SQLite

SHELL_OPT += -DSQLITE_ENABLE_EXPLAIN_COMMENTS
SHELL_OPT += -DSQLITE_ENABLE_UNKNOWN_SQL_FUNCTION
SHELL_OPT += -DSQLITE_ENABLE_STMTVTAB
SHELL_OPT += -DSQLITE_ENABLE_DBPAGE_VTAB
SHELL_OPT += -DSQLITE_ENABLE_DBSTAT_VTAB
SHELL_OPT += -DSQLITE_ENABLE_OFFSET_SQL_FUNC
SHELL_OPT += -DSQLITE_ENABLE_DESERIALIZE

FUZZERSHELL_OPT = -DSQLITE_ENABLE_JSON1
FUZZCHECK_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_MEMSYS5 -DSQLITE_OSS_FUZZ
FUZZCHECK_OPT += -DSQLITE_MAX_MEMORY=50000000
FUZZCHECK_OPT += -DSQLITE_PRINTF_PRECISION_LIMIT=1000
FUZZCHECK_OPT += -DSQLITE_ENABLE_DESERIALIZE
FUZZCHECK_OPT += -DSQLITE_ENABLE_FTS4
#FUZZCHECK_OPT += -DSQLITE_ENABLE_FTS5

OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_FTS3=1
OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_RTREE=1
OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_GEOPOLY=1
OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_JSON1=1
OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_STMTVTAB=1
OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_DBPAGE_VTAB=1
OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_DBSTAT_VTAB=1

OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_DESERIALIZE=1
!ENDIF
OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_COLUMN_METADATA=1
!ENDIF

# Should the session extension be enabled?  If so, add compilation options
# to enable it.

    SnippetPhrase *pPhrase = &pIter->aPhrase[i];
    if( pPhrase->pTail ){
      char *pCsr = pPhrase->pTail;
      int iCsr = pPhrase->iTail;

      while( iCsr<(iStart+pIter->nSnippet) && iCsr>=iStart ){
        int j;
        u64 mPhrase = (u64)1 << (i%64);
        u64 mPos = (u64)1 << (iCsr - iStart);
        assert( iCsr>=iStart && (iCsr - iStart)<=64 );
        assert( i>=0 );
        if( (mCover|mCovered)&mPhrase ){
          iScore++;
        }else{
          iScore += 1000;
        }
        mCover |= mPhrase;

  ** handles here, rather than preparing a new one for each query. But that
  ** is not possible as SQLite reference counts the virtual table objects.
  ** And since the statement required here reads from this very virtual 
  ** table, saving it creates a circular reference.
  **
  ** If SQLite a built-in statement cache, this wouldn't be a problem. */
  rc = fts5PrepareStatement(&pSorter->pStmt, pConfig,
      "SELECT rowid, rank FROM %Q.%Q ORDER BY %s(\"%w\"%s%s) %s",
      pConfig->zDb, pConfig->zName, zRank, pConfig->zName,
      (zRankArgs ? ", " : ""),
      (zRankArgs ? zRankArgs : ""),
      bDesc ? "DESC" : "ASC"
  );

  pCsr->pSorter = pSorter;

|   4080: 68 65 63 6b 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   heck....optimize
| end c13.db
SELECT * FROM t1 WHERE t1 MATCH 'abandon';
}]} {}

do_catchsql_test 13.1 {
  SELECT * FROM t1 WHERE t1 MATCH 'abandon'; 
} {/*malformed database schema*/}

#-------------------------------------------------------------------------
reset_db
do_test 14.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 28672 pagesize 4096 filename c14b.db

|     48: 01 00 00 10 10 04 02 02 00 00 00 00 00 00 00 00   ................
|     64: 70 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00   p...........p...
| end c16.db
}]} {}

do_catchsql_test 15.1 {
  INSERT INTO t1(t1) VALUES('integrity-check');
} {/*malformed database schema*/}

#---------------------------------------------------------------------------
#
reset_db
do_test 16.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {

|    448: 54 55 41 4c 20 54 41 42 4c 45 20 74 31 20 55 53   TUAL TABLE t1 US
|    464: 49 4e 47 20 66 74 73 35 28 61 2c 62 2c 63 29 00   ING fts5(a,b,c).
|    480: 00 00 39 00 00 00 00 00 00 00 00 00 00 00 00 00   ..9.............
|   4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04   ........version.
| end crash-fed6e90021ba5d.db
}]} {}

do_catchsql_test 33.1 {
  CREATE VIRTUAL TABLE t2 USING fts5vocab('t1','row');
  CREATE VIRTUAL TABLE t3 USING fts5vocab('t1','col');
  CREATE VIRTUAL TABLE t4 USING fts5vocab('t1','instance');
} {/*malformed database schema*/}

do_catchsql_test 33.2 {
  SELECT * FROM t2;
} {/*malformed database schema*/}

do_catchsql_test 33.3 {
  SELECT * FROM t2, t3, t4 WHERE t2.term=t3.term AND t3.term=t4.term;
} {/*malformed database schema*/}

#-------------------------------------------------------------------------
reset_db
do_test 34.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 40960 pagesize 4096 filename crash-a60a9da4c8932f.db

|      0: 0a 00 00 00 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.
| end null-memcmp-param-1..db
}]} {}

do_catchsql_test 37.1 {
  SELECT * FROM t3;
} {/*malformed database schema*/}

#-------------------------------------------------------------------------
reset_db 
do_execsql_test 37a.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(b, c);
  INSERT INTO t1 VALUES('a', 'b');
  SELECT quote(block) FROM t1_data WHERE rowid=10;
} {X'000000000101010001010101'}

do_execsql_test 37a.1 {
  UPDATE t1_data SET block = X'FFFFFFFF0101010001010101' WHERE rowid = 10;
  SELECT rowid FROM t1('a');
} {1}

#-------------------------------------------------------------------------
reset_db 
do_execsql_test 38.0 {

|   4064: 69 74 79 2d 63 68 65 63 6b 09 02 02 1b 72 65 62   ity-check....reb
|   4080: 75 69 6c 64 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   uild....optimize
| end crash-fd2a1313e5b5e9.db
}]} {}

do_catchsql_test 38.1 {
  UPDATE t1 SET b=quote(zeroblob(200)) WHERE t1 MATCH 'thread*';
} {/*malformed database schema*/}

#-------------------------------------------------------------------------
reset_db
do_test 39.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
.open --hexdb

|   4080: 67 73 7a 18 0b 03 1b 01 76 65 72 73 69 6f 6e 04   gsz.....version.
| page 6 offset 20480
|      0: 0d 00 00 00 03 0f f2 00 0f fc 0f f7 0f f2 00 00   ................
|   4080: 00 00 03 03 02 01 03 03 02 02 01 02 02 01 02 09   ................
| end crash2.txt.db
}]} {}

do_catchsql_test 40.1 {
  BEGIN;
  INSERT INTO t1(b) VALUES(X'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');
  INSERT INTO t1(b) VALUES(X'c8ae0d0e7c3175946e62ba2b449511d4eb504079984a20f77969f62206c9f3d7ea25358ab705e6978627290b6d48db9032f815a06a79a4f4b809841a0942eed12954ed166f666111812a508abc3bec87958846edaec0a6fe14564bc0a4b78f1c35ebcacca6bae29cc37ae9b59d8a2d7593af1e47dda0ece2268a98d20febafad037964f139851f9a57f48b3706b01721769071991412044cd6006f1d72eb6eb4aa5ad77e378176db8c15575fbeee47165e38a7c6c5a557ac2dfe11813976eaf6741cf593a9e457053a3c34cddfbe605a6e25419f993de8374fafcd3636509d8416a51dc7bcc14cfca322ae343078f47e23522431c17d0da0c033');
  INSERT INTO t1(b) VALUES(X'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');
} {/*malformed database schema*/}

do_catchsql_test 40.2 {
  INSERT INTO t1(a,b) VALUES(1,11),(2,22),(3, true ),(4,44);
} {/*malformed database schema*/}

#-------------------------------------------------------------------------
reset_db
do_execsql_test 41.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(a,b,c);
  REPLACE INTO t1_data VALUES(1,X'255a5824');
  REPLACE INTO t1_data VALUES(10,X'0a1000000102020002010101020101');

|      0: 0d 00 00 00 03 0f f2 00 0f fc 0f f7 0f f2 00 00   ................
|   4080: 00 00 03 03 02 01 03 03 02 02 01 02 02 01 02 09   ................
| end 89028ffd2c29b679e250.db
}]} {}

do_catchsql_test 43.1 {
  INSERT INTO t1(t1) VALUES('optimize');
} {/*malformed database schema*/}

#-------------------------------------------------------------------------
reset_db
do_execsql_test 44.1 {
  CREATE VIRTUAL TABLE t1 USING fts5(a,b unindexed,c,tokenize="porter ascii");
  REPLACE INTO t1_data VALUES(1,X'03090009');
  REPLACE INTO t1_data VALUES(10,X'000000000103030003010101020101030101');

  INSERT INTO t1(t1, rank) VALUES('merge', 5);
  INSERT INTO t1(t1, rank) VALUES('merge', 5);
  INSERT INTO t1(t1, rank) VALUES('merge', 5);
  INSERT INTO t1(t1, rank) VALUES('merge', 5);
  INSERT INTO t1(t1, rank) VALUES('merge', 5);
  INSERT INTO t1(t1, rank) VALUES('merge', 5);
  INSERT INTO t1(t1, rank) VALUES('merge', 5);
} {/*malformed database schema*/}

#--------------------------------------------------------------------------
reset_db
do_test 46.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 32768 pagesize 4096 filename crash-1ee8bd451dd1ad.db

|   4064: 69 74 79 2d 63 68 65 63 6b 09 02 02 1b 72 65 62   ity-check....reb
|   4080: 75 69 6c 64 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   uild....optimize
| end crash-1ee8bd451dd1ad.db
}]} {}

do_catchsql_test 46.1 {
  SELECT snippet(t1,'[','', '--',-1,10) FROM t1('*');
} {/*malformed database schema*/}

#--------------------------------------------------------------------------
reset_db
do_test 47.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 40960 pagesize 4096 filename 4b6fc659283f2735616c.db

|      0: 0a 00 00 00 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.
| end 4b6fc659283f2735616c.db
}]} {}

do_catchsql_test 47.1 {
  INSERT INTO t1(t1) VALUES('integrity-check');
} {/*malformed database schema*/}

do_catchsql_test 47.2 {
  SELECT count(*) FROM (
      SELECT snippet(t1, -1, '.', '..', '[', 50), 
      highlight(t1, 2, '[', ']') FROM t1('g h') 
      WHERE rank MATCH 'bm25(1.0, 1.0)' ORDER BY rank
  )
} {/*malformed database schema*/}

#--------------------------------------------------------------------------
reset_db
do_test 48.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 32768 pagesize 4096 filename crash-44a8305b4bd86f.db

|      0: 0a 00 00 00 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.
| end crash-2b92f77ddfe191.db
}]} {}

do_catchsql_test 52.1 {
  SELECT fts5_decode(id, block) FROM t1_data;
} {/*malformed database schema*/}

#-------------------------------------------------------------------------
reset_db
do_test 53.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 24576 pagesize 4096 filename crash-dbe9b7614da103.db

|   4080: 00 00 03 03 02 01 03 03 02 02 01 02 02 01 0c e9   ................
| end crash-dbe9b7614da103.db
}]} {}

do_catchsql_test 53.1 {
  WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x<>1 FROM c WHERE x<10)
    INSERT INTO t1(a) SELECT randomblob(3000) FROM c;
} {/*malformed database schema*/}

#-------------------------------------------------------------------------
reset_db
do_test 54.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 24576 pagesize 4096 filename crash-03a1855566d9ae.db

|      0: 0d 00 00 00 03 0f f2 00 0f fc 0f f7 0f f2 00 00   ................
|   4080: 00 00 23 03 02 01 03 03 02 02 01 02 02 00 f2 09   ..#.............
| end crash-03a1855566d9ae.db
}]} {}

do_catchsql_test 54.1 {
  SELECT rowid==-1 FROM t1('t*');
} {/*malformed database schema*/}

#-------------------------------------------------------------------------
reset_db
do_test 55.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 32768 pagesize 4096 filename crash-b366b5ac0d3887.db

|      0: 0d 00 00 00 03 0f d6 00 0f f4 0f e9 0f d6 00 00   ................
|   4048: 00 00 00 00 00 00 11 03 02 2b 69 6e 74 65 77 72   .........+intewr
|   4064: 69 74 79 2d 63 68 65 63 6b 09 02 02 1b 72 65 62   ity-check....reb
|   4080: 75 69 6c 64 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   uild....optimize
| end crash-b366b5ac0d3887.db
}]} {}

do_catchsql_test 55.1 {
  SAVEPOINT one;
  DELETE FROM t1 WHERE a MATCH 'ts';
} {/*malformed database schema*/}

do_execsql_test 55.2 {
  ROLLBACK TO one;
}

#-------------------------------------------------------------------------
reset_db

  # may return SQLITE_CONSTRAINT instead of SQLITE_CORRUPT. This is because
  # the corrupt db in the test over-reads the page buffer slightly, with
  # different results depending on whether or not the page-cache is in use.
  if {$res=="1 {constraint failed}"} {
    set res "1 {database disk image is malformed}"
  }
  set res
} {/*malformed database schema*/}

#-------------------------------------------------------------------------
reset_db
do_test 57.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 28672 pagesize 4096 filename x.db

|   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 x.db
}]} {}

do_catchsql_test 57.1 {
  INSERT INTO t1(t1) VALUES('optimize')
} {/*malformed database schema*/}

#-------------------------------------------------------------------------
reset_db
do_test 58.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
.open --hexdb

|   4064: 00 00 00 00 00 00 00 00 00 00 00 08 03 15 01 70   ...............p
|   4080: 67 73 7a 18 0b 03 1b 01 76 65 72 73 69 6f 6e 04   gsz.....version.
| page 6 offset 20480
|   4080: 00 00 23 03 02 01 03 03 02 00 00 00 00 00 00 00   ..#.............
| end crash-5a5acd0ab42d31.db
}]} {}

do_catchsql_test 58.1 {
  SELECT * FROM t1('t*');
} {/*malformed database schema*/}

#-------------------------------------------------------------------------
do_test 59.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
.open --hexdb
| size 32768 pagesize 4096 filename crash-96b136358d01ec.db

|   4080: 06 02 03 00 12 06 01 01 06 01 03 00 12 06 01 01   ................
| page 7 offset 24576
|      0: 0a 00 00 00 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.
| end crash-e5fa281edabddf.db
}]} {}

do_catchsql_test 61.1 {
  CREATE VIRTUAL TABLE t3 USING fts5vocab('t1'(),'col' );
} {/*malformed database schema*/}

do_catchsql_test 61.2 {
  SELECT * FROM t3 ORDER BY rowid;
} {/*malformed database schema*/}

breakpoint
#-------------------------------------------------------------------------
do_test 62.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
.open --hexdb

|   4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04   ........version.
| end crash-44942694542e1e.db
}]} {}

do_catchsql_test 62.1 {
  WITH c(x) AS (VALUES(false) UNION ALL SELECT x+1 FROM c WHERE x<72)
    INSERT INTO t1(a) SELECT randomblob(2829) FROM c;
} {/*malformed database schema*/}

#---------------------------------------------------------------------------
do_test 63.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
.open --hexdb
| size 24576 pagesize 4096 filename crash-8230e6c3b368f5.db

|   4064: 00 00 00 00 00 00 00 00 00 00 00 08 03 15 01 70   ...............p
|   4080: 67 73 7a 08 0b 03 1b 01 76 65 72 73 69 6f 6e 04   gsz.....version.
| end crash-8230e6c3b368f5.db
}]} {}

do_catchsql_test 63.1 {
  SELECT * FROM t1 WHERE b MATCH 'thead*thead*theSt*';
} {/*malformed database schema*/}

do_catchsql_test 63.2 {
  INSERT INTO t1(t1) VALUES('optimize');
} {/*malformed database schema*/}


do_catchsql_test 63.3 {
  SELECT * FROM t1 WHERE b MATCH 'thead*thead*theSt*';
} {/*malformed database schema*/}

sqlite3_fts5_may_be_corrupt 0
finish_test

  )
  INSERT INTO ttt SELECT 'word ' || i FROM s;
}

do_execsql_test 5.1 {
  SELECT rowid FROM ttt('word') WHERE rowid BETWEEN 30 AND 40 ORDER BY rank;
} {30 31 32 33 34 35 36 37 38 39 40}

#-------------------------------------------------------------------------
reset_db
do_execsql_test 6.0 {
  CREATE VIRTUAL TABLE "My.Table" USING fts5(Text);

  INSERT INTO "My.Table" VALUES ('hello this is a test');
  INSERT INTO "My.Table" VALUES ('of trying to order by');
  INSERT INTO "My.Table" VALUES ('rank on an fts5 table');
  INSERT INTO "My.Table" VALUES ('that have periods in');
  INSERT INTO "My.Table" VALUES ('the table names.');
  INSERT INTO "My.Table" VALUES ('table table table');
}
do_execsql_test 6.1 {
  SELECT * FROM "My.Table" WHERE Text MATCH 'table' ORDER BY rank;
} {
  {table table table} {the table names.} {rank on an fts5 table}
}

finish_test

             $(LSMDIR)/lsm-test/lsmtest_main.c $(LSMDIR)/lsm-test/lsmtest_mem.c \
             $(LSMDIR)/lsm-test/lsmtest_tdb.c $(LSMDIR)/lsm-test/lsmtest_tdb3.c \
             $(LSMDIR)/lsm-test/lsmtest_util.c $(LSMDIR)/lsm-test/lsmtest_win32.c


# all: lsm.so

LSMOPTS += -fPIC -DLSM_MUTEX_PTHREADS=1 -I$(LSMDIR) -DHAVE_ZLIB

lsm.so:	$(LSMOBJ)
	$(TCCX) -shared -fPIC -o lsm.so $(LSMOBJ)

%.o:	$(LSMDIR)/%.c $(LSMHDR) sqlite3.h
	$(TCCX) $(LSMOPTS) -c $<
	
lsmtest$(EXE): $(LSMOBJ) $(LSMTESTSRC) $(LSMTESTHDR) sqlite3.o
	# $(TCPPX) -c $(TOP)/lsm-test/lsmtest_tdb2.cc
	$(TCCX) $(LSMOPTS) $(LSMTESTSRC) $(LSMOBJ) sqlite3.o -o lsmtest$(EXE) $(THREADLIB) -lz

  int argIdx = -1;       /* Index of the key== constraint, or -1 if none */
  int iIdx2 = -1;        /* The index of the second key */
  int omit1 = 0;
  int omit2 = 0;

  const struct sqlite3_index_constraint *pConstraint;
  pConstraint = pIdxInfo->aConstraint;
  for(i=0; i<pIdxInfo->nConstraint; i++, pConstraint++){
    if( pConstraint->usable==0 ) continue;
    if( pConstraint->iColumn!=0 ) continue;
    switch( pConstraint->op ){
      case SQLITE_INDEX_CONSTRAINT_EQ: {
        if( idxNum>0 ){
          argIdx = i;
          iIdx2 = -1;

  INSERT INTO x1(a,b,c,d) VALUES(15, 11, 22, 33),(8,'banjo',x'333231',NULL),
      (12,NULL,3.25,-559281390);
  SELECT quote(a), quote(b), quote(c), quote(d), '|' FROM x1;
} {'12' NULL 3.25 -559281390 | '15' 11 22 33 | '8' 'banjo' X'333231' NULL |}
do_execsql_test 211 {
  SELECT quote(a), quote(lsm1_key), quote(lsm1_value), '|' FROM x1;
} {'12' X'3132' X'05320000000000000A401FFB42ABE9DB' | '15' X'3135' X'4284C6' | '8' X'38' X'2162616E6A6F1633323105' |}
do_execsql_test 212 {
  SELECT quote(a), quote(lsm1_key), quote(lsm1_value) FROM x1 WHERE a='12';
} {'12' X'3132' X'05320000000000000A401FFB42ABE9DB'}

#-------------------------------------------------------------------------
reset_db
forcedelete testlsm.db
load_lsm1_vtab db
do_execsql_test 300 {
  CREATE VIRTUAL TABLE x1 USING lsm1(testlsm.db,a,TEXT,b,c,d);
}
do_eqp_test 310 {
  SELECT * FROM x1 WHERE a=?
} {SCAN TABLE x1 VIRTUAL TABLE INDEX 0:}

do_eqp_test 320 {
  SELECT * FROM x1 WHERE a>?
} {SCAN TABLE x1 VIRTUAL TABLE INDEX 2:}

do_eqp_test 330 {
  SELECT * FROM x1 WHERE a<?
} {SCAN TABLE x1 VIRTUAL TABLE INDEX 3:}
do_eqp_test 340 {
  SELECT * FROM x1 WHERE a BETWEEN ? AND ?
} {SCAN TABLE x1 VIRTUAL TABLE INDEX 1:}

#-------------------------------------------------------------------------
reset_db
forcedelete testlsm.db
load_lsm1_vtab db
do_execsql_test 400 {
  CREATE VIRTUAL TABLE x1 USING lsm1(testlsm.db,a,TEXT,b);
  INSERT INTO x1 VALUES('one', 1);
  INSERT INTO x1 VALUES('two', 2);
  INSERT INTO x1 VALUES('three', 3);
  INSERT INTO x1 VALUES('four', 4);
  INSERT INTO x1 VALUES('five', 5);
}
do_execsql_test 410 {
  SELECT b FROM x1 WHERE a = 'two'
} {2}
do_execsql_test 411 {
  SELECT b FROM x1 WHERE a = 'one'
} {1}
do_execsql_test 412 {
  SELECT b FROM x1 WHERE a = 'five'
} {5}

do_execsql_test 420 {
  SELECT b FROM x1 WHERE a BETWEEN 'one' AND 'three';
} {1 3}
do_execsql_test 421 {
  SELECT b FROM x1 WHERE a BETWEEN 'five' AND 'two';
} {5 4 1 3 2}
do_execsql_test 421 {
  SELECT b FROM x1 WHERE a > 'five';
} {4 1 3 2}
do_execsql_test 421 {
  SELECT b FROM x1 WHERE a <= 'three';
} {3 1 4 5}

finish_test

SHELL_OPT += -DSQLITE_ENABLE_RTREE
SHELL_OPT += -DSQLITE_ENABLE_EXPLAIN_COMMENTS
SHELL_OPT += -DSQLITE_ENABLE_UNKNOWN_SQL_FUNCTION
SHELL_OPT += -DSQLITE_ENABLE_STMTVTAB
SHELL_OPT += -DSQLITE_ENABLE_DBPAGE_VTAB
SHELL_OPT += -DSQLITE_ENABLE_DBSTAT_VTAB
SHELL_OPT += -DSQLITE_ENABLE_OFFSET_SQL_FUNC

FUZZERSHELL_OPT = -DSQLITE_ENABLE_JSON1
FUZZCHECK_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_MEMSYS5
FUZZCHECK_OPT += -DSQLITE_MAX_MEMORY=50000000
FUZZCHECK_OPT += -DSQLITE_PRINTF_PRECISION_LIMIT=1000
FUZZCHECK_OPT += -DSQLITE_ENABLE_DESERIALIZE
FUZZCHECK_OPT += -DSQLITE_ENABLE_FTS4
FUZZCHECK_OPT += -DSQLITE_ENABLE_RTREE

    pNew->addrOpenEphm[0] = -1;
    pNew->addrOpenEphm[1] = -1;
    pNew->nSelectRow = p->nSelectRow;
    pNew->pWith = withDup(db, p->pWith);
#ifndef SQLITE_OMIT_WINDOWFUNC
    pNew->pWin = 0;
    pNew->pWinDefn = sqlite3WindowListDup(db, p->pWinDefn);
    if( p->pWin && db->mallocFailed==0 ) gatherSelectWindows(pNew);
#endif
    pNew->selId = p->selId;
    *pp = pNew;
    pp = &pNew->pPrior;
    pNext = pNew;
  }

    ** that columns affinity when building index keys. If <expr> is not
    ** a column, use numeric affinity.
    */
    char affinity;            /* Affinity of the LHS of the IN */
    int i;
    ExprList *pList = pExpr->x.pList;
    struct ExprList_item *pItem;
    int r1, r2;
    affinity = sqlite3ExprAffinity(pLeft);
    if( affinity<=SQLITE_AFF_NONE ){
      affinity = SQLITE_AFF_BLOB;
    }
    if( pKeyInfo ){
      assert( sqlite3KeyInfoIsWriteable(pKeyInfo) );
      pKeyInfo->aColl[0] = sqlite3ExprCollSeq(pParse, pExpr->pLeft);

      if( addrOnce && !sqlite3ExprIsConstant(pE2) ){
        sqlite3VdbeChangeToNoop(v, addrOnce);
        ExprClearProperty(pExpr, EP_Subrtn);
        addrOnce = 0;
      }

      /* Evaluate the expression and insert it into the temp table */
      sqlite3ExprCode(pParse, pE2, r1);
      sqlite3VdbeAddOp4(v, OP_MakeRecord, r1, 1, r2, &affinity, 1);
      sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iTab, r2, r1, 1);
    }
    sqlite3ReleaseTempReg(pParse, r1);
    sqlite3ReleaseTempReg(pParse, r2);
  }
  if( pKeyInfo ){
    sqlite3VdbeChangeP4(v, addr, (void *)pKeyInfo, P4_KEYINFO);
  }

    }

    case TK_VECTOR: {
      sqlite3ErrorMsg(pParse, "row value misused");
      break;
    }

    /* TK_IF_NULL_ROW Expr nodes are inserted ahead of expressions
    ** that derive from the right-hand table of a LEFT JOIN.  The
    ** Expr.iTable value is the table number for the right-hand table.
    ** The expression is only evaluated if that table is not currently
    ** on a LEFT JOIN NULL row.
    */
    case TK_IF_NULL_ROW: {
      int addrINR;
      u8 okConstFactor = pParse->okConstFactor;
      addrINR = sqlite3VdbeAddOp1(v, OP_IfNullRow, pExpr->iTable);
      /* Temporarily disable factoring of constant expressions, since
      ** even though expressions may appear to be constant, they are not
      ** really constant because they originate from the right-hand side
      ** of a LEFT JOIN. */
      pParse->okConstFactor = 0;
      inReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft, target);
      pParse->okConstFactor = okConstFactor;
      sqlite3VdbeJumpHere(v, addrINR);
      sqlite3VdbeChangeP3(v, addrINR, inReg);
      break;
    }

    /*
    ** Form A:

#ifdef SQLITE_ENABLE_NORMALIZE
  sqlite3_normalized_sql,
#else
  0,
#endif
  /* Version 3.28.0 and later */
  sqlite3_stmt_isexplain,
  sqlite3_value_frombind,
  /* Version 3.30.0 and later */
  sqlite3_drop_modules,
};

/*
** Attempt to load an SQLite extension library contained in the file
** zFile.  The entry point is zProc.  zProc may be 0 in which case a
** default entry point name (sqlite3_extension_init) is used.  Use
** of the default name is recommended.

    for(p=sqliteHashFirst(&db->aCollSeq); p; p=sqliteHashNext(p)){
      CollSeq *pColl = (CollSeq *)sqliteHashData(p);
      sqlite3VdbeMultiLoad(v, 1, "is", i++, pColl->zName);
    }
  }
  break;

#ifndef SQLITE_OMIT_INTROSPECTION_PRAGMAS
  case PragTyp_FUNCTION_LIST: {
    int i;
    HashElem *j;
    FuncDef *p;
    pParse->nMem = 2;
    for(i=0; i<SQLITE_FUNC_HASH_SZ; i++){
      for(p=sqlite3BuiltinFunctions.a[i]; p; p=p->u.pHash ){

 {/* zName:     */ "fullfsync",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_FullFSync },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
#if !defined(SQLITE_OMIT_INTROSPECTION_PRAGMAS)
 {/* zName:     */ "function_list",
  /* ePragTyp:  */ PragTyp_FUNCTION_LIST,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 41, 2,
  /* iArg:      */ 0 },
#endif
#endif

  /* ePragTyp:  */ PragTyp_MMAP_SIZE,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
#if !defined(SQLITE_OMIT_VIRTUALTABLE)
#if !defined(SQLITE_OMIT_INTROSPECTION_PRAGMAS)
 {/* zName:     */ "module_list",
  /* ePragTyp:  */ PragTyp_MODULE_LIST,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 9, 1,
  /* iArg:      */ 0 },
#endif
#endif

 {/* zName:     */ "parser_trace",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_ParserTrace },
#endif
#endif
#if !defined(SQLITE_OMIT_INTROSPECTION_PRAGMAS)
 {/* zName:     */ "pragma_list",
  /* ePragTyp:  */ PragTyp_PRAGMA_LIST,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 9, 1,
  /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)

 {/* zName:     */ "writable_schema",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_WriteSchema|SQLITE_NoSchemaError },
#endif
};
/* Number of pragmas: 65 on by default, 81 total. */

  "    --stmt                  Trace statement execution (SQLITE_TRACE_STMT)",
  "    --profile               Profile statements (SQLITE_TRACE_PROFILE)",
  "    --row                   Trace each row (SQLITE_TRACE_ROW)",
  "    --close                 Trace connection close (SQLITE_TRACE_CLOSE)",
#endif /* SQLITE_OMIT_TRACE */
#ifdef SQLITE_DEBUG
  ".unmodule NAME ...       Unregister virtual table modules",
  "    --allexcept             Unregister everything except those named",
#endif
  ".vfsinfo ?AUX?           Information about the top-level VFS",
  ".vfslist                 List all available VFSes",
  ".vfsname ?AUX?           Print the name of the VFS stack",
  ".width NUM1 NUM2 ...     Set column widths for \"column\" mode",
  "     Negative values right-justify",
};

** Return 1 on error, 2 to exit, and 0 otherwise.
*/
static int do_meta_command(char *zLine, ShellState *p){
  int h = 1;
  int nArg = 0;
  int n, c;
  int rc = 0;
  char *azArg[52];

#ifndef SQLITE_OMIT_VIRTUALTABLE
  if( p->expert.pExpert ){
    expertFinish(p, 1, 0);
  }
#endif

  /* Parse the input line into tokens.
  */
  while( zLine[h] && nArg<ArraySize(azArg)-1 ){
    while( IsSpace(zLine[h]) ){ h++; }
    if( zLine[h]==0 ) break;
    if( zLine[h]=='\'' || zLine[h]=='"' ){
      int delim = zLine[h++];
      azArg[nArg++] = &zLine[h];
      while( zLine[h] && zLine[h]!=delim ){
        if( zLine[h]=='\\' && delim=='"' && zLine[h+1]!=0 ) h++;
        h++;
      }
      if( zLine[h]==delim ){
        zLine[h++] = 0;
      }
      if( delim=='"' ) resolve_backslashes(azArg[nArg-1]);
    }else{
      azArg[nArg++] = &zLine[h];
      while( zLine[h] && !IsSpace(zLine[h]) ){ h++; }
      if( zLine[h] ) zLine[h++] = 0;
      resolve_backslashes(azArg[nArg-1]);
    }
  }
  azArg[nArg] = 0;

  /* Process the input line.
  */
  if( nArg==0 ) return 0; /* no tokens, no error */
  n = strlen30(azArg[0]);
  c = azArg[0][0];
  clearTempFile(p);

        appendText(&sSelect, " AS snum, ", 0);
        appendText(&sSelect, zDb, '\'');
        appendText(&sSelect, " AS sname FROM ", 0);
        appendText(&sSelect, zDb, quoteChar(zDb));
        appendText(&sSelect, ".sqlite_master", 0);
      }
      sqlite3_finalize(pStmt);
#ifndef SQLITE_OMIT_INTROSPECTION_PRAGMAS
      if( zName ){
        appendText(&sSelect,
           " UNION ALL SELECT shell_module_schema(name),"
           " 'table', name, name, name, 9e+99, 'main' FROM pragma_module_list", 0);
      }
#endif
      appendText(&sSelect, ") WHERE ", 0);

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

#ifdef SQLITE_DEBUG
  if( c=='u' && strncmp(azArg[0], "unmodule", n)==0 ){
    int ii;
    int lenOpt;
    char *zOpt;
    if( nArg<2 ){
      raw_printf(stderr, "Usage: .unmodule [--allexcept] NAME ...\n");
      rc = 1;
      goto meta_command_exit;
    }
    open_db(p, 0);
    zOpt = azArg[1];
    if( zOpt[0]=='-' && zOpt[1]=='-' && zOpt[2]!=0 ) zOpt++;
    lenOpt = (int)strlen(zOpt);
    if( lenOpt>=3 && strncmp(zOpt, "-allexcept",lenOpt)==0 ){
      assert( azArg[nArg]==0 );
      sqlite3_drop_modules(p->db, nArg>2 ? (const char**)(azArg+2) : 0);
    }else{
      for(ii=1; ii<nArg; ii++){
        sqlite3_create_module(p->db, azArg[ii], 0, 0);
      }
    }
  }else
#endif

#if SQLITE_USER_AUTHENTICATION
  if( c=='u' && strncmp(azArg[0], "user", n)==0 ){
    if( nArg<2 ){

** ^The sqlite3_create_module()
** interface is equivalent to sqlite3_create_module_v2() with a NULL
** destructor.
**
** ^If the third parameter (the pointer to the sqlite3_module object) is
** NULL then no new module is create and any existing modules with the
** same name are dropped.
**
** See also: [sqlite3_drop_modules()]
*/
int sqlite3_create_module(
  sqlite3 *db,               /* SQLite connection to register module with */
  const char *zName,         /* Name of the module */
  const sqlite3_module *p,   /* Methods for the module */
  void *pClientData          /* Client data for xCreate/xConnect */
);
int sqlite3_create_module_v2(
  sqlite3 *db,               /* SQLite connection to register module with */
  const char *zName,         /* Name of the module */
  const sqlite3_module *p,   /* Methods for the module */
  void *pClientData,         /* Client data for xCreate/xConnect */
  void(*xDestroy)(void*)     /* Module destructor function */
);

/*
** CAPI3REF: Remove Unnecessary Virtual Table Implementations
** METHOD: sqlite3
**
** ^The sqlite3_drop_modules(D,L) interface removes all virtual
** table modules from database connection D except those named on list L.
** The L parameter must be either NULL or a pointer to an array of pointers
** to strings where the array is terminated by a single NULL pointer.
** ^If the L parameter is NULL, then all virtual table modules are removed.
**
** See also: [sqlite3_create_module()]
*/
int sqlite3_drop_modules(
  sqlite3 *db,                /* Remove modules from this connection */
  const char **azKeep         /* Except, do not remove the ones named here */
);

/*
** CAPI3REF: Virtual Table Instance Object
** KEYWORDS: sqlite3_vtab
**
** Every [virtual table module] implementation uses a subclass
** of this object to describe a particular instance

                            void (*xInv)(sqlite3_context*,int,sqlite3_value**),
                            void(*xDestroy)(void*));
  /* Version 3.26.0 and later */
  const char *(*normalized_sql)(sqlite3_stmt*);
  /* Version 3.28.0 and later */
  int (*stmt_isexplain)(sqlite3_stmt*);
  int (*value_frombind)(sqlite3_value*);
  /* Version 3.30.0 and later */
  int (*drop_modules)(sqlite3*,const char**);
};

/*
** This is the function signature used for all extension entry points.  It
** is also defined in the file "loadext.c".
*/
typedef int (*sqlite3_loadext_entry)(

/* Version 3.25.0 and later */
#define sqlite3_create_window_function sqlite3_api->create_window_function
/* Version 3.26.0 and later */
#define sqlite3_normalized_sql         sqlite3_api->normalized_sql
/* Version 3.28.0 and later */
#define sqlite3_stmt_isexplain         sqlite3_api->isexplain
#define sqlite3_value_frombind         sqlite3_api->frombind
/* Version 3.30.0 and later */
#define sqlite3_drop_modules           sqlite3_api->drop_modules
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;

  }
#endif

  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
  Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
  return TCL_OK;
}

/*
** Usage:  sqlite3_drop_modules DB ?NAME ...?
**
** Invoke the sqlite3_drop_modules(D,L) interface on database
** connection DB, in order to drop all modules except those named in
** the argument.
*/
static int SQLITE_TCLAPI test_drop_modules(
  void *NotUsed,
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int argc,              /* Number of arguments */
  char **argv            /* Text of each argument */
){
  sqlite3 *db;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " DB\"", 0);
    return TCL_ERROR;
  }
  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
  sqlite3_drop_modules(db, argc>2 ? (const char**)(argv+2) : 0);
  return TCL_OK;
}

/*
** Routines to implement the x_count() aggregate function.
**
** x_count() counts the number of non-null arguments.  But there are
** some twists for testing purposes.
**

#ifndef SQLITE_OMIT_GET_TABLE
     { "sqlite3_get_table_printf",      (Tcl_CmdProc*)test_get_table_printf },
#endif
     { "sqlite3_close",                 (Tcl_CmdProc*)sqlite_test_close     },
     { "sqlite3_close_v2",              (Tcl_CmdProc*)sqlite_test_close_v2  },
     { "sqlite3_create_function",       (Tcl_CmdProc*)test_create_function  },
     { "sqlite3_create_aggregate",      (Tcl_CmdProc*)test_create_aggregate },
     { "sqlite3_drop_modules",          (Tcl_CmdProc*)test_drop_modules     },
     { "sqlite_register_test_function", (Tcl_CmdProc*)test_register_func    },
     { "sqlite_abort",                  (Tcl_CmdProc*)sqlite_abort          },
     { "sqlite_bind",                   (Tcl_CmdProc*)test_bind             },
     { "breakpoint",                    (Tcl_CmdProc*)test_breakpoint       },
     { "sqlite3_key",                   (Tcl_CmdProc*)test_key              },
     { "sqlite3_rekey",                 (Tcl_CmdProc*)test_rekey            },
     { "sqlite_set_magic",              (Tcl_CmdProc*)sqlite_set_magic      },

  pDel = (Module *)sqlite3HashInsert(&db->aModule,zCopy,(void*)pMod);
  if( pDel ){
    if( pDel==pMod ){
      sqlite3OomFault(db);
      sqlite3DbFree(db, pDel);
      pMod = 0;
    }else{
      sqlite3VtabEponymousTableClear(db, pDel);
      sqlite3VtabModuleUnref(db, pDel);
    }
  }
  return pMod;
}

/*

  void (*xDestroy)(void *)        /* Module destructor function */
){
#ifdef SQLITE_ENABLE_API_ARMOR
  if( !sqlite3SafetyCheckOk(db) || zName==0 ) return SQLITE_MISUSE_BKPT;
#endif
  return createModule(db, zName, pModule, pAux, xDestroy);
}

/*
** External API to drop all virtual-table modules, except those named
** on the azNames list.
*/
int sqlite3_drop_modules(sqlite3 *db, const char** azNames){
  HashElem *pThis, *pNext;
#ifdef SQLITE_ENABLE_API_ARMOR
  if( !sqlite3SafetyCheckOk(db) ) return SQLITE_MISUSE_BKPT;
#endif
  for(pThis=sqliteHashFirst(&db->aModule); pThis; pThis=pNext){
    Module *pMod = (Module*)sqliteHashData(pThis);
    pNext = sqliteHashNext(pThis);
    if( azNames ){
      int ii;
      for(ii=0; azNames[ii]!=0 && strcmp(azNames[ii],pMod->zName)!=0; ii++){}
      if( azNames[ii]!=0 ) continue;
    }
    createModule(db, pMod->zName, 0, 0, 0);
  }
  return SQLITE_OK;
}

/*
** Decrement the reference count on a Module object.  Destroy the
** module when the reference count reaches zero.
*/
void sqlite3VtabModuleUnref(sqlite3 *db, Module *pMod){
  assert( pMod->nRefModule>0 );

        assert( j>=pLoop->u.btree.nEq 
            || (pLoop->aLTerm[j]==0)==(j<pLoop->nSkip)
        );
        if( j<pLoop->u.btree.nEq && j>=pLoop->nSkip ){
          u16 eOp = pLoop->aLTerm[j]->eOperator;

          /* Skip over == and IS and ISNULL terms.  (Also skip IN terms when
          ** doing WHERE_ORDERBY_LIMIT processing).  Except, IS and ISNULL
          ** terms imply that the index is not UNIQUE NOT NULL in which case
          ** the loop need to be marked as not order-distinct because it can
          ** have repeated NULL rows.
          **
          ** If the current term is a column of an ((?,?) IN (SELECT...)) 
          ** expression for which the SELECT returns more than one column,
          ** check that it is the only column used by this loop. Otherwise,
          ** if it is one of two or more, none of the columns can be
          ** considered to match an ORDER BY term.
          */
          if( (eOp & eqOpMask)!=0 ){
            if( eOp & (WO_ISNULL|WO_IS) ){
              testcase( eOp & WO_ISNULL );
              testcase( eOp & WO_IS );
              testcase( isOrderDistinct );
              isOrderDistinct = 0;
            }
            continue;  
          }else if( ALWAYS(eOp & WO_IN) ){
            /* ALWAYS() justification: eOp is an equality operator due to the
            ** j<pLoop->u.btree.nEq constraint above.  Any equality other

**
** If pExpr matches, then transform it into a reference to the index column
** that contains the value of pExpr.
*/
static int whereIndexExprTransNode(Walker *p, Expr *pExpr){
  IdxExprTrans *pX = p->u.pIdxTrans;
  if( sqlite3ExprCompare(0, pExpr, pX->pIdxExpr, pX->iTabCur)==0 ){
    pExpr->affExpr = sqlite3ExprAffinity(pExpr);
    pExpr->op = TK_COLUMN;
    pExpr->iTable = pX->iIdxCur;
    pExpr->iColumn = pX->iIdxCol;
    pExpr->y.pTab = 0;
    return WRC_Prune;
  }else{
    return WRC_Continue;

#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this file is type affinity in comparison operations.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix affinity2

do_execsql_test affinity2-100 {
  CREATE TABLE t1(
    xi INTEGER,
    xr REAL,
    xb BLOB,
    xn NUMERIC,

do_execsql_test affinity2-220 {
  SELECT rowid, xn==xt, xn==xb, xn==+xt FROM t1 ORDER BY rowid;
} {1 1 1 1 2 1 1 1 3 1 1 1}

do_execsql_test affinity2-300 {
  SELECT rowid, xt==+xi, xt==xi, xt==xb FROM t1 ORDER BY rowid;
} {1 1 1 0 2 1 1 1 3 0 1 1}

#-------------------------------------------------------------------------
do_execsql_test 400 {
  CREATE TABLE ttt(c0, c1);
  CREATE INDEX ii ON ttt(CAST(c0 AS NUMERIC)); 
  INSERT INTO ttt VALUES('abc', '-1');
}
do_execsql_test 410 {
  SELECT * FROM ttt WHERE CAST(c0 AS NUMERIC) > c1 GROUP BY rowid; 
} {abc -1}
do_execsql_test 420 {
  SELECT * FROM ttt INDEXED BY ii WHERE CAST(c0 AS NUMERIC) > c1 GROUP BY rowid;
} {abc -1}

do_execsql_test 430 {
  CREATE TABLE t3(a, b, c INTEGER);
  CREATE INDEX t3ac ON t3(a, c-1);
  INSERT INTO t3 VALUES(1, 1, 1);
  INSERT INTO t3 VALUES(2, 1, 0);
  INSERT INTO t3 VALUES(3, 1, 1);
  INSERT INTO t3 VALUES(4, 1, 0);
  INSERT INTO t3 VALUES(5, 1, 1);
}
do_execsql_test 440 {
  SELECT * FROM t3 WHERE c='0' ORDER BY a;
} {2 1 0 4 1 0}

finish_test

} {
  one 0 1
  one 1 1
  two 0 1
  two 1 1
}

#-------------------------------------------------------------------------
#
reset_db
do_execsql_test 3000 {
  CREATE TABLE t0 (c0, c1 NOT NULL DEFAULT 1, c2, PRIMARY KEY (c0, c1));
  INSERT INTO t0(c2) VALUES (NULL), (NULL), (NULL), (NULL), (NULL), (NULL), (NULL), (NULL), (NULL), (NULL), (NULL);
  INSERT INTO t0(c2) VALUES('a');
}

do_execsql_test 3010 {
  SELECT DISTINCT * FROM t0 WHERE NULL IS t0.c0;
} {
  {} 1 {}
  {} 1 a
}

do_execsql_test 3020 {
  ANALYZE;
}

do_execsql_test 3030 {
  SELECT DISTINCT * FROM t0 WHERE NULL IS c0;
} {
  {} 1 {}
  {} 1 a
}

finish_test

do_test 4.3 {
  llength [db one {
    SELECT snippet(t4, '', '', '', 0, 150) FROM t4 WHERE t4 MATCH 'E'
  }]
} {64}

#-------------------------------------------------------------------------
# Request a snippet from a query with more than 64 phrases.
#
do_execsql_test 5.0 {
  CREATE VIRTUAL TABLE t5 USING fts3(x);
  INSERT INTO t5 VALUES('a1 a2 a3');
  INSERT INTO t5 VALUES('a4 a5 a6');
  INSERT INTO t5 VALUES('a70 a71 a72');
}

do_execsql_test 5.1 {
  SELECT snippet(t5, '[', ']') FROM t5 WHERE t5 MATCH 
  'a1 OR a2 OR a3 OR a4 OR a5 OR a6 OR a7 OR a8 OR a9 OR a10 OR ' ||
  'a11 OR a12 OR a13 OR a14 OR a15 OR a16 OR a17 OR a18 OR a19 OR a10 OR ' ||
  'a21 OR a22 OR a23 OR a24 OR a25 OR a26 OR a27 OR a28 OR a29 OR a20 OR ' ||
  'a31 OR a32 OR a33 OR a34 OR a35 OR a36 OR a37 OR a38 OR a39 OR a30 OR ' ||
  'a41 OR a42 OR a43 OR a44 OR a45 OR a46 OR a47 OR a48 OR a49 OR a40 OR ' ||
  'a51 OR a52 OR a53 OR a54 OR a55 OR a56 OR a57 OR a58 OR a59 OR a50 OR ' ||
  'a61 OR a62 OR a63 OR a64 OR a65 OR a66 OR a67 OR a68 OR a69 OR a60 OR ' ||
  'a71 OR a72 OR a73 OR a74 OR a75 OR a76 OR a77 OR a78 OR a79 OR a70'
} {
  {[a1] [a2] [a3]}
  {[a4] [a5] [a6]}
  {[a70] [a71] [a72]}
}

set sqlite_fts3_enable_parentheses 0
finish_test

  CREATE TABLE t9(a INTEGER PRIMARY KEY);
  INSERT INTO t9 VALUES (44), (45);
}
do_execsql_test 9.1 {
  SELECT * FROM t9 WHERE a IN (44, 45, 44, 45)
} {44 45}

#-------------------------------------------------------------------------
# Test that ticket c7a117190 is fixed.
#
reset_db
do_execsql_test 9.0 {
  CREATE TABLE t0(c0);
  CREATE VIEW v0(c0) AS SELECT LOWER(CAST('1e500' AS TEXT)) FROM t0;
  INSERT INTO t0(c0) VALUES (NULL);
}

do_execsql_test 9.1 {
  SELECT lower('1e500') FROM t0 WHERE rowid NOT IN (0, 0, lower('1e500'));
} {1e500}

do_execsql_test 9.2 {
  SELECT lower('1e500') FROM t0 WHERE rowid != lower('1e500');
} {1e500}

finish_test

  CREATE TABLE t1(a INT);
  INSERT INTO t1(a) VALUES(1);
  CREATE TABLE t2(b INT);
  SELECT a, b
    FROM t1 LEFT JOIN t2 ON 0
   WHERE (b IS NOT NULL)=0;
} {1 {}}

# 2019-08-17 ticket https://sqlite.org/src/tktview/6710d2f7a13a299728ab
# Ensure that constants that derive from the right-hand table of a LEFT JOIN
# are never factored out, since they are not really constant.
#
do_execsql_test join-17.100 {
  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1(x);
  INSERT INTO t1(x) VALUES(0),(1);
  SELECT * FROM t1 LEFT JOIN (SELECT abs(1) AS y FROM t1) ON x WHERE NOT(y='a');
} {1 1 1 1}
do_execsql_test join-17.110 {
  SELECT * FROM t1 LEFT JOIN (SELECT abs(1)+2 AS y FROM t1) ON x
   WHERE NOT(y='a');
} {1 3 1 3}

finish_test

# 2017 August 25
#
# 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.
#
# This file implements tests for the PRAGMA command. Specifically,
# those pragmas that are not disabled at build time by setting:
#
#   -DSQLITE_OMIT_INTROSPECTION_PRAGMAS
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix pragma5

if { [catch {db one "SELECT count(*) FROM pragma_function_list"}] } {

  }
} -test {
  faultsim_test_result [list 0 $::L]
}

catch {db close}
tvfs delete

reset_db
do_execsql_test 10.0 {
  CREATE TABLE t1(a, b, c, d);
  CREATE TABLE t2(a, b, c, d);
}

do_faultsim_test 1 -faults oom* -prep {
} -body {
  execsql {
    SELECT row_number() OVER win
    FROM t1
    WINDOW win AS (
      ORDER BY (
        SELECT percent_rank() OVER win2 FROM t2
        WINDOW win2 AS (ORDER BY a)
      )
    )
  }
} -test {
  faultsim_test_result {0 {}}
}

finish_test

  COLS: seq name file
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: function_list
  FLAG: Result0
  COLS: name builtin
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  IF:   !defined(SQLITE_OMIT_INTROSPECTION_PRAGMAS)

  NAME: module_list
  FLAG: Result0
  COLS: name
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  IF:   !defined(SQLITE_OMIT_VIRTUALTABLE)
  IF:   !defined(SQLITE_OMIT_INTROSPECTION_PRAGMAS)

  NAME: pragma_list
  FLAG: Result0
  COLS: name
  IF:   !defined(SQLITE_OMIT_INTROSPECTION_PRAGMAS)

  NAME: collation_list
  FLAG: Result0
  COLS: seq name
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: foreign_key_list