Function ExecSortRestrPos

src/backend/executor/nodeSort.c:372–385

---------------------------------------------------------------- * ExecSortRestrPos * * Calls tuplesort to restore the last saved sort file position. * ---------------------------------------------------------------- */

 * ----------------------------------------------------------------
 */
void
ExecSortRestrPos(SortState *node)
{
	/*
	 * if we haven't sorted yet, just return.
	 */
	if (!node->sort_Done)
		return;

	/*
	 * restore the scan to the previously marked position
	 */
	tuplesort_restorepos((Tuplesortstate *) node->tuplesortstate);
}

void
ExecReScanSort(SortState *node)