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Further performance enhancements in zeroblob() handling.

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FossilOrigin-Name: 21b0e3b75c531a5ce33a1503f9bf647d56f56a5b
This commit is contained in:
drh
2016-09-20 01:46:15 +00:00
parent 8aaf7bcc8d
commit ff535a2499
4 changed files with 26 additions and 27 deletions
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4
src/vdbeapi.c
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@@ -169,7 +169,7 @@ int sqlite3_clear_bindings(sqlite3_stmt *pStmt){
const void *sqlite3_value_blob(sqlite3_value *pVal){
Mem *p = (Mem*)pVal;
if( p->flags & (MEM_Blob|MEM_Str) ){
if( sqlite3VdbeMemExpandBlob(p)!=SQLITE_OK ){
if( ExpandBlob(p)!=SQLITE_OK ){
assert( p->flags==MEM_Null && p->z==0 );
return 0;
}
@@ -1775,7 +1775,7 @@ int sqlite3_preupdate_new(sqlite3 *db, int iIdx, sqlite3_value **ppValue){
UnpackedRecord *pUnpack = p->pNewUnpacked;
if( !pUnpack ){
Mem *pData = &p->v->aMem[p->iNewReg];
rc = sqlite3VdbeMemExpandBlob(pData);
rc = ExpandBlob(pData);
if( rc!=SQLITE_OK ) goto preupdate_new_out;
pUnpack = vdbeUnpackRecord(&p->keyinfo, pData->n, pData->z);
if( !pUnpack ){