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Overview
Comment:Merge recent changes to trunk into sessions branch.
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Timelines: family | ancestors | descendants | both | sessions
Files: files | file ages | folders
SHA1:62adb0e0d70e619becb68ffd2625d979bcc777cd
User & Date: dan 2013-03-12 11:38:59
Context
2013-03-13
06:34
Merge latest trunk changes into this branch. check-in: d6cd3c78 user: dan tags: sessions
2013-03-12
11:38
Merge recent changes to trunk into sessions branch. check-in: 62adb0e0 user: dan tags: sessions
2013-03-11
13:37
Define _BSD_SOURCE when building on OpenBSD. This is required for fchmod(). check-in: f9027cb4 user: dan tags: trunk
2013-03-06
02:12
Merge all the latest trunk changes into the sessions branch. check-in: d69d2190 user: drh tags: sessions
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/btree.c.

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** This routine is used to extract the "offset to cell content area" value
** from the header of a btree page.  If the page size is 65536 and the page
** is empty, the offset should be 65536, but the 2-byte value stores zero.
** This routine makes the necessary adjustment to 65536.
*/
#define get2byteNotZero(X)  (((((int)get2byte(X))-1)&0xffff)+1)




















#ifndef SQLITE_OMIT_SHARED_CACHE
/*
** A list of BtShared objects that are eligible for participation
** in shared cache.  This variable has file scope during normal builds,
** but the test harness needs to access it so we make it global for 
** test builds.
**
................................................................................
  /* If the btree is already in a write-transaction, or it
  ** is already in a read-transaction and a read-transaction
  ** is requested, this is a no-op.
  */
  if( p->inTrans==TRANS_WRITE || (p->inTrans==TRANS_READ && !wrflag) ){
    goto trans_begun;
  }
  assert( pBt->bDoTruncate==0 );

  /* Write transactions are not possible on a read-only database */
  if( (pBt->btsFlags & BTS_READ_ONLY)!=0 && wrflag ){
    rc = SQLITE_READONLY;
    goto trans_begun;
  }

................................................................................
    }
  }
  return rc;
}

/* Forward declaration required by incrVacuumStep(). */
static int allocateBtreePage(BtShared *, MemPage **, Pgno *, Pgno, u8);
#define BTALLOC_ANY   0           /* Allocate any page */
#define BTALLOC_EXACT 1           /* Allocate exact page if possible */
#define BTALLOC_LE    2           /* Allocate any page <= the parameter */

/*
** Perform a single step of an incremental-vacuum. If successful, return
** SQLITE_OK. If there is no work to do (and therefore no point in 
** calling this function again), return SQLITE_DONE. Or, if an error 
** occurs, return some other error code.
**
................................................................................
  u32 n;     /* Number of pages on the freelist */
  u32 k;     /* Number of leaves on the trunk of the freelist */
  MemPage *pTrunk = 0;
  MemPage *pPrevTrunk = 0;
  Pgno mxPage;     /* Total size of the database file */

  assert( sqlite3_mutex_held(pBt->mutex) );
  assert( eMode==BTALLOC_ANY || (nearby>0 && pBt->autoVacuum) );
  pPage1 = pBt->pPage1;
  mxPage = btreePagecount(pBt);
  n = get4byte(&pPage1->aData[36]);
  testcase( n==mxPage-1 );
  if( n>=mxPage ){
    return SQLITE_CORRUPT_BKPT;
  }
................................................................................
    **
    ** Note that the pager will not actually attempt to load or journal 
    ** content for any page that really does lie past the end of the database
    ** file on disk. So the effects of disabling the no-content optimization
    ** here are confined to those pages that lie between the end of the
    ** database image and the end of the database file.
    */
    int bNoContent = (0==pBt->bDoTruncate);

    rc = sqlite3PagerWrite(pBt->pPage1->pDbPage);
    if( rc ) return rc;
    pBt->nPage++;
    if( pBt->nPage==PENDING_BYTE_PAGE(pBt) ) pBt->nPage++;

#ifndef SQLITE_OMIT_AUTOVACUUM







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** This routine is used to extract the "offset to cell content area" value
** from the header of a btree page.  If the page size is 65536 and the page
** is empty, the offset should be 65536, but the 2-byte value stores zero.
** This routine makes the necessary adjustment to 65536.
*/
#define get2byteNotZero(X)  (((((int)get2byte(X))-1)&0xffff)+1)

/*
** Values passed as the 5th argument to allocateBtreePage()
*/
#define BTALLOC_ANY   0           /* Allocate any page */
#define BTALLOC_EXACT 1           /* Allocate exact page if possible */
#define BTALLOC_LE    2           /* Allocate any page <= the parameter */

/*
** Macro IfNotOmitAV(x) returns (x) if SQLITE_OMIT_AUTOVACUUM is not 
** defined, or 0 if it is. For example:
**
**   bIncrVacuum = IfNotOmitAV(pBtShared->incrVacuum);
*/
#ifndef SQLITE_OMIT_AUTOVACUUM
#define IfNotOmitAV(expr) (expr)
#else
#define IfNotOmitAV(expr) 0
#endif

#ifndef SQLITE_OMIT_SHARED_CACHE
/*
** A list of BtShared objects that are eligible for participation
** in shared cache.  This variable has file scope during normal builds,
** but the test harness needs to access it so we make it global for 
** test builds.
**
................................................................................
  /* If the btree is already in a write-transaction, or it
  ** is already in a read-transaction and a read-transaction
  ** is requested, this is a no-op.
  */
  if( p->inTrans==TRANS_WRITE || (p->inTrans==TRANS_READ && !wrflag) ){
    goto trans_begun;
  }
  assert( IfNotOmitAV(pBt->bDoTruncate)==0 );

  /* Write transactions are not possible on a read-only database */
  if( (pBt->btsFlags & BTS_READ_ONLY)!=0 && wrflag ){
    rc = SQLITE_READONLY;
    goto trans_begun;
  }

................................................................................
    }
  }
  return rc;
}

/* Forward declaration required by incrVacuumStep(). */
static int allocateBtreePage(BtShared *, MemPage **, Pgno *, Pgno, u8);




/*
** Perform a single step of an incremental-vacuum. If successful, return
** SQLITE_OK. If there is no work to do (and therefore no point in 
** calling this function again), return SQLITE_DONE. Or, if an error 
** occurs, return some other error code.
**
................................................................................
  u32 n;     /* Number of pages on the freelist */
  u32 k;     /* Number of leaves on the trunk of the freelist */
  MemPage *pTrunk = 0;
  MemPage *pPrevTrunk = 0;
  Pgno mxPage;     /* Total size of the database file */

  assert( sqlite3_mutex_held(pBt->mutex) );
  assert( eMode==BTALLOC_ANY || (nearby>0 && IfNotOmitAV(pBt->autoVacuum)) );
  pPage1 = pBt->pPage1;
  mxPage = btreePagecount(pBt);
  n = get4byte(&pPage1->aData[36]);
  testcase( n==mxPage-1 );
  if( n>=mxPage ){
    return SQLITE_CORRUPT_BKPT;
  }
................................................................................
    **
    ** Note that the pager will not actually attempt to load or journal 
    ** content for any page that really does lie past the end of the database
    ** file on disk. So the effects of disabling the no-content optimization
    ** here are confined to those pages that lie between the end of the
    ** database image and the end of the database file.
    */
    int bNoContent = (0==IfNotOmitAV(pBt->bDoTruncate));

    rc = sqlite3PagerWrite(pBt->pPage1->pDbPage);
    if( rc ) return rc;
    pBt->nPage++;
    if( pBt->nPage==PENDING_BYTE_PAGE(pBt) ) pBt->nPage++;

#ifndef SQLITE_OMIT_AUTOVACUUM

Changes to src/delete.c.

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void sqlite3MaterializeView(
  Parse *pParse,       /* Parsing context */
  Table *pView,        /* View definition */
  Expr *pWhere,        /* Optional WHERE clause to be added */
  int iCur             /* Cursor number for ephemerial table */
){
  SelectDest dest;
  Select *pDup;

  sqlite3 *db = pParse->db;

  pDup = sqlite3SelectDup(db, pView->pSelect, 0);
  if( pWhere ){
    SrcList *pFrom;
    
    pWhere = sqlite3ExprDup(db, pWhere, 0);
    pFrom = sqlite3SrcListAppend(db, 0, 0, 0);

    if( pFrom ){
      assert( pFrom->nSrc==1 );
      pFrom->a[0].zAlias = sqlite3DbStrDup(db, pView->zName);
      pFrom->a[0].pSelect = pDup;

      assert( pFrom->a[0].pOn==0 );
      assert( pFrom->a[0].pUsing==0 );
    }else{
      sqlite3SelectDelete(db, pDup);
    }

    pDup = sqlite3SelectNew(pParse, 0, pFrom, pWhere, 0, 0, 0, 0, 0, 0);
    if( pDup ) pDup->selFlags |= SF_Materialize;
  }
  sqlite3SelectDestInit(&dest, SRT_EphemTab, iCur);
  sqlite3Select(pParse, pDup, &dest);
  sqlite3SelectDelete(db, pDup);
}
#endif /* !defined(SQLITE_OMIT_VIEW) && !defined(SQLITE_OMIT_TRIGGER) */

#if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) && !defined(SQLITE_OMIT_SUBQUERY)
/*
** Generate an expression tree to implement the WHERE, ORDER BY,
** and LIMIT/OFFSET portion of DELETE and UPDATE statements.







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void sqlite3MaterializeView(
  Parse *pParse,       /* Parsing context */
  Table *pView,        /* View definition */
  Expr *pWhere,        /* Optional WHERE clause to be added */
  int iCur             /* Cursor number for ephemerial table */
){
  SelectDest dest;
  Select *pSel;
  SrcList *pFrom;
  sqlite3 *db = pParse->db;

  int iDb = sqlite3SchemaToIndex(db, pView->pSchema);



  pWhere = sqlite3ExprDup(db, pWhere, 0);
  pFrom = sqlite3SrcListAppend(db, 0, 0, 0);

  if( pFrom ){
    assert( pFrom->nSrc==1 );
    pFrom->a[0].zName = sqlite3DbStrDup(db, pView->zName);

    pFrom->a[0].zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zName);
    assert( pFrom->a[0].pOn==0 );
    assert( pFrom->a[0].pUsing==0 );


  }

  pSel = sqlite3SelectNew(pParse, 0, pFrom, pWhere, 0, 0, 0, 0, 0, 0);
  if( pSel ) pSel->selFlags |= SF_Materialize;

  sqlite3SelectDestInit(&dest, SRT_EphemTab, iCur);
  sqlite3Select(pParse, pSel, &dest);
  sqlite3SelectDelete(db, pSel);
}
#endif /* !defined(SQLITE_OMIT_VIEW) && !defined(SQLITE_OMIT_TRIGGER) */

#if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) && !defined(SQLITE_OMIT_SUBQUERY)
/*
** Generate an expression tree to implement the WHERE, ORDER BY,
** and LIMIT/OFFSET portion of DELETE and UPDATE statements.

Changes to src/func.c.

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  }
  for(i=0; i<argc; i++){
    sqlite3_int64 x;
    unsigned c;
    x = sqlite3_value_int64(argv[i]);
    if( x<0 || x>0x10ffff ) x = 0xfffd;
    c = (unsigned)(x & 0x1fffff);
    if( c<=0xFFFF ){
      if( c>=0xd800 && c<=0xdfff ) c = 0xfffd;
      *zOut++ = (u8)(c&0x00FF);

      *zOut++ = (u8)((c>>8)&0x00FF);
    }else{

      *zOut++ = (u8)(((c>>10)&0x003F) + (((c-0x10000)>>10)&0x00C0));
      *zOut++ = (u8)(0x00D8 + (((c-0x10000)>>18)&0x03));
      *zOut++ = (u8)(c&0x00FF);
      *zOut++ = (u8)(0x00DC + ((c>>8)&0x03));
    }





  }
  sqlite3_result_text16le(context, (char*)z, (int)(zOut-z), sqlite3_free);
}

/*
** The hex() function.  Interpret the argument as a blob.  Return
** a hexadecimal rendering as text.
*/
static void hexFunc(







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  }
  for(i=0; i<argc; i++){
    sqlite3_int64 x;
    unsigned c;
    x = sqlite3_value_int64(argv[i]);
    if( x<0 || x>0x10ffff ) x = 0xfffd;
    c = (unsigned)(x & 0x1fffff);
    if( c<0x00080 ){

      *zOut++ = (u8)(c&0xFF);
    }else if( c<0x00800 ){
      *zOut++ = 0xC0 + (u8)((c>>6)&0x1F);

      *zOut++ = 0x80 + (u8)(c & 0x3F);
    }else if( c<0x10000 ){
      *zOut++ = 0xE0 + (u8)((c>>12)&0x0F);
      *zOut++ = 0x80 + (u8)((c>>6) & 0x3F);
      *zOut++ = 0x80 + (u8)(c & 0x3F);
    }else{
      *zOut++ = 0xF0 + (u8)((c>>18) & 0x07);
      *zOut++ = 0x80 + (u8)((c>>12) & 0x3F);
      *zOut++ = 0x80 + (u8)((c>>6) & 0x3F);
      *zOut++ = 0x80 + (u8)(c & 0x3F);
    }                                                    \
  }
  sqlite3_result_text(context, (char*)z, (int)(zOut-z), sqlite3_free);
}

/*
** The hex() function.  Interpret the argument as a blob.  Return
** a hexadecimal rendering as text.
*/
static void hexFunc(

Changes to src/pragma.c.

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        }
      }
    }
  }else
#endif /* !defined(SQLITE_OMIT_FOREIGN_KEY) */

#ifndef SQLITE_OMIT_FOREIGN_KEY

  if( sqlite3StrICmp(zLeft, "foreign_key_check")==0 ){
    FKey *pFK;             /* A foreign key constraint */
    Table *pTab;           /* Child table contain "REFERENCES" keyword */
    Table *pParent;        /* Parent table that child points to */
    Index *pIdx;           /* Index in the parent table */
    int i;                 /* Loop counter:  Foreign key number for pTab */
    int j;                 /* Loop counter:  Field of the foreign key */
................................................................................
        sqlite3VdbeResolveLabel(v, addrOk);
        sqlite3DbFree(db, aiCols);
      }
      sqlite3VdbeAddOp2(v, OP_Next, 0, addrTop+1);
      sqlite3VdbeJumpHere(v, addrTop);
    }
  }else

#endif /* !defined(SQLITE_OMIT_FOREIGN_KEY) */

#ifndef NDEBUG
  if( sqlite3StrICmp(zLeft, "parser_trace")==0 ){
    if( zRight ){
      if( sqlite3GetBoolean(zRight, 0) ){
        sqlite3ParserTrace(stderr, "parser: ");







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        }
      }
    }
  }else
#endif /* !defined(SQLITE_OMIT_FOREIGN_KEY) */

#ifndef SQLITE_OMIT_FOREIGN_KEY
#ifndef SQLITE_OMIT_TRIGGER
  if( sqlite3StrICmp(zLeft, "foreign_key_check")==0 ){
    FKey *pFK;             /* A foreign key constraint */
    Table *pTab;           /* Child table contain "REFERENCES" keyword */
    Table *pParent;        /* Parent table that child points to */
    Index *pIdx;           /* Index in the parent table */
    int i;                 /* Loop counter:  Foreign key number for pTab */
    int j;                 /* Loop counter:  Field of the foreign key */
................................................................................
        sqlite3VdbeResolveLabel(v, addrOk);
        sqlite3DbFree(db, aiCols);
      }
      sqlite3VdbeAddOp2(v, OP_Next, 0, addrTop+1);
      sqlite3VdbeJumpHere(v, addrTop);
    }
  }else
#endif /* !defined(SQLITE_OMIT_TRIGGER) */
#endif /* !defined(SQLITE_OMIT_FOREIGN_KEY) */

#ifndef NDEBUG
  if( sqlite3StrICmp(zLeft, "parser_trace")==0 ){
    if( zRight ){
      if( sqlite3GetBoolean(zRight, 0) ){
        sqlite3ParserTrace(stderr, "parser: ");

Changes to src/prepare.c.

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  /* If opening a non-empty database, check the text encoding. For the
  ** main database, set sqlite3.enc to the encoding of the main database.
  ** For an attached db, it is an error if the encoding is not the same
  ** as sqlite3.enc.
  */
  if( meta[BTREE_TEXT_ENCODING-1] ){  /* text encoding */
    if( iDb==0 ){

      u8 encoding;
      /* If opening the main database, set ENC(db). */
      encoding = (u8)meta[BTREE_TEXT_ENCODING-1] & 3;
      if( encoding==0 ) encoding = SQLITE_UTF8;
      ENC(db) = encoding;



    }else{
      /* If opening an attached database, the encoding much match ENC(db) */
      if( meta[BTREE_TEXT_ENCODING-1]!=ENC(db) ){
        sqlite3SetString(pzErrMsg, db, "attached databases must use the same"
            " text encoding as main database");
        rc = SQLITE_ERROR;
        goto initone_error_out;







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  /* If opening a non-empty database, check the text encoding. For the
  ** main database, set sqlite3.enc to the encoding of the main database.
  ** For an attached db, it is an error if the encoding is not the same
  ** as sqlite3.enc.
  */
  if( meta[BTREE_TEXT_ENCODING-1] ){  /* text encoding */
    if( iDb==0 ){
#ifndef SQLITE_OMIT_UTF16
      u8 encoding;
      /* If opening the main database, set ENC(db). */
      encoding = (u8)meta[BTREE_TEXT_ENCODING-1] & 3;
      if( encoding==0 ) encoding = SQLITE_UTF8;
      ENC(db) = encoding;
#else
      ENC(db) = SQLITE_UTF8;
#endif
    }else{
      /* If opening an attached database, the encoding much match ENC(db) */
      if( meta[BTREE_TEXT_ENCODING-1]!=ENC(db) ){
        sqlite3SetString(pzErrMsg, db, "attached databases must use the same"
            " text encoding as main database");
        rc = SQLITE_ERROR;
        goto initone_error_out;

Changes to src/sqliteInt.h.

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#pragma warn -spa /* Suspicious pointer arithmetic */
#endif

/* Needed for various definitions... */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif





/*
** Include standard header files as necessary
*/
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif







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#pragma warn -spa /* Suspicious pointer arithmetic */
#endif

/* Needed for various definitions... */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif

#if defined(__OpenBSD__) && !defined(_BSD_SOURCE)
# define _BSD_SOURCE
#endif

/*
** Include standard header files as necessary
*/
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif

Changes to src/vdbemem.c.

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** routine is a no-op.
**
** SQLITE_OK is returned if the conversion is successful (or not required).
** SQLITE_NOMEM may be returned if a malloc() fails during conversion
** between formats.
*/
int sqlite3VdbeChangeEncoding(Mem *pMem, int desiredEnc){

  int rc;

  assert( (pMem->flags&MEM_RowSet)==0 );
  assert( desiredEnc==SQLITE_UTF8 || desiredEnc==SQLITE_UTF16LE
           || desiredEnc==SQLITE_UTF16BE );
  if( !(pMem->flags&MEM_Str) || pMem->enc==desiredEnc ){
    return SQLITE_OK;
  }
  assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) );







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** routine is a no-op.
**
** SQLITE_OK is returned if the conversion is successful (or not required).
** SQLITE_NOMEM may be returned if a malloc() fails during conversion
** between formats.
*/
int sqlite3VdbeChangeEncoding(Mem *pMem, int desiredEnc){
#ifndef SQLITE_OMIT_UTF16
  int rc;
#endif
  assert( (pMem->flags&MEM_RowSet)==0 );
  assert( desiredEnc==SQLITE_UTF8 || desiredEnc==SQLITE_UTF16LE
           || desiredEnc==SQLITE_UTF16BE );
  if( !(pMem->flags&MEM_Str) || pMem->enc==desiredEnc ){
    return SQLITE_OK;
  }
  assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) );

Changes to test/auth.test.

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  }
  set authargs
} [list \
  SQLITE_UPDATE v1     x  main {} \
  SQLITE_SELECT {}     {} {}   v1 \
  SQLITE_READ   t2     a  main v1 \
  SQLITE_READ   t2     b  main v1 \


  SQLITE_SELECT {}     {} {}   {} \
  SQLITE_READ   v1     x  main v1 \
  SQLITE_INSERT v1chng {} main r2 \
  SQLITE_READ   v1     x  main r2 \
  SQLITE_READ   v1     x  main r2 \
]

do_test auth-4.4 {
................................................................................
  }
  set authargs
} [list \
  SQLITE_DELETE v1     {} main {} \
  SQLITE_SELECT {}     {} {}   v1 \
  SQLITE_READ   t2     a  main v1 \
  SQLITE_READ   t2     b  main v1 \


  SQLITE_SELECT {}     {} {}   {} \
  SQLITE_READ   v1     x  main v1 \
  SQLITE_INSERT v1chng {} main r3 \
  SQLITE_READ   v1     x  main r3 \
]

} ;# ifcapable view && trigger








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  }
  set authargs
} [list \
  SQLITE_UPDATE v1     x  main {} \
  SQLITE_SELECT {}     {} {}   v1 \
  SQLITE_READ   t2     a  main v1 \
  SQLITE_READ   t2     b  main v1 \
  SQLITE_READ   v1     x  main v1 \
  SQLITE_READ   v1     x  main v1 \
  SQLITE_SELECT {}     {} {} v1   \
  SQLITE_READ   v1     x  main v1 \
  SQLITE_INSERT v1chng {} main r2 \
  SQLITE_READ   v1     x  main r2 \
  SQLITE_READ   v1     x  main r2 \
]

do_test auth-4.4 {
................................................................................
  }
  set authargs
} [list \
  SQLITE_DELETE v1     {} main {} \
  SQLITE_SELECT {}     {} {}   v1 \
  SQLITE_READ   t2     a  main v1 \
  SQLITE_READ   t2     b  main v1 \
  SQLITE_READ   v1     x  main v1 \
  SQLITE_READ   v1     x  main v1 \
  SQLITE_SELECT {}     {} {} v1   \
  SQLITE_READ   v1     x  main v1 \
  SQLITE_INSERT v1chng {} main r3 \
  SQLITE_READ   v1     x  main r3 \
]

} ;# ifcapable view && trigger

Changes to test/fts3ai.test.

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source $testdir/tester.tcl

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






# Return the UTF-16 representation of the supplied UTF-8 string $str.
# If $nt is true, append two 0x00 bytes as a nul terminator.
# NOTE(shess) Copied from capi3.test.
proc utf16 {str {nt 1}} {
  set r [encoding convertto unicode $str]
  if {$nt} {







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source $testdir/tester.tcl

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

ifcapable !utf16 {
  finish_test
  return
}

# Return the UTF-16 representation of the supplied UTF-8 string $str.
# If $nt is true, append two 0x00 bytes as a nul terminator.
# NOTE(shess) Copied from capi3.test.
proc utf16 {str {nt 1}} {
  set r [encoding convertto unicode $str]
  if {$nt} {

Changes to test/incrvacuum_ioerr.test.

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...
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  for {set iTest 1} {$::rc && $iTest<2000} {incr iTest} {
  
    # Figure out how big the database is and how many free pages it
    # has before running incremental-vacuum.
    #
    set nFree [execsql {pragma freelist_count} db1]
    set nPage [execsql {pragma page_count} db1]

  
    # Now run incremental-vacuum to vacuum 5 pages from the db file.
    # The iTest'th I/O call is set to fail.
    #
    set ::sqlite_io_error_pending $iTest
    set ::sqlite_io_error_persist 1
    do_test incrvacuum-ioerr-4.$iTest.1 {
................................................................................
    set ::sqlite_io_error_hardhit 0
  
    set nFree2 [execsql {pragma freelist_count} db1]
    set nPage2 [execsql {pragma page_count} db1]
  
    do_test incrvacuum-ioerr-4.$iTest.2 {
      set shrink [expr {$nPage-$nPage2}]
      expr {$shrink==0 || $shrink==5}
    } {1}
  
    do_test incrvacuum-ioerr-4.$iTest.3 {
      expr {$nPage - $nPage2}
    } [expr {$nFree - $nFree2}]
  }
  







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  for {set iTest 1} {$::rc && $iTest<2000} {incr iTest} {
  
    # Figure out how big the database is and how many free pages it
    # has before running incremental-vacuum.
    #
    set nFree [execsql {pragma freelist_count} db1]
    set nPage [execsql {pragma page_count} db1]
    puts "nFree=$nFree nPage=$nPage"
  
    # Now run incremental-vacuum to vacuum 5 pages from the db file.
    # The iTest'th I/O call is set to fail.
    #
    set ::sqlite_io_error_pending $iTest
    set ::sqlite_io_error_persist 1
    do_test incrvacuum-ioerr-4.$iTest.1 {
................................................................................
    set ::sqlite_io_error_hardhit 0
  
    set nFree2 [execsql {pragma freelist_count} db1]
    set nPage2 [execsql {pragma page_count} db1]
  
    do_test incrvacuum-ioerr-4.$iTest.2 {
      set shrink [expr {$nPage-$nPage2}]
      expr {$shrink==0 || $shrink==5 || ($nFree<5 && $shrink==$nFree)}
    } {1}
  
    do_test incrvacuum-ioerr-4.$iTest.3 {
      expr {$nPage - $nPage2}
    } [expr {$nFree - $nFree2}]
  }
  

Changes to test/ioerr6.test.

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..
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set ::testprefix ioerr6

ifcapable !atomicwrite {
  puts "skipping tests - not compiled with SQLITE_ENABLE_ATOMIC_WRITE..."
  finish_test
  return
}









faultsim_save_and_close

do_test 1.1 {
  testvfs shmfault -default true
  shmfault devchar atomic
  sqlite3 db test.db
  execsql {
................................................................................
} -test {
  set res [db one { PRAGMA integrity_check }]
  if {$res != "ok"} {
    error "integrity check: $res"
  }
}

do_faultsim_test 2 -faults full* -prep {
  shmfault devchar atomic
  faultsim_restore
  sqlite3 db test.db
} -body {
  db eval {
    CREATE TABLE t1(x);
    CREATE TABLE t2(x);







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set ::testprefix ioerr6

ifcapable !atomicwrite {
  puts "skipping tests - not compiled with SQLITE_ENABLE_ATOMIC_WRITE..."
  finish_test
  return
}

if {[permutation]=="inmemory_journal"} {
  # These tests will not work with in-memory journals (as persistent VFS
  # errors commencing after a transaction has started to write to the db
  # cannot be recovered from).
  finish_test
  return
}

faultsim_save_and_close

do_test 1.1 {
  testvfs shmfault -default true
  shmfault devchar atomic
  sqlite3 db test.db
  execsql {
................................................................................
} -test {
  set res [db one { PRAGMA integrity_check }]
  if {$res != "ok"} {
    error "integrity check: $res"
  }
}

do_faultsim_test 3 -faults full* -prep {
  shmfault devchar atomic
  faultsim_restore
  sqlite3 db test.db
} -body {
  db eval {
    CREATE TABLE t1(x);
    CREATE TABLE t2(x);

Changes to test/mallocG.test.

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   WHERE x BETWEEN 'a' AND 'z'
     AND x BETWEEN 'c' AND 'w'
     AND x BETWEEN 'e' AND 'u'
     AND x BETWEEN 'g' AND 'r'
     AND x BETWEEN 'i' AND 'q'
     AND x BETWEEN 'i' AND 'm'
}






proc utf16 {utf8} {
  set utf16 [encoding convertto unicode $utf8]
  append utf16 "\x00\x00"
  return $utf16
}








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   WHERE x BETWEEN 'a' AND 'z'
     AND x BETWEEN 'c' AND 'w'
     AND x BETWEEN 'e' AND 'u'
     AND x BETWEEN 'g' AND 'r'
     AND x BETWEEN 'i' AND 'q'
     AND x BETWEEN 'i' AND 'm'
}

ifcapable !utf16 {
  finish_test
  return
}

proc utf16 {utf8} {
  set utf16 [encoding convertto unicode $utf8]
  append utf16 "\x00\x00"
  return $utf16
}

Changes to test/triggerA.test.

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  db eval {
     DELETE FROM result4;
     CREATE TRIGGER r5u INSTEAD OF UPDATE ON v5 BEGIN
       INSERT INTO result4(a,b,c,d) VALUES(old.x, old.b, new.x, new.b);
     END;
     UPDATE v5 SET b = b+9900000 WHERE x BETWEEN 3 AND 5;
     SELECT * FROM result4 ORDER BY a;







  }
} {3 305 3 9900305 4 404 4 9900404 5 504 5 9900504}

# Only run the reamining tests if memory debugging is turned on.
#
ifcapable !memdebug {
   puts "Skipping triggerA malloc tests: not compiled with -DSQLITE_MEMDEBUG..."







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  db eval {
     DELETE FROM result4;
     CREATE TRIGGER r5u INSTEAD OF UPDATE ON v5 BEGIN
       INSERT INTO result4(a,b,c,d) VALUES(old.x, old.b, new.x, new.b);
     END;
     UPDATE v5 SET b = b+9900000 WHERE x BETWEEN 3 AND 5;
     SELECT * FROM result4 ORDER BY a;
  }
} {3 305 3 9900305 4 404 4 9900404 5 504 5 9900504}
do_test triggerA-2.11 {
  db eval {
     DELETE FROM result4;
     UPDATE v5 SET b = main.v5.b+9900000 WHERE main.v5.x BETWEEN 3 AND 5;
     SELECT * FROM result4 ORDER BY a;
  }
} {3 305 3 9900305 4 404 4 9900404 5 504 5 9900504}

# Only run the reamining tests if memory debugging is turned on.
#
ifcapable !memdebug {
   puts "Skipping triggerA malloc tests: not compiled with -DSQLITE_MEMDEBUG..."