Function ExecReScanShareInputScan

src/backend/executor/nodeShareInputScan.c:602–614

------------------------------------------------------------------ * ExecReScanShareInputScan * ------------------------------------------------------------------ */

 * ------------------------------------------------------------------
 */
void
ExecReScanShareInputScan(ShareInputScanState *node)
{
	/* On first call, initialize the tuplestore state */
	if (!node->isready)
		init_tuplestore_state(node);

	ExecClearTuple(node->ss.ps.ps_ResultTupleSlot);
	Assert(node->ts_pos != -1);

	tuplestore_select_read_pointer(node->ts_state, node->ts_pos);
	tuplestore_rescan(node->ts_state);
}

/*
 * This is called when the node above us has finished and will not need any more