Function exec_eval_cleanup

src/pl/plpgsql/src/pl_exec.c:4076–4090

---------- * Release temporary memory used by expression/subselect evaluation * * NB: the result of the evaluation is no longer valid after this is done, * unless it is a pass-by-value datatype. * ---------- */

 * ----------
 */
static void
exec_eval_cleanup(PLpgSQL_execstate *estate)
{
	/* Clear result of a full SPI_execute */
	if (estate->eval_tuptable != NULL)
		SPI_freetuptable(estate->eval_tuptable);
	estate->eval_tuptable = NULL;

	/*
	 * Clear result of exec_eval_simple_expr (but keep the econtext).  This
	 * also clears any short-lived allocations done via get_eval_mcontext.
	 */
	if (estate->eval_econtext != NULL)
		ResetExprContext(estate->eval_econtext);
}


/* ----------