diff options
| author | drh <drh@noemail.net> | 2013-06-22 15:44:26 +0000 |
|---|---|---|
| committer | drh <drh@noemail.net> | 2013-06-22 15:44:26 +0000 |
| commit | 1031bd99581c1c3d7da99eb1c9a74a4cf053e0da (patch) | |
| tree | 104c9e5188609ab615cd9d8b5347e4bf88164e45 /src/where.c | |
| parent | bc71b1d4536ce7842f80010049c69f5fd2806b3b (diff) | |
| download | sqlite-1031bd99581c1c3d7da99eb1c9a74a4cf053e0da.tar.gz sqlite-1031bd99581c1c3d7da99eb1c9a74a4cf053e0da.zip | |
Add the ability to disable the omit-join-table optimization for testing
purposes.
FossilOrigin-Name: d929df9b1ba214c27d8c437099a53ee9b07aa169
Diffstat (limited to 'src/where.c')
| -rw-r--r-- | src/where.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/where.c b/src/where.c index 32fa61c7f..e20f2b301 100644 --- a/src/where.c +++ b/src/where.c @@ -5789,7 +5789,10 @@ WhereInfo *sqlite3WhereBegin( } #endif /* Attempt to omit tables from the join that do not effect the result */ - if( pResultSet!=0 && pWInfo->nLevel>=2 ){ + if( pWInfo->nLevel>=2 + && pResultSet!=0 + && OptimizationEnabled(db, SQLITE_OmitNoopJoin) + ){ Bitmask tabUsed = exprListTableUsage(pMaskSet, pResultSet); if( pOrderBy ) tabUsed |= exprListTableUsage(pMaskSet, pOrderBy); while( pWInfo->nLevel>=2 ){ |