diff options
Diffstat (limited to 'src/backend/executor/nodeSort.c')
| -rw-r--r-- | src/backend/executor/nodeSort.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/backend/executor/nodeSort.c b/src/backend/executor/nodeSort.c index 3c28d60c3ef..37ad35704bc 100644 --- a/src/backend/executor/nodeSort.c +++ b/src/backend/executor/nodeSort.c @@ -220,6 +220,7 @@ SortState * ExecInitSort(Sort *node, EState *estate, int eflags) { SortState *sortstate; + TupleDesc outerTupDesc; SO1_printf("ExecInitSort: %s\n", "initializing sort node"); @@ -274,11 +275,13 @@ ExecInitSort(Sort *node, EState *estate, int eflags) ExecInitResultTupleSlotTL(&sortstate->ss.ps, &TTSOpsMinimalTuple); sortstate->ss.ps.ps_ProjInfo = NULL; + outerTupDesc = ExecGetResultType(outerPlanState(sortstate)); + /* - * We perform a Datum sort when we're sorting just a single column, + * We perform a Datum sort when we're sorting just a single byval column, * otherwise we perform a tuple sort. */ - if (ExecGetResultType(outerPlanState(sortstate))->natts == 1) + if (outerTupDesc->natts == 1 && TupleDescAttr(outerTupDesc, 0)->attbyval) sortstate->datumSort = true; else sortstate->datumSort = false; |