diff options
-rw-r--r-- | src/backend/optimizer/path/indxpath.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/optimizer/path/indxpath.c b/src/backend/optimizer/path/indxpath.c index fa3edf60f3c..a58cf5bad1a 100644 --- a/src/backend/optimizer/path/indxpath.c +++ b/src/backend/optimizer/path/indxpath.c @@ -2639,8 +2639,9 @@ match_clause_to_index(PlannerInfo *root, * Returns an IndexClause if the clause can be used with this index key, * or NULL if not. * - * NOTE: returns NULL if clause is an OR or AND clause; it is the - * responsibility of higher-level routines to cope with those. + * NOTE: This routine always returns NULL if the clause is an AND clause. + * Higher-level routines deal with OR and AND clauses. OR clause can be + * matched as a whole by match_orclause_to_indexcol() though. */ static IndexClause * match_clause_to_indexcol(PlannerInfo *root, |