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Performance optimization in the transfer of error messages from statements

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to connections.

FossilOrigin-Name: 0e898f4fed1c851cb90f940175110e632a20668a285d39f5f94f7358c3064882
This commit is contained in:
drh
2020-05-26 20:31:17 +00:00
parent 47937cfd8d
commit ed505ce3e4
3 changed files with 16 additions and 10 deletions
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12
src/vdbeaux.c
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@@ -3302,7 +3302,11 @@ int sqlite3VdbeReset(Vdbe *p){
*/
if( p->pc>=0 ){
vdbeInvokeSqllog(p);
sqlite3VdbeTransferError(p);
if( db->pErr || p->zErrMsg ){
sqlite3VdbeTransferError(p);
}else{
db->errCode = p->rc;
}
if( p->runOnlyOnce ) p->expired = 1;
}else if( p->rc && p->expired ){
/* The expired flag was set on the VDBE before the first call
@@ -3322,8 +3326,10 @@ int sqlite3VdbeReset(Vdbe *p){
for(i=0; i<p->nMem; i++) assert( p->aMem[i].flags==MEM_Undefined );
}
#endif
sqlite3DbFree(db, p->zErrMsg);
p->zErrMsg = 0;
if( p->zErrMsg ){
sqlite3DbFree(db, p->zErrMsg);
p->zErrMsg = 0;
}
p->pResultSet = 0;
#ifdef SQLITE_DEBUG
p->nWrite = 0;