Timing A Trigger Or A Procedure To Execute
I need your help regarding how to time a sql procedure or a trigger to get executed ie., I would like to call the procedure or trigger automatically on a pariticular date and time after satisfying the required conditions.
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i have created a procedure which generates a trigger on passing the table name to the procedure. now i want to execute this trigger which is currently stored in a user variable in the stored procedure. how do i execute the trigger directly from the procedure only or the procedure user variable.
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Is possible to launch an external (php) script from a trigger? (If Yes, I'm looking for an example). Or a trigger can only execute a SQL command?
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I'm a newbie when it comes to MySql (and databases in general). I'm trying to set up a simple database for an application and now I'm stuck. I'm trying to grant the user test, execute privilieges on a stored procedure named doStuff stored in the schema test, like: GRANT EXECUTE ON test.doStuff TO test I get the following error message: "Illegal GRANT/REVOKE command; please consult the manual to see which privileges can be used" What's wrong? How can I grant a user to execute certain procedures/functions? Edit: Forgot to mention that I do this from the root user. Edited 1 time(s). Last edit at 05/08/2006 02:20AM by Daniel Hansen.
How To Use Trigger And Store Procedure In Mysql?
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Trigger/stored Procedure Error
I never worked with SP/triggers in MySQL, I have this problem. On webpage I'd like to show online users, so idea is very simple: in one select (SP) make all necesary things. I begin with: CREATE TRIGGER online_insert AFTER UPDATE ON subs_online FOR EACH ROW DELETE FROM subs_online WHERE ts < (unix_timestamp() - 180); -------------- CREATE PROCEDURE online_insert(ip char(15)) INSERT INTO subs_online (ip, ts) VALUES (ip, unix_timestamp()) ON DUPLICATE KEY UPDATE ts=unix_timestamp(); IN PHP: $this->db->DbQuery("call online_insert('{$_SERVER['REMOTE_ADDR']}')"); But I get error: query: call online_insert('84.47.19.168') error: Can't update table 'subs_online' in stored function/trigger because it is already used by statement which invoked this stored function/trigger. I tried change "AFTER UPDATE" to something else, but nothing worked as expected.
MySQL5 Trigger Calling Procedure Syntax
I have an UPDATE trigger on my inventory_transactions table, set to call the spUpdateInventoryCounts procedure for the iInventoryID (FK) record being modified. Here's the code for my update trigger: DELIMITER $$ DROP TRIGGER /*!50032 IF EXISTS */ sp_IT_Update$$ create trigger sp_IT_Update AFTER UPDATE on inventory_transactions for each row BEGIN DECLARE tiKey INT; SET tiKey = inventory_transactions.iinventoryid; CALL spUpdateInventoryCounts(tiKey); END; $$ DELIMITER ; ...yet when I modify a row in the Inventory_transactions table, I get an error saying "Error No. 1109 Unknown table 'inventory_transactions' in field list" ...but it's the freakin' table itself! The error would appear to be in this code, and not the spUpdateInventoryCounts because I dumbed that one down to simply say "update inventory set iqtyinstock=5" just to remove the possibility of that being the culprit.
Big DELETE Timing Out
I'm trying to run the following query to delete categories and sub-categories that have 0 products in them but the query keeps timing out. I have about 20,000 products in about 700 categories. This is just test data but I want to make sure I can process such a large amount of data. MySQL DELETE c1.* FROM categories AS c1 LEFT OUTER JOIN categories AS c2 ON c1.id = c2.parent LEFT OUTER JOIN products AS p ON c1.id = p.category WHERE c2.parent IS NULL AND p.category IS NULL I'd like to use LIMIT but you can't use it when you have 2 or more tables. Is there a way to make this go a lot faster or break the query down into parts so it runs a couple of times?
MySQL Timing Out
When I try to pull out all my data out, the DB appears to be timing out before I get all the data. There is not a where clause in the select. Is there a way I can speed up the query? ........
Timing Out Problem?
I've got one database server that works fine when transferring large amounts of data, but a new one that has been setup seems to want to timeout or drop the connection after a period of time. I've tried to compare the variables and they seem to be the same. The versions of MySQL are slightly different with the good one being 3.23.41 and the one timing out being 3.23.58 Any ideas on what I can check for that would be different or help to keep this new server from timing out? Seems to want to transfer 3-4000 records then die. Where the other server will transfer all 60,000+ records.
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I have a solaris 10 server and mysql 5.0.37 compiled 64 bit. I can update the mysql database, create databases, etc, but when I tried to create a simple two-field table, and once again, was hit by the same infamous Error 2013 (Lost connection to Mysql Server). I noticed this when I tried to optimize a database I had imported, but now I'm finding it a bigger problem.
MySQL Timing Out
When I look at MySQL in the Windows task manager I see that it isn't using much CPU power, nor is anything else. However, my hard drive light is going non-stop when I try to load a page and whenever the page times out it is always on a line of code fetching a query result from the database. What could MySQL have suddenly started doing that even simple queries require vast amounts of hard drive usage?
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I'm doing a "select count(*) from table1" and it takes forever, more then 3 minutes, for the result to come back. I'm running MySQL 5.0.19 on RedHat, I know my table has 51M records. When I run a "show table status where name='table1';" it returns the results in a few ms and gives me a record count. My table is defined below, I've tried forcing use of each index individually and forcing no indexes and all combinations and always the same result. Server is an intel based 64bit cpu with 16GB ram with pretty much nothing else going on......
Sql Timing With Transactions - Delete Vs Select
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For whatever reason, MySQL does not seem to be executing. So, I ran a few stat functions and here is what I got: Uptime: 220372 Threads: 39 Questions: 18748899 Slow queries: 808 Opens: 28723 Flush tables: 1 Open tables: 4096 Queries per second avg: 85.078 The "open tables" worries me for a few reasons. First, because it is 4kb (exactly, since it is divisible by 1024, evenly). This makes me think that maybe I am hitting a ceiling. Second, there are a few variables in MySQL that equal this, and maybe it's a cap on something. Here are the variables that equal 4096: query_cache_min_res_unit = 4096 table_cache = 4096 transaction_prealloc_size = 4096 Do any of those have anything to do with this? Am I even close? Are any of those values from mysql_stat a big deal?
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Average Query Execute Time???
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