Data commit

Task/Exceptions/SQL-PL/exceptions-1.sql

@@ -0,0 +1,16 @@
+--#SET TERMINATOR @
+
+BEGIN
+ DECLARE numerator INTEGER DEFAULT 12;
+ DECLARE denominator INTEGER DEFAULT 0;
+ DECLARE result INTEGER;
+ DECLARE overflow CONDITION for SQLSTATE '22003' ;
+ DECLARE CONTINUE HANDLER FOR overflow
+   RESIGNAL SQLSTATE '22375'
+   SET MESSAGE_TEXT = 'Zero division';
+ IF denominator = 0 THEN
+  SIGNAL overflow;
+ ELSE
+  SET result = numerator / denominator;
+ END IF;
+END @