Function exec_stmt_while

src/pl/plpgsql/src/pl_exec.c:2608–2630

---------- * exec_stmt_while Loop over statements as long * as an expression evaluates to * true or an exit occurs. * ---------- */

 * ----------
 */
static int
exec_stmt_while(PLpgSQL_execstate *estate, PLpgSQL_stmt_while *stmt)
{
	int			rc = PLPGSQL_RC_OK;

	for (;;)
	{
		bool		value;
		bool		isnull;

		value = exec_eval_boolean(estate, stmt->cond, &isnull);
		exec_eval_cleanup(estate);

		if (isnull || !value)
			break;

		rc = exec_stmts(estate, stmt->body);

		LOOP_RC_PROCESSING(stmt->label, break);
	}

	return rc;
}


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