diff options
Diffstat (limited to 'src/backend/utils/cache/lsyscache.c')
| -rw-r--r-- | src/backend/utils/cache/lsyscache.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c index 97ad36a031b..a712a432938 100644 --- a/src/backend/utils/cache/lsyscache.c +++ b/src/backend/utils/cache/lsyscache.c @@ -717,11 +717,16 @@ equality_ops_are_compatible(Oid opno1, Oid opno2) { HeapTuple op_tuple = &catlist->members[i]->tuple; Form_pg_amop op_form = (Form_pg_amop) GETSTRUCT(op_tuple); - IndexAmRoutine *amroutine = GetIndexAmRoutineByAmId(op_form->amopmethod, false); - if (amroutine->amconsistentequality) + /* + * op_in_opfamily() is cheaper than GetIndexAmRoutineByAmId(), so + * check it first + */ + if (op_in_opfamily(opno2, op_form->amopfamily)) { - if (op_in_opfamily(opno2, op_form->amopfamily)) + IndexAmRoutine *amroutine = GetIndexAmRoutineByAmId(op_form->amopmethod, false); + + if (amroutine->amconsistentequality) { result = true; break; @@ -768,11 +773,16 @@ comparison_ops_are_compatible(Oid opno1, Oid opno2) { HeapTuple op_tuple = &catlist->members[i]->tuple; Form_pg_amop op_form = (Form_pg_amop) GETSTRUCT(op_tuple); - IndexAmRoutine *amroutine = GetIndexAmRoutineByAmId(op_form->amopmethod, false); - if (amroutine->amcanorder && amroutine->amconsistentordering) + /* + * op_in_opfamily() is cheaper than GetIndexAmRoutineByAmId(), so + * check it first + */ + if (op_in_opfamily(opno2, op_form->amopfamily)) { - if (op_in_opfamily(opno2, op_form->amopfamily)) + IndexAmRoutine *amroutine = GetIndexAmRoutineByAmId(op_form->amopmethod, false); + + if (amroutine->amcanorder && amroutine->amconsistentordering) { result = true; break; |