コード例 #1
0
/* ----------------------------------------------------------------
 *		ExecShutdownGatherMergeWorkers
 *
 *		Stop all the parallel workers.
 * ----------------------------------------------------------------
 */
static void
ExecShutdownGatherMergeWorkers(GatherMergeState *node)
{
	if (node->pei != NULL)
		ExecParallelFinish(node->pei);

	/* Flush local copy of reader array */
	if (node->reader)
		pfree(node->reader);
	node->reader = NULL;
}
コード例 #2
0
ファイル: nodeGather.c プロジェクト: guedes/postgres
/* ----------------------------------------------------------------
 *		ExecShutdownGatherWorkers
 *
 *		Destroy the parallel workers.  Collect all the stats after
 *		workers are stopped, else some work done by workers won't be
 *		accounted.
 * ----------------------------------------------------------------
 */
static void
ExecShutdownGatherWorkers(GatherState *node)
{
	/* Shut down tuple queue readers before shutting down workers. */
	if (node->reader != NULL)
	{
		int		i;

		for (i = 0; i < node->nreaders; ++i)
			DestroyTupleQueueReader(node->reader[i]);
		node->reader = NULL;
	}

	/* Now shut down the workers. */
	if (node->pei != NULL)
		ExecParallelFinish(node->pei);
}