MySQL Tutorial/Information Functions/VERSION — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Текущая версия на 09:50, 26 мая 2010
Check MySQL version in function
mysql>
mysql> delimiter $$
mysql>
mysql> CREATE PROCEDURE myProc()
->
-> BEGIN
-> DECLARE major_version INT;
->
-> SET major_version=SUBSTR(version(),1,INSTR(version(),".")-1);
-> IF major_version>=5 THEN
-> SELECT "Good thing you are using version 5 or later";
-> ELSE
-> SELECT "This version of MySQL does not support stored procedures",
-> "you must be dreaming";
-> END IF;
->
-> END$$
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql> delimiter ;
mysql> call myProc();
+---------------------------------------------+
| Good thing you are using version 5 or later |
+---------------------------------------------+
| Good thing you are using version 5 or later |
+---------------------------------------------+
1 row in set (0.00 sec)
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql> drop procedure myProc;
Query OK, 0 rows affected (0.00 sec)
mysql>
VERSION() returns a string that indicates the MySQL server version.
mysql>
mysql> SELECT VERSION();
+---------------------+
| VERSION() |
+---------------------+
| 5.0.41-community-nt |
+---------------------+
1 row in set (0.00 sec)
mysql>
mysql>