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Overview
Comment:Merge recent trunk changes into fts3-prefix-search branch.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | fts3-prefix-search
Files: files | file ages | folders
SHA1: 135ce30f62ebd6a1b239c18dbbd9c926ea507db4
User & Date: dan 2011-06-14 07:22:30
Context
2011-06-14
09:00
Fix another bug caused by NEAR/matchinfo/order=DESC interaction. check-in: 04907fba user: dan tags: fts3-prefix-search
07:22
Merge recent trunk changes into fts3-prefix-search branch. check-in: 135ce30f user: dan tags: fts3-prefix-search
07:14
Remove unused parameters from internal fts3 function. check-in: 06de3f2c user: dan tags: fts3-prefix-search
2011-06-13
12:19
Use only unsigned values in the implementatin of LIKE and GLOB so that values won't overflow to negative when dealing with malformed UTF8. check-in: 77f01578 user: drh tags: trunk
Changes
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Changes to ext/fts3/fts3.c.

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      pCsr->isMatchinfoNeeded = 1;
      pCsr->iPrevId = pExpr->iDocid;
    }while( pCsr->isEof==0 && fts3EvalLoadDeferred(pCsr, &rc) );
  }
  return rc;
}










static void fts3EvalRestart(
  Fts3Cursor *pCsr,
  Fts3Expr *pExpr,
  int *pRc
){
  if( pExpr && *pRc==SQLITE_OK ){
    Fts3Phrase *pPhrase = pExpr->pPhrase;







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      pCsr->isMatchinfoNeeded = 1;
      pCsr->iPrevId = pExpr->iDocid;
    }while( pCsr->isEof==0 && fts3EvalLoadDeferred(pCsr, &rc) );
  }
  return rc;
}

/*
** Restart interation for expression pExpr so that the next call to
** sqlite3Fts3EvalNext() visits the first row. Do not allow incremental 
** loading or merging of phrase doclists for this iteration.
**
** If *pRc is other than SQLITE_OK when this function is called, it is
** a no-op. If an error occurs within this function, *pRc is set to an
** SQLite error code before returning.
*/
static void fts3EvalRestart(
  Fts3Cursor *pCsr,
  Fts3Expr *pExpr,
  int *pRc
){
  if( pExpr && *pRc==SQLITE_OK ){
    Fts3Phrase *pPhrase = pExpr->pPhrase;

Changes to src/fkey.c.

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      for(i=0; i<nCol; i++){
        sqlite3VdbeAddOp2(v, OP_Copy, aiCol[i]+1+regData, regTemp+i);
      }
  
      /* If the parent table is the same as the child table, and we are about
      ** to increment the constraint-counter (i.e. this is an INSERT operation),
      ** then check if the row being inserted matches itself. If so, do not
      ** increment the constraint-counter.  */






      if( pTab==pFKey->pFrom && nIncr==1 ){
        int iJump = sqlite3VdbeCurrentAddr(v) + nCol + 1;
        for(i=0; i<nCol; i++){
          int iChild = aiCol[i]+1+regData;
          int iParent = pIdx->aiColumn[i]+1+regData;





          sqlite3VdbeAddOp3(v, OP_Ne, iChild, iJump, iParent);

        }
        sqlite3VdbeAddOp2(v, OP_Goto, 0, iOk);
      }
  
      sqlite3VdbeAddOp3(v, OP_MakeRecord, regTemp, nCol, regRec);
      sqlite3VdbeChangeP4(v, -1, sqlite3IndexAffinityStr(v,pIdx), P4_TRANSIENT);
      sqlite3VdbeAddOp4Int(v, OP_Found, iCur, iOk, regRec, 0);







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      for(i=0; i<nCol; i++){
        sqlite3VdbeAddOp2(v, OP_Copy, aiCol[i]+1+regData, regTemp+i);
      }
  
      /* If the parent table is the same as the child table, and we are about
      ** to increment the constraint-counter (i.e. this is an INSERT operation),
      ** then check if the row being inserted matches itself. If so, do not
      ** increment the constraint-counter. 
      **
      ** If any of the parent-key values are NULL, then the row cannot match 
      ** itself. So set JUMPIFNULL to make sure we do the OP_Found if any
      ** of the parent-key values are NULL (at this point it is known that
      ** none of the child key values are).
      */
      if( pTab==pFKey->pFrom && nIncr==1 ){
        int iJump = sqlite3VdbeCurrentAddr(v) + nCol + 1;
        for(i=0; i<nCol; i++){
          int iChild = aiCol[i]+1+regData;
          int iParent = pIdx->aiColumn[i]+1+regData;
          assert( aiCol[i]!=pTab->iPKey );
          if( pIdx->aiColumn[i]==pTab->iPKey ){
            /* The parent key is a composite key that includes the IPK column */
            iParent = regData;
          }
          sqlite3VdbeAddOp3(v, OP_Ne, iChild, iJump, iParent);
          sqlite3VdbeChangeP5(v, SQLITE_JUMPIFNULL);
        }
        sqlite3VdbeAddOp2(v, OP_Goto, 0, iOk);
      }
  
      sqlite3VdbeAddOp3(v, OP_MakeRecord, regTemp, nCol, regRec);
      sqlite3VdbeChangeP4(v, -1, sqlite3IndexAffinityStr(v,pIdx), P4_TRANSIENT);
      sqlite3VdbeAddOp4Int(v, OP_Found, iCur, iOk, regRec, 0);

Changes to src/func.c.

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** able to participate in upper-case-to-lower-case mappings in EBCDIC
** whereas only characters less than 0x80 do in ASCII.
*/
#if defined(SQLITE_EBCDIC)
# define sqlite3Utf8Read(A,C)    (*(A++))
# define GlogUpperToLower(A)     A = sqlite3UpperToLower[A]
#else
# define GlogUpperToLower(A)     if( A<0x80 ){ A = sqlite3UpperToLower[A]; }
#endif

static const struct compareInfo globInfo = { '*', '?', '[', 0 };
/* The correct SQL-92 behavior is for the LIKE operator to ignore
** case.  Thus  'a' LIKE 'A' would be true. */
static const struct compareInfo likeInfoNorm = { '%', '_',   0, 1 };
/* If SQLITE_CASE_SENSITIVE_LIKE is defined, then the LIKE operator
................................................................................
**
**         abc[*]xyz        Matches "abc*xyz" only
*/
static int patternCompare(
  const u8 *zPattern,              /* The glob pattern */
  const u8 *zString,               /* The string to compare against the glob */
  const struct compareInfo *pInfo, /* Information about how to do the compare */
  const int esc                    /* The escape character */
){
  int c, c2;
  int invert;
  int seen;
  u8 matchOne = pInfo->matchOne;
  u8 matchAll = pInfo->matchAll;
  u8 matchSet = pInfo->matchSet;
  u8 noCase = pInfo->noCase; 
  int prevEscape = 0;     /* True if the previous character was 'escape' */
................................................................................
*/
static void likeFunc(
  sqlite3_context *context, 
  int argc, 
  sqlite3_value **argv
){
  const unsigned char *zA, *zB;
  int escape = 0;
  int nPat;
  sqlite3 *db = sqlite3_context_db_handle(context);

  zB = sqlite3_value_text(argv[0]);
  zA = sqlite3_value_text(argv[1]);

  /* Limit the length of the LIKE or GLOB pattern to avoid problems







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** able to participate in upper-case-to-lower-case mappings in EBCDIC
** whereas only characters less than 0x80 do in ASCII.
*/
#if defined(SQLITE_EBCDIC)
# define sqlite3Utf8Read(A,C)  (*(A++))
# define GlogUpperToLower(A)   A = sqlite3UpperToLower[A]
#else
# define GlogUpperToLower(A)   if( !((A)&~0x7f) ){ A = sqlite3UpperToLower[A]; }
#endif

static const struct compareInfo globInfo = { '*', '?', '[', 0 };
/* The correct SQL-92 behavior is for the LIKE operator to ignore
** case.  Thus  'a' LIKE 'A' would be true. */
static const struct compareInfo likeInfoNorm = { '%', '_',   0, 1 };
/* If SQLITE_CASE_SENSITIVE_LIKE is defined, then the LIKE operator
................................................................................
**
**         abc[*]xyz        Matches "abc*xyz" only
*/
static int patternCompare(
  const u8 *zPattern,              /* The glob pattern */
  const u8 *zString,               /* The string to compare against the glob */
  const struct compareInfo *pInfo, /* Information about how to do the compare */
  u32 esc                          /* The escape character */
){
  u32 c, c2;
  int invert;
  int seen;
  u8 matchOne = pInfo->matchOne;
  u8 matchAll = pInfo->matchAll;
  u8 matchSet = pInfo->matchSet;
  u8 noCase = pInfo->noCase; 
  int prevEscape = 0;     /* True if the previous character was 'escape' */
................................................................................
*/
static void likeFunc(
  sqlite3_context *context, 
  int argc, 
  sqlite3_value **argv
){
  const unsigned char *zA, *zB;
  u32 escape = 0;
  int nPat;
  sqlite3 *db = sqlite3_context_db_handle(context);

  zB = sqlite3_value_text(argv[0]);
  zA = sqlite3_value_text(argv[1]);

  /* Limit the length of the LIKE or GLOB pattern to avoid problems

Changes to src/pcache1.c.

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  pCache = (PCache1 *)sqlite3_malloc(sz);
  if( pCache ){
    memset(pCache, 0, sz);
    if( separateCache ){
      pGroup = (PGroup*)&pCache[1];
      pGroup->mxPinned = 10;
    }else{
      pGroup = &pcache1_g.grp;
    }
    pCache->pGroup = pGroup;
    pCache->szPage = szPage;
    pCache->bPurgeable = (bPurgeable ? 1 : 0);
    if( bPurgeable ){
      pCache->nMin = 10;
      pcache1EnterMutex(pGroup);







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  pCache = (PCache1 *)sqlite3_malloc(sz);
  if( pCache ){
    memset(pCache, 0, sz);
    if( separateCache ){
      pGroup = (PGroup*)&pCache[1];
      pGroup->mxPinned = 10;
    }else{
      pGroup = &pcache1.grp;
    }
    pCache->pGroup = pGroup;
    pCache->szPage = szPage;
    pCache->bPurgeable = (bPurgeable ? 1 : 0);
    if( bPurgeable ){
      pCache->nMin = 10;
      pcache1EnterMutex(pGroup);

Changes to src/sqliteInt.h.

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** Schema objects are automatically deallocated when the last Btree that
** references them is destroyed.   The TEMP Schema is manually freed by
** sqlite3_close().
*
** A thread must be holding a mutex on the corresponding Btree in order
** to access Schema content.  This implies that the thread must also be
** holding a mutex on the sqlite3 connection pointer that owns the Btree.
** For a TEMP Schema, on the connection mutex is required.
*/
struct Schema {
  int schema_cookie;   /* Database schema version number for this file */
  int iGeneration;     /* Generation counter.  Incremented with each change */
  Hash tblHash;        /* All tables indexed by name */
  Hash idxHash;        /* All (named) indices indexed by name */
  Hash trigHash;       /* All triggers indexed by name */
................................................................................
int sqlite3FixExprList(DbFixer*, ExprList*);
int sqlite3FixTriggerStep(DbFixer*, TriggerStep*);
int sqlite3AtoF(const char *z, double*, int, u8);
int sqlite3GetInt32(const char *, int*);
int sqlite3Atoi(const char*);
int sqlite3Utf16ByteLen(const void *pData, int nChar);
int sqlite3Utf8CharLen(const char *pData, int nByte);
int sqlite3Utf8Read(const u8*, const u8**);

/*
** Routines to read and write variable-length integers.  These used to
** be defined locally, but now we use the varint routines in the util.c
** file.  Code should use the MACRO forms below, as the Varint32 versions
** are coded to assume the single byte case is already handled (which 
** the MACRO form does).







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** Schema objects are automatically deallocated when the last Btree that
** references them is destroyed.   The TEMP Schema is manually freed by
** sqlite3_close().
*
** A thread must be holding a mutex on the corresponding Btree in order
** to access Schema content.  This implies that the thread must also be
** holding a mutex on the sqlite3 connection pointer that owns the Btree.
** For a TEMP Schema, only the connection mutex is required.
*/
struct Schema {
  int schema_cookie;   /* Database schema version number for this file */
  int iGeneration;     /* Generation counter.  Incremented with each change */
  Hash tblHash;        /* All tables indexed by name */
  Hash idxHash;        /* All (named) indices indexed by name */
  Hash trigHash;       /* All triggers indexed by name */
................................................................................
int sqlite3FixExprList(DbFixer*, ExprList*);
int sqlite3FixTriggerStep(DbFixer*, TriggerStep*);
int sqlite3AtoF(const char *z, double*, int, u8);
int sqlite3GetInt32(const char *, int*);
int sqlite3Atoi(const char*);
int sqlite3Utf16ByteLen(const void *pData, int nChar);
int sqlite3Utf8CharLen(const char *pData, int nByte);
u32 sqlite3Utf8Read(const u8*, const u8**);

/*
** Routines to read and write variable-length integers.  These used to
** be defined locally, but now we use the varint routines in the util.c
** file.  Code should use the MACRO forms below, as the Varint32 versions
** are coded to assume the single byte case is already handled (which 
** the MACRO form does).

Changes to src/update.c.

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  for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, nIdx++){}
  if( nIdx>0 ){
    aRegIdx = sqlite3DbMallocRaw(db, sizeof(Index*) * nIdx );
    if( aRegIdx==0 ) goto update_cleanup;
  }
  for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
    int reg;
    if( chngRowid ){
      reg = ++pParse->nMem;
    }else{
      reg = 0;
      for(i=0; i<pIdx->nColumn; i++){
        if( aXRef[pIdx->aiColumn[i]]>=0 ){
          reg = ++pParse->nMem;
          break;







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  for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, nIdx++){}
  if( nIdx>0 ){
    aRegIdx = sqlite3DbMallocRaw(db, sizeof(Index*) * nIdx );
    if( aRegIdx==0 ) goto update_cleanup;
  }
  for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
    int reg;
    if( hasFK || chngRowid ){
      reg = ++pParse->nMem;
    }else{
      reg = 0;
      for(i=0; i<pIdx->nColumn; i++){
        if( aXRef[pIdx->aiColumn[i]]>=0 ){
          reg = ++pParse->nMem;
          break;

Changes to src/utf.c.

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    while( zIn!=zTerm && (*zIn & 0xc0)==0x80 ){            \
      c = (c<<6) + (0x3f & *(zIn++));                      \
    }                                                      \
    if( c<0x80                                             \
        || (c&0xFFFFF800)==0xD800                          \
        || (c&0xFFFFFFFE)==0xFFFE ){  c = 0xFFFD; }        \
  }
int sqlite3Utf8Read(
  const unsigned char *zIn,       /* First byte of UTF-8 character */
  const unsigned char **pzNext    /* Write first byte past UTF-8 char here */
){
  unsigned int c;

  /* Same as READ_UTF8() above but without the zTerm parameter.
  ** For this routine, we assume the UTF8 string is always zero-terminated.







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    while( zIn!=zTerm && (*zIn & 0xc0)==0x80 ){            \
      c = (c<<6) + (0x3f & *(zIn++));                      \
    }                                                      \
    if( c<0x80                                             \
        || (c&0xFFFFF800)==0xD800                          \
        || (c&0xFFFFFFFE)==0xFFFE ){  c = 0xFFFD; }        \
  }
u32 sqlite3Utf8Read(
  const unsigned char *zIn,       /* First byte of UTF-8 character */
  const unsigned char **pzNext    /* Write first byte past UTF-8 char here */
){
  unsigned int c;

  /* Same as READ_UTF8() above but without the zTerm parameter.
  ** For this routine, we assume the UTF8 string is always zero-terminated.

Changes to test/fkey3.test.

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

ifcapable {!foreignkey||!trigger} {
  finish_test
  return
}



# Create a table and some data to work with.
#
do_test fkey3-1.1 {
  execsql {
    PRAGMA foreign_keys=ON;
    CREATE TABLE t1(x INTEGER PRIMARY KEY);
................................................................................
    INSERT INTO t2 VALUES(100);
    INSERT INTO t2 VALUES(101);
    SELECT 1, x FROM t1;
    SELECT 2, y FROM t2;
  }
} {1 100 1 101 2 100 2 101}









































































































finish_test







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

ifcapable {!foreignkey||!trigger} {
  finish_test
  return
}

set testprefix fkey3

# Create a table and some data to work with.
#
do_test fkey3-1.1 {
  execsql {
    PRAGMA foreign_keys=ON;
    CREATE TABLE t1(x INTEGER PRIMARY KEY);
................................................................................
    INSERT INTO t2 VALUES(100);
    INSERT INTO t2 VALUES(101);
    SELECT 1, x FROM t1;
    SELECT 2, y FROM t2;
  }
} {1 100 1 101 2 100 2 101}


#-------------------------------------------------------------------------
# The following tests - fkey-3.* - test some edge cases to do with 
# inserting rows into tables that have foreign keys where the parent
# table is the same as the child table. Especially cases where the
# new row being inserted matches itself.
#
do_execsql_test 3.1.1 {
  CREATE TABLE t3(a, b, c, d, 
    UNIQUE(a, b),
    FOREIGN KEY(c, d) REFERENCES t3(a, b)
  );
  INSERT INTO t3 VALUES(1, 2, 1, 2);
} {}
do_catchsql_test 3.1.2 {
  INSERT INTO t3 VALUES(NULL, 2, 5, 2);
} {1 {foreign key constraint failed}}
do_catchsql_test 3.1.3 {
  INSERT INTO t3 VALUES(NULL, 3, 5, 2);
} {1 {foreign key constraint failed}}

do_execsql_test 3.2.1 {
  CREATE TABLE t4(a UNIQUE, b REFERENCES t4(a));
}
do_catchsql_test 3.2.2 {
  INSERT INTO t4 VALUES(NULL, 1);
} {1 {foreign key constraint failed}}

do_execsql_test 3.3.1 {
  CREATE TABLE t5(a INTEGER PRIMARY KEY, b REFERENCES t5(a));
  INSERT INTO t5 VALUES(NULL, 1);
} {}
do_catchsql_test 3.3.2 {
  INSERT INTO t5 VALUES(NULL, 3);
} {1 {foreign key constraint failed}}

do_execsql_test 3.4.1 {
  CREATE TABLE t6(a INTEGER PRIMARY KEY, b, c, d,
    FOREIGN KEY(c, d) REFERENCES t6(a, b)
  );
  CREATE UNIQUE INDEX t6i ON t6(b, a);
}
do_execsql_test 3.4.2  { INSERT INTO t6 VALUES(NULL, 'a', 1, 'a'); } {}
do_execsql_test 3.4.3  { INSERT INTO t6 VALUES(2, 'a', 2, 'a');    } {}
do_execsql_test 3.4.4  { INSERT INTO t6 VALUES(NULL, 'a', 1, 'a'); } {}
do_execsql_test 3.4.5  { INSERT INTO t6 VALUES(5, 'a', 2, 'a'); } {}
do_catchsql_test 3.4.6 { 
  INSERT INTO t6 VALUES(NULL, 'a', 65, 'a');    
} {1 {foreign key constraint failed}}

do_execsql_test 3.4.7 {
  INSERT INTO t6 VALUES(100, 'one', 100, 'one');
  DELETE FROM t6 WHERE a = 100;
}
do_execsql_test 3.4.8 {
  INSERT INTO t6 VALUES(100, 'one', 100, 'one');
  UPDATE t6 SET c = 1, d = 'a' WHERE a = 100;
  DELETE FROM t6 WHERE a = 100;
}

do_execsql_test 3.5.1 {
  CREATE TABLE t7(a, b, c, d INTEGER PRIMARY KEY,
    FOREIGN KEY(c, d) REFERENCES t7(a, b)
  );
  CREATE UNIQUE INDEX t7i ON t7(a, b);
}
do_execsql_test 3.5.2  { INSERT INTO t7 VALUES('x', 1, 'x', NULL) } {}
do_execsql_test 3.5.3  { INSERT INTO t7 VALUES('x', 2, 'x', 2) } {}
do_catchsql_test 3.5.4  { 
  INSERT INTO t7 VALUES('x', 450, 'x', NULL);
} {1 {foreign key constraint failed}}
do_catchsql_test 3.5.5  { 
  INSERT INTO t7 VALUES('x', 450, 'x', 451);
} {1 {foreign key constraint failed}}


do_execsql_test 3.6.1 {
  CREATE TABLE t8(a, b, c, d, e, FOREIGN KEY(c, d) REFERENCES t8(a, b));
  CREATE UNIQUE INDEX t8i1 ON t8(a, b);
  CREATE UNIQUE INDEX t8i2 ON t8(c);
  INSERT INTO t8 VALUES(1, 1, 1, 1, 1);
}
do_catchsql_test 3.6.2 { 
  UPDATE t8 SET d = 2; 
} {1 {foreign key constraint failed}}
do_execsql_test 3.6.3 { UPDATE t8 SET d = 1; }
do_execsql_test 3.6.4 { UPDATE t8 SET e = 2; }

do_catchsql_test 3.6.5 {
  CREATE TABLE TestTable (
    id INTEGER PRIMARY KEY,
    name text,
    source_id integer not null,
    parent_id integer,

    foreign key(source_id, parent_id) references TestTable(source_id, id)
  );
  CREATE UNIQUE INDEX testindex on TestTable(source_id, id);
  PRAGMA foreign_keys=1;
  INSERT INTO TestTable VALUES (1, 'parent', 1, null);
  INSERT INTO TestTable VALUES (2, 'child', 1, 1);
  UPDATE TestTable SET parent_id=1000 where id=2;
} {1 {foreign key constraint failed}}

finish_test