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Refactor the Table object to reduce its memory footprint.

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FossilOrigin-Name: bbb6759bcf6e01d36dfc787a82a610d359f50aaeac8104b73883a84906d54e1f
This commit is contained in:
drh
2021-08-02 16:41:57 +00:00
parent 79cf2b7120
commit f38524d20d
17 changed files with 246 additions and 205 deletions
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6
src/where.c
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@@ -3060,7 +3060,7 @@ static int whereLoopAddBtree(
** those objects, since there is no opportunity to add schema
** indexes on subqueries and views. */
pNew->rSetup = rLogSize + rSize;
if( pTab->pSelect==0 && (pTab->tabFlags & TF_Ephemeral)==0 ){
if( !IsView(pTab) && (pTab->tabFlags & TF_Ephemeral)==0 ){
pNew->rSetup += 28;
}else{
pNew->rSetup -= 10;
@@ -5211,7 +5211,7 @@ WhereInfo *sqlite3WhereBegin(
pTab = pTabItem->pTab;
iDb = sqlite3SchemaToIndex(db, pTab->pSchema);
pLoop = pLevel->pWLoop;
if( (pTab->tabFlags & TF_Ephemeral)!=0 || pTab->pSelect ){
if( (pTab->tabFlags & TF_Ephemeral)!=0 || IsView(pTab) ){
/* Do nothing */
}else
#ifndef SQLITE_OMIT_VIRTUALTABLE
@@ -5580,7 +5580,7 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
** created for the ONEPASS optimization.
*/
if( (pTab->tabFlags & TF_Ephemeral)==0
&& pTab->pSelect==0
&& !IsView(pTab)
&& (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0
){
int ws = pLoop->wsFlags;