Function ExecMaterialRestrPos

src/backend/executor/nodeMaterial.c:412–427

---------------------------------------------------------------- * ExecMaterialRestrPos * * Calls tuplestore to restore the last saved file position. * ---------------------------------------------------------------- */

 * ----------------------------------------------------------------
 */
void
ExecMaterialRestrPos(MaterialState *node)
{
	Assert(node->eflags & EXEC_FLAG_MARK);

	/*
	 * if we haven't materialized yet, just return.
	 */
	if (!node->tuplestorestate)
		return;

	/*
	 * copy the mark to the active read pointer.
	 */
	tuplestore_copy_read_pointer(node->tuplestorestate, 1, 0);
}

/*
 * ExecChildRescan