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Full Discussion: How to create and call mysql stored procedure in perl?
Top Forums Shell Programming and Scripting How to create and call mysql stored procedure in perl? Post 302489844 by m1xram on Saturday 22nd of January 2011 12:44:03 AM
Old 01-22-2011
MySQL Procedure
Looked at the MySQL Documentation for Create Procedure and did this as the "root" user...
Code:
mysql> delimiter //
mysql> create procedure greeting(out t varchar(30)) begin select current_time() into t; end//
Query OK, 0 rows affected (0.00 sec)

mysql> call greeting(@a)//
Query OK, 0 rows affected (0.00 sec)

mysql> select @a//
+----------+
| @a       |
+----------+
| 21:57:47 |
+----------+
1 row in set (0.00 sec)

It does work but it looks like the output is supposed to be put into a table. In this case a temp table. You'll have to fetch the row from the temp table "@a".

Also found that it would only work if I was the "root" user because the normal user didn't seem to have "execute" privilege.

Modify your PERL code to model what's above. Check the procedure it creates via mysql. Login as "root" again and then...
Code:
mysql> use test;
Database changed
mysql>show create procedure greeting;

The reason to verify the procedure is because of the delimiter included with the procedure. Did the semicolon get in there or did it cause an error?

After that all works as "root" you can attempt each step as a normal user and see what extra privileges need to be enabled.

Also have a look at CREATE FUNCTION, same doc as link above. The hello_world() function is run from a SELECT so you could probably do something like...
Code:
mysql> create function greeting2() returns varchar(30) deterministic return current_time();
Query OK, 0 rows affected (0.00 sec)

mysql> select greeting2() as time;
+----------+
| time     |
+----------+
| 22:36:48 |
+----------+
1 row in set (0.00 sec)

...and then fetch the row.
 

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LEARN ABOUT DEBIAN

cvm-mysql

cvm-mysql(8)						      System Manager's Manual						      cvm-mysql(8)

NAME

       cvm-mysql - MySQL module

SYNOPSIS

       cvm-mysql

CREDENTIALS

       Pass phrase

DESCRIPTION

       This module queries a MySQL database for the account name, compares the stored pass phrase with the given one using crypt(3).

CONFIGURATION VARIABLES

       CVM_MYSQL_DEFAULT_FILE
	      The  full  path of the defaults file to read if the following variable is set.  If not set, the file $HOME/.my.cnf will be read (the
	      MySQL default).

       CVM_MYSQL_DEFAULT_GROUP
	      If set, the module will read connection default options from the named group in the defaults file as above

       CVM_MYSQL_HOST
	      The hostname or IP of the MySQL server.  If not set, a connection to the local host is assumed.

       CVM_MYSQL_USER
	      The MySQL login ID to connect as.  If not set, the invoking user is assumed.

       CVM_MYSQL_PASS
	      The password for the above user.

       CVM_MYSQL_DB
	      The database name, must be set.

       CVM_MYSQL_PORT
	      The port number for the TCP/IP connection (only used if the server is not local).

       CVM_MYSQL_POSTQ (optional)
	      The SQL query to execute after the credentials have been validated, see cvm-sql(7).

       CVM_MYSQL_PWCMP (optional)
	      The password comparison module to use.

       CVM_MYSQL_SOCKET
	      The path to the socket that should be used for connections to a local server.

       CVM_MYSQL_QUERY (optional)
	      The SQL query to issue to retrieve the row containing the account information from the database, see cvm-sql(7).

SEE ALSO

       cvm-sql(7), cvm-pgsql(8), cvm-pwfile(8), cvm-qmail(8), cvm-unix(8), cvm-vmailmgr(8),  cvm-benchclient(8),  cvm-checkpassword(8),  cvm-test-
       client(8)

	http://untroubled.org/pwcmp/pwcmp.html
	http://untroubled.org/cvm/cvm.html

																      cvm-mysql(8)
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