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Refactor the sqlite3VdbeRecordUnpack() interface to better accommodate the vdbesort.c module.

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FossilOrigin-Name: f115b2303509c678dbe83b2fa3d9c40d82882813
This commit is contained in:
dan
2011-09-05 14:20:27 +00:00
parent 19c88c1a99
commit 03e9cfc223
7 changed files with 87 additions and 102 deletions
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13
src/vdbe.c
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@@ -3531,6 +3531,7 @@ case OP_Found: { /* jump, in3 */
int alreadyExists;
VdbeCursor *pC;
int res;
char *pFree;
UnpackedRecord *pIdxKey;
UnpackedRecord r;
char aTempRec[ROUND8(sizeof(UnpackedRecord)) + sizeof(Mem)*3 + 7];
@@ -3558,18 +3559,18 @@ case OP_Found: { /* jump, in3 */
r.flags = UNPACKED_PREFIX_MATCH;
pIdxKey = &r;
}else{
pIdxKey = sqlite3VdbeAllocUnpackedRecord(
pC->pKeyInfo, aTempRec, sizeof(aTempRec), &pFree
);
if( pIdxKey==0 ) goto no_mem;
assert( pIn3->flags & MEM_Blob );
assert( (pIn3->flags & MEM_Zero)==0 ); /* zeroblobs already expanded */
pIdxKey = sqlite3VdbeRecordUnpack(pC->pKeyInfo, pIn3->n, pIn3->z,
aTempRec, sizeof(aTempRec));
if( pIdxKey==0 ){
goto no_mem;
}
sqlite3VdbeRecordUnpack(pC->pKeyInfo, pIn3->n, pIn3->z, pIdxKey);
pIdxKey->flags |= UNPACKED_PREFIX_MATCH;
}
rc = sqlite3BtreeMovetoUnpacked(pC->pCursor, pIdxKey, 0, 0, &res);
if( pOp->p4.i==0 ){
sqlite3VdbeDeleteUnpackedRecord(pIdxKey);
sqlite3DbFree(db, pFree);
}
if( rc!=SQLITE_OK ){
break;