diff options
Diffstat (limited to 'src/backend/executor/nodeSort.c')
| -rw-r--r-- | src/backend/executor/nodeSort.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/backend/executor/nodeSort.c b/src/backend/executor/nodeSort.c index 66ef109c122..98bcaeb66f5 100644 --- a/src/backend/executor/nodeSort.c +++ b/src/backend/executor/nodeSort.c @@ -397,6 +397,23 @@ ExecSortInitializeDSM(SortState *node, ParallelContext *pcxt) } /* ---------------------------------------------------------------- + * ExecSortReInitializeDSM + * + * Reset shared state before beginning a fresh scan. + * ---------------------------------------------------------------- + */ +void +ExecSortReInitializeDSM(SortState *node, ParallelContext *pcxt) +{ + /* If there's any instrumentation space, clear it for next time */ + if (node->shared_info != NULL) + { + memset(node->shared_info->sinstrument, 0, + node->shared_info->num_workers * sizeof(TuplesortInstrumentation)); + } +} + +/* ---------------------------------------------------------------- * ExecSortInitializeWorker * * Attach worker to DSM space for sort statistics. |