в 13:46, 26 мая 2010

2010-05-26T13:46:00Z

Admin: 1 версия

2010-05-26T10:17:01Z

1 версия

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==VARCHAR(255) DEFAULT "This will not be padded"==



<source lang="sql">

mysql>
mysql> delimiter $$
mysql>
mysql> CREATE PROCEDURE myProc()
-> BEGIN
-> DECLARE l_varchar VARCHAR(255) DEFAULT "This will not be padded";
->
-> select l_varchar;
-> END$$
Query OK, 0 rows affected (0.00 sec)
mysql> delimiter ;
mysql>
mysql> call myProc();
+-------------------------+
| l_varchar |
+-------------------------+
| This will not be padded |
+-------------------------+
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>
mysql>
</source>

==VARCHAR type variable==



<source lang="sql">

mysql>
mysql>
mysql> delimiter $$
mysql>
mysql> CREATE PROCEDURE myProc()
-> BEGIN
-> DECLARE my_varchar VARCHAR(30)
-> DEFAULT "Hello World!"; /* 30 bytes of text*/
->
-> select my_varchar;
-> END$$
Query OK, 0 rows affected (0.00 sec)
mysql> delimiter ;
mysql>
mysql> call myProc();
+--------------+
| my_varchar |
+--------------+
| Hello World! |
+--------------+
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>
mysql>
</source>

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SQL/MySQL/Procedure Function/VARCHAR - История изменений

в 13:46, 26 мая 2010

Admin: 1 версия