Exporting MySQL Database Including Stored Procedures And Triggers
How do I export a mysql database including all related triggers and stored procedures?
I want to make a copy of the entire thing into a new database for testing.
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Mysql And Triggers/stored Procedures
I have a question regarding the use of triggers. I have difficulties implementing trigger that let's say reacts before/after select statement (select of user), and increments the counter value (of the selected user). Is there a way to achieve this through triggers, or it's not possible?
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Can Arrays Be Used In Stored Procedures And Triggers In Mysql?
I was trying to use arrays in stored procedures but it resulted in syntax errors.Is there any way to use arrays in stored procedures. I have one more question,in triggers if we want to check each column of a table if updated ,is there any way that i can write then in a loop. In the example given below I tried to check change for each column in a table.If there are 10 columns then I have to wirte 10 if statements. Is there any way that I list all the columns of the given table with in a trigger and write loop that contain a if statement that works for all the columns. create trigger updata after update on dataid_list for each row BEGIN if NEW.databaseid <>OLD.databaseid then insert into view_changes SET old=OLD.databaseid,new=NEW.databaseid, operation='UPDATE',column_name='databaseid' end if; if NEW.databasename <>OLD.databasename then insert into view_changes set old=OLD.databasename,new=NEW.databasename, operation='UPDATE',column_name='databasename' end if; END;
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Socket Programming With Stored Procedures/triggers
I'm currently working on a project where we may need publish/subscribe functionality (ie. a client registers an interest in a certain event, and the server will publish an update notice to the client when that event occurs). One way I was thinking of doing this is to create an AFTER INSERT trigger on the table in question and get it to somehow notify either the middleware (a daemon running on localhost) or the client (a standalone java app running on a remote machine) that a change has occurred. To do this I'd most likely need to write to a socket from within the trigger or stored procedure. Does anyone know if this is possible? I've had a brief look in the MySQL documentation and nothing seems to jump out at me.
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i am searching for 3 days now for a reliable, fast hosting company, which supports stored procedures and triggers on mysql5. most of them dont support this, because mysql5 has a design-flaw in which it stores procedures and triggers on a root level-area (tables mysql information_schema). due this logic, most of the hosting companies wont allow you to create/run procedures and triggers. funny, that hosting companies forbid you to use new technologies and methods to build faster.
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Restore Database With Stored Procedures Requires SUPER Privileges ?
I am working with an ISP and trying to restore a mysql database. I recently added stored procedures to this database, and when i tried to restore it i got this message. #1227 - Access denied; you need the SUPER privilege for this operation The DEFINER is set to the current user account (the one i logged in with). When i talked to the ISP tech support they said they turned off stored procs in MySql because they require SUPER privileges to run. Here is the text of our online chat.. Brian [9:25:29 PM]: I am trying to restore a mysql database that has stored procedures in it. But the restore is failing on the create for the stored procs saying that i must have 'super' privileges to do that. How can i restore this database? Keene [9:25:48 PM]: We do not support stored procedures on our servers. Sorry :( Brian [9:26:02 PM]: you are kidding me [9:26:30 PM]: why not? Keene [9:28:11 PM]: Because they require super-user privledges. We've been trying to re-write MySQL so it doesn't, but because of the way it's coded and designed, it's simply not possible in a shared hosting environment, at least not yet. Brian [9:30:39 PM]: it doesn't require super-user to execute them though, right? Keene [9:31:29 PM]: It actually does. That's the kicker. There's no way to implement it without root access. Brian [9:32:03 PM]: this is from the mysql manual for 5.03... [9:32:04 PM]: If you specify the DEFINER clause, these rules determine the legal DEFINER user values: * If you do not have the SUPER privilege, the only legal user value is your own account, either specified literally or by using CURRENT_USER. You cannot set the definer to some other account. [9:32:59 PM]: super is required to specify another definer according to this, but not if the definer is the current user acct Keene [9:35:20 PM]: Yes, the documentation does say that, but the code doesn't actually execute like that. It still requires root access to run the stored procedure, even if the definer is the current user. Although it doesn't act like it's using the root privileges, it does use them in the background, which opens up the possibility to create a stored procedure that grants root access to anyone. [9:35:36 PM]: So, we've disabled them. [9:35:58 PM]: At least until MySQL can create a patch that processes them differently. +++++++++++++++++++++++++++++++ So my question is - is this true? Is there a bug that requires SUPER privileges to create/execute a stored proc in mysql?
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MySQL 5 Stored Procedures
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