diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/sqliteInt.h | 1 | ||||
| -rw-r--r-- | src/where.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h index c1e055b26..9f47ffdde 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -956,6 +956,7 @@ struct sqlite3 { #define SQLITE_GroupByOrder 0x20 /* Disable GROUPBY cover of ORDERBY */ #define SQLITE_FactorOutConst 0x40 /* Disable factoring out constants */ #define SQLITE_IdxRealAsInt 0x80 /* Store REAL as INT in indices */ +#define SQLITE_DistinctOpt 0x80 /* DISTINCT using indexes */ #define SQLITE_OptMask 0xff /* Mask of all disablable opts */ /* diff --git a/src/where.c b/src/where.c index 85a52fadf..05d955bad 100644 --- a/src/where.c +++ b/src/where.c @@ -4598,6 +4598,10 @@ WhereInfo *sqlite3WhereBegin( pWInfo->savedNQueryLoop = pParse->nQueryLoop; pMaskSet = (WhereMaskSet*)&pWC[1]; + /* Disable the DISTINCT optimization if SQLITE_DistinctOpt is set via + ** sqlite3_test_ctrl(SQLITE_TESTCTRL_OPTIMIZATIONS,...) */ + if( db->flags & SQLITE_DistinctOpt ) pDistinct = 0; + /* Split the WHERE clause into separate subexpressions where each ** subexpression is separated by an AND operator. */ |