diff options
Diffstat (limited to 'src/backend/optimizer/path/indxpath.c')
| -rw-r--r-- | src/backend/optimizer/path/indxpath.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/backend/optimizer/path/indxpath.c b/src/backend/optimizer/path/indxpath.c index 045ff2e487e..63a8eef45cd 100644 --- a/src/backend/optimizer/path/indxpath.c +++ b/src/backend/optimizer/path/indxpath.c @@ -153,6 +153,7 @@ static IndexClause *match_clause_to_indexcol(PlannerInfo *root, RestrictInfo *rinfo, int indexcol, IndexOptInfo *index); +static bool IsBooleanOpfamily(Oid opfamily); static IndexClause *match_boolean_index_clause(PlannerInfo *root, RestrictInfo *rinfo, int indexcol, IndexOptInfo *index); @@ -2343,6 +2344,23 @@ match_clause_to_indexcol(PlannerInfo *root, } /* + * IsBooleanOpfamily + * Detect whether an opfamily supports boolean equality as an operator. + * + * If the opfamily OID is in the range of built-in objects, we can rely + * on hard-wired knowledge of which built-in opfamilies support this. + * For extension opfamilies, there's no choice but to do a catcache lookup. + */ +static bool +IsBooleanOpfamily(Oid opfamily) +{ + if (opfamily < FirstNormalObjectId) + return IsBuiltinBooleanOpfamily(opfamily); + else + return op_in_opfamily(BooleanEqualOperator, opfamily); +} + +/* * match_boolean_index_clause * Recognize restriction clauses that can be matched to a boolean index. * |