diff options
Diffstat (limited to 'src/backend/optimizer/util/tlist.c')
| -rw-r--r-- | src/backend/optimizer/util/tlist.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/src/backend/optimizer/util/tlist.c b/src/backend/optimizer/util/tlist.c index 0220aa0e5f8..8096fcbe613 100644 --- a/src/backend/optimizer/util/tlist.c +++ b/src/backend/optimizer/util/tlist.c @@ -18,7 +18,6 @@ #include "nodes/nodeFuncs.h" #include "optimizer/tlist.h" #include "optimizer/var.h" -#include "utils/lsyscache.h" /***************************************************************************** @@ -348,10 +347,7 @@ grouping_is_sortable(List *groupClause) /* * grouping_is_hashable - is it possible to implement grouping list by hashing? * - * We assume hashing is OK if the equality operators are marked oprcanhash. - * (If there isn't actually a supporting hash function, the executor will - * complain at runtime; but this is a misdeclaration of the operator, not - * a system bug.) + * We rely on the parser to have set the hashable flag correctly. */ bool grouping_is_hashable(List *groupClause) @@ -362,7 +358,7 @@ grouping_is_hashable(List *groupClause) { SortGroupClause *groupcl = (SortGroupClause *) lfirst(glitem); - if (!op_hashjoinable(groupcl->eqop)) + if (!groupcl->hashable) return false; } return true; |