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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/update.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/update.c')
| -rw-r--r-- | src/update.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/update.c b/src/update.c index b6068caa7..a8e7f7780 100644 --- a/src/update.c +++ b/src/update.c @@ -202,7 +202,7 @@ static void updateFromSelect( Expr *pLimit2 = 0; ExprList *pOrderBy2 = 0; sqlite3 *db = pParse->db; - Table *pTab = pTabList->a[0].pTab; + Table *pTab = pTabList->a[0].pSTab; SrcList *pSrc; Expr *pWhere2; int eDest; @@ -226,8 +226,8 @@ static void updateFromSelect( if( pSrc ){ assert( pSrc->a[0].fg.notCte ); pSrc->a[0].iCursor = -1; - pSrc->a[0].pTab->nTabRef--; - pSrc->a[0].pTab = 0; + pSrc->a[0].pSTab->nTabRef--; + pSrc->a[0].pSTab = 0; } if( pPk ){ for(i=0; i<pPk->nKeyCol; i++){ |