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Diffstat (limited to 'src/backend/executor/nodeIncrementalSort.c')
| -rw-r--r-- | src/backend/executor/nodeIncrementalSort.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/executor/nodeIncrementalSort.c b/src/backend/executor/nodeIncrementalSort.c index bfc2e4cf6b1..7af6a12a1e3 100644 --- a/src/backend/executor/nodeIncrementalSort.c +++ b/src/backend/executor/nodeIncrementalSort.c @@ -1152,8 +1152,10 @@ ExecReScanIncrementalSort(IncrementalSortState *node) /* * If we've set up either of the sort states yet, we need to reset them. * We could end them and null out the pointers, but there's no reason to - * repay the setup cost, and because guard setting up pivot comparator - * state similarly, doing so might actually cause a leak. + * repay the setup cost, and because ExecIncrementalSort guards + * presorted column functions by checking to see if the full sort state + * has been initialized yet, setting the sort states to null here might + * actually cause a leak. */ if (node->fullsort_state != NULL) { |