postgres.git / summary / log / commit / refs

commit    02f3e558f21c0fbec9f94d5de9ad34f321eb0e57
Author:   Teodor Sigaev <teodor@sigaev.ru>
Date:     Sun Apr 08 16:58:15 2018 +0000

    match_clause_to_index should check only key columns
    
    Alexander Korotkov per gripe from Tom Lane noticed on valgrind-enabled
    buildfarm members


 src/backend/optimizer/path/indxpath.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/backend/optimizer/path/indxpath.c b/src/backend/optimizer/path/indxpath.c
index cc607dcdfaa..bf42b54970c 100644
--- a/src/backend/optimizer/path/indxpath.c
+++ b/src/backend/optimizer/path/indxpath.c
@@ -2244,8 +2244,8 @@ match_clause_to_index(IndexOptInfo *index,
 	if (!restriction_is_securely_promotable(rinfo, index->rel))
 		return;
 
-	/* OK, check each index column for a match */
-	for (indexcol = 0; indexcol < index->ncolumns; indexcol++)
+	/* OK, check each index key column for a match */
+	for (indexcol = 0; indexcol < index->nkeycolumns; indexcol++)
 	{
 		if (match_clause_to_indexcol(index,
 									 indexcol,


[parent: 34602b0a1dfd]