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| author | drh <> | 2024-08-20 23:11:28 +0000 |
|---|---|---|
| committer | drh <> | 2024-08-20 23:11:28 +0000 |
| commit | 5648d717b15c1722ff19e7af1e55d68d1d172f1d (patch) | |
| tree | 971f2c19f00ab2073124d4ecedaa7df3f0b42509 /src/fkey.c | |
| parent | 781163aa9dce91608ba33af479564f83dda1bd40 (diff) | |
| parent | a0651b370706e58f9014453c5f36124ca8a738c9 (diff) | |
| download | sqlite-5648d717b15c1722ff19e7af1e55d68d1d172f1d.tar.gz sqlite-5648d717b15c1722ff19e7af1e55d68d1d172f1d.zip | |
Refactor the SrcItem object to move fields associated with subqueries out
into a separate object named Subquery. This reduces the size of the SrcItem
object by about 1/3rd and provides improved performance.
FossilOrigin-Name: 484bcd75bc95491d8540c791c1c4d40d996cb465839564662e14f98739699bf1
Diffstat (limited to 'src/fkey.c')
| -rw-r--r-- | src/fkey.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/fkey.c b/src/fkey.c index 1efdc0bba..f1117a884 100644 --- a/src/fkey.c +++ b/src/fkey.c @@ -1043,9 +1043,9 @@ void sqlite3FkCheck( pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0); if( pSrc ){ SrcItem *pItem = pSrc->a; - pItem->pTab = pFKey->pFrom; + pItem->pSTab = pFKey->pFrom; pItem->zName = pFKey->pFrom->zName; - pItem->pTab->nTabRef++; + pItem->pSTab->nTabRef++; pItem->iCursor = pParse->nTab++; if( regNew!=0 ){ @@ -1337,7 +1337,8 @@ static Trigger *fkActionTrigger( if( pSrc ){ assert( pSrc->nSrc==1 ); pSrc->a[0].zName = sqlite3DbStrDup(db, zFrom); - pSrc->a[0].zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zDbSName); + assert( pSrc->a[0].fg.fixedSchema==0 && pSrc->a[0].fg.isSubquery==0 ); + pSrc->a[0].u4.zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zDbSName); } pSelect = sqlite3SelectNew(pParse, sqlite3ExprListAppend(pParse, 0, pRaise), |