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match_clause_to_index should check only key columns

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Alexander Korotkov per gripe from Tom Lane noticed on valgrind-enabled
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This commit is contained in:
Teodor Sigaev 2018-04-08 19:58:15 +03:00
parent 34602b0a1d
commit 02f3e558f2
1 changed files with 2 additions and 2 deletions
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4
src/backend/optimizer/path/indxpath.c
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@ -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,