goto endInstr;
}

/*
** Implementation of the printf() function.
*/
static void printfFunc(
  sqlite3_context *context,

Changes to src/global.c.

267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
/*
** Hash table for global functions - functions common to all
** database connections.  After initialization, this table is
** read-only.
*/
FuncDefHash sqlite3BuiltinFunctions;

/*
** Constant tokens for values 0 and 1.
*/
const Token sqlite3IntTokens[] = {
   { "0", 1 },
   { "1", 1 }
};

#ifdef VDBE_PROFILE
/*
** The following performance counter can be used in place of
** sqlite3Hwtime() for profiling.  This is a no-op on standard builds.
*/
sqlite3_uint64 sqlite3NProfileCnt = 0;
#endif







<
<
<
<
<
<
<
<







267
268
269
270
271
272
273








274
275
276
277
278
279
280
/*
** Hash table for global functions - functions common to all
** database connections.  After initialization, this table is
** read-only.
*/
FuncDefHash sqlite3BuiltinFunctions;









#ifdef VDBE_PROFILE
/*
** The following performance counter can be used in place of
** sqlite3Hwtime() for profiling.  This is a no-op on standard builds.
*/
sqlite3_uint64 sqlite3NProfileCnt = 0;
#endif

Changes to src/os_unix.c.

101
102
103
104
105
106
107














108
109
110
111

112
113
114

115
116
117
118
119
120
121
....
5870
5871
5872
5873
5874
5875
5876
5877
5878
5879
5880
5881
5882
5883
5884
....
6105
6106
6107
6108
6109
6110
6111
6112
6113
6114








6115
6116
6117
6118
6119
6120
6121
6122
6123
....
6967
6968
6969
6970
6971
6972
6973
6974
6975
6976
6977
6978
6979
6980
6981
6982
6983
6984
6985
6986
6987
6988
6989
6990
6991
6992

#if SQLITE_ENABLE_LOCKING_STYLE
# include <sys/ioctl.h>
# include <sys/file.h>
# include <sys/param.h>
#endif /* SQLITE_ENABLE_LOCKING_STYLE */















#if defined(__APPLE__) && ((__MAC_OS_X_VERSION_MIN_REQUIRED > 1050) || \
                           (__IPHONE_OS_VERSION_MIN_REQUIRED > 2000))
#  if (!defined(TARGET_OS_EMBEDDED) || (TARGET_OS_EMBEDDED==0)) \
       && (!defined(TARGET_IPHONE_SIMULATOR) || (TARGET_IPHONE_SIMULATOR==0))

#    define HAVE_GETHOSTUUID 1
#  else
#    warning "gethostuuid() is disabled."

#  endif
#endif


#if OS_VXWORKS
# include <sys/ioctl.h>
# include <semaphore.h>
................................................................................
** corresponding database file and sets *pMode to this value. Whenever 
** possible, WAL and journal files are created using the same permissions 
** as the associated database file.
**
** If the SQLITE_ENABLE_8_3_NAMES option is enabled, then the
** original filename is unavailable.  But 8_3_NAMES is only used for
** FAT filesystems and permissions do not matter there, so just use
** the default permissions.
*/
static int findCreateFileMode(
  const char *zPath,              /* Path of file (possibly) being created */
  int flags,                      /* Flags passed as 4th argument to xOpen() */
  mode_t *pMode,                  /* OUT: Permissions to open file with */
  uid_t *pUid,                    /* OUT: uid to set on the file */
  gid_t *pGid                     /* OUT: gid to set on the file */
................................................................................
    }
    if( fd<0 ){
      int rc2 = unixLogError(SQLITE_CANTOPEN_BKPT, "open", zName);
      if( rc==SQLITE_OK ) rc = rc2;
      goto open_finished;
    }

    /* If this process is running as root and if creating a new rollback
    ** journal or WAL file, set the ownership of the journal or WAL to be
    ** the same as the original database.








    */
    if( flags & (SQLITE_OPEN_WAL|SQLITE_OPEN_MAIN_JOURNAL) ){
      robustFchown(fd, uid, gid);
    }
  }
  assert( fd>=0 );
  if( pOutFlags ){
    *pOutFlags = flags;
  }
................................................................................
#ifdef SQLITE_TEST
/* simulate multiple hosts by creating unique hostid file paths */
int sqlite3_hostid_num = 0;
#endif

#define PROXY_HOSTIDLEN    16  /* conch file host id length */

#ifdef HAVE_GETHOSTUUID
/* Not always defined in the headers as it ought to be */
extern int gethostuuid(uuid_t id, const struct timespec *wait);
#endif

/* get the host ID via gethostuuid(), pHostID must point to PROXY_HOSTIDLEN 
** bytes of writable memory.
*/
static int proxyGetHostID(unsigned char *pHostID, int *pError){
  assert(PROXY_HOSTIDLEN == sizeof(uuid_t));
  memset(pHostID, 0, PROXY_HOSTIDLEN);
#ifdef HAVE_GETHOSTUUID
  {
    struct timespec timeout = {1, 0}; /* 1 sec timeout */
    if( gethostuuid(pHostID, &timeout) ){
      int err = errno;
      if( pError ){
        *pError = err;
      }







>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
|
|
|
>
|
|
|
>







 







|







 







|
|
|
>
>
>
>
>
>
>
>

|







 







|










|







101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
....
5886
5887
5888
5889
5890
5891
5892
5893
5894
5895
5896
5897
5898
5899
5900
....
6121
6122
6123
6124
6125
6126
6127
6128
6129
6130
6131
6132
6133
6134
6135
6136
6137
6138
6139
6140
6141
6142
6143
6144
6145
6146
6147
....
6991
6992
6993
6994
6995
6996
6997
6998
6999
7000
7001
7002
7003
7004
7005
7006
7007
7008
7009
7010
7011
7012
7013
7014
7015
7016

#if SQLITE_ENABLE_LOCKING_STYLE
# include <sys/ioctl.h>
# include <sys/file.h>
# include <sys/param.h>
#endif /* SQLITE_ENABLE_LOCKING_STYLE */

/*
** Try to determine if gethostuuid() is available based on standard
** macros.  This might sometimes compute the wrong value for some
** obscure platforms.  For those cases, simply compile with one of
** the following:
**
**    -DHAVE_GETHOSTUUID=0
**    -DHAVE_GETHOSTUUID=1
**
** None if this matters except when building on Apple products with
** -DSQLITE_ENABLE_LOCKING_STYLE.
*/
#ifndef HAVE_GETHOSTUUID
# define HAVE_GETHOSTUUID 0
# if defined(__APPLE__) && ((__MAC_OS_X_VERSION_MIN_REQUIRED > 1050) || \
                            (__IPHONE_OS_VERSION_MIN_REQUIRED > 2000))
#    if (!defined(TARGET_OS_EMBEDDED) || (TARGET_OS_EMBEDDED==0)) \
         && (!defined(TARGET_IPHONE_SIMULATOR) || (TARGET_IPHONE_SIMULATOR==0))
#      undef HAVE_GETHOSTUUID
#      define HAVE_GETHOSTUUID 1
#    else
#      warning "gethostuuid() is disabled."
#    endif
#  endif
#endif


#if OS_VXWORKS
# include <sys/ioctl.h>
# include <semaphore.h>
................................................................................
** corresponding database file and sets *pMode to this value. Whenever 
** possible, WAL and journal files are created using the same permissions 
** as the associated database file.
**
** If the SQLITE_ENABLE_8_3_NAMES option is enabled, then the
** original filename is unavailable.  But 8_3_NAMES is only used for
** FAT filesystems and permissions do not matter there, so just use
** the default permissions.  In 8_3_NAMES mode, leave *pMode set to zero.
*/
static int findCreateFileMode(
  const char *zPath,              /* Path of file (possibly) being created */
  int flags,                      /* Flags passed as 4th argument to xOpen() */
  mode_t *pMode,                  /* OUT: Permissions to open file with */
  uid_t *pUid,                    /* OUT: uid to set on the file */
  gid_t *pGid                     /* OUT: gid to set on the file */
................................................................................
    }
    if( fd<0 ){
      int rc2 = unixLogError(SQLITE_CANTOPEN_BKPT, "open", zName);
      if( rc==SQLITE_OK ) rc = rc2;
      goto open_finished;
    }

    /* The owner of the rollback journal or WAL file should always be the
    ** same as the owner of the database file.  Try to ensure that this is
    ** the case.  The chown() system call will be a no-op if the current
    ** process lacks root privileges, be we should at least try.  Without
    ** this step, if a root process opens a database file, it can leave
    ** behinds a journal/WAL that is owned by root and hence make the
    ** database inaccessible to unprivileged processes.
    **
    ** If openMode==0, then that means uid and gid are not set correctly
    ** (probably because SQLite is configured to use 8+3 filename mode) and
    ** in that case we do not want to attempt the chown().
    */
    if( openMode && (flags & (SQLITE_OPEN_WAL|SQLITE_OPEN_MAIN_JOURNAL))!=0 ){
      robustFchown(fd, uid, gid);
    }
  }
  assert( fd>=0 );
  if( pOutFlags ){
    *pOutFlags = flags;
  }
................................................................................
#ifdef SQLITE_TEST
/* simulate multiple hosts by creating unique hostid file paths */
int sqlite3_hostid_num = 0;
#endif

#define PROXY_HOSTIDLEN    16  /* conch file host id length */

#if HAVE_GETHOSTUUID
/* Not always defined in the headers as it ought to be */
extern int gethostuuid(uuid_t id, const struct timespec *wait);
#endif

/* get the host ID via gethostuuid(), pHostID must point to PROXY_HOSTIDLEN 
** bytes of writable memory.
*/
static int proxyGetHostID(unsigned char *pHostID, int *pError){
  assert(PROXY_HOSTIDLEN == sizeof(uuid_t));
  memset(pHostID, 0, PROXY_HOSTIDLEN);
#if HAVE_GETHOSTUUID
  {
    struct timespec timeout = {1, 0}; /* 1 sec timeout */
    if( gethostuuid(pHostID, &timeout) ){
      int err = errno;
      if( pError ){
        *pError = err;
      }

Changes to src/parse.y.

1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
      **      expr1 IN ()
      **      expr1 NOT IN ()
      **
      ** simplify to constants 0 (false) and 1 (true), respectively,
      ** regardless of the value of expr1.
      */
      sqlite3ExprUnmapAndDelete(pParse, A);
      A = sqlite3ExprAlloc(pParse->db, TK_INTEGER,&sqlite3IntTokens[N],1);
    }else{
      A = sqlite3PExpr(pParse, TK_IN, A, 0);
      if( A ){
        A->x.pList = Y;
        sqlite3ExprSetHeightAndFlags(pParse, A);
      }else{
        sqlite3ExprListDelete(pParse->db, Y);







|







1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
      **      expr1 IN ()
      **      expr1 NOT IN ()
      **
      ** simplify to constants 0 (false) and 1 (true), respectively,
      ** regardless of the value of expr1.
      */
      sqlite3ExprUnmapAndDelete(pParse, A);
      A = sqlite3Expr(pParse->db, TK_INTEGER, N ? "1" : "0");
    }else{
      A = sqlite3PExpr(pParse, TK_IN, A, 0);
      if( A ){
        A->x.pList = Y;
        sqlite3ExprSetHeightAndFlags(pParse, A);
      }else{
        sqlite3ExprListDelete(pParse->db, Y);

Changes to src/resolve.c.

91
92
93
94
95
96
97







98
99
100
101
102
103
104
    ExprSetProperty(pExpr, EP_Static);
    sqlite3ExprDelete(db, pExpr);
    memcpy(pExpr, pDup, sizeof(*pExpr));
    if( !ExprHasProperty(pExpr, EP_IntValue) && pExpr->u.zToken!=0 ){
      assert( (pExpr->flags & (EP_Reduced|EP_TokenOnly))==0 );
      pExpr->u.zToken = sqlite3DbStrDup(db, pExpr->u.zToken);
      pExpr->flags |= EP_MemToken;







    }
    sqlite3DbFree(db, pDup);
  }
  ExprSetProperty(pExpr, EP_Alias);
}









>
>
>
>
>
>
>







91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
    ExprSetProperty(pExpr, EP_Static);
    sqlite3ExprDelete(db, pExpr);
    memcpy(pExpr, pDup, sizeof(*pExpr));
    if( !ExprHasProperty(pExpr, EP_IntValue) && pExpr->u.zToken!=0 ){
      assert( (pExpr->flags & (EP_Reduced|EP_TokenOnly))==0 );
      pExpr->u.zToken = sqlite3DbStrDup(db, pExpr->u.zToken);
      pExpr->flags |= EP_MemToken;
    }
    if( ExprHasProperty(pExpr, EP_WinFunc) ){
      if( pExpr->y.pWin!=0 ){
        pExpr->y.pWin->pOwner = pExpr;
      }else{
        assert( db->mallocFailed );
      }
    }
    sqlite3DbFree(db, pDup);
  }
  ExprSetProperty(pExpr, EP_Alias);
}


Changes to src/select.c.

5352
5353
5354
5355
5356
5357
5358













5359
5360
5361
5362
5363
5364
5365
....
5402
5403
5404
5405
5406
5407
5408

5409
5410
5411
5412
5413
5414
5415
....
5447
5448
5449
5450
5451
5452
5453
5454
5455
5456
5457
5458
5459
5460
5461
....
6205
6206
6207
6208
6209
6210
6211
























6212
6213
6214
6215
6216
6217
6218
6219
6220
6221
6222
6223
6224
6225
6226
6227
6228
6229
6230
6231
6232
6233
6234
6235
....
6577
6578
6579
6580
6581
6582
6583
6584
6585
6586
6587
6588




6589
6590

6591
6592
6593
6594
6595
6596
6597
    int addrNext = 0;
    int regAgg;
    ExprList *pList = pF->pExpr->x.pList;
    assert( !ExprHasProperty(pF->pExpr, EP_xIsSelect) );
    assert( !IsWindowFunc(pF->pExpr) );
    if( ExprHasProperty(pF->pExpr, EP_WinFunc) ){
      Expr *pFilter = pF->pExpr->y.pWin->pFilter;













      addrNext = sqlite3VdbeMakeLabel(pParse);
      sqlite3ExprIfFalse(pParse, pFilter, addrNext, SQLITE_JUMPIFNULL);
    }
    if( pList ){
      nArg = pList->nExpr;
      regAgg = sqlite3GetTempRange(pParse, nArg);
      sqlite3ExprCodeExprList(pParse, pList, regAgg, 0, SQLITE_ECEL_DUP);
................................................................................
  }
  if( regHit ){
    addrHitTest = sqlite3VdbeAddOp1(v, OP_If, regHit); VdbeCoverage(v);
  }
  for(i=0, pC=pAggInfo->aCol; i<pAggInfo->nAccumulator; i++, pC++){
    sqlite3ExprCode(pParse, pC->pExpr, pC->iMem);
  }

  pAggInfo->directMode = 0;
  if( addrHitTest ){
    sqlite3VdbeJumpHere(v, addrHitTest);
  }
}

/*
................................................................................
** within the HAVING expression with a constant "1".
*/
static int havingToWhereExprCb(Walker *pWalker, Expr *pExpr){
  if( pExpr->op!=TK_AND ){
    Select *pS = pWalker->u.pSelect;
    if( sqlite3ExprIsConstantOrGroupBy(pWalker->pParse, pExpr, pS->pGroupBy) ){
      sqlite3 *db = pWalker->pParse->db;
      Expr *pNew = sqlite3ExprAlloc(db, TK_INTEGER, &sqlite3IntTokens[1], 0);
      if( pNew ){
        Expr *pWhere = pS->pWhere;
        SWAP(Expr, *pNew, *pExpr);
        pNew = sqlite3ExprAnd(pWalker->pParse, pWhere, pNew);
        pS->pWhere = pNew;
        pWalker->eCode = 1;
      }
................................................................................
        pItem->u.x.iAlias = 0;
      }
      for(k=pGroupBy->nExpr, pItem=pGroupBy->a; k>0; k--, pItem++){
        pItem->u.x.iAlias = 0;
      }
      assert( 66==sqlite3LogEst(100) );
      if( p->nSelectRow>66 ) p->nSelectRow = 66;
























    }else{
      assert( 0==sqlite3LogEst(1) );
      p->nSelectRow = 0;
    }

    /* If there is both a GROUP BY and an ORDER BY clause and they are
    ** identical, then it may be possible to disable the ORDER BY clause 
    ** on the grounds that the GROUP BY will cause elements to come out 
    ** in the correct order. It also may not - the GROUP BY might use a
    ** database index that causes rows to be grouped together as required
    ** but not actually sorted. Either way, record the fact that the
    ** ORDER BY and GROUP BY clauses are the same by setting the orderByGrp
    ** variable.  */
    if( sqlite3ExprListCompare(pGroupBy, sSort.pOrderBy, -1)==0 ){
      orderByGrp = 1;
    }
 
    /* Create a label to jump to when we want to abort the query */
    addrEnd = sqlite3VdbeMakeLabel(pParse);

    /* Convert TK_COLUMN nodes into TK_AGG_COLUMN and make entries in
    ** sAggInfo for all TK_AGG_FUNCTION nodes in expressions of the
    ** SELECT statement.
    */
................................................................................
        sqlite3VdbeAddOp1(v, OP_Close, iCsr);
        explainSimpleCount(pParse, pTab, pBest);
      }else
#endif /* SQLITE_OMIT_BTREECOUNT */
      {
        int regAcc = 0;           /* "populate accumulators" flag */

        /* If there are accumulator registers but no min() or max() functions,
        ** allocate register regAcc. Register regAcc will contain 0 the first
        ** time the inner loop runs, and 1 thereafter. The code generated
        ** by updateAccumulator() only updates the accumulator registers if
        ** regAcc contains 0.  */




        if( sAggInfo.nAccumulator ){
          for(i=0; i<sAggInfo.nFunc; i++){

            if( sAggInfo.aFunc[i].pFunc->funcFlags&SQLITE_FUNC_NEEDCOLL ) break;
          }
          if( i==sAggInfo.nFunc ){
            regAcc = ++pParse->nMem;
            sqlite3VdbeAddOp2(v, OP_Integer, 0, regAcc);
          }
        }







>
>
>
>
>
>
>
>
>
>
>
>
>







 







>







 







|







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>





<
<
<
<
<
<
<
<
<
<
<
<







 







|
|
|
|
|
>
>
>
>


>







5352
5353
5354
5355
5356
5357
5358
5359
5360
5361
5362
5363
5364
5365
5366
5367
5368
5369
5370
5371
5372
5373
5374
5375
5376
5377
5378
....
5415
5416
5417
5418
5419
5420
5421
5422
5423
5424
5425
5426
5427
5428
5429
....
5461
5462
5463
5464
5465
5466
5467
5468
5469
5470
5471
5472
5473
5474
5475
....
6219
6220
6221
6222
6223
6224
6225
6226
6227
6228
6229
6230
6231
6232
6233
6234
6235
6236
6237
6238
6239
6240
6241
6242
6243
6244
6245
6246
6247
6248
6249
6250
6251
6252
6253
6254












6255
6256
6257
6258
6259
6260
6261
....
6603
6604
6605
6606
6607
6608
6609
6610
6611
6612
6613
6614
6615
6616
6617
6618
6619
6620
6621
6622
6623
6624
6625
6626
6627
6628
    int addrNext = 0;
    int regAgg;
    ExprList *pList = pF->pExpr->x.pList;
    assert( !ExprHasProperty(pF->pExpr, EP_xIsSelect) );
    assert( !IsWindowFunc(pF->pExpr) );
    if( ExprHasProperty(pF->pExpr, EP_WinFunc) ){
      Expr *pFilter = pF->pExpr->y.pWin->pFilter;
      if( pAggInfo->nAccumulator 
       && (pF->pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL) 
      ){
        if( regHit==0 ) regHit = ++pParse->nMem;
        /* If this is the first row of the group (regAcc==0), clear the
        ** "magnet" register regHit so that the accumulator registers
        ** are populated if the FILTER clause jumps over the the 
        ** invocation of min() or max() altogether. Or, if this is not
        ** the first row (regAcc==1), set the magnet register so that the
        ** accumulators are not populated unless the min()/max() is invoked and
        ** indicates that they should be.  */
        sqlite3VdbeAddOp2(v, OP_Copy, regAcc, regHit);
      }
      addrNext = sqlite3VdbeMakeLabel(pParse);
      sqlite3ExprIfFalse(pParse, pFilter, addrNext, SQLITE_JUMPIFNULL);
    }
    if( pList ){
      nArg = pList->nExpr;
      regAgg = sqlite3GetTempRange(pParse, nArg);
      sqlite3ExprCodeExprList(pParse, pList, regAgg, 0, SQLITE_ECEL_DUP);
................................................................................
  }
  if( regHit ){
    addrHitTest = sqlite3VdbeAddOp1(v, OP_If, regHit); VdbeCoverage(v);
  }
  for(i=0, pC=pAggInfo->aCol; i<pAggInfo->nAccumulator; i++, pC++){
    sqlite3ExprCode(pParse, pC->pExpr, pC->iMem);
  }

  pAggInfo->directMode = 0;
  if( addrHitTest ){
    sqlite3VdbeJumpHere(v, addrHitTest);
  }
}

/*
................................................................................
** within the HAVING expression with a constant "1".
*/
static int havingToWhereExprCb(Walker *pWalker, Expr *pExpr){
  if( pExpr->op!=TK_AND ){
    Select *pS = pWalker->u.pSelect;
    if( sqlite3ExprIsConstantOrGroupBy(pWalker->pParse, pExpr, pS->pGroupBy) ){
      sqlite3 *db = pWalker->pParse->db;
      Expr *pNew = sqlite3Expr(db, TK_INTEGER, "1");
      if( pNew ){
        Expr *pWhere = pS->pWhere;
        SWAP(Expr, *pNew, *pExpr);
        pNew = sqlite3ExprAnd(pWalker->pParse, pWhere, pNew);
        pS->pWhere = pNew;
        pWalker->eCode = 1;
      }
................................................................................
        pItem->u.x.iAlias = 0;
      }
      for(k=pGroupBy->nExpr, pItem=pGroupBy->a; k>0; k--, pItem++){
        pItem->u.x.iAlias = 0;
      }
      assert( 66==sqlite3LogEst(100) );
      if( p->nSelectRow>66 ) p->nSelectRow = 66;

      /* If there is both a GROUP BY and an ORDER BY clause and they are
      ** identical, then it may be possible to disable the ORDER BY clause 
      ** on the grounds that the GROUP BY will cause elements to come out 
      ** in the correct order. It also may not - the GROUP BY might use a
      ** database index that causes rows to be grouped together as required
      ** but not actually sorted. Either way, record the fact that the
      ** ORDER BY and GROUP BY clauses are the same by setting the orderByGrp
      ** variable.  */
      if( sSort.pOrderBy && pGroupBy->nExpr==sSort.pOrderBy->nExpr ){
        int ii;
        /* The GROUP BY processing doesn't care whether rows are delivered in
        ** ASC or DESC order - only that each group is returned contiguously.
        ** So set the ASC/DESC flags in the GROUP BY to match those in the 
        ** ORDER BY to maximize the chances of rows being delivered in an 
        ** order that makes the ORDER BY redundant.  */
        for(ii=0; ii<pGroupBy->nExpr; ii++){
          u8 sortFlags = sSort.pOrderBy->a[ii].sortFlags & KEYINFO_ORDER_DESC;
          pGroupBy->a[ii].sortFlags = sortFlags;
        }
        if( sqlite3ExprListCompare(pGroupBy, sSort.pOrderBy, -1)==0 ){
          orderByGrp = 1;
        }
      }
    }else{
      assert( 0==sqlite3LogEst(1) );
      p->nSelectRow = 0;
    }













    /* Create a label to jump to when we want to abort the query */
    addrEnd = sqlite3VdbeMakeLabel(pParse);

    /* Convert TK_COLUMN nodes into TK_AGG_COLUMN and make entries in
    ** sAggInfo for all TK_AGG_FUNCTION nodes in expressions of the
    ** SELECT statement.
    */
................................................................................
        sqlite3VdbeAddOp1(v, OP_Close, iCsr);
        explainSimpleCount(pParse, pTab, pBest);
      }else
#endif /* SQLITE_OMIT_BTREECOUNT */
      {
        int regAcc = 0;           /* "populate accumulators" flag */

        /* If there are accumulator registers but no min() or max() functions
        ** without FILTER clauses, allocate register regAcc. Register regAcc
        ** will contain 0 the first time the inner loop runs, and 1 thereafter.
        ** The code generated by updateAccumulator() uses this to ensure
        ** that the accumulator registers are (a) updated only once if
        ** there are no min() or max functions or (b) always updated for the
        ** first row visited by the aggregate, so that they are updated at
        ** least once even if the FILTER clause means the min() or max() 
        ** function visits zero rows.  */
        if( sAggInfo.nAccumulator ){
          for(i=0; i<sAggInfo.nFunc; i++){
            if( ExprHasProperty(sAggInfo.aFunc[i].pExpr, EP_WinFunc) ) continue;
            if( sAggInfo.aFunc[i].pFunc->funcFlags&SQLITE_FUNC_NEEDCOLL ) break;
          }
          if( i==sAggInfo.nFunc ){
            regAcc = ++pParse->nMem;
            sqlite3VdbeAddOp2(v, OP_Integer, 0, regAcc);
          }
        }

Changes to src/shell.c.in.

8144
8145
8146
8147
8148
8149
8150
8151
8152
8153
8154
8155
8156
8157
8158
8159
8160
8161
8162
8163
    open_db(p,0);
    if( nArg<=1 ) goto parameter_syntax_error;

    /* .parameter clear
    ** Clear all bind parameters by dropping the TEMP table that holds them.
    */
    if( nArg==2 && strcmp(azArg[1],"clear")==0 ){
      int wrSchema = 0;
      sqlite3_db_config(p->db, SQLITE_DBCONFIG_WRITABLE_SCHEMA, -1, &wrSchema);
      sqlite3_db_config(p->db, SQLITE_DBCONFIG_WRITABLE_SCHEMA, 1, 0);
      sqlite3_exec(p->db, "DROP TABLE IF EXISTS temp.sqlite_parameters;",
                   0, 0, 0);
      sqlite3_db_config(p->db, SQLITE_DBCONFIG_WRITABLE_SCHEMA, wrSchema, 0);
    }else

    /* .parameter list
    ** List all bind parameters.
    */
    if( nArg==2 && strcmp(azArg[1],"list")==0 ){
      sqlite3_stmt *pStmt = 0;







<
<
<


<







8144
8145
8146
8147
8148
8149
8150



8151
8152

8153
8154
8155
8156
8157
8158
8159
    open_db(p,0);
    if( nArg<=1 ) goto parameter_syntax_error;

    /* .parameter clear
    ** Clear all bind parameters by dropping the TEMP table that holds them.
    */
    if( nArg==2 && strcmp(azArg[1],"clear")==0 ){



      sqlite3_exec(p->db, "DROP TABLE IF EXISTS temp.sqlite_parameters;",
                   0, 0, 0);

    }else

    /* .parameter list
    ** List all bind parameters.
    */
    if( nArg==2 && strcmp(azArg[1],"list")==0 ){
      sqlite3_stmt *pStmt = 0;

Changes to src/sqlite.h.in.

4856
4857
4858
4859
4860
4861
4862

4863
4864
4865


4866
4867
4868
4869
4870
4871
4872
....
4982
4983
4984
4985
4986
4987
4988
4989





4990
4991
4992
4993
4994
4995
4996
** ^The fourth parameter may optionally be ORed with [SQLITE_DETERMINISTIC]
** to signal that the function will always return the same result given
** the same inputs within a single SQL statement.  Most SQL functions are
** deterministic.  The built-in [random()] SQL function is an example of a
** function that is not deterministic.  The SQLite query planner is able to
** perform additional optimizations on deterministic functions, so use
** of the [SQLITE_DETERMINISTIC] flag is recommended where possible.

** ^The fourth parameter may also optionally include the [SQLITE_DIRECTONLY]
** flag, which if present prevents the function from being invoked from
** within VIEWs or TRIGGERs.


**
** ^(The fifth parameter is an arbitrary pointer.  The implementation of the
** function can gain access to this pointer using [sqlite3_user_data()].)^
**
** ^The sixth, seventh and eighth parameters passed to the three
** "sqlite3_create_function*" functions, xFunc, xStep and xFinal, are
** pointers to C-language functions that implement the SQL function or
................................................................................
** [sqlite3_create_function_v2()].
**
** The SQLITE_DETERMINISTIC flag means that the new function will always
** maps the same inputs into the same output.  The abs() function is
** deterministic, for example, but randomblob() is not.
**
** The SQLITE_DIRECTONLY flag means that the function may only be invoked
** from top-level SQL, and cannot be used in VIEWs or TRIGGERs.





**
** The SQLITE_SUBTYPE flag indicates to SQLite that a function may call
** [sqlite3_value_subtype()] to inspect the sub-types of its arguments.
** Specifying this flag makes no difference for scalar or aggregate user
** functions. However, if it is not specified for a user-defined window
** function, then any sub-types belonging to arguments passed to the window
** function may be discarded before the window function is called (i.e.







>


|
>
>







 







|
>
>
>
>
>







4856
4857
4858
4859
4860
4861
4862
4863
4864
4865
4866
4867
4868
4869
4870
4871
4872
4873
4874
4875
....
4985
4986
4987
4988
4989
4990
4991
4992
4993
4994
4995
4996
4997
4998
4999
5000
5001
5002
5003
5004
** ^The fourth parameter may optionally be ORed with [SQLITE_DETERMINISTIC]
** to signal that the function will always return the same result given
** the same inputs within a single SQL statement.  Most SQL functions are
** deterministic.  The built-in [random()] SQL function is an example of a
** function that is not deterministic.  The SQLite query planner is able to
** perform additional optimizations on deterministic functions, so use
** of the [SQLITE_DETERMINISTIC] flag is recommended where possible.
**
** ^The fourth parameter may also optionally include the [SQLITE_DIRECTONLY]
** flag, which if present prevents the function from being invoked from
** within VIEWs or TRIGGERs.  For security reasons, the [SQLITE_DIRECTONLY]
** flag is recommended for any application-defined SQL function that has
** side-effects.
**
** ^(The fifth parameter is an arbitrary pointer.  The implementation of the
** function can gain access to this pointer using [sqlite3_user_data()].)^
**
** ^The sixth, seventh and eighth parameters passed to the three
** "sqlite3_create_function*" functions, xFunc, xStep and xFinal, are
** pointers to C-language functions that implement the SQL function or
................................................................................
** [sqlite3_create_function_v2()].
**
** The SQLITE_DETERMINISTIC flag means that the new function will always
** maps the same inputs into the same output.  The abs() function is
** deterministic, for example, but randomblob() is not.
**
** The SQLITE_DIRECTONLY flag means that the function may only be invoked
** from top-level SQL, and cannot be used in VIEWs or TRIGGERs.  This is
** a security feature which is recommended for all 
** [application-defined SQL functions] that have side-effects.  This flag 
** prevents an attacker from adding triggers and views to a schema then 
** tricking a high-privilege application into causing unintended side-effects
** while performing ordinary queries.
**
** The SQLITE_SUBTYPE flag indicates to SQLite that a function may call
** [sqlite3_value_subtype()] to inspect the sub-types of its arguments.
** Specifying this flag makes no difference for scalar or aggregate user
** functions. However, if it is not specified for a user-defined window
** function, then any sub-types belonging to arguments passed to the window
** function may be discarded before the window function is called (i.e.

Changes to src/sqliteInt.h.

2150
2151
2152
2153
2154
2155
2156



2157
2158
2159
2160
2161
2162
2163
2164
2165
....
2481
2482
2483
2484
2485
2486
2487

2488
2489
2490
2491
2492
2493
2494
....
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
  u16 nKeyField;      /* Number of key columns in the index */
  u16 nAllField;      /* Total columns, including key plus others */
  sqlite3 *db;        /* The database connection */
  u8 *aSortFlags;     /* Sort order for each column. */
  CollSeq *aColl[1];  /* Collating sequence for each term of the key */
};




#define KEYINFO_ORDER_DESC    0x01
#define KEYINFO_ORDER_BIGNULL 0x02

/*
** This object holds a record which has been parsed out into individual
** fields, for the purposes of doing a comparison.
**
** A record is an object that contains one or more fields of data.
** Records are used to store the content of a table row and to store
................................................................................
#if SQLITE_MAX_EXPR_DEPTH>0
  int nHeight;           /* Height of the tree headed by this node */
#endif
  int iTable;            /* TK_COLUMN: cursor number of table holding column
                         ** TK_REGISTER: register number
                         ** TK_TRIGGER: 1 -> new, 0 -> old
                         ** EP_Unlikely:  134217728 times likelihood

                         ** TK_SELECT_COLUMN: Number of columns on the LHS
                         ** TK_SELECT: 1st register of result vector */
  ynVar iColumn;         /* TK_COLUMN: column index.  -1 for rowid.
                         ** TK_VARIABLE: variable number (always >= 1).
                         ** TK_SELECT_COLUMN: column of the result vector */
  i16 iAgg;              /* Which entry in pAggInfo->aCol[] or ->aFunc[] */
  i16 iRightJoinTable;   /* If EP_FromJoin, the right table of the join */
................................................................................
int sqlite3ValueFromExpr(sqlite3 *, Expr *, u8, u8, sqlite3_value **);
void sqlite3ValueApplyAffinity(sqlite3_value *, u8, u8);
#ifndef SQLITE_AMALGAMATION
extern const unsigned char sqlite3OpcodeProperty[];
extern const char sqlite3StrBINARY[];
extern const unsigned char sqlite3UpperToLower[];
extern const unsigned char sqlite3CtypeMap[];
extern const Token sqlite3IntTokens[];
extern SQLITE_WSD struct Sqlite3Config sqlite3Config;
extern FuncDefHash sqlite3BuiltinFunctions;
#ifndef SQLITE_OMIT_WSD
extern int sqlite3PendingByte;
#endif
#endif
#ifdef VDBE_PROFILE







>
>
>
|
|







 







>







 







<







2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
....
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
....
4331
4332
4333
4334
4335
4336
4337

4338
4339
4340
4341
4342
4343
4344
  u16 nKeyField;      /* Number of key columns in the index */
  u16 nAllField;      /* Total columns, including key plus others */
  sqlite3 *db;        /* The database connection */
  u8 *aSortFlags;     /* Sort order for each column. */
  CollSeq *aColl[1];  /* Collating sequence for each term of the key */
};

/*
** Allowed bit values for entries in the KeyInfo.aSortFlags[] array.
*/
#define KEYINFO_ORDER_DESC    0x01    /* DESC sort order */
#define KEYINFO_ORDER_BIGNULL 0x02    /* NULL is larger than any other value */

/*
** This object holds a record which has been parsed out into individual
** fields, for the purposes of doing a comparison.
**
** A record is an object that contains one or more fields of data.
** Records are used to store the content of a table row and to store
................................................................................
#if SQLITE_MAX_EXPR_DEPTH>0
  int nHeight;           /* Height of the tree headed by this node */
#endif
  int iTable;            /* TK_COLUMN: cursor number of table holding column
                         ** TK_REGISTER: register number
                         ** TK_TRIGGER: 1 -> new, 0 -> old
                         ** EP_Unlikely:  134217728 times likelihood
                         ** TK_IN: ephemerial table holding RHS
                         ** TK_SELECT_COLUMN: Number of columns on the LHS
                         ** TK_SELECT: 1st register of result vector */
  ynVar iColumn;         /* TK_COLUMN: column index.  -1 for rowid.
                         ** TK_VARIABLE: variable number (always >= 1).
                         ** TK_SELECT_COLUMN: column of the result vector */
  i16 iAgg;              /* Which entry in pAggInfo->aCol[] or ->aFunc[] */
  i16 iRightJoinTable;   /* If EP_FromJoin, the right table of the join */
................................................................................
int sqlite3ValueFromExpr(sqlite3 *, Expr *, u8, u8, sqlite3_value **);
void sqlite3ValueApplyAffinity(sqlite3_value *, u8, u8);
#ifndef SQLITE_AMALGAMATION
extern const unsigned char sqlite3OpcodeProperty[];
extern const char sqlite3StrBINARY[];
extern const unsigned char sqlite3UpperToLower[];
extern const unsigned char sqlite3CtypeMap[];

extern SQLITE_WSD struct Sqlite3Config sqlite3Config;
extern FuncDefHash sqlite3BuiltinFunctions;
#ifndef SQLITE_OMIT_WSD
extern int sqlite3PendingByte;
#endif
#endif
#ifdef VDBE_PROFILE

Changes to src/test_hexio.c.

333
334
335
336
337
338
339











340
341
342
343
344
345
346
...
363
364
365
366
367
368
369





























































370
371
372
373
374
375
376
...
379
380
381
382
383
384
385

386
387
388
389
390
391
392
    y <<= 7;
  }
  x += y * (*q++);
  *v = (sqlite_int64) x;
  return (int) (q - (unsigned char *)p);
}













/*
** USAGE:  read_fts3varint BLOB VARNAME
**
** Read a varint from the start of BLOB. Set variable VARNAME to contain
** the interpreted value. Return the number of bytes of BLOB consumed.
*/
................................................................................

  nVal = getFts3Varint((char*)zBlob, (sqlite3_int64 *)(&iVal));
  Tcl_ObjSetVar2(interp, objv[2], 0, Tcl_NewWideIntObj(iVal), 0);
  Tcl_SetObjResult(interp, Tcl_NewIntObj(nVal));
  return TCL_OK;
}































































/*
** Register commands with the TCL interpreter.
*/
int Sqlitetest_hexio_Init(Tcl_Interp *interp){
  static struct {
     char *zName;
................................................................................
     { "hexio_read",                   hexio_read            },
     { "hexio_write",                  hexio_write           },
     { "hexio_get_int",                hexio_get_int         },
     { "hexio_render_int16",           hexio_render_int16    },
     { "hexio_render_int32",           hexio_render_int32    },
     { "utf8_to_utf8",                 utf8_to_utf8          },
     { "read_fts3varint",              read_fts3varint       },

  };
  int i;
  for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
    Tcl_CreateObjCommand(interp, aObjCmd[i].zName, aObjCmd[i].xProc, 0, 0);
  }
  return TCL_OK;
}







>
>
>
>
>
>
>
>
>
>
>







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







>







333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
...
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
...
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
    y <<= 7;
  }
  x += y * (*q++);
  *v = (sqlite_int64) x;
  return (int) (q - (unsigned char *)p);
}

static int putFts3Varint(char *p, sqlite_int64 v){
  unsigned char *q = (unsigned char *) p;
  sqlite_uint64 vu = v;
  do{
    *q++ = (unsigned char) ((vu & 0x7f) | 0x80);
    vu >>= 7;
  }while( vu!=0 );
  q[-1] &= 0x7f;  /* turn off high bit in final byte */
  assert( q - (unsigned char *)p <= 10 );
  return (int) (q - (unsigned char *)p);
}

/*
** USAGE:  read_fts3varint BLOB VARNAME
**
** Read a varint from the start of BLOB. Set variable VARNAME to contain
** the interpreted value. Return the number of bytes of BLOB consumed.
*/
................................................................................

  nVal = getFts3Varint((char*)zBlob, (sqlite3_int64 *)(&iVal));
  Tcl_ObjSetVar2(interp, objv[2], 0, Tcl_NewWideIntObj(iVal), 0);
  Tcl_SetObjResult(interp, Tcl_NewIntObj(nVal));
  return TCL_OK;
}

/*
** USAGE:  make_fts3record ARGLIST
*/
static int SQLITE_TCLAPI make_fts3record(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  Tcl_Obj **aArg = 0;
  int nArg = 0;
  unsigned char *aOut = 0;
  int nOut = 0;
  int nAlloc = 0;
  int i;

  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "LIST");
    return TCL_ERROR;
  }
  if( Tcl_ListObjGetElements(interp, objv[1], &nArg, &aArg) ){
    return TCL_ERROR;
  }

  for(i=0; i<nArg; i++){
    sqlite3_int64 iVal;
    if( TCL_OK==Tcl_GetWideIntFromObj(0, aArg[i], &iVal) ){
      if( nOut+10>nAlloc ){
        int nNew = nAlloc?nAlloc*2:128;
        unsigned char *aNew = sqlite3_realloc(aOut, nNew);
        if( aNew==0 ){
          sqlite3_free(aOut);
          return TCL_ERROR;
        }
        aOut = aNew;
        nAlloc = nNew;
      }
      nOut += putFts3Varint((char*)&aOut[nOut], iVal);
    }else{
      int nVal = 0;
      char *zVal = Tcl_GetStringFromObj(aArg[i], &nVal);
      while( (nOut + nVal)>nAlloc ){
        int nNew = nAlloc?nAlloc*2:128;
        unsigned char *aNew = sqlite3_realloc(aOut, nNew);
        if( aNew==0 ){
          sqlite3_free(aOut);
          return TCL_ERROR;
        }
        aOut = aNew;
        nAlloc = nNew;
      }
      memcpy(&aOut[nOut], zVal, nVal);
      nOut += nVal;
    }
  }

  Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(aOut, nOut));
  sqlite3_free(aOut);
  return TCL_OK;
}


/*
** Register commands with the TCL interpreter.
*/
int Sqlitetest_hexio_Init(Tcl_Interp *interp){
  static struct {
     char *zName;
................................................................................
     { "hexio_read",                   hexio_read            },
     { "hexio_write",                  hexio_write           },
     { "hexio_get_int",                hexio_get_int         },
     { "hexio_render_int16",           hexio_render_int16    },
     { "hexio_render_int32",           hexio_render_int32    },
     { "utf8_to_utf8",                 utf8_to_utf8          },
     { "read_fts3varint",              read_fts3varint       },
     { "make_fts3record",              make_fts3record       },
  };
  int i;
  for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
    Tcl_CreateObjCommand(interp, aObjCmd[i].zName, aObjCmd[i].xProc, 0, 0);
  }
  return TCL_OK;
}

Changes to src/treeview.c.

533
534
535
536
537
538
539
540

541
542
543
544
545
546
547
548
549
      sqlite3TreeViewLine(pView, "SPAN %Q", pExpr->u.zToken);
      sqlite3TreeViewExpr(pView, pExpr->pLeft, 0);
      break;
    }

    case TK_COLLATE: {
      /* COLLATE operators without the EP_Collate flag are intended to
      ** emulate collation associated with a table column.  Explicit

      ** COLLATE operators that appear in the original SQL always have
      ** the EP_Collate bit set */
      sqlite3TreeViewLine(pView, "%sCOLLATE %Q%s",
        !ExprHasProperty(pExpr, EP_Collate) ? "SOFT-" : "",
        pExpr->u.zToken, zFlgs);
      sqlite3TreeViewExpr(pView, pExpr->pLeft, 0);
      break;
    }








|
>
|
|







533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
      sqlite3TreeViewLine(pView, "SPAN %Q", pExpr->u.zToken);
      sqlite3TreeViewExpr(pView, pExpr->pLeft, 0);
      break;
    }

    case TK_COLLATE: {
      /* COLLATE operators without the EP_Collate flag are intended to
      ** emulate collation associated with a table column.  These show
      ** up in the treeview output as "SOFT-COLLATE".  Explicit COLLATE
      ** operators that appear in the original SQL always have the
      ** EP_Collate bit set and appear in treeview output as just "COLLATE" */
      sqlite3TreeViewLine(pView, "%sCOLLATE %Q%s",
        !ExprHasProperty(pExpr, EP_Collate) ? "SOFT-" : "",
        pExpr->u.zToken, zFlgs);
      sqlite3TreeViewExpr(pView, pExpr->pLeft, 0);
      break;
    }

Changes to src/vdbe.c.

479
480
481
482
483
484
485

486
487
488
489
490
491
492
....
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
....
1162
1163
1164
1165
1166
1167
1168

1169
1170
1171
1172
1173
1174
1175
    }else if( f & MEM_Ephem ){
      c = 'e';
      assert( (f & (MEM_Static|MEM_Dyn))==0 );
    }else{
      c = 's';
    }
    *(zCsr++) = c;

    sqlite3_snprintf(100, zCsr, "%d[", pMem->n);
    zCsr += sqlite3Strlen30(zCsr);
    for(i=0; i<25 && i<pMem->n; i++){
      sqlite3_snprintf(100, zCsr, "%02X", ((int)pMem->z[i] & 0xFF));
      zCsr += sqlite3Strlen30(zCsr);
    }
    *zCsr++ = '|';
................................................................................
** into a String opcode before it is executed for the first time.  During
** this transformation, the length of string P4 is computed and stored
** as the P1 parameter.
*/
case OP_String8: {         /* same as TK_STRING, out2 */
  assert( pOp->p4.z!=0 );
  pOut = out2Prerelease(p, pOp);
  pOp->opcode = OP_String;
  pOp->p1 = sqlite3Strlen30(pOp->p4.z);

#ifndef SQLITE_OMIT_UTF16
  if( encoding!=SQLITE_UTF8 ){
    rc = sqlite3VdbeMemSetStr(pOut, pOp->p4.z, -1, SQLITE_UTF8, SQLITE_STATIC);
    assert( rc==SQLITE_OK || rc==SQLITE_TOOBIG );
    if( rc ) goto too_big;
................................................................................
    pOp->p4.z = pOut->z;
    pOp->p1 = pOut->n;
  }
#endif
  if( pOp->p1>db->aLimit[SQLITE_LIMIT_LENGTH] ){
    goto too_big;
  }

  assert( rc==SQLITE_OK );
  /* Fall through to the next case, OP_String */
}
  
/* Opcode: String P1 P2 P3 P4 P5
** Synopsis: r[P2]='P4' (len=P1)
**







>







 







<







 







>







479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
....
1139
1140
1141
1142
1143
1144
1145

1146
1147
1148
1149
1150
1151
1152
....
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
    }else if( f & MEM_Ephem ){
      c = 'e';
      assert( (f & (MEM_Static|MEM_Dyn))==0 );
    }else{
      c = 's';
    }
    *(zCsr++) = c;
    *(zCsr++) = 'x';
    sqlite3_snprintf(100, zCsr, "%d[", pMem->n);
    zCsr += sqlite3Strlen30(zCsr);
    for(i=0; i<25 && i<pMem->n; i++){
      sqlite3_snprintf(100, zCsr, "%02X", ((int)pMem->z[i] & 0xFF));
      zCsr += sqlite3Strlen30(zCsr);
    }
    *zCsr++ = '|';
................................................................................
** into a String opcode before it is executed for the first time.  During
** this transformation, the length of string P4 is computed and stored
** as the P1 parameter.
*/
case OP_String8: {         /* same as TK_STRING, out2 */
  assert( pOp->p4.z!=0 );
  pOut = out2Prerelease(p, pOp);

  pOp->p1 = sqlite3Strlen30(pOp->p4.z);

#ifndef SQLITE_OMIT_UTF16
  if( encoding!=SQLITE_UTF8 ){
    rc = sqlite3VdbeMemSetStr(pOut, pOp->p4.z, -1, SQLITE_UTF8, SQLITE_STATIC);
    assert( rc==SQLITE_OK || rc==SQLITE_TOOBIG );
    if( rc ) goto too_big;
................................................................................
    pOp->p4.z = pOut->z;
    pOp->p1 = pOut->n;
  }
#endif
  if( pOp->p1>db->aLimit[SQLITE_LIMIT_LENGTH] ){
    goto too_big;
  }
  pOp->opcode = OP_String;
  assert( rc==SQLITE_OK );
  /* Fall through to the next case, OP_String */
}
  
/* Opcode: String P1 P2 P3 P4 P5
** Synopsis: r[P2]='P4' (len=P1)
**

Changes to src/vdbemem.c.

228
229
230
231
232
233
234

235





236
237
238
239
240
241
242
  ** contain a valid string or blob value.  */
  assert( bPreserve==0 || pMem->flags&(MEM_Blob|MEM_Str) );
  testcase( bPreserve && pMem->z==0 );

  assert( pMem->szMalloc==0
       || pMem->szMalloc==sqlite3DbMallocSize(pMem->db, pMem->zMalloc) );
  if( pMem->szMalloc>0 && bPreserve && pMem->z==pMem->zMalloc ){

    pMem->z = pMem->zMalloc = sqlite3DbReallocOrFree(pMem->db, pMem->z, n);





    bPreserve = 0;
  }else{
    if( pMem->szMalloc>0 ) sqlite3DbFreeNN(pMem->db, pMem->zMalloc);
    pMem->zMalloc = sqlite3DbMallocRaw(pMem->db, n);
  }
  if( pMem->zMalloc==0 ){
    sqlite3VdbeMemSetNull(pMem);







>
|
>
>
>
>
>







228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
  ** contain a valid string or blob value.  */
  assert( bPreserve==0 || pMem->flags&(MEM_Blob|MEM_Str) );
  testcase( bPreserve && pMem->z==0 );

  assert( pMem->szMalloc==0
       || pMem->szMalloc==sqlite3DbMallocSize(pMem->db, pMem->zMalloc) );
  if( pMem->szMalloc>0 && bPreserve && pMem->z==pMem->zMalloc ){
    if( pMem->db ){
      pMem->z = pMem->zMalloc = sqlite3DbReallocOrFree(pMem->db, pMem->z, n);
    }else{
      pMem->zMalloc = sqlite3Realloc(pMem->z, n);
      if( pMem->zMalloc==0 ) sqlite3_free(pMem->z);
      pMem->z = pMem->zMalloc;
    }
    bPreserve = 0;
  }else{
    if( pMem->szMalloc>0 ) sqlite3DbFreeNN(pMem->db, pMem->zMalloc);
    pMem->zMalloc = sqlite3DbMallocRaw(pMem->db, n);
  }
  if( pMem->zMalloc==0 ){
    sqlite3VdbeMemSetNull(pMem);

Changes to src/where.c.

2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
....
2290
2291
2292
2293
2294
2295
2296

2297
2298
2299
2300
2301
2302
2303
static void whereLoopOutputAdjust(
  WhereClause *pWC,      /* The WHERE clause */
  WhereLoop *pLoop,      /* The loop to adjust downward */
  LogEst nRow            /* Number of rows in the entire table */
){
  WhereTerm *pTerm, *pX;
  Bitmask notAllowed = ~(pLoop->prereq|pLoop->maskSelf);
  int i, j, k;
  LogEst iReduce = 0;    /* pLoop->nOut should not exceed nRow-iReduce */

  assert( (pLoop->wsFlags & WHERE_AUTO_INDEX)==0 );
  for(i=pWC->nTerm, pTerm=pWC->a; i>0; i--, pTerm++){
    assert( pTerm!=0 );
    if( (pTerm->wtFlags & TERM_VIRTUAL)!=0 ) break;
    if( (pTerm->prereqAll & pLoop->maskSelf)==0 ) continue;
................................................................................
        pLoop->nOut += pTerm->truthProb;
      }else{
        /* In the absence of explicit truth probabilities, use heuristics to
        ** guess a reasonable truth probability. */
        pLoop->nOut--;
        if( pTerm->eOperator&(WO_EQ|WO_IS) ){
          Expr *pRight = pTerm->pExpr->pRight;

          testcase( pTerm->pExpr->op==TK_IS );
          if( sqlite3ExprIsInteger(pRight, &k) && k>=(-1) && k<=1 ){
            k = 10;
          }else{
            k = 20;
          }
          if( iReduce<k ) iReduce = k;







|







 







>







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static void whereLoopOutputAdjust(
  WhereClause *pWC,      /* The WHERE clause */
  WhereLoop *pLoop,      /* The loop to adjust downward */
  LogEst nRow            /* Number of rows in the entire table */
){
  WhereTerm *pTerm, *pX;
  Bitmask notAllowed = ~(pLoop->prereq|pLoop->maskSelf);
  int i, j;
  LogEst iReduce = 0;    /* pLoop->nOut should not exceed nRow-iReduce */

  assert( (pLoop->wsFlags & WHERE_AUTO_INDEX)==0 );
  for(i=pWC->nTerm, pTerm=pWC->a; i>0; i--, pTerm++){
    assert( pTerm!=0 );
    if( (pTerm->wtFlags & TERM_VIRTUAL)!=0 ) break;
    if( (pTerm->prereqAll & pLoop->maskSelf)==0 ) continue;
................................................................................
        pLoop->nOut += pTerm->truthProb;
      }else{
        /* In the absence of explicit truth probabilities, use heuristics to
        ** guess a reasonable truth probability. */
        pLoop->nOut--;
        if( pTerm->eOperator&(WO_EQ|WO_IS) ){
          Expr *pRight = pTerm->pExpr->pRight;
          int k = 0;
          testcase( pTerm->pExpr->op==TK_IS );
          if( sqlite3ExprIsInteger(pRight, &k) && k>=(-1) && k<=1 ){
            k = 10;
          }else{
            k = 20;
          }
          if( iReduce<k ) iReduce = k;

Changes to src/whereexpr.c.

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296
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        **
        ** Getting this right has been a persistent source of bugs in the
        ** LIKE optimization.  See, for example:
        **    2018-09-10 https://sqlite.org/src/info/c94369cae9b561b1
        **    2019-05-02 https://sqlite.org/src/info/b043a54c3de54b28
        **    2019-06-10 https://sqlite.org/src/info/fd76310a5e843e07
        **    2019-06-14 https://sqlite.org/src/info/ce8717f0885af975

        */
        if( pLeft->op!=TK_COLUMN 
         || sqlite3ExprAffinity(pLeft)!=SQLITE_AFF_TEXT 
         || IsVirtual(pLeft->y.pTab)  /* Value might be numeric */
        ){
          int isNum;
          double rDummy;
          isNum = sqlite3AtoF(zNew, &rDummy, iTo, SQLITE_UTF8);
          if( isNum<=0 ){



            zNew[iTo-1]++;
            isNum = sqlite3AtoF(zNew, &rDummy, iTo, SQLITE_UTF8);
            zNew[iTo-1]--;

          }
          if( isNum>0 ){
            sqlite3ExprDelete(db, pPrefix);
            sqlite3ValueFree(pVal);
            return 0;
          }
        }







>









>
>
>
|
|
|
>







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        **
        ** Getting this right has been a persistent source of bugs in the
        ** LIKE optimization.  See, for example:
        **    2018-09-10 https://sqlite.org/src/info/c94369cae9b561b1
        **    2019-05-02 https://sqlite.org/src/info/b043a54c3de54b28
        **    2019-06-10 https://sqlite.org/src/info/fd76310a5e843e07
        **    2019-06-14 https://sqlite.org/src/info/ce8717f0885af975
        **    2019-09-03 https://sqlite.org/src/info/0f0428096f17252a
        */
        if( pLeft->op!=TK_COLUMN 
         || sqlite3ExprAffinity(pLeft)!=SQLITE_AFF_TEXT 
         || IsVirtual(pLeft->y.pTab)  /* Value might be numeric */
        ){
          int isNum;
          double rDummy;
          isNum = sqlite3AtoF(zNew, &rDummy, iTo, SQLITE_UTF8);
          if( isNum<=0 ){
            if( iTo==1 && zNew[0]=='-' ){
              isNum = +1;
            }else{
              zNew[iTo-1]++;
              isNum = sqlite3AtoF(zNew, &rDummy, iTo, SQLITE_UTF8);
              zNew[iTo-1]--;
            }
          }
          if( isNum>0 ){
            sqlite3ExprDelete(db, pPrefix);
            sqlite3ValueFree(pVal);
            return 0;
          }
        }

Changes to src/window.c.

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    ** function accepts zero arguments, and there are no other columns
    ** selected (e.g. "SELECT row_number() OVER () FROM t1"), it is possible
    ** that pSublist is still NULL here. Add a constant expression here to 
    ** keep everything legal in this case. 
    */
    if( pSublist==0 ){
      pSublist = sqlite3ExprListAppend(pParse, 0, 
          sqlite3ExprAlloc(db, TK_INTEGER, &sqlite3IntTokens[0], 0)
      );
    }

    pSub = sqlite3SelectNew(
        pParse, pSublist, pSrc, pWhere, pGroupBy, pHaving, pSort, 0, 0
    );
    p->pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0);
................................................................................
** with the object passed as the only argument to this function.
*/
static int windowArgCount(Window *pWin){
  ExprList *pList = pWin->pOwner->x.pList;
  return (pList ? pList->nExpr : 0);
}

/*
** Generate VM code to invoke either xStep() (if bInverse is 0) or 
** xInverse (if bInverse is non-zero) for each window function in the 
** linked list starting at pMWin. Or, for built-in window functions
** that do not use the standard function API, generate the required
** inline VM code.
**
** If argument csr is greater than or equal to 0, then argument reg is
** the first register in an array of registers guaranteed to be large
** enough to hold the array of arguments for each function. In this case
** the arguments are extracted from the current row of csr into the
** array of registers before invoking OP_AggStep or OP_AggInverse
**
** Or, if csr is less than zero, then the array of registers at reg is
** already populated with all columns from the current row of the sub-query.
**
** If argument regPartSize is non-zero, then it is a register containing the
** number of rows in the current partition.
*/
static void windowAggStep(
  Parse *pParse, 
  Window *pMWin,                  /* Linked list of window functions */
  int csr,                        /* Read arguments from this cursor */
  int bInverse,                   /* True to invoke xInverse instead of xStep */
  int reg                         /* Array of registers */
){
  Vdbe *v = sqlite3GetVdbe(pParse);
  Window *pWin;
  for(pWin=pMWin; pWin; pWin=pWin->pNextWin){
    FuncDef *pFunc = pWin->pFunc;
    int regArg;
    int nArg = pWin->bExprArgs ? 0 : windowArgCount(pWin);
    int i;

    assert( bInverse==0 || pWin->eStart!=TK_UNBOUNDED );

    for(i=0; i<nArg; i++){
      if( i!=1 || pFunc->zName!=nth_valueName ){
        sqlite3VdbeAddOp3(v, OP_Column, csr, pWin->iArgCol+i, reg+i);
      }else{
        sqlite3VdbeAddOp3(v, OP_Column, pMWin->iEphCsr, pWin->iArgCol+i, reg+i);
      }
    }
    regArg = reg;

    if( pMWin->regStartRowid==0
     && (pFunc->funcFlags & SQLITE_FUNC_MINMAX) 
     && (pWin->eStart!=TK_UNBOUNDED)
    ){
      int addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, regArg);
      VdbeCoverage(v);
      if( bInverse==0 ){
        sqlite3VdbeAddOp2(v, OP_AddImm, pWin->regApp+1, 1);
        sqlite3VdbeAddOp2(v, OP_SCopy, regArg, pWin->regApp);
        sqlite3VdbeAddOp3(v, OP_MakeRecord, pWin->regApp, 2, pWin->regApp+2);
        sqlite3VdbeAddOp2(v, OP_IdxInsert, pWin->csrApp, pWin->regApp+2);
      }else{
        sqlite3VdbeAddOp4Int(v, OP_SeekGE, pWin->csrApp, 0, regArg, 1);
        VdbeCoverageNeverTaken(v);
        sqlite3VdbeAddOp1(v, OP_Delete, pWin->csrApp);
        sqlite3VdbeJumpHere(v, sqlite3VdbeCurrentAddr(v)-2);
      }
      sqlite3VdbeJumpHere(v, addrIsNull);
    }else if( pWin->regApp ){
      assert( pFunc->zName==nth_valueName
           || pFunc->zName==first_valueName
      );
      assert( bInverse==0 || bInverse==1 );
      sqlite3VdbeAddOp2(v, OP_AddImm, pWin->regApp+1-bInverse, 1);
    }else if( pFunc->xSFunc!=noopStepFunc ){
      int addrIf = 0;
      if( pWin->pFilter ){
        int regTmp;
        assert( pWin->bExprArgs || !nArg ||nArg==pWin->pOwner->x.pList->nExpr );
        assert( pWin->bExprArgs || nArg  ||pWin->pOwner->x.pList==0 );
        regTmp = sqlite3GetTempReg(pParse);
        sqlite3VdbeAddOp3(v, OP_Column, csr, pWin->iArgCol+nArg,regTmp);
        addrIf = sqlite3VdbeAddOp3(v, OP_IfNot, regTmp, 0, 1);
        VdbeCoverage(v);
        sqlite3ReleaseTempReg(pParse, regTmp);
      }
      if( pWin->bExprArgs ){
        int iStart = sqlite3VdbeCurrentAddr(v);
        VdbeOp *pOp, *pEnd;

        nArg = pWin->pOwner->x.pList->nExpr;
        regArg = sqlite3GetTempRange(pParse, nArg);
        sqlite3ExprCodeExprList(pParse, pWin->pOwner->x.pList, regArg, 0, 0);

        pEnd = sqlite3VdbeGetOp(v, -1);
        for(pOp=sqlite3VdbeGetOp(v, iStart); pOp<=pEnd; pOp++){
          if( pOp->opcode==OP_Column && pOp->p1==pWin->iEphCsr ){
            pOp->p1 = csr;
          }
        }
      }
      if( pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL ){
        CollSeq *pColl;
        assert( nArg>0 );
        pColl = sqlite3ExprNNCollSeq(pParse, pWin->pOwner->x.pList->a[0].pExpr);
        sqlite3VdbeAddOp4(v, OP_CollSeq, 0,0,0, (const char*)pColl, P4_COLLSEQ);
      }
      sqlite3VdbeAddOp3(v, bInverse? OP_AggInverse : OP_AggStep, 
                        bInverse, regArg, pWin->regAccum);
      sqlite3VdbeAppendP4(v, pFunc, P4_FUNCDEF);
      sqlite3VdbeChangeP5(v, (u8)nArg);
      if( pWin->bExprArgs ){
        sqlite3ReleaseTempRange(pParse, regArg, nArg);
      }
      if( addrIf ) sqlite3VdbeJumpHere(v, addrIf);
    }
  }
}

typedef struct WindowCodeArg WindowCodeArg;
typedef struct WindowCsrAndReg WindowCsrAndReg;

/*
** See comments above struct WindowCodeArg.
*/
struct WindowCsrAndReg {
................................................................................
  int eDelete;               /* See above */

  WindowCsrAndReg start;
  WindowCsrAndReg current;
  WindowCsrAndReg end;
};

/*
** Values that may be passed as the second argument to windowCodeOp().
*/
#define WINDOW_RETURN_ROW 1
#define WINDOW_AGGINVERSE 2
#define WINDOW_AGGSTEP    3

/*
** Generate VM code to read the window frames peer values from cursor csr into
** an array of registers starting at reg.
*/
static void windowReadPeerValues(
  WindowCodeArg *p,
  int csr,
................................................................................
    int i;
    for(i=0; i<pOrderBy->nExpr; i++){
      sqlite3VdbeAddOp3(v, OP_Column, csr, iColOff+i, reg+i);
    }
  }
}
































































































































/*
** Generate VM code to invoke either xValue() (bFin==0) or xFinalize()
** (bFin==1) for each window function in the linked list starting at
** pMWin. Or, for built-in window-functions that do not use the standard
** API, generate the equivalent VM code.
*/
static void windowAggFinal(WindowCodeArg *p, int bFin){
................................................................................

  int nPeer;
  int lblNext;
  int lblBrk;
  int addrNext;
  int csr;



  assert( pMWin!=0 );
  csr = pMWin->csrApp;
  nPeer = (pMWin->pOrderBy ? pMWin->pOrderBy->nExpr : 0);

  lblNext = sqlite3VdbeMakeLabel(pParse);
  lblBrk = sqlite3VdbeMakeLabel(pParse);

................................................................................
      VdbeCoverageEqNe(v);
    }else{
      sqlite3VdbeAddOp2(v, OP_Goto, 0, lblNext);
    }
    if( addrEq ) sqlite3VdbeJumpHere(v, addrEq);
  }

  windowAggStep(pParse, pMWin, csr, 0, p->regArg);

  sqlite3VdbeResolveLabel(v, lblNext);
  sqlite3VdbeAddOp2(v, OP_Next, csr, addrNext);
  VdbeCoverage(v);
  sqlite3VdbeJumpHere(v, addrNext-1);
  sqlite3VdbeJumpHere(v, addrNext+1);
  sqlite3ReleaseTempReg(pParse, regRowid);
................................................................................
  sqlite3ReleaseTempReg(pParse, regCRowid);
  if( nPeer ){
    sqlite3ReleaseTempRange(pParse, regPeer, nPeer);
    sqlite3ReleaseTempRange(pParse, regCPeer, nPeer);
  }

  windowAggFinal(p, 1);

}

/*
** Invoke the sub-routine at regGosub (generated by code in select.c) to
** return the current row of Window.iEphCsr. If all window functions are
** aggregate window functions that use the standard API, a single
** OP_Gosub instruction is all that this routine generates. Extra VM code
................................................................................
 int jumpOnEof                    /* Jump here if stepped cursor reaches EOF */
){
  int csr, reg;
  Parse *pParse = p->pParse;
  Window *pMWin = p->pMWin;
  int ret = 0;
  Vdbe *v = p->pVdbe;
  int addrIf = 0; 
  int addrContinue = 0;
  int addrGoto = 0;
  int bPeer = (pMWin->eFrmType!=TK_ROWS);

  int lblDone = sqlite3VdbeMakeLabel(pParse);
  int addrNextRange = 0;

  /* Special case - WINDOW_AGGINVERSE is always a no-op if the frame
  ** starts with UNBOUNDED PRECEDING. */
................................................................................
        }
      }else{
        windowCodeRangeTest(
            p, OP_Gt, p->end.csr, regCountdown, p->current.csr, lblDone
        );
      }
    }else{
      addrIf = sqlite3VdbeAddOp3(v, OP_IfPos, regCountdown, 0, 1);
      VdbeCoverage(v);
    }
  }

  if( op==WINDOW_RETURN_ROW && pMWin->regStartRowid==0 ){
    windowAggFinal(p, 0);
  }
  addrContinue = sqlite3VdbeCurrentAddr(v);



















  switch( op ){
    case WINDOW_RETURN_ROW:
      csr = p->current.csr;
      reg = p->current.reg;
      windowReturnOneRow(p);
      break;

................................................................................
    case WINDOW_AGGINVERSE:
      csr = p->start.csr;
      reg = p->start.reg;
      if( pMWin->regStartRowid ){
        assert( pMWin->regEndRowid );
        sqlite3VdbeAddOp2(v, OP_AddImm, pMWin->regStartRowid, 1);
      }else{
        windowAggStep(pParse, pMWin, csr, 1, p->regArg);
      }
      break;

    default:
      assert( op==WINDOW_AGGSTEP );
      csr = p->end.csr;
      reg = p->end.reg;
      if( pMWin->regStartRowid ){
        assert( pMWin->regEndRowid );
        sqlite3VdbeAddOp2(v, OP_AddImm, pMWin->regEndRowid, 1);
      }else{
        windowAggStep(pParse, pMWin, csr, 0, p->regArg);
      }
      break;
  }

  if( op==p->eDelete ){
    sqlite3VdbeAddOp1(v, OP_Delete, csr);
    sqlite3VdbeChangeP5(v, OPFLAG_SAVEPOSITION);
................................................................................
    sqlite3VdbeAddOp2(v, OP_Next, csr, sqlite3VdbeCurrentAddr(v)+2);
    VdbeCoverage(v);
    ret = sqlite3VdbeAddOp0(v, OP_Goto);
  }else{
    sqlite3VdbeAddOp2(v, OP_Next, csr, sqlite3VdbeCurrentAddr(v)+1+bPeer);
    VdbeCoverage(v);
    if( bPeer ){
      addrGoto = sqlite3VdbeAddOp0(v, OP_Goto);
    }
  }

  if( bPeer ){
    int nReg = (pMWin->pOrderBy ? pMWin->pOrderBy->nExpr : 0);
    int regTmp = (nReg ? sqlite3GetTempRange(pParse, nReg) : 0);
    windowReadPeerValues(p, csr, regTmp);
................................................................................
    sqlite3ReleaseTempRange(pParse, regTmp, nReg);
  }

  if( addrNextRange ){
    sqlite3VdbeAddOp2(v, OP_Goto, 0, addrNextRange);
  }
  sqlite3VdbeResolveLabel(v, lblDone);
  if( addrGoto ) sqlite3VdbeJumpHere(v, addrGoto);
  if( addrIf ) sqlite3VdbeJumpHere(v, addrIf);
  return ret;
}


/*
** Allocate and return a duplicate of the Window object indicated by the
** third argument. Set the Window.pOwner field of the new object to
................................................................................
**       }
**       Insert new row into eph table.
**       if( first row of partition ){
**         Rewind(csrEnd) ; Rewind(csrStart) ; Rewind(csrCurrent)
**         regEnd = <expr2>
**         regStart = <expr1>
**       }else{
**         if( (csrEnd.key + regEnd) <= csrCurrent.key ){
**           AGGSTEP
**         }
**         while( (csrStart.key + regStart) < csrCurrent.key ){
**           AGGINVERSE
**         }
**         RETURN_ROW
**       }
................................................................................
  int csrInput = p->pSrc->a[0].iCursor;     /* Cursor of sub-select */
  int nInput = p->pSrc->a[0].pTab->nCol;    /* Number of cols returned by sub */
  int iInput;                               /* To iterate through sub cols */
  int addrNe;                     /* Address of OP_Ne */
  int addrGosubFlush = 0;         /* Address of OP_Gosub to flush: */
  int addrInteger = 0;            /* Address of OP_Integer */
  int addrEmpty;                  /* Address of OP_Rewind in flush: */
  int regStart = 0;               /* Value of <expr> PRECEDING */
  int regEnd = 0;                 /* Value of <expr> FOLLOWING */
  int regNew;                     /* Array of registers holding new input row */
  int regRecord;                  /* regNew array in record form */
  int regRowid;                   /* Rowid for regRecord in eph table */
  int regNewPeer = 0;             /* Peer values for new row (part of regNew) */
  int regPeer = 0;                /* Peer values for current row */
  int regFlushPart = 0;           /* Register for "Gosub flush_partition" */
  WindowCodeArg s;                /* Context object for sub-routines */
  int lblWhereEnd;                /* Label just before sqlite3WhereEnd() code */



  assert( pMWin->eStart==TK_PRECEDING || pMWin->eStart==TK_CURRENT 
       || pMWin->eStart==TK_FOLLOWING || pMWin->eStart==TK_UNBOUNDED 
  );
  assert( pMWin->eEnd==TK_FOLLOWING || pMWin->eEnd==TK_CURRENT 
       || pMWin->eEnd==TK_UNBOUNDED || pMWin->eEnd==TK_PRECEDING 
  );
................................................................................
  VdbeCoverageNeverNull(v);

  /* This block is run for the first row of each partition */
  s.regArg = windowInitAccum(pParse, pMWin);

  if( regStart ){
    sqlite3ExprCode(pParse, pMWin->pStart, regStart);
    windowCheckValue(pParse, regStart, 0 + (pMWin->eFrmType==TK_RANGE ? 3 : 0));
  }
  if( regEnd ){
    sqlite3ExprCode(pParse, pMWin->pEnd, regEnd);
    windowCheckValue(pParse, regEnd, 1 + (pMWin->eFrmType==TK_RANGE ? 3 : 0));
  }

  if( pMWin->eFrmType!=TK_RANGE && pMWin->eStart==pMWin->eEnd && regStart ){
    int op = ((pMWin->eStart==TK_FOLLOWING) ? OP_Ge : OP_Le);
    int addrGe = sqlite3VdbeAddOp3(v, op, regStart, 0, regEnd);
    VdbeCoverageNeverNullIf(v, op==OP_Ge); /* NeverNull because bound <expr> */
    VdbeCoverageNeverNullIf(v, op==OP_Le); /*   values previously checked */







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    ** function accepts zero arguments, and there are no other columns
    ** selected (e.g. "SELECT row_number() OVER () FROM t1"), it is possible
    ** that pSublist is still NULL here. Add a constant expression here to 
    ** keep everything legal in this case. 
    */
    if( pSublist==0 ){
      pSublist = sqlite3ExprListAppend(pParse, 0, 
        sqlite3Expr(db, TK_INTEGER, "0")
      );
    }

    pSub = sqlite3SelectNew(
        pParse, pSublist, pSrc, pWhere, pGroupBy, pHaving, pSort, 0, 0
    );
    p->pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0);
................................................................................
** with the object passed as the only argument to this function.
*/
static int windowArgCount(Window *pWin){
  ExprList *pList = pWin->pOwner->x.pList;
  return (pList ? pList->nExpr : 0);
}



















































































































typedef struct WindowCodeArg WindowCodeArg;
typedef struct WindowCsrAndReg WindowCsrAndReg;

/*
** See comments above struct WindowCodeArg.
*/
struct WindowCsrAndReg {
................................................................................
  int eDelete;               /* See above */

  WindowCsrAndReg start;
  WindowCsrAndReg current;
  WindowCsrAndReg end;
};








/*
** Generate VM code to read the window frames peer values from cursor csr into
** an array of registers starting at reg.
*/
static void windowReadPeerValues(
  WindowCodeArg *p,
  int csr,
................................................................................
    int i;
    for(i=0; i<pOrderBy->nExpr; i++){
      sqlite3VdbeAddOp3(v, OP_Column, csr, iColOff+i, reg+i);
    }
  }
}

/*
** Generate VM code to invoke either xStep() (if bInverse is 0) or 
** xInverse (if bInverse is non-zero) for each window function in the 
** linked list starting at pMWin. Or, for built-in window functions
** that do not use the standard function API, generate the required
** inline VM code.
**
** If argument csr is greater than or equal to 0, then argument reg is
** the first register in an array of registers guaranteed to be large
** enough to hold the array of arguments for each function. In this case
** the arguments are extracted from the current row of csr into the
** array of registers before invoking OP_AggStep or OP_AggInverse
**
** Or, if csr is less than zero, then the array of registers at reg is
** already populated with all columns from the current row of the sub-query.
**
** If argument regPartSize is non-zero, then it is a register containing the
** number of rows in the current partition.
*/
static void windowAggStep(
  WindowCodeArg *p,
  Window *pMWin,                  /* Linked list of window functions */
  int csr,                        /* Read arguments from this cursor */
  int bInverse,                   /* True to invoke xInverse instead of xStep */
  int reg                         /* Array of registers */
){
  Parse *pParse = p->pParse;
  Vdbe *v = sqlite3GetVdbe(pParse);
  Window *pWin;
  for(pWin=pMWin; pWin; pWin=pWin->pNextWin){
    FuncDef *pFunc = pWin->pFunc;
    int regArg;
    int nArg = pWin->bExprArgs ? 0 : windowArgCount(pWin);
    int i;

    assert( bInverse==0 || pWin->eStart!=TK_UNBOUNDED );

    /* All OVER clauses in the same window function aggregate step must
    ** be the same. */
    assert( pWin==pMWin || sqlite3WindowCompare(pParse,pWin,pMWin,0)==0 );

    for(i=0; i<nArg; i++){
      if( i!=1 || pFunc->zName!=nth_valueName ){
        sqlite3VdbeAddOp3(v, OP_Column, csr, pWin->iArgCol+i, reg+i);
      }else{
        sqlite3VdbeAddOp3(v, OP_Column, pMWin->iEphCsr, pWin->iArgCol+i, reg+i);
      }
    }
    regArg = reg;

    if( pMWin->regStartRowid==0
     && (pFunc->funcFlags & SQLITE_FUNC_MINMAX) 
     && (pWin->eStart!=TK_UNBOUNDED)
    ){
      int addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, regArg);
      VdbeCoverage(v);
      if( bInverse==0 ){
        sqlite3VdbeAddOp2(v, OP_AddImm, pWin->regApp+1, 1);
        sqlite3VdbeAddOp2(v, OP_SCopy, regArg, pWin->regApp);
        sqlite3VdbeAddOp3(v, OP_MakeRecord, pWin->regApp, 2, pWin->regApp+2);
        sqlite3VdbeAddOp2(v, OP_IdxInsert, pWin->csrApp, pWin->regApp+2);
      }else{
        sqlite3VdbeAddOp4Int(v, OP_SeekGE, pWin->csrApp, 0, regArg, 1);
        VdbeCoverageNeverTaken(v);
        sqlite3VdbeAddOp1(v, OP_Delete, pWin->csrApp);
        sqlite3VdbeJumpHere(v, sqlite3VdbeCurrentAddr(v)-2);
      }
      sqlite3VdbeJumpHere(v, addrIsNull);
    }else if( pWin->regApp ){
      assert( pFunc->zName==nth_valueName
           || pFunc->zName==first_valueName
      );
      assert( bInverse==0 || bInverse==1 );
      sqlite3VdbeAddOp2(v, OP_AddImm, pWin->regApp+1-bInverse, 1);
    }else if( pFunc->xSFunc!=noopStepFunc ){
      int addrIf = 0;
      if( pWin->pFilter ){
        int regTmp;
        assert( pWin->bExprArgs || !nArg ||nArg==pWin->pOwner->x.pList->nExpr );
        assert( pWin->bExprArgs || nArg  ||pWin->pOwner->x.pList==0 );
        regTmp = sqlite3GetTempReg(pParse);
        sqlite3VdbeAddOp3(v, OP_Column, csr, pWin->iArgCol+nArg,regTmp);
        addrIf = sqlite3VdbeAddOp3(v, OP_IfNot, regTmp, 0, 1);
        VdbeCoverage(v);
        sqlite3ReleaseTempReg(pParse, regTmp);
      }
      
      if( pWin->bExprArgs ){
        int iStart = sqlite3VdbeCurrentAddr(v);
        VdbeOp *pOp, *pEnd;

        nArg = pWin->pOwner->x.pList->nExpr;
        regArg = sqlite3GetTempRange(pParse, nArg);
        sqlite3ExprCodeExprList(pParse, pWin->pOwner->x.pList, regArg, 0, 0);

        pEnd = sqlite3VdbeGetOp(v, -1);
        for(pOp=sqlite3VdbeGetOp(v, iStart); pOp<=pEnd; pOp++){
          if( pOp->opcode==OP_Column && pOp->p1==pWin->iEphCsr ){
            pOp->p1 = csr;
          }
        }
      }
      if( pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL ){
        CollSeq *pColl;
        assert( nArg>0 );
        pColl = sqlite3ExprNNCollSeq(pParse, pWin->pOwner->x.pList->a[0].pExpr);
        sqlite3VdbeAddOp4(v, OP_CollSeq, 0,0,0, (const char*)pColl, P4_COLLSEQ);
      }
      sqlite3VdbeAddOp3(v, bInverse? OP_AggInverse : OP_AggStep, 
                        bInverse, regArg, pWin->regAccum);
      sqlite3VdbeAppendP4(v, pFunc, P4_FUNCDEF);
      sqlite3VdbeChangeP5(v, (u8)nArg);
      if( pWin->bExprArgs ){
        sqlite3ReleaseTempRange(pParse, regArg, nArg);
      }
      if( addrIf ) sqlite3VdbeJumpHere(v, addrIf);
    }
  }
}

/*
** Values that may be passed as the second argument to windowCodeOp().
*/
#define WINDOW_RETURN_ROW 1
#define WINDOW_AGGINVERSE 2
#define WINDOW_AGGSTEP    3

/*
** Generate VM code to invoke either xValue() (bFin==0) or xFinalize()
** (bFin==1) for each window function in the linked list starting at
** pMWin. Or, for built-in window-functions that do not use the standard
** API, generate the equivalent VM code.
*/
static void windowAggFinal(WindowCodeArg *p, int bFin){
................................................................................

  int nPeer;
  int lblNext;
  int lblBrk;
  int addrNext;
  int csr;

  VdbeModuleComment((v, "windowFullScan begin"));

  assert( pMWin!=0 );
  csr = pMWin->csrApp;
  nPeer = (pMWin->pOrderBy ? pMWin->pOrderBy->nExpr : 0);

  lblNext = sqlite3VdbeMakeLabel(pParse);
  lblBrk = sqlite3VdbeMakeLabel(pParse);

................................................................................
      VdbeCoverageEqNe(v);
    }else{
      sqlite3VdbeAddOp2(v, OP_Goto, 0, lblNext);
    }
    if( addrEq ) sqlite3VdbeJumpHere(v, addrEq);
  }

  windowAggStep(p, pMWin, csr, 0, p->regArg);

  sqlite3VdbeResolveLabel(v, lblNext);
  sqlite3VdbeAddOp2(v, OP_Next, csr, addrNext);
  VdbeCoverage(v);
  sqlite3VdbeJumpHere(v, addrNext-1);
  sqlite3VdbeJumpHere(v, addrNext+1);
  sqlite3ReleaseTempReg(pParse, regRowid);
................................................................................
  sqlite3ReleaseTempReg(pParse, regCRowid);
  if( nPeer ){
    sqlite3ReleaseTempRange(pParse, regPeer, nPeer);
    sqlite3ReleaseTempRange(pParse, regCPeer, nPeer);
  }

  windowAggFinal(p, 1);
  VdbeModuleComment((v, "windowFullScan end"));
}

/*
** Invoke the sub-routine at regGosub (generated by code in select.c) to
** return the current row of Window.iEphCsr. If all window functions are
** aggregate window functions that use the standard API, a single
** OP_Gosub instruction is all that this routine generates. Extra VM code
................................................................................
 int jumpOnEof                    /* Jump here if stepped cursor reaches EOF */
){
  int csr, reg;
  Parse *pParse = p->pParse;
  Window *pMWin = p->pMWin;
  int ret = 0;
  Vdbe *v = p->pVdbe;

  int addrContinue = 0;

  int bPeer = (pMWin->eFrmType!=TK_ROWS);

  int lblDone = sqlite3VdbeMakeLabel(pParse);
  int addrNextRange = 0;

  /* Special case - WINDOW_AGGINVERSE is always a no-op if the frame
  ** starts with UNBOUNDED PRECEDING. */
................................................................................
        }
      }else{
        windowCodeRangeTest(
            p, OP_Gt, p->end.csr, regCountdown, p->current.csr, lblDone
        );
      }
    }else{
      sqlite3VdbeAddOp3(v, OP_IfPos, regCountdown, lblDone, 1);
      VdbeCoverage(v);
    }
  }

  if( op==WINDOW_RETURN_ROW && pMWin->regStartRowid==0 ){
    windowAggFinal(p, 0);
  }
  addrContinue = sqlite3VdbeCurrentAddr(v);

  /* If this is a (RANGE BETWEEN a FOLLOWING AND b FOLLOWING) or
  ** (RANGE BETWEEN b PRECEDING AND a PRECEDING) frame, ensure the 
  ** start cursor does not advance past the end cursor within the 
  ** temporary table. It otherwise might, if (a>b).  */
  if( pMWin->eStart==pMWin->eEnd && regCountdown
   && pMWin->eFrmType==TK_RANGE && op==WINDOW_AGGINVERSE
  ){
    int regRowid1 = sqlite3GetTempReg(pParse);
    int regRowid2 = sqlite3GetTempReg(pParse);
    sqlite3VdbeAddOp2(v, OP_Rowid, p->start.csr, regRowid1);
    sqlite3VdbeAddOp2(v, OP_Rowid, p->end.csr, regRowid2);
    sqlite3VdbeAddOp3(v, OP_Ge, regRowid2, lblDone, regRowid1);
    VdbeCoverage(v);
    sqlite3ReleaseTempReg(pParse, regRowid1);
    sqlite3ReleaseTempReg(pParse, regRowid2);
    assert( pMWin->eStart==TK_PRECEDING || pMWin->eStart==TK_FOLLOWING );
  }

  switch( op ){
    case WINDOW_RETURN_ROW:
      csr = p->current.csr;
      reg = p->current.reg;
      windowReturnOneRow(p);
      break;

................................................................................
    case WINDOW_AGGINVERSE:
      csr = p->start.csr;
      reg = p->start.reg;
      if( pMWin->regStartRowid ){
        assert( pMWin->regEndRowid );
        sqlite3VdbeAddOp2(v, OP_AddImm, pMWin->regStartRowid, 1);
      }else{
        windowAggStep(p, pMWin, csr, 1, p->regArg);
      }
      break;

    default:
      assert( op==WINDOW_AGGSTEP );
      csr = p->end.csr;
      reg = p->end.reg;
      if( pMWin->regStartRowid ){
        assert( pMWin->regEndRowid );
        sqlite3VdbeAddOp2(v, OP_AddImm, pMWin->regEndRowid, 1);
      }else{
        windowAggStep(p, pMWin, csr, 0, p->regArg);
      }
      break;
  }

  if( op==p->eDelete ){
    sqlite3VdbeAddOp1(v, OP_Delete, csr);
    sqlite3VdbeChangeP5(v, OPFLAG_SAVEPOSITION);
................................................................................
    sqlite3VdbeAddOp2(v, OP_Next, csr, sqlite3VdbeCurrentAddr(v)+2);
    VdbeCoverage(v);
    ret = sqlite3VdbeAddOp0(v, OP_Goto);
  }else{
    sqlite3VdbeAddOp2(v, OP_Next, csr, sqlite3VdbeCurrentAddr(v)+1+bPeer);
    VdbeCoverage(v);
    if( bPeer ){
      sqlite3VdbeAddOp2(v, OP_Goto, 0, lblDone);
    }
  }

  if( bPeer ){
    int nReg = (pMWin->pOrderBy ? pMWin->pOrderBy->nExpr : 0);
    int regTmp = (nReg ? sqlite3GetTempRange(pParse, nReg) : 0);
    windowReadPeerValues(p, csr, regTmp);
................................................................................
    sqlite3ReleaseTempRange(pParse, regTmp, nReg);
  }

  if( addrNextRange ){
    sqlite3VdbeAddOp2(v, OP_Goto, 0, addrNextRange);
  }
  sqlite3VdbeResolveLabel(v, lblDone);


  return ret;
}


/*
** Allocate and return a duplicate of the Window object indicated by the
** third argument. Set the Window.pOwner field of the new object to
................................................................................
**       }
**       Insert new row into eph table.
**       if( first row of partition ){
**         Rewind(csrEnd) ; Rewind(csrStart) ; Rewind(csrCurrent)
**         regEnd = <expr2>
**         regStart = <expr1>
**       }else{
**         while( (csrEnd.key + regEnd) <= csrCurrent.key ){
**           AGGSTEP
**         }
**         while( (csrStart.key + regStart) < csrCurrent.key ){
**           AGGINVERSE
**         }
**         RETURN_ROW
**       }
................................................................................
  int csrInput = p->pSrc->a[0].iCursor;     /* Cursor of sub-select */
  int nInput = p->pSrc->a[0].pTab->nCol;    /* Number of cols returned by sub */
  int iInput;                               /* To iterate through sub cols */
  int addrNe;                     /* Address of OP_Ne */
  int addrGosubFlush = 0;         /* Address of OP_Gosub to flush: */
  int addrInteger = 0;            /* Address of OP_Integer */
  int addrEmpty;                  /* Address of OP_Rewind in flush: */


  int regNew;                     /* Array of registers holding new input row */
  int regRecord;                  /* regNew array in record form */
  int regRowid;                   /* Rowid for regRecord in eph table */
  int regNewPeer = 0;             /* Peer values for new row (part of regNew) */
  int regPeer = 0;                /* Peer values for current row */
  int regFlushPart = 0;           /* Register for "Gosub flush_partition" */
  WindowCodeArg s;                /* Context object for sub-routines */
  int lblWhereEnd;                /* Label just before sqlite3WhereEnd() code */
  int regStart = 0;               /* Value of <expr> PRECEDING */
  int regEnd = 0;                 /* Value of <expr> FOLLOWING */

  assert( pMWin->eStart==TK_PRECEDING || pMWin->eStart==TK_CURRENT 
       || pMWin->eStart==TK_FOLLOWING || pMWin->eStart==TK_UNBOUNDED 
  );
  assert( pMWin->eEnd==TK_FOLLOWING || pMWin->eEnd==TK_CURRENT 
       || pMWin->eEnd==TK_UNBOUNDED || pMWin->eEnd==TK_PRECEDING 
  );
................................................................................
  VdbeCoverageNeverNull(v);

  /* This block is run for the first row of each partition */
  s.regArg = windowInitAccum(pParse, pMWin);

  if( regStart ){
    sqlite3ExprCode(pParse, pMWin->pStart, regStart);
    windowCheckValue(pParse, regStart, 0 + (pMWin->eFrmType==TK_RANGE?3:0));
  }
  if( regEnd ){
    sqlite3ExprCode(pParse, pMWin->pEnd, regEnd);
    windowCheckValue(pParse, regEnd, 1 + (pMWin->eFrmType==TK_RANGE?3:0));
  }

  if( pMWin->eFrmType!=TK_RANGE && pMWin->eStart==pMWin->eEnd && regStart ){
    int op = ((pMWin->eStart==TK_FOLLOWING) ? OP_Ge : OP_Le);
    int addrGe = sqlite3VdbeAddOp3(v, op, regStart, 0, regEnd);
    VdbeCoverageNeverNullIf(v, op==OP_Ge); /* NeverNull because bound <expr> */
    VdbeCoverageNeverNullIf(v, op==OP_Le); /*   values previously checked */

Changes to test/corruptL.test.

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|    448: 00 00 74 72 69 67 62 ff ff ff ff fc 00 00 07 05   ..trigb.........
|    464: 05 01 01 09 09 02 02 19 04 05 17 17 17 17 10 65   ...............e
|    480: 76 65 6e 65 69 67 68 74 65 40 18 00 00 00 00 01   veneighte@......
|    496: 02 03 07 04 01 01 01 03 04 02 05 04 09 01 ff fd   ................
| end crash-6b48ba69806134.db
}]} {}





do_catchsql_test 4.1 {
  PRAGMA writable_schema=ON; -- bypass improved sqlite_master consistency checking
  INSERT INTO t3 SELECT * FROM t2;
} {1 {database disk image is malformed}}


#-------------------------------------------------------------------------
reset_db
do_test 5.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 192512 pagesize 4096 filename crash-9ae5502296c949.db
................................................................................
|    480: 00 00 ff ff ff 00 00 00 5f 00 fb 00 00 2d 00 00   ........_....-..
|    496: 00 00 00 1e 00 00 00 fe 00 00 64 00 00 ff fb 02   ..........d.....
| page 4 offset 1536
|      0: 0d 00 39 00 00 02 00 00 00 00 00 00 00 00 00 00   ..9.............
| end a.db
}]} {}





do_catchsql_test 8.1 {
  PRAGMA writable_schema=ON; -- bypass improved sqlite_master consistency checking
  INSERT INTO t3 SELECT * FROM t2;
} {1 {database disk image is malformed}}

#-------------------------------------------------------------------------
reset_db
do_test 9.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 8192 pagesize 4096 filename crash-ab10597e4e1c32.db







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<







 







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|







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|    448: 00 00 74 72 69 67 62 ff ff ff ff fc 00 00 07 05   ..trigb.........
|    464: 05 01 01 09 09 02 02 19 04 05 17 17 17 17 10 65   ...............e
|    480: 76 65 6e 65 69 67 68 74 65 40 18 00 00 00 00 01   veneighte@......
|    496: 02 03 07 04 01 01 01 03 04 02 05 04 09 01 ff fd   ................
| end crash-6b48ba69806134.db
}]} {}

set res {1 {database disk image is malformed}}
ifcapable oversize_cell_check {
  set res {1 {no such table: t3}}
}
do_catchsql_test 4.1 {
  PRAGMA writable_schema=ON; -- bypass improved sqlite_master consistency checking
  INSERT INTO t3 SELECT * FROM t2;
} $res


#-------------------------------------------------------------------------
reset_db
do_test 5.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 192512 pagesize 4096 filename crash-9ae5502296c949.db
................................................................................
|    480: 00 00 ff ff ff 00 00 00 5f 00 fb 00 00 2d 00 00   ........_....-..
|    496: 00 00 00 1e 00 00 00 fe 00 00 64 00 00 ff fb 02   ..........d.....
| page 4 offset 1536
|      0: 0d 00 39 00 00 02 00 00 00 00 00 00 00 00 00 00   ..9.............
| end a.db
}]} {}

set res {1 {database disk image is malformed}}
ifcapable oversize_cell_check {
  set res {1 {no such table: t3}}
}
do_catchsql_test 8.1 {
  PRAGMA writable_schema=ON; -- bypass improved sqlite_master consistency checking
  INSERT INTO t3 SELECT * FROM t2;
} $res

#-------------------------------------------------------------------------
reset_db
do_test 9.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 8192 pagesize 4096 filename crash-ab10597e4e1c32.db

Changes to test/filter1.test.

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104

  SELECT sum(a) FILTER (WHERE 1 - max(a) OVER () > 0) FROM t1
} {1 {misuse of window function max()}}

do_catchsql_test 2.3 {
  SELECT sum(a) FILTER (WHERE 1 - count(a)) FROM t1
} {1 {misuse of aggregate function count()}}
































































finish_test








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  SELECT sum(a) FILTER (WHERE 1 - max(a) OVER () > 0) FROM t1
} {1 {misuse of window function max()}}

do_catchsql_test 2.3 {
  SELECT sum(a) FILTER (WHERE 1 - count(a)) FROM t1
} {1 {misuse of aggregate function count()}}

#-------------------------------------------------------------------------
reset_db
do_execsql_test 3.0 {
  CREATE TABLE t1(a,b);
  INSERT INTO t1 VALUES(1, 1);
}
do_execsql_test 3.1 {
  SELECT b, max(a) FILTER (WHERE b='x') FROM t1;
} {1 {}}

do_execsql_test 3.2 {
  CREATE TABLE t2(a, b, c);
  INSERT INTO t2 VALUES(1, 2, 3);
  INSERT INTO t2 VALUES(1, 3, 4);
  INSERT INTO t2 VALUES(2, 5, 6);
  INSERT INTO t2 VALUES(2, 7, 8);
}
do_execsql_test 3.3 {
  SELECT a, c, max(b) FILTER (WHERE c='x') FROM t2 GROUP BY a;
} {1 3 {} 2 6 {}}

do_execsql_test 3.4 {
  DELETE FROM t2;
  INSERT INTO t2 VALUES(1, 5, 'x');
  INSERT INTO t2 VALUES(1, 2, 3);
  INSERT INTO t2 VALUES(1, 4, 'x');
  INSERT INTO t2 VALUES(2, 5, 6);
  INSERT INTO t2 VALUES(2, 7, 8);
}
do_execsql_test 3.5 {
  SELECT a, c, max(b) FILTER (WHERE c='x') FROM t2 GROUP BY a;
} {1 x 5 2 6 {}}

#-------------------------------------------------------------------------
reset_db
do_execsql_test 4.0 {
  CREATE TABLE t1(a, b, c);
  INSERT INTO t1 VALUES('a', 0, 5);
  INSERT INTO t1 VALUES('a', 1, 10);
  INSERT INTO t1 VALUES('a', 0, 15);

  INSERT INTO t1 VALUES('b', 0, 5);
  INSERT INTO t1 VALUES('b', 1, 1000);
  INSERT INTO t1 VALUES('b', 0, 5);

  INSERT INTO t1 VALUES('c', 0, 1);
  INSERT INTO t1 VALUES('c', 1, 2);
  INSERT INTO t1 VALUES('c', 0, 3);
}

do_execsql_test 4.1 {
  SELECT avg(c) FILTER (WHERE b!=1) AS h FROM t1 GROUP BY a ORDER BY h;
} {2.0 5.0 10.0}
do_execsql_test 4.2 {
  SELECT avg(c) FILTER (WHERE b!=1) AS h FROM t1 GROUP BY a ORDER BY (h+1.0);
} {2.0 5.0 10.0}
do_execsql_test 4.3 {
  SELECT a, avg(c) FILTER (WHERE b!=1) AS h FROM t1 GROUP BY a ORDER BY avg(c);
} {c 2.0 a 10.0 b 5.0}
do_execsql_test 4.4 {
  SELECT a, avg(c) FILTER (WHERE b!=1) FROM t1 GROUP BY a ORDER BY 2
} {c 2.0 b 5.0 a 10.0}

finish_test

Changes to test/fts3corrupt4.test.

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5332
do_catchsql_test 29.1 {
  PRAGMA writable_schema = 1;
  INSERT INTO t1(a) SELECT X'819192E578DE3F';
  UPDATE t1 SET b=quote(zeroblob(current_date)) WHERE t1 MATCH 't*';
  INSERT INTO t1(b) VALUES(x'78');
  INSERT INTO t1(t1) SELECT x FROM t2;
} {1 {database disk image is malformed}}


























































































































































































































finish_test








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do_catchsql_test 29.1 {
  PRAGMA writable_schema = 1;
  INSERT INTO t1(a) SELECT X'819192E578DE3F';
  UPDATE t1 SET b=quote(zeroblob(current_date)) WHERE t1 MATCH 't*';
  INSERT INTO t1(b) VALUES(x'78');
  INSERT INTO t1(t1) SELECT x FROM t2;
} {1 {database disk image is malformed}}

#-------------------------------------------------------------------------
#
reset_db
do_test 30.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 28672 pagesize 4096 filename crash-e6e3857edf9b26.db
| page 1 offset 0
|      0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00   SQLite format 3.
|     16: 10 00 01 01 00 40 20 20 00 00 00 00 00 00 00 00   .....@  ........
|     96: 00 00 00 00 0d 0e b1 00 06 0d a4 00 0f 8d 0f 21   ...............!
|    112: 0e b9 0d c8 0e 7e 0d a4 00 00 00 00 00 00 00 00   .....~..........
|   3488: 00 00 00 00 22 07 06 17 11 11 01 31 74 61 62 6c   ...........1tabl
|   3504: 65 74 32 74 32 07 43 52 45 41 54 45 20 54 41 42   et2t2.CREATE TAB
|   3520: 4c 45 20 74 32 28 78 29 81 33 05 07 17 1f 1f 01   LE t2(x).3......
|   3536: 82 35 74 61 62 6c 65 74 31 5f 73 65 67 64 69 72   .5tablet1_segdir
|   3552: 74 31 5f 73 65 67 64 69 72 05 43 52 45 41 54 45   t1_segdir.CREATE
|   3568: 20 54 41 42 4c 45 20 27 74 31 5f 73 65 67 64 69    TABLE 't1_segdi
|   3584: 72 27 28 6c 65 76 65 6c 20 49 4e 54 45 47 45 52   r'(level INTEGER
|   3600: 2c 69 64 78 20 49 4e 54 45 47 45 52 2c 73 74 61   ,idx INTEGER,sta
|   3616: 72 74 5f 62 6c 6f 63 6b 20 49 4e 54 45 47 45 52   rt_block INTEGER
|   3632: 2c 6c 65 61 76 65 73 5f 65 6e 64 5f 62 6c 6f 63   ,leaves_end_bloc
|   3648: 6b 20 49 4e 54 45 47 45 52 2c 65 6e 64 5f 62 6c   k INTEGER,end_bl
|   3664: 6f 63 6b 20 49 4e 54 45 47 45 62 2c 72 6f 6f 74   ock INTEGEb,root
|   3680: 20 42 4c 4f 42 2c 50 52 49 4d 41 52 59 20 4b 45    BLOB,PRIMARY KE
|   3696: 59 28 6c 65 76 65 6c 2c 20 69 64 78 29 29 31 06   Y(level, idx))1.
|   3712: 06 17 45 1f 01 00 69 6e 64 65 78 73 71 6c 69 74   ..E...indexsqlit
|   3728: 65 5f 61 75 74 6f 69 6e 64 65 78 5f 74 31 5f 73   e_autoindex_t1_s
|   3744: 65 67 64 69 72 5f 31 74 31 5f 73 65 67 64 69 72   egdir_1t1_segdir
|   3760: 06 0f c7 00 08 00 00 00 00 66 04 07 17 23 23 01   .........f...##.
|   3776: 81 13 74 61 62 6c 65 74 31 5f 73 65 67 6d 65 6e   ..tablet1_segmen
|   3792: 74 73 74 31 5f 73 65 67 6d 65 6e 74 73 04 43 52   tst1_segments.CR
|   3808: 45 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 73   EATE TABLE 't1_s
|   3824: 65 67 6d 65 6e 74 73 27 28 62 6c 6f 63 6b 69 64   egments'(blockid
|   3840: 20 49 4e 54 45 47 45 52 20 50 52 49 4d 41 52 59    INTEGER PRIMARY
|   3856: 20 4b 45 59 2c 20 62 6c 6f 63 6b 20 42 4c 4f 42    KEY, block BLOB
|   3872: 29 6a 03 07 17 21 21 01 81 1f 74 61 62 6c 65 74   )j...!!...tablet
|   3888: 31 5f 63 6f 6e 74 65 6e 74 74 31 5f 63 6f 6e 74   1_contentt1_cont
|   3904: 65 6e 74 03 43 52 45 41 54 45 20 54 41 42 4c 45   ent.CREATE TABLE
|   3920: 20 27 74 31 5f 63 6f 6e 74 65 6e 74 27 28 64 6f    't1_content'(do
|   3936: 63 69 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d   cid INTEGER PRIM
|   3952: 41 52 59 20 4b 45 59 2c 20 27 63 30 61 27 2c 20   ARY KEY, 'c0a', 
|   3968: 27 63 31 62 27 2c 20 27 63 32 63 27 29 38 02 06   'c1b', 'c2c')8..
|   3984: 17 11 11 08 5f 74 61 62 6c 65 74 31 74 31 43 52   ...._tablet1t1CR
|   4000: 45 41 54 45 20 56 49 52 54 55 41 4c 20 54 41 42   EATE VIRTUAL TAB
|   4016: 4c 45 20 74 31 20 55 53 49 4e 47 20 66 74 73 33   LE t1 USING fts3
|   4032: 28 61 2c 62 2c 63 29 00 00 00 00 00 00 00 00 00   (a,b,c).........
| page 3 offset 8192
|      0: 0d 00 00 00 25 0b 48 00 0f d8 0f af 0f 86 0f 74   ....%.H........t
|     16: 0f 61 0f 4e 0f 2f 0f 0f 0e ef 0e d7 0e be 0e a5   .a.N./..........
|     32: 0e 8d 0e 74 0e 5b 0e 40 0e 24 0e 08 0d ef 00 00   ...t.[.@.$......
|   2880: 00 00 00 00 00 00 00 00 81 3f 25 06 00 82 7e f0   .........?%...~.
|   2896: 00 43 4f 4d 50 49 4c 45 52 3d 67 63 63 2d 35 2e   .COMPILER=gcc-5.
|   2912: 34 23 00 20 32 30 31 36 30 36 30 39 20 44 45 42   4#. 20160609 DEB
|   2928: 55 47 20 45 4e 41 42 4c 45 20 44 42 53 54 41 54   UG ENABLE DBSTAT
|   2944: 20 56 54 41 42 20 45 4e 42 92 4c 45 20 46 54 53    VTAB ENB.LE FTS
|   2960: 34 20 45 4e 41 42 4c 45 20 46 54 53 35 20 45 4e   4 ENABLE FTS5 EN
|   2976: 41 42 4c 45 20 47 45 4f 50 4f 4c 59 20 45 4e 41   ABLE GEOPOLY ENA
|   2992: 42 4c 45 1f 4a 53 4f 4e 31 20 45 4e 41 42 4c 49   BLE.JSON1 ENABLI
|   3008: 00 4d 45 4d 53 59 53 35 20 45 4e 41 42 4c 45 20   .MEMSYS5 ENABLE 
|   3024: 52 54 52 45 45 20 4d 41 58 20 4d 45 4d 4f 52 59   RTREE MAX MEMORY
|   3040: 3d 35 30 30 30 30 30 30 30 20 4f 4d 49 54 20 4c   =50000000 OMIT L
|   3056: 4f 41 44 20 45 58 54 45 4e 53 49 4f 4e 20 54 48   OAD EXTENSION TH
|   3072: 52 45 41 44 53 41 46 45 3d 30 18 24 05 00 25 0f   READSAFE=0.$..%.
|   3088: 19 54 48 52 45 41 44 53 41 46 45 3d 30 58 42 49   .THREADSAFE=0XBI
|   3104: 4e 41 52 59 18 23 05 00 25 0f 19 54 48 52 45 41   NARY.#..%..THREA
|   3120: 44 53 41 46 45 3d 30 88 4e 4f 43 41 53 45 17 22   DSAFE=0.NOCASE..
|   3136: 05 00 25 0f 17 54 48 52 45 41 44 53 41 46 45 3d   ..%..THREADSAFE=
|   3152: 30 58 52 54 52 49 4d 1f 21 05 00 33 0f 19 4f 4d   0XRTRIM.!..3..OM
|   3168: 49 54 20 4c 4f 41 44 20 45 58 54 45 4e 53 49 4f   IT LOAD EXTENSIO
|   3184: 4e 58 42 49 4e 41 52 59 1f 20 05 00 33 0f 19 4f   NXBINARY. ..3..O
|   3200: 4d 49 54 20 4c 4f 41 44 20 45 58 54 45 4e 53 49   MIT LOAD EXTENSI
|   3216: 4f 4e 58 4e 4f 43 41 53 45 1e 20 05 00 33 0f 17   ONXNOCASE. ..3..
|   3232: 4f 4d 49 54 20 4c 4f 41 54 20 45 58 54 45 4e 53   OMIT LOAT EXTENS
|   3248: 49 4f 4e 58 52 54 52 49 4d 1f 1e 04 00 33 0f 19   IONXRTRIM....3..
|   3264: 82 41 58 20 4d 45 4d 4f 52 59 3d 35 30 30 30 30   .AX MEMORY=50000
|   3280: 30 30 30 58 42 49 4e 41 52 59 1f 1d 05 00 33 0f   000XBINARY....3.
|   3296: 19 4d 41 58 20 4d 45 4d 4f 52 59 3d 35 30 30 30   .MAX MEMORY=5000
|   3312: 30 30 30 30 58 4e 4f 43 41 53 45 1e 1c 05 00 33   0000XNOCASE....3
|   3328: 0f 17 4d 41 58 20 4d 45 4d fa 52 59 3d 35 30 20   ..MAX MEM.RY=50 
|   3344: 30 30 30 30 30 58 52 54 52 49 4d 18 1b 05 00 25   00000XRTRIM....%
|   3360: 0f 19 45 4e 41 42 4c 45 20 52 53 52 45 45 58 42   ..ENABLE RSREEXB
|   3376: 49 4e 41 52 59 18 1a 05 00 25 0f 19 45 4e 41 42   INARY....%..ENAB
|   3392: 4c 45 20 52 54 52 45 45 58 4e 4f 53 41 53 45 17   LE RTREEXNOSASE.
|   3408: 19 05 00 25 0f 17 45 4e 42 42 4c 45 20 52 54 52   ...%..ENBBLE RTR
|   3424: 45 45 58 52 54 52 49 4d 1a 18 05 00 29 0f 19 45   EEXRTRIM....)..E
|   3440: 4e 41 42 4c 45 20 4d 45 4d 53 5a 53 35 58 42 49   NABLE MEMSZS5XBI
|   3456: 4e 41 52 59 1a 17 05 00 29 0f 19 45 4e 41 42 3c   NARY....)..ENAB<
|   3472: 45 20 4d 45 4d 53 59 53 35 58 4e 4f 43 41 53 45   E MEMSYS5XNOCASE
|   3488: 19 16 05 00 29 0f 17 45 4e 41 42 4c 45 20 4d 45   ....)..ENABLE ME
|   3504: 4d 53 59 53 35 58 52 54 52 49 4d 18 15 05 00 25   MSYS5XRTRIM....%
|   3520: 0f 19 45 4e 41 42 4c 45 20 4a 53 4f 4e 31 58 42   ..ENABLE JSON1XB
|   3536: 49 4e 41 52 59 18 14 05 00 25 0f 19 45 4e 41 42   INARY....%..ENAB
|   3552: 4c 45 20 4a 53 4f 4e 31 58 4e 4f 43 41 53 45 17   LE JSON1XNOCASE.
|   3568: 13 05 00 25 0f 17 45 4e 41 42 4c 45 20 4a 53 4f   ...%..ENABLE JSO
|   3584: 4e 31 58 52 54 52 49 4d 1a 12 05 00 29 0f 19 45   N1XRTRIM....)..E
|   3600: 4e 31 42 4c 45 20 47 45 4e 50 4f 4c 59 58 42 49   N1BLE GENPOLYXBI
|   3616: 4e 41 52 59 1a 11 05 00 29 0f 19 45 4e f2 1e 4c   NARY....)..EN..L
|   3632: 45 20 47 45 4f 50 4f 4c 59 58 4e 4f 43 41 53 45   E GEOPOLYXNOCASE
|   3648: 19 10 05 00 29 0f 17 45 4e 41 42 4c 45 20 47 45   ....)..ENABLE GE
|   3664: 4f 50 4f 4c 59 58 52 54 52 49 4d 17 0f 05 00 23   OPOLYXRTRIM....#
|   3680: 0f 19 45 4e 41 42 4c 45 20 46 54 53 35 58 42 49   ..ENABLE FTS5XBI
|   3696: 4e 41 52 59 17 0e 05 00 23 0f 19 45 4e 41 42 3c   NARY....#..ENAB<
|   3712: 45 20 46 54 53 35 58 4e 4f 43 41 53 45 16 0d 05   E FTS5XNOCASE...
|   3728: 00 23 0f 17 45 4e 41 42 4c 45 20 46 54 53 35 58   .#..ENABLE FTS5X
|   3744: 52 54 52 49 4d 17 0c 05 00 23 0f 19 45 4e 41 42   RTRIM....#..ENAB
|   3760: 4c 45 20 46 54 53 34 58 42 49 4e 41 52 59 17 0b   LE FTS4XBINARY..
|   3776: 05 00 23 0f 19 45 4e 41 43 4c 45 20 46 54 53 35   ..#..ENACLE FTS5
|   3792: 58 4e 4f 43 40 53 45 16 0a 05 00 23 0f 17 45 4e   XNOC@SE....#..EN
|   3808: 41 42 4c 45 20 46 54 53 34 58 52 54 52 49 4d 1e   ABLE FTS4XRTRIM.
|   3824: 09 05 00 31 0f 19 45 4e 41 42 4c 45 20 44 42 53   ...1..ENABLE DBS
|   3840: 54 41 55 20 56 54 41 42 58 42 49 4e 41 52 59 1e   TAU VTABXBINARY.
|   3856: 08 05 00 31 0f 19 45 4e 41 42 4c 45 20 44 42 53   ...1..ENABLE DBS
|   3872: 54 41 54 20 56 54 41 42 58 4e 4f 43 41 53 45 1d   TAT VTABXNOCASE.
|   3888: 07 05 00 31 0f 17 45 4e 41 42 4c 45 20 44 42 53   ...1..ENABLE DBS
|   3904: 54 41 54 20 56 54 41 42 58 52 54 62 49 4d 11 06   TAT VTABXRTbIM..
|   3920: 05 00 17 0f 19 44 45 42 54 47 58 42 49 4e 41 52   .....DEBTGXBINAR
|   3936: 59 11 05 05 00 17 0f 19 54 45 42 55 47 58 4e 4f   Y.......TEBUGXNO
|   3952: 43 41 53 45 10 04 05 00 17 0f 17 44 45 42 55 47   CASE.......DEBUG
|   3968: 68 52 54 52 49 4d 27 03 05 00 43 0f 19 43 4f 4d   hRTRIM'...C..COM
|   3984: 50 49 4c 45 52 3d 67 63 63 2d 35 2e 34 2e 30 20   PILER=gcc-5.4.0 
|   4000: 32 30 31 36 30 36 30 39 58 42 49 4e 41 52 59 27   20160609XBINARY'
|   4016: 02 05 00 43 0f 19 43 4f 4d 50 49 4c 45 52 3d 67   ...C..COMPILER=g
|   4032: 63 63 2d 35 2e 34 2e 30 20 32 30 31 36 30 36 30   cc-5.4.0 2016060
|   4048: 39 58 4f 4f 43 41 53 45 26 01 05 00 43 0f 17 43   9XOOCASE&...C..C
|   4064: 4f 4d 50 49 4c 45 52 3d 67 63 63 2d 35 2e 34 2e   OMPILER=gcc-5.4.
|   4080: 30 20 32 30 31 36 30 36 30 39 58 52 54 52 49 4d   0 20160609XRTRIM
| page 4 offset 12288
|      0: 0d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00   ................
| page 5 offset 16384
|      0: 0d 00 00 00 02 0b a0 00 0c ad 0b a0 00 00 00 00   ................
|   2976: 82 0a 02 08 08 09 08 08 17 84 06 30 20 32 35 33   ...........0 253
|   2992: 00 01 30 04 25 06 1b 00 00 08 32 30 31 36 30 36   ..0.%.....201606
|   3008: 30 39 03 25 07 00 00 01 34 03 25 05 00 00 01 35   09.%....4.%....5
|   3024: 03 25 04 00 01 07 30 30 30 30 30 30 30 03 25 1a   .%....0000000.%.
|   3040: 00 00 08 63 6f 6d 70 69 6c 65 72 03 25 02 00 00   ...compiler.%...
|   3056: 06 64 62 73 74 61 74 03 25 0a 00 01 04 65 62 75   .dbstat.%....ebu
|   3072: 67 03 25 08 00 00 06 65 6e 61 62 6c 65 09 25 09   g.%....enable.%.
|   3088: 05 04 04 04 04 04 00 01 08 78 74 65 6e 73 69 6f   .........xtensio
|   3104: 6e 03 25 1d 00 00 04 66 74 73 34 03 25 0d 00 03   n.%....fts4.%...
|   3120: 01 35 03 25 0f 00 00 03 67 63 63 03 25 03 00 01   .5.%....gcc.%...
|   3136: 06 65 6f 70 6f 6c 79 03 25 11 00 00 05 6a 73 6f   .eopoly.%....jso
|   3152: 6e 31 03 25 14 00 e8 04 6c 6f 61 64 03 25 1c 00   n1.%....load.%..
|   3168: 00 03 6d 61 78 03 25 18 00 01 05 65 6d 6f 72 79   ..max.%....emory
|   3184: 03 25 19 00 03 04 73 79 73 35 03 25 15 00 00 04   .%....sys5.%....
|   3200: 6f 6d 69 74 03 25 1b 00 00 05 72 74 72 65 65 03   omit.%....rtree.
|   3216: 25 17 00 00 0a 74 68 72 65 61 64 73 61 66 65 03   %....threadsafe.
|   3232: 25 1e 00 00 04 76 74 61 62 03 25 0b 00 86 50 01   %....vtab.%...P.
|   3248: 08 08 08 08 08 17 8d 12 30 20 38 33 35 00 01 30   ........0 835..0
|   3264: 12 01 06 00 01 06 00 01 06 00 1f 03 00 01 03 00   ................
|   3280: 01 03 00 00 08 32 30 31 36 30 36 30 39 09 01 07   .....20160609...
|   3296: 00 01 07 00 01 07 00 00 01 34 09 01 05 00 01 05   .........4......
|   3312: 00 01 05 00 00 01 35 09 01 04 00 01 04 00 01 04   ......5.........
|   3328: 00 01 07 30 30 30 30 30 30 30 09 1c 04 00 01 04   ...0000000......
|   3344: 00 01 04 00 00 06 62 69 6e 61 72 79 3c 03 01 02   ......binary<...
|   3360: 02 00 03 01 02 02 00 03 01 02 02 00 03 01 02 02   ................
|   3376: 00 03 01 02 f2 00 03 01 02 02 00 03 01 02 02 00   ................
|   3392: 03 01 02 02 00 03 01 02 02 00 03 01 02 02 00 03   ................
|   3408: 01 02 02 00 03 01 02 02 00 00 08 63 6f 6d 70 69   ...........compi
|   3424: 6c 65 72 09 01 02 00 01 02 00 01 02 00 00 06 64   ler............d
|   3440: 62 73 74 61 74 09 07 03 00 01 03 00 01 03 00 01   bstat...........
|   3456: 04 65 62 75 67 09 04 02 00 01 02 00 01 02 00 00   .ebug...........
|   3472: 06 65 6e 60 62 6c 65 3f 07 02 00 01 02 00 01 01   .en`ble?........
|   3488: ff f1 b1 00 00 02 3f 01 01 f0 f1 02 00 57 02 00   ......?......W..
|   3504: 01 02 00 01 02 00 01 02 00 01 02 00 01 02 10 01   ................
|   3520: 02 00 01 02 00 01 02 00 01 02 01 01 02 00 01 02   ................
|   3536: 00 01 02 00 00 f2 00 01 08 78 74 65 6e 73 69 6f   .........xtensio
|   3552: 6e 09 1f 04 00 01 04 00 01 04 00 00 04 66 74 73   n............fts
|   3568: 34 09 0a 03 00 01 03 00 01 03 00 03 01 35 09 0d   4............5..
|   3584: 03 00 01 03 00 01 03 00 00 03 67 63 63 09 01 03   ..........gcc...
|   3600: 00 01 03 00 01 03 00 01 06 65 6f 70 6f 6c 79 09   .........eopoly.
|   3616: 10 03 00 01 03 00 01 03 00 00 b3 6a 73 6f 6e 31   ...........json1
|   3632: 09 13 03 00 01 03 00 01 03 00 00 04 6c 6f 61 64   ............load
|   3648: 09 1f 03 00 01 03 00 01 03 00 00 03 6d 61 78 09   ............max.
|   3664: 1c 02 00 01 02 00 01 02 00 01 05 65 6d 6f 72 79   ...........emory
|   3680: 09 1c 03 00 01 03 00 01 03 00 03 04 73 79 73 35   ............sys5
|   3696: 09 16 03 00 01 03 00 01 03 cc 00 06 6e 6f 63 61   ............noca
|   3712: 73 65 3c 02 01 02 02 00 03 01 02 02 00 03 01 02   se<.............
|   3728: 02 00 03 01 02 02 00 03 01 02 02 00 03 01 02 02   ................
|   3744: 00 03 01 02 02 00 03 01 02 02 00 03 01 02 02 00   ................
|   3760: 03 01 02 02 00 03 01 02 02 00 03 01 02 02 00 00   ................
|   3776: 04 6f 6d 69 74 09 1f 02 00 01 02 00 01 02 00 00   .omit...........
|   3792: 05 72 74 62 65 65 09 19 03 00 01 03 00 01 03 00   .rtbee..........
|   3808: 03 02 69 6d 3c 01 01 02 02 00 03 01 02 02 00 03   ..im<...........
|   3824: 01 02 02 00 03 01 02 02 00 03 01 02 02 00 03 01   ................
|   3840: 02 02 00 03 01 02 02 00 03 01 02 02 00 03 01 02   ................
|   3856: 02 00 03 01 02 02 00 03 01 02 01 00 03 01 02 02   ................
|   3872: 00 00 0a 74 68 72 65 61 64 73 61 66 65 09 22 02   ...threadsafe...
|   3888: 00 01 02 00 02 02 00 00 04 76 74 61 62 09 07 04   .........vtab...
|   3904: 00 01 03 00 01 04 00 00 01 78 b4 01 01 01 01 02   .........x......
|   3920: 00 01 01 01 02 00 01 01 01 02 00 01 01 01 02 00   ................
|   3936: 01 01 01 02 00 01 01 01 02 00 01 01 01 02 00 01   ................
|   3952: 01 01 02 00 01 01 01 02 00 01 01 01 02 00 01 01   ................
|   3968: 01 02 00 01 01 01 02 00 01 01 01 02 00 01 01 01   ................
|   3984: 02 01 01 01 01 02 00 01 01 01 02 00 01 01 01 02   ................
|   4000: 00 01 01 01 02 00 01 01 01 02 00 01 01 01 02 00   ................
|   4016: 01 01 01 02 00 01 01 01 02 00 01 01 01 02 00 01   ................
|   4032: 01 01 02 00 01 01 01 da 00 01 01 01 02 00 01 01   ................
|   4048: 01 02 00 01 01 01 01 ff ff 01 01 02 00 01 01 01   ................
|   4064: 02 00 01 01 01 02 00 01 01 01 02 00 01 01 01 02   ................
|   4080: 00 01 01 01 02 00 01 01 01 02 00 01 01 01 02 00   ................
| page 6 offset 20480
|      0: 0a 00 00 00 02 0f f5 00 0f fb 0f f5 01 00 00 00   ................
|   4080: 00 00 00 00 00 05 04 08 09 01 02 04 04 08 08 09   ................
| page 7 offset 24576
|      0: 01 6f 00 00 00 00 00 00 00 00 00 00 00 00 00 00   .o..............
| end crash-e6e3857edf9b26.db
}]} {}

do_execsql_test 30.1 {
  UPDATE t1 SET b=a;
}

do_catchsql_test 30.2 {
  SELECT (matchinfo(null)) FROM t1 WHERE t1 MATCH 'ee*e*e*e*e*e*e*Re*e*e*e**' 
} {1 {database disk image is malformed}}

finish_test

Added test/fts4record.test.

















































































































































































































































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# 2019 September 18
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#*************************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is testing the FTS4 module.
#
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/fts3_common.tcl
set testprefix fts4record

# If SQLITE_ENABLE_FTS3 is defined, omit this file.
ifcapable !fts3 {
  finish_test
  return
}

sqlite3_fts3_may_be_corrupt 1

do_execsql_test 1.0 {
  CREATE VIRTUAL TABLE t1 USING fts4(x);
  INSERT INTO t1 VALUES('terma terma terma termb');
}

do_execsql_test 1.1 {
  SELECT quote(root) FROM t1_segdir
} {
  X'00057465726D6105010203030004016203010500'
}

proc make_record_wrapper {args} { make_fts3record $args }
db func record make_record_wrapper

do_execsql_test 1.2 {
  select quote( 
    record(0,    5, 'terma', 5, 1, 2, 3, 3, 0, 
              4, 1, 'b'    , 3, 1, 5, 0
  ) );
} {
  X'00057465726D6105010203030004016203010500'
}

do_execsql_test 1.3.1 {
  UPDATE t1_segdir SET root = 
    record(0,    5, 'terma', 5, 1, 2, 3, 3, 0, 
              4, 1, 'b'    , 3, 1, 5, 
              1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
              1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
              1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0
          );
}

do_catchsql_test 1.3.2 {
  SELECT snippet(t1) FROM t1 WHERE t1 MATCH 'term*'
} {1 {database disk image is malformed}}

do_execsql_test 1.4.1 {
  UPDATE t1_segdir SET root = 
    record(0,    5, 'terma', 5, 1, 2, 3, 3, 0, 
              4, 1, 'b'    , 4, 1, 5, 
              256, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
              1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
              1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0
          );
}

do_catchsql_test 1.4.2 {
  SELECT snippet(t1) FROM t1 WHERE t1 MATCH 'term*'
} {1 {database disk image is malformed}}

do_execsql_test 1.4.3 {
  SELECT quote(root) FROM t1_segdir
} {
  X'00057465726D610501020303000401620401058002010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010100'
}

do_execsql_test 1.5.1 {
  UPDATE t1_segdir SET root = 
    record(0,    5, 'terma', 5, 1, 2, 3, 3, 0, 
              4, 1, 'b'    , 4, 1, 5, 
              256, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
              1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
              1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0
          );
}

do_catchsql_test 1.4.2 {
  SELECT snippet(t1) FROM t1 WHERE t1 MATCH 'term*'
} {1 {database disk image is malformed}}

do_execsql_test 1.4.3 {
  SELECT quote(root) FROM t1_segdir
} {
  X'00057465726D610501020303000401620401058002010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010100'
}


do_execsql_test 1.5.1 {
  UPDATE t1_segdir SET root = 
  X'00057465726D61050102030300040162040105FF00010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010100'
}

do_catchsql_test 1.5.2 {
  SELECT snippet(t1) FROM t1 WHERE t1 MATCH 'term*'
} {1 {database disk image is malformed}}

do_catchsql_test 1.5.3 {
  INSERT INTO t1(t1) VALUES('integrity-check');
} {1 {database disk image is malformed}}

finish_test

Changes to test/fuzzdata8.db.

cannot compute difference between binary files

Changes to test/indexexpr1.test.

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# 2019-09-02 https://www.sqlite.org/src/tktview/57af00b6642ecd6848
# When the expression of an an index-on-expression references a
# table column of type REAL that is actually holding an MEM_IntReal
# value, be sure to use the REAL value and not the INT value when
# computing the expression.
#

do_execsql_test indexexpr-1800 {
  DROP TABLE IF EXISTS t0;
  CREATE TABLE t0(c0 REAL, c1 TEXT);
  CREATE INDEX i0 ON t0(+c0, c0);
  INSERT INTO t0(c0) VALUES(0);
  SELECT CAST(+ t0.c0 AS BLOB) LIKE 0 FROM t0; 
} {0}
do_execsql_test indexexpr-1810 {
  SELECT CAST(+ t0.c0 AS BLOB) LIKE '0.0' FROM t0; 
} {1}
do_execsql_test indexexpr-1820 {
  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1(x REAL);
  CREATE INDEX t1x ON t1(x, +x);
  INSERT INTO t1(x) VALUES(2);
  SELECT +x FROM t1 WHERE x=2;
} {2.0}


finish_test







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# 2019-09-02 https://www.sqlite.org/src/tktview/57af00b6642ecd6848
# When the expression of an an index-on-expression references a
# table column of type REAL that is actually holding an MEM_IntReal
# value, be sure to use the REAL value and not the INT value when
# computing the expression.
#
ifcapable like_match_blobs {
  do_execsql_test indexexpr-1800 {
    DROP TABLE IF EXISTS t0;
    CREATE TABLE t0(c0 REAL, c1 TEXT);
    CREATE INDEX i0 ON t0(+c0, c0);
    INSERT INTO t0(c0) VALUES(0);
    SELECT CAST(+ t0.c0 AS BLOB) LIKE 0 FROM t0; 
  } {0}
  do_execsql_test indexexpr-1810 {
    SELECT CAST(+ t0.c0 AS BLOB) LIKE '0.0' FROM t0; 
  } {1}
  do_execsql_test indexexpr-1820 {
    DROP TABLE IF EXISTS t1;
    CREATE TABLE t1(x REAL);
    CREATE INDEX t1x ON t1(x, +x);
    INSERT INTO t1(x) VALUES(2);
    SELECT +x FROM t1 WHERE x=2;
  } {2.0}
}

finish_test

Changes to test/instr.test.

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  SELECT instr(X'', 'abc')
} 0
do_execsql_test instr-1.64 {
  CREATE TABLE x1(a, b);
  INSERT INTO x1 VALUES(X'', 'abc');
  SELECT instr(a, b) FROM x1;
} 0






















finish_test








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  SELECT instr(X'', 'abc')
} 0
do_execsql_test instr-1.64 {
  CREATE TABLE x1(a, b);
  INSERT INTO x1 VALUES(X'', 'abc');
  SELECT instr(a, b) FROM x1;
} 0

# 2019-09-16 ticket https://www.sqlite.org/src/info/587791f92620090e
#
do_execsql_test instr-2.0 {
  DROP TABLE IF EXISTS t0;
  CREATE TABLE t0(c0 PRIMARY KEY, c1);
  INSERT INTO t0(c0) VALUES (x'bb'), (0);
  SELECT COUNT(*) FROM t0 WHERE INSTR(x'aabb', t0.c0) ORDER BY t0.c0, t0.c1;
} {1}
do_execsql_test instr-2.1 {
  SELECT quote(c0) FROM t0 WHERE INSTR(x'aabb', t0.c0) ORDER BY t0.c0, t0.c1;
} {X'BB'}
do_execsql_test instr-2.2 {
  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1(x);
  INSERT INTO t1(x) VALUES('text'),(x'bb');
  SELECT quote(x) FROM t1 WHERE instr(x'aabb',x);
} {X'BB'}
do_execsql_test instr-2.3 {
  SELECT quote(x) FROM t1 WHERE x>'zzz' AND instr(x'aabb',x);
} {X'BB'}

finish_test

Changes to test/like3.test.

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# Ticket https://www.sqlite.org/src/info/ce8717f0885af975
do_execsql_test like3-5.410 {
  DROP TABLE IF EXISTS t0;
  CREATE TABLE t0(c0 INT UNIQUE COLLATE NOCASE);
  INSERT INTO t0(c0) VALUES ('.1%');
  SELECT * FROM t0 WHERE t0.c0 LIKE '.1%';
} {.1%}















# 2019-02-27
# Verify that the LIKE optimization works with an ESCAPE clause when
# using PRAGMA case_sensitive_like=ON.
#
ifcapable !icu {







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# Ticket https://www.sqlite.org/src/info/ce8717f0885af975
do_execsql_test like3-5.410 {
  DROP TABLE IF EXISTS t0;
  CREATE TABLE t0(c0 INT UNIQUE COLLATE NOCASE);
  INSERT INTO t0(c0) VALUES ('.1%');
  SELECT * FROM t0 WHERE t0.c0 LIKE '.1%';
} {.1%}

# 2019-09-03
# Ticket https://www.sqlite.org/src/info/0f0428096f
do_execsql_test like3-5.420 {
  DROP TABLE IF EXISTS t0;
  CREATE TABLE t0(c0 UNIQUE);
  INSERT INTO t0(c0) VALUES(-1);
  SELECT * FROM t0 WHERE t0.c0 GLOB '-*';
} {-1}
do_execsql_test like3-5.421 {
  SELECT t0.c0 GLOB '-*' FROM t0;
} {1}



# 2019-02-27
# Verify that the LIKE optimization works with an ESCAPE clause when
# using PRAGMA case_sensitive_like=ON.
#
ifcapable !icu {

Added test/orderbyA.test.







































































































































































































































































































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# 2019-09-21
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# Specifically, it tests cases where the expressions in a GROUP BY 
# clause are the same as those in the ORDER BY clause.
# 

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set ::testprefix orderbyA

proc do_sortcount_test {tn sql cnt res} {
  set eqp [execsql "EXPLAIN QUERY PLAN $sql"]
  set rcnt [regexp -all {USE TEMP} $eqp]
  uplevel [list do_test         $tn.1 [list set {} $rcnt] $cnt]
  uplevel [list do_execsql_test $tn.2 $sql $res]
}

do_execsql_test 1.0 {
  CREATE TABLE t1(a, b, c);
  INSERT INTO t1 VALUES('one',   1, 11);
  INSERT INTO t1 VALUES('three', 7, 11);
  INSERT INTO t1 VALUES('one',   2, 11);
  INSERT INTO t1 VALUES('one',   3, 11);
  INSERT INTO t1 VALUES('two',   4, 11);
  INSERT INTO t1 VALUES('two',   6, 11);
  INSERT INTO t1 VALUES('three', 8, 11);
  INSERT INTO t1 VALUES('two',   5, 11);
  INSERT INTO t1 VALUES('three', 9, 11);
}

foreach {tn idx} {
  1 {}
  2 {CREATE INDEX i1 ON t1(a)}
  3 {CREATE INDEX i1 ON t1(a DESC)}
} {
  execsql { DROP INDEX IF EXISTS i1 }
  execsql $idx

  # $match is the number of temp-table sorts we expect if the GROUP BY
  # can use the same sort order as the ORDER BY. $nomatch is the number
  # of expected sorts if the GROUP BY and ORDER BY are not compatible.
  set match   1
  set nomatch 2
  if {$tn>=2} {
    set match   0
    set nomatch 1
  }

  do_sortcount_test 1.$tn.1.1 {
    SELECT a, sum(b) FROM t1 GROUP BY a ORDER BY a
  } $match {one 6 three 24 two 15}
  do_sortcount_test 1.$tn.1.2 {
    SELECT a, sum(b) FROM t1 GROUP BY a ORDER BY a DESC
  } $match {two 15 three 24 one 6}
  
  do_sortcount_test 1.$tn.2.1 {
    SELECT a, sum(b) FROM t1 GROUP BY a ORDER BY a||''
  } $nomatch {one 6 three 24 two 15}
  do_sortcount_test 1.$tn.2.2 {
    SELECT a, sum(b) FROM t1 GROUP BY a ORDER BY a||'' DESC
  } $nomatch {two 15 three 24 one 6}
  
  do_sortcount_test 1.$tn.3.1 {
    SELECT a, sum(b) FROM t1 GROUP BY a ORDER BY a NULLS LAST
  } $nomatch {one 6 three 24 two 15}
  do_sortcount_test 1.$tn.3.2 {
    SELECT a, sum(b) FROM t1 GROUP BY a ORDER BY a DESC NULLS FIRST
  } $nomatch {two 15 three 24 one 6}
}

#-------------------------------------------------------------------------
do_execsql_test 2.0 {
  CREATE TABLE t2(a, b, c);
  INSERT INTO t2 VALUES(1, 'one', 1);
  INSERT INTO t2 VALUES(1, 'two', 2);
  INSERT INTO t2 VALUES(1, 'one', 3);
  INSERT INTO t2 VALUES(1, 'two', 4);
  INSERT INTO t2 VALUES(1, 'one', 5);
  INSERT INTO t2 VALUES(1, 'two', 6);

  INSERT INTO t2 VALUES(2, 'one', 7);
  INSERT INTO t2 VALUES(2, 'two', 8);
  INSERT INTO t2 VALUES(2, 'one', 9);
  INSERT INTO t2 VALUES(2, 'two', 10);
  INSERT INTO t2 VALUES(2, 'one', 11);
  INSERT INTO t2 VALUES(2, 'two', 12);

  INSERT INTO t2 VALUES(NULL, 'one', 13);
  INSERT INTO t2 VALUES(NULL, 'two', 14);
  INSERT INTO t2 VALUES(NULL, 'one', 15);
  INSERT INTO t2 VALUES(NULL, 'two', 16);
  INSERT INTO t2 VALUES(NULL, 'one', 17);
  INSERT INTO t2 VALUES(NULL, 'two', 18);
}

foreach {tn idx} {
  1 {}

  2 { CREATE INDEX i2 ON t2(a, b)           }
  3 { CREATE INDEX i2 ON t2(a DESC, b DESC) }

  4 { CREATE INDEX i2 ON t2(a, b DESC)      }
  5 { CREATE INDEX i2 ON t2(a DESC, b)      }
} {
  execsql { DROP INDEX IF EXISTS i2 }
  execsql $idx


  set nSort [expr ($tn==2 || $tn==3) ? 0 : 1]
  do_sortcount_test 2.$tn.1.1 {
    SELECT a, b, sum(c) FROM t2 GROUP BY a, b ORDER BY a, b;
  } $nSort {{} one 45  {} two 48  1 one 9  1 two 12  2 one 27  2 two 30}
  do_sortcount_test 2.$tn.1.2 {
    SELECT a, b, sum(c) FROM t2 GROUP BY a, b ORDER BY a DESC, b DESC;
  } $nSort {2 two 30  2 one 27  1 two 12  1 one 9  {} two 48  {} one 45}

  set nSort [expr ($tn==4 || $tn==5) ? 0 : 1]
  do_sortcount_test 2.$tn.2.1 {
    SELECT a, b, sum(c) FROM t2 GROUP BY a, b ORDER BY a, b DESC;
  } $nSort { {} two 48  {} one 45  1 two 12  1 one 9  2 two 30 2 one 27 }
  do_sortcount_test 2.$tn.2.2 {
    SELECT a, b, sum(c) FROM t2 GROUP BY a, b ORDER BY a DESC, b;
  } $nSort { 2 one 27  2 two 30  1 one 9  1 two 12  {} one 45 {} two 48 }

  # ORDER BY can never piggyback on the GROUP BY sort if it uses 
  # non-standard NULLS behaviour.
  set nSort [expr $tn==1 ? 2 : 1]
  do_sortcount_test 2.$tn.3.1 {
    SELECT a, b, sum(c) FROM t2 GROUP BY a, b ORDER BY a, b DESC NULLS FIRST;
  } $nSort { {} two 48  {} one 45  1 two 12  1 one 9  2 two 30 2 one 27 }
  do_sortcount_test 2.$tn.3.2 {
    SELECT a, b, sum(c) FROM t2 GROUP BY a, b ORDER BY a DESC, b NULLS LAST;
  } $nSort { 2 one 27  2 two 30  1 one 9  1 two 12  {} one 45 {} two 48 }
}


finish_test

Changes to test/pragma.test.

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sqlite3 db2 test.db
do_test 23.1 {
  db eval {
    CREATE TABLE t1(a INTEGER PRIMARY KEY,b,c,d);
    CREATE INDEX i1 ON t1(b,c);
    CREATE INDEX i2 ON t1(c,d);
    CREATE INDEX i2x ON t1(d COLLATE nocase, c DESC);

    CREATE TABLE t2(x INTEGER REFERENCES t1);
  }
  db2 eval {SELECT name FROM sqlite_master}
} {t1 i1 i2 i2x t2}
do_test 23.2a {
  db eval {
    DROP INDEX i2;
    CREATE INDEX i2 ON t1(c,d,b);
  }
  capture_pragma db2 out {PRAGMA index_info(i2)}
  db2 eval {SELECT cid, name, '|' FROM out ORDER BY seqno}
................................................................................
} {2 c 0 BINARY 1 | 3 d 0 BINARY 1 | 1 b 0 BINARY 1 | -1 {} 0 BINARY 0 |}

# (The first column of output from PRAGMA index_xinfo is...)
# EVIDENCE-OF: R-00197-14279 The rank of the column within the index. (0
# means left-most. Key columns come before auxiliary columns.)
#
# (The second column of output from PRAGMA index_xinfo is...)
# EVIDENCE-OF: R-40889-06838 The rank of the column within the table
# being indexed, or -1 if the index-column is the rowid of the table
# being indexed.
#
# (The third column of output from PRAGMA index_xinfo is...)
# EVIDENCE-OF: R-22751-28901 The name of the column being indexed, or
# NULL if the index-column is the rowid of the table being indexed.

#
# (The fourth column of output from PRAGMA index_xinfo is...)
# EVIDENCE-OF: R-11847-09179 1 if the index-column is sorted in reverse
# (DESC) order by the index and 0 otherwise.
#
# (The fifth column of output from PRAGMA index_xinfo is...)
# EVIDENCE-OF: R-15313-19540 The name for the collating sequence used to
................................................................................
#
do_test 23.2c {
  db2 eval {PRAGMA index_xinfo(i2)}
} {0 2 c 0 BINARY 1 1 3 d 0 BINARY 1 2 1 b 0 BINARY 1 3 -1 {} 0 BINARY 0}
do_test 23.2d {
  db2 eval {PRAGMA index_xinfo(i2x)}
} {0 3 d 0 nocase 1 1 2 c 1 BINARY 1 2 -1 {} 0 BINARY 0}




# EVIDENCE-OF: R-64103-17776 PRAGMA schema.index_list(table-name); This
# pragma returns one row for each index associated with the given table.
#
# (The first column of output from PRAGMA index_list is...)
# EVIDENCE-OF: R-02753-24748 A sequence number assigned to each index
# for internal tracking purposes.
................................................................................
# (The fourth column of output from PRAGMA index_list is...)
# EVIDENCE-OF: R-36609-39554 "c" if the index was created by a CREATE
# INDEX statement, "u" if the index was created by a UNIQUE constraint,
# or "pk" if the index was created by a PRIMARY KEY constraint.
#
do_test 23.3 {
  db eval {

    CREATE INDEX i3 ON t1(d,b,c);
  }
  capture_pragma db2 out {PRAGMA index_list(t1)}
  db2 eval {SELECT seq, name, "unique", origin, '|' FROM out ORDER BY seq}
} {0 i3 0 c | 1 i2 0 c | 2 i2x 0 c | 3 i1 0 c |}
do_test 23.4 {
  db eval {







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sqlite3 db2 test.db
do_test 23.1 {
  db eval {
    CREATE TABLE t1(a INTEGER PRIMARY KEY,b,c,d);
    CREATE INDEX i1 ON t1(b,c);
    CREATE INDEX i2 ON t1(c,d);
    CREATE INDEX i2x ON t1(d COLLATE nocase, c DESC);
    CREATE INDEX i3 ON t1(d,b+c,c);
    CREATE TABLE t2(x INTEGER REFERENCES t1);
  }
  db2 eval {SELECT name FROM sqlite_master}
} {t1 i1 i2 i2x i3 t2}
do_test 23.2a {
  db eval {
    DROP INDEX i2;
    CREATE INDEX i2 ON t1(c,d,b);
  }
  capture_pragma db2 out {PRAGMA index_info(i2)}
  db2 eval {SELECT cid, name, '|' FROM out ORDER BY seqno}
................................................................................
} {2 c 0 BINARY 1 | 3 d 0 BINARY 1 | 1 b 0 BINARY 1 | -1 {} 0 BINARY 0 |}

# (The first column of output from PRAGMA index_xinfo is...)
# EVIDENCE-OF: R-00197-14279 The rank of the column within the index. (0
# means left-most. Key columns come before auxiliary columns.)
#
# (The second column of output from PRAGMA index_xinfo is...)
# EVIDENCE-OF: R-06603-49335 The rank of the column within the table
# being indexed, or -1 if the index-column is the rowid of the table
# being indexed and -2 if the index is on an expression.
#
# (The third column of output from PRAGMA index_xinfo is...)
# EVIDENCE-OF: R-40641-22898 The name of the column being indexed, or
# NULL if the index-column is the rowid of the table being indexed or an
# expression.
#
# (The fourth column of output from PRAGMA index_xinfo is...)
# EVIDENCE-OF: R-11847-09179 1 if the index-column is sorted in reverse
# (DESC) order by the index and 0 otherwise.
#
# (The fifth column of output from PRAGMA index_xinfo is...)
# EVIDENCE-OF: R-15313-19540 The name for the collating sequence used to
................................................................................
#
do_test 23.2c {
  db2 eval {PRAGMA index_xinfo(i2)}
} {0 2 c 0 BINARY 1 1 3 d 0 BINARY 1 2 1 b 0 BINARY 1 3 -1 {} 0 BINARY 0}
do_test 23.2d {
  db2 eval {PRAGMA index_xinfo(i2x)}
} {0 3 d 0 nocase 1 1 2 c 1 BINARY 1 2 -1 {} 0 BINARY 0}
do_test 23.2e {
  db2 eval {PRAGMA index_xinfo(i3)}
} {0 3 d 0 BINARY 1 1 -2 {} 0 BINARY 1 2 2 c 0 BINARY 1 3 -1 {} 0 BINARY 0}

# EVIDENCE-OF: R-64103-17776 PRAGMA schema.index_list(table-name); This
# pragma returns one row for each index associated with the given table.
#
# (The first column of output from PRAGMA index_list is...)
# EVIDENCE-OF: R-02753-24748 A sequence number assigned to each index
# for internal tracking purposes.
................................................................................
# (The fourth column of output from PRAGMA index_list is...)
# EVIDENCE-OF: R-36609-39554 "c" if the index was created by a CREATE
# INDEX statement, "u" if the index was created by a UNIQUE constraint,
# or "pk" if the index was created by a PRIMARY KEY constraint.
#
do_test 23.3 {
  db eval {
    DROP INDEX IF EXISTS i3;
    CREATE INDEX i3 ON t1(d,b,c);
  }
  capture_pragma db2 out {PRAGMA index_list(t1)}
  db2 eval {SELECT seq, name, "unique", origin, '|' FROM out ORDER BY seq}
} {0 i3 0 c | 1 i2 0 c | 2 i2x 0 c | 3 i1 0 c |}
do_test 23.4 {
  db eval {

Changes to test/releasetest_data.tcl.

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    if {[string range $config end end]=="*"} {
      set bNosynthetic 1
      set config [string range $config 0 end-1]
    }
    puts "$config \"$target\""
    if {$bNodebug==0 && $bNosynthetic==0} {
      set iHas [string first SQLITE_DEBUG $::Configs($config)]




      if {$iHas>=0} {
        puts "$config-ndebug \"test\""
      } else {
        puts "$config-debug \"test\""
      }
    }
  }
}

if {[llength $argv]==0} { usage }
set cmd [lindex $argv 0]







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    if {[string range $config end end]=="*"} {
      set bNosynthetic 1
      set config [string range $config 0 end-1]
    }
    puts "$config \"$target\""
    if {$bNodebug==0 && $bNosynthetic==0} {
      set iHas [string first SQLITE_DEBUG $::Configs($config)]
      set dtarget test
      if {$target=="tcltest"} {
        set dtarget tcltest
      }
      if {$iHas>=0} {
        puts "$config-ndebug \"$dtarget\""
      } else {
        puts "$config-debug \"$dtarget\""
      }
    }
  }
}

if {[llength $argv]==0} { usage }
set cmd [lindex $argv 0]

Changes to test/tkt-3a77c9714e.test.

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# 2011 December 06
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
................................................................................
        SELECT SrcWord, B.Id as BeginningId, B.Title || E.Title As Connected
        FROM Beginnings B LEFT JOIN Endings E ON B.EndingId=E.EndingId
        WHERE Connected=SrcWord LIMIT 1
      )
    )
} {FACTORING FACTOR SWIMMING SWIMM} 
















finish_test
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# 2011-12-06
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
................................................................................
        SELECT SrcWord, B.Id as BeginningId, B.Title || E.Title As Connected
        FROM Beginnings B LEFT JOIN Endings E ON B.EndingId=E.EndingId
        WHERE Connected=SrcWord LIMIT 1
      )
    )
} {FACTORING FACTOR SWIMMING SWIMM} 

# Similar problem discovered by dbsqlfuzz on 2019-09-18
#
do_execsql_test 3.0 {
  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1(i INT PRIMARY KEY, a, b);
  INSERT INTO t1 VALUES(NULL,'one','i');
  CREATE INDEX i1a ON t1(a);
  CREATE INDEX i1b ON t1(b);
  SELECT (SELECT 1
            FROM (SELECT 1 FROM t1 WHERE a=1 OR b='i')
           WHERE a='o'
              OR b IN (SELECT a=('b' IN (SELECT 'a'))))
    FROM t1;
} {{}}

finish_test

Changes to test/tkt-b75a9ca6b0.test.

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  6 "SELECT * FROM t1 GROUP BY y ORDER BY x"
  {1 3  2 2  3 1} {$tblscan*$grpsort*$sort}

  7 "SELECT * FROM t1 GROUP BY x, y ORDER BY x, y DESC"
  {1 3  2 2  3 1} {$idxscan*$sort}

  8 "SELECT * FROM t1 GROUP BY x, y ORDER BY x DESC, y DESC"
  {3 1  2 2  1 3} {$idxscan*$sort}

  9 "SELECT * FROM t1 GROUP BY x, y ORDER BY x ASC, y ASC"
  {1 3  2 2  3 1} {$idxscan}

  10 "SELECT * FROM t1 GROUP BY x, y ORDER BY x COLLATE nocase, y"
  {1 3  2 2  3 1} {$idxscan*$sort}








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  6 "SELECT * FROM t1 GROUP BY y ORDER BY x"
  {1 3  2 2  3 1} {$tblscan*$grpsort*$sort}

  7 "SELECT * FROM t1 GROUP BY x, y ORDER BY x, y DESC"
  {1 3  2 2  3 1} {$idxscan*$sort}

  8 "SELECT * FROM t1 GROUP BY x, y ORDER BY x DESC, y DESC"
  {3 1  2 2  1 3} {$idxscan}

  9 "SELECT * FROM t1 GROUP BY x, y ORDER BY x ASC, y ASC"
  {1 3  2 2  3 1} {$idxscan}

  10 "SELECT * FROM t1 GROUP BY x, y ORDER BY x COLLATE nocase, y"
  {1 3  2 2  3 1} {$idxscan*$sort}

Changes to test/window2.tcl.

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  SELECT count(*) OVER (ORDER BY b) FROM t1
}

execsql_test 4.11 {
  SELECT count(distinct a) FILTER (WHERE b='odd') FROM t1
}

















finish_test









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  SELECT count(*) OVER (ORDER BY b) FROM t1
}

execsql_test 4.11 {
  SELECT count(distinct a) FILTER (WHERE b='odd') FROM t1
}

==========

execsql_test 5.0 {
  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1(x INTEGER, y INTEGER);
  INSERT INTO t1 VALUES(10, 1);
  INSERT INTO t1 VALUES(20, 2);
  INSERT INTO t1 VALUES(3, 3);
  INSERT INTO t1 VALUES(2, 4);
  INSERT INTO t1 VALUES(1, 5);
}

execsql_float_test 5.1 {
  SELECT avg(x) OVER (ORDER BY y) AS z FROM t1 ORDER BY z;
}

finish_test


Changes to test/window2.test.

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do_execsql_test 4.10 {
  SELECT count(*) OVER (ORDER BY b) FROM t1
} {3   3   3   6   6   6}

do_execsql_test 4.11 {
  SELECT count(distinct a) FILTER (WHERE b='odd') FROM t1
} {3}






























finish_test








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do_execsql_test 4.10 {
  SELECT count(*) OVER (ORDER BY b) FROM t1
} {3   3   3   6   6   6}

do_execsql_test 4.11 {
  SELECT count(distinct a) FILTER (WHERE b='odd') FROM t1
} {3}

#==========================================================================

do_execsql_test 5.0 {
  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1(x INTEGER, y INTEGER);
  INSERT INTO t1 VALUES(10, 1);
  INSERT INTO t1 VALUES(20, 2);
  INSERT INTO t1 VALUES(3, 3);
  INSERT INTO t1 VALUES(2, 4);
  INSERT INTO t1 VALUES(1, 5);
} {}


do_test 5.1 {
  set myres {}
  foreach r [db eval {SELECT avg(x) OVER (ORDER BY y) AS z FROM t1 ORDER BY z;}] {
    lappend myres [format %.4f [set r]]
  }
  set res2 {7.2000 8.7500 10.0000 11.0000 15.0000}
  set i 0
  foreach r [set myres] r2 [set res2] {
    if {[set r]<([set r2]-0.0001) || [set r]>([set r2]+0.0001)} {
      error "list element [set i] does not match: got=[set r] expected=[set r2]"
    }
    incr i
  }
  set {} {}
} {}

finish_test

Changes to test/window9.test.

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do_execsql_test 6.2 {
  SELECT * FROM t0 WHERE EXISTS (
    SELECT MIN(c0) OVER (), CUME_DIST() OVER () FROM t0
  ) 
  BETWEEN 1 AND 1;
} {0}






































finish_test








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do_execsql_test 6.2 {
  SELECT * FROM t0 WHERE EXISTS (
    SELECT MIN(c0) OVER (), CUME_DIST() OVER () FROM t0
  ) 
  BETWEEN 1 AND 1;
} {0}

#-------------------------------------------------------------------------
reset_db
do_execsql_test 7.0 {
  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1(x, y);
  INSERT INTO t1 VALUES(10, 1);
  INSERT INTO t1 VALUES(20, 2);
  INSERT INTO t1 VALUES(3, 3);
  INSERT INTO t1 VALUES(2, 4);
  INSERT INTO t1 VALUES(1, 5);
} {}


do_execsql_test 7.1 {
  SELECT avg(x) OVER (ORDER BY y) AS z FROM t1 ORDER BY z
} {
  7.2 8.75 10.0 11.0 15.0
}

do_execsql_test 7.2 {
  SELECT avg(x) OVER (ORDER BY y) z FROM t1 ORDER BY (z IS y);
} {
  10.0 15.0 11.0 8.75 7.2
}

do_execsql_test 7.3 {
  SELECT avg(x) OVER (ORDER BY y) z FROM t1 ORDER BY (y IS z);
} {
  10.0 15.0 11.0 8.75 7.2
}

do_execsql_test 7.4 {
  SELECT avg(x) OVER (ORDER BY y) z FROM t1 ORDER BY z + 0.0;
} {
  7.2 8.75 10.0 11.0 15.0
}

finish_test

Changes to test/windowB.test.

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  BY fake_column))
  SELECT * FROM y;
} {1 {no such column: fake_column}}

do_catchsql_test 4.3 {
  SELECT 1 WINDOW win AS (PARTITION BY fake_column);
} {0 1}











































































































finish_test








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  BY fake_column))
  SELECT * FROM y;
} {1 {no such column: fake_column}}

do_catchsql_test 4.3 {
  SELECT 1 WINDOW win AS (PARTITION BY fake_column);
} {0 1}

#-------------------------------------------------------------------------
reset_db
do_execsql_test 5.0 {
  CREATE TABLE t1(a, c);
  CREATE INDEX i1 ON t1(a);

  INSERT INTO t1 VALUES(0, 421);
  INSERT INTO t1 VALUES(1, 844);
  INSERT INTO t1 VALUES(2, 1001);
}

do_execsql_test 5.1 {
  SELECT a, sum(c) OVER (
    ORDER BY a RANGE BETWEEN 0 PRECEDING AND 3 PRECEDING
  ) FROM t1;
} {0 {} 1 {} 2 {}}

do_execsql_test 5.2 {
  INSERT INTO t1 VALUES(NULL, 123);
  INSERT INTO t1 VALUES(NULL, 111);
  INSERT INTO t1 VALUES('xyz', 222);
  INSERT INTO t1 VALUES('xyz', 333);

  SELECT a, sum(c) OVER (
    ORDER BY a RANGE BETWEEN 0 PRECEDING AND 3 PRECEDING
  ) FROM t1;
} {{} 234 {} 234 0 {} 1 {} 2 {} xyz 555 xyz 555}

do_execsql_test 5.3 {
  SELECT a, sum(c) OVER (
    ORDER BY a RANGE BETWEEN 2 FOLLOWING AND 0 FOLLOWING
  ) FROM t1;
} {{} 234 {} 234 0 {} 1 {} 2 {} xyz 555 xyz 555}

do_execsql_test 5.4 {
  SELECT a, sum(c) OVER (
    ORDER BY a RANGE BETWEEN 0 PRECEDING AND 3 PRECEDING EXCLUDE NO OTHERS
  ) FROM t1;
} {{} 234 {} 234 0 {} 1 {} 2 {} xyz 555 xyz 555}

do_execsql_test 5.5 {
  SELECT a, sum(c) OVER (
    ORDER BY a RANGE BETWEEN 2 FOLLOWING AND 0 FOLLOWING EXCLUDE NO OTHERS
  ) FROM t1;
} {{} 234 {} 234 0 {} 1 {} 2 {} xyz 555 xyz 555}

#-------------------------------------------------------------------------
reset_db
do_execsql_test 6.0 {
  CREATE TABLE t1(a, c);
  CREATE INDEX i1 ON t1(a);

  INSERT INTO t1 VALUES(7,  997);
  INSERT INTO t1 VALUES(8,  997);
  INSERT INTO t1 VALUES('abc', 1001);
}
do_execsql_test 6.1 {
  SELECT a, sum(c) OVER (
    ORDER BY a RANGE BETWEEN 2 FOLLOWING AND 0 FOLLOWING 
  ) FROM t1;
} {7 {} 8 {} abc 1001} 
do_execsql_test 6.2 {
  SELECT a, sum(c) OVER (
    ORDER BY a RANGE BETWEEN 2 FOLLOWING AND 0 FOLLOWING EXCLUDE NO OTHERS
  ) FROM t1;
} {7 {} 8 {} abc 1001} 

#-------------------------------------------------------------------------
reset_db
do_execsql_test 7.0 {
  CREATE TABLE t1(a, c);
  CREATE INDEX i1 ON t1(a);

  INSERT INTO t1 VALUES(NULL, 46);
  INSERT INTO t1 VALUES(NULL, 45);
  INSERT INTO t1 VALUES(7,  997);
  INSERT INTO t1 VALUES(7,  1000);
  INSERT INTO t1 VALUES(8,  997);
  INSERT INTO t1 VALUES(8,  1000);
  INSERT INTO t1 VALUES('abc', 1001);
  INSERT INTO t1 VALUES('abc', 1004);
  INSERT INTO t1 VALUES('xyz', 3333);
}

do_execsql_test 7.1 {
  SELECT a, max(c) OVER (
    ORDER BY a RANGE BETWEEN 2 FOLLOWING AND 0 FOLLOWING
  ) FROM t1;
} {{} 46 {} 46  7 {} 7 {} 8 {} 8 {}  abc 1004 abc 1004 xyz 3333}
do_execsql_test 7.2 {
  SELECT a, min(c) OVER (
    ORDER BY a RANGE BETWEEN 2 FOLLOWING AND 0 FOLLOWING
  ) FROM t1;
} {{} 45 {} 45  7 {} 7 {} 8 {} 8 {}  abc 1001 abc 1001 xyz 3333}

do_execsql_test 7.3 {
  SELECT a, max(c) OVER (
    ORDER BY a RANGE BETWEEN 0 PRECEDING AND 2 PRECEDING
  ) FROM t1;
} {{} 46 {} 46  7 {} 7 {} 8 {} 8 {}  abc 1004 abc 1004 xyz 3333}
do_execsql_test 7.4 {
  SELECT a, min(c) OVER (
    ORDER BY a RANGE BETWEEN 0 PRECEDING AND 2 PRECEDING
  ) FROM t1;
} {{} 45 {} 45  7 {} 7 {} 8 {} 8 {}  abc 1001 abc 1001 xyz 3333}

finish_test

Changes to tool/speed-check.sh.

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        ;;
    --without-rowid)
        SPEEDTEST_OPTS="$SPEEDTEST_OPTS $1"
        ;;
    --nomemstat)
        SPEEDTEST_OPTS="$SPEEDTEST_OPTS $1"
        ;;









    --temp)
        SPEEDTEST_OPTS="$SPEEDTEST_OPTS --temp 6"
        ;;
    --legacy)
	doWal=0
        ;;
    --wal)







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        ;;
    --without-rowid)
        SPEEDTEST_OPTS="$SPEEDTEST_OPTS $1"
        ;;
    --nomemstat)
        SPEEDTEST_OPTS="$SPEEDTEST_OPTS $1"
        ;;
    --multithread)
        SPEEDTEST_OPTS="$SPEEDTEST_OPTS $1"
        ;;
    --singlethread)
        SPEEDTEST_OPTS="$SPEEDTEST_OPTS $1"
        ;;
    --serialized)
        SPEEDTEST_OPTS="$SPEEDTEST_OPTS $1"
        ;;
    --temp)
        SPEEDTEST_OPTS="$SPEEDTEST_OPTS --temp 6"
        ;;
    --legacy)
	doWal=0
        ;;
    --wal)