в 13:46, 26 мая 2010

2010-05-26T13:46:00Z

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2010-05-26T10:17:19Z

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==Show the procedure"s database, name, language, security type, parameter list, body, definer, comment, and other information==



<source lang="sql">

mysql>
mysql>
mysql> DELIMITER //
mysql> CREATE PROCEDURE myProc (IN in_count INT)
-> BEGIN
-> DECLARE count INT default 0;
->
-> increment: LOOP
-> SET count = count + 1;
-> IF count < 20 THEN ITERATE increment; END IF;
-> IF count > in_count THEN LEAVE increment;
-> END IF;
-> END LOOP increment;
->
-> SELECT count;
-> END
-> //
Query OK, 0 rows affected (0.00 sec)
mysql> DELIMITER ;
mysql>
mysql> call myProc(5);
+-------+
| count |
+-------+
| 20 |
+-------+
1 row in set (0.02 sec)
Query OK, 0 rows affected (0.02 sec)
mysql>
mysql>
mysql>
mysql> SELECT * FROM mysql.proc WHERE name = "myProc"\G
*************************** 1. row ***************************
db: test
name: myProc
type: PROCEDURE
specific_name: myProc
language: SQL
sql_data_access: CONTAINS_SQL
is_deterministic: NO
security_type: DEFINER
param_list: IN in_count INT
returns:
body: BEGIN
DECLARE count INT default 0;
increment: LOOP
SET count = count + 1;
IF count < 20 THEN ITERATE increment; END IF;
IF count > in_count THEN LEAVE increment;
END IF;
END LOOP increment;
SELECT count;
END
definer: root@localhost
created: 2007-07-23 18:58:35
modified: 2007-07-23 18:58:35
sql_mode:
comment:
1 row in set (0.00 sec)
mysql>
mysql> drop procedure myProc;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
</source>

==To get more details on a stored procedure, use the SHOW CREATE PROCEDURE statement==



<source lang="sql">

mysql>
mysql>
mysql>
mysql> DELIMITER //
mysql> CREATE PROCEDURE myProc (IN in_count INT)
-> BEGIN
-> DECLARE count INT default 0;
->
-> increment: LOOP
-> SET count = count + 1;
-> IF count < 20 THEN ITERATE increment; END IF;
-> IF count > in_count THEN LEAVE increment;
-> END IF;
-> END LOOP increment;
->
-> SELECT count;
-> END
-> //
Query OK, 0 rows affected (0.00 sec)
mysql> DELIMITER ;
mysql>
mysql> call myProc(5);
+-------+
| count |
+-------+
| 20 |
+-------+
1 row in set (0.00 sec)
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
mysql>
mysql>
mysql> SHOW CREATE PROCEDURE test.myProc\G
*************************** 1. row ***************************
Procedure: myProc
sql_mode:
Create Procedure: CREATE DEFINER=`root`@`localhost` PROCEDURE `myProc`(IN in_count INT)
BEGIN
DECLARE count INT default 0;
increment: LOOP
SET count = count + 1;
IF count < 20 THEN ITERATE increment; END IF;
IF count > in_count THEN LEAVE increment;
END IF;
END LOOP increment;
SELECT count;
END
1 row in set (0.00 sec)
mysql>
mysql> drop procedure myProc;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
</source>

==Use SELECT statement to access on the proc table in the mysql database==



<source lang="sql">

mysql>
mysql>
mysql> DELIMITER //
mysql> CREATE PROCEDURE myProc (IN in_count INT)
-> BEGIN
-> DECLARE count INT default 0;
->
-> increment: LOOP
-> SET count = count + 1;
-> IF count < 20 THEN ITERATE increment; END IF;
-> IF count > in_count THEN LEAVE increment;
-> END IF;
-> END LOOP increment;
->
-> SELECT count;
-> END
-> //
Query OK, 0 rows affected (0.02 sec)
mysql> DELIMITER ;
mysql>
mysql> call myProc(5);
+-------+
| count |
+-------+
| 20 |
+-------+
1 row in set (0.00 sec)
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
mysql>
mysql> SELECT * FROM mysql.proc WHERE name = "myProc"\G
*************************** 1. row ***************************
db: test
name: myProc
type: PROCEDURE
specific_name: myProc
language: SQL
sql_data_access: CONTAINS_SQL
is_deterministic: NO
security_type: DEFINER
param_list: IN in_count INT
returns:
body: BEGIN
DECLARE count INT default 0;
increment: LOOP
SET count = count + 1;
IF count < 20 THEN ITERATE increment; END IF;
IF count > in_count THEN LEAVE increment;
END IF;
END LOOP increment;
SELECT count;
END
definer: root@localhost
created: 2007-07-23 18:58:34
modified: 2007-07-23 18:58:34
sql_mode:
comment:
1 row in set (0.00 sec)
mysql>
mysql> drop procedure myProc;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
mysql>
</source>

==Viewing Stored Procedures==



<source lang="sql">

mysql>
mysql>
mysql> DELIMITER //
mysql> CREATE PROCEDURE myProc (IN in_count INT)
-> BEGIN
-> DECLARE count INT default 0;
->
-> increment: LOOP
-> SET count = count + 1;
-> IF count < 20 THEN ITERATE increment; END IF;
-> IF count > in_count THEN LEAVE increment;
-> END IF;
-> END LOOP increment;
->
-> SELECT count;
-> END
-> //
Query OK, 0 rows affected (0.00 sec)
mysql> DELIMITER ;
mysql>
mysql> call myProc(5);
+-------+
| count |
+-------+
| 20 |
+-------+
1 row in set (0.00 sec)
Query OK, 0 rows affected (0.01 sec)
mysql>
mysql>
mysql> SHOW PROCEDURE STATUS\G
*************************** 1. row ***************************
Db: test
Name: myProc
Type: PROCEDURE
Definer: root@localhost
Modified: 2007-07-23 18:58:34
Created: 2007-07-23 18:58:34
Security_type: DEFINER
Comment:
*************************** 2. row ***************************
Db: test
Name: simpleproc
Type: PROCEDURE
Definer: root@localhost
Modified: 2007-07-17 18:50:06
Created: 2007-07-17 18:50:06
Security_type: DEFINER
Comment:
2 rows in set (0.02 sec)
mysql>
mysql>
mysql> drop procedure myProc;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
</source>

==Viewing Stored Procedures with a LIKE clause==



<source lang="sql">

mysql>
mysql>
mysql> DELIMITER //
mysql> CREATE PROCEDURE myProc (IN in_count INT)
-> BEGIN
-> DECLARE count INT default 0;
->
-> increment: LOOP
-> SET count = count + 1;
-> IF count < 20 THEN ITERATE increment; END IF;
-> IF count > in_count THEN LEAVE increment;
-> END IF;
-> END LOOP increment;
->
-> SELECT count;
-> END
-> //
Query OK, 0 rows affected (0.00 sec)
mysql> DELIMITER ;
mysql>
mysql> call myProc(5);
+-------+
| count |
+-------+
| 20 |
+-------+
1 row in set (0.00 sec)
Query OK, 0 rows affected (0.02 sec)
mysql>
mysql>
mysql>
mysql> SHOW PROCEDURE STATUS LIKE "my%"\G
*************************** 1. row ***************************
Db: test
Name: myProc
Type: PROCEDURE
Definer: root@localhost
Modified: 2007-07-23 18:58:34
Created: 2007-07-23 18:58:34
Security_type: DEFINER
Comment:
1 row in set (0.02 sec)
mysql>
mysql>
mysql> drop procedure myProc;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
mysql>
</source>

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SQL/MySQL/Procedure Function/Procedure Data Dictionary - История изменений

в 13:46, 26 мая 2010

Admin: 1 версия