Function ExecReScanDynamicIndex

src/backend/executor/execDynamicIndexes.c:310–326

* Allow rescanning an index. */

 * Allow rescanning an index.
 */
void
ExecReScanDynamicIndex(DynamicIndexScanState *node)
{
	if (node->indexScanState)
	{
		ExecEndIndexScan(node->indexScanState);
		node->indexScanState = NULL;
	}
	else if (node->indexOnlyScanState)
	{
		ExecEndIndexOnlyScan(node->indexOnlyScanState);
		node->indexOnlyScanState = NULL;
	}
	node->scan_state = SCAN_INIT;
	/* reset partition internal state */
	node->whichPart = -1;
}