Re: select statement with variable for table_reference?

2007-06-26 Thread Octavian Rasnita
I am not sure I understand what you want. If you want to search for all cds, and books, and dvds based on a certain criteria, you can use that method I've told you about. May you want sometimes to search only in fewer tables that you know before making the query? If yes, then you can create m

Re: Blob data

2007-06-26 Thread Warren Young
Kevin Waterson wrote: This one time, at band camp, Warren Young <[EMAIL PROTECTED]> wrote: Storing arbitrary data in a BLOB column is tantamount to trying to turn the database into a file system. If you want a file system, use a file system. What is a file system, if not a database? That

Is mysql_real_connect thread safe?

2007-06-26 Thread Dhammika Pathirana
I have a multi-threaded daemon process written in C/C++ for FreeBSD. I am using libmysqlclient_r.so.15 to connect to a mysql db. Both libmysqlclient_r and the daemon process are compiled with -lpthread. I get the following core if I start the daemon at system boot up(through rc.d), but can't repro

Re: acquire mysql knowledge in short time

2007-06-26 Thread Olaf Stein
Buy the mysql 5.0 certification study guide. It covers all aspects of mysql. For more detailed information on functionality use the online documentation. Olaf On 6/26/07 4:03 PM, "Peter Teunissen" <[EMAIL PROTECTED]> wrote: > Hi All, > > > For an opensource project at work, I need to get to

RE: select statement with variable for table_reference?

2007-06-26 Thread Ed Lazor
I'm honestly not sure. How would that work when the first table tells you what other tables to pull additional information from? > -Original Message- > What about using PREPARED STATEMENTS in a stored procedure? > > Something like: > > CREATE PROCEDURE `GetInventory`( IN strTableName

RE: select statement with variable for table_reference?

2007-06-26 Thread Ed Lazor
Thanks for the info Jerry. =) > -Original Message- > From: Jerry Schwartz [mailto:[EMAIL PROTECTED] > Sent: Tuesday, June 26, 2007 1:59 PM > To: 'Ed Lazor'; 'Octavian Rasnita'; mysql@lists.mysql.com > Subject: RE: select statement with variable for table_reference? > > Getting back to

RE: select statement with variable for table_reference?

2007-06-26 Thread Price, Randall
What about using PREPARED STATEMENTS in a stored procedure? Something like: CREATE PROCEDURE `GetInventory`( IN strTableName VARCHAR(50), ...) BEGIN SET @strSQL = CONCAT("SELECT * FROM ", strTableName); ... ... PREPARE Statement FROM @strSQL; EXECUTE Statem

RE: select statement with variable for table_reference?

2007-06-26 Thread Jerry Schwartz
Getting back to your original question, I don't know of any way you can use a variable as a table name directly. You can, however, pull off something like this: mysql> set @table = "stage"; Query OK, 0 rows affected (0.06 sec) mysql> set @stmt = CONCAT("SELECT * FROM ", @table); /* Arbitrarily co

General Query Log -- No Timestamp

2007-06-26 Thread Brown, Charles
The MYSQL general query log does not include timestamp of queries that it logs because queries are logged many many seconds before they are executed. Can someone help me associated queries found in the query log with wall clock? I am trying to get a list of queries that were executed within a give

RE: select statement with variable for table_reference?

2007-06-26 Thread Ed Lazor
Ok, I used your approach like this: -- select i.scanned_barcode, v.title from inventory as i left join version as v on i.record_id = v.id where i.database_id = '1' AND i.table_id = '1' AND i.user_id = '33' and category_id = '766') UNION

acquire mysql knowledge in short time

2007-06-26 Thread Peter Teunissen
Hi All, For an opensource project at work, I need to get to know mysql in a few days. I need some advise on what to read and what tutorials to work through. We are going to build a data warehouse using mysql 5.0. We will try to build the entire ETL stream using sql scripts and stored p

Re: select statement with variable for table_reference?

2007-06-26 Thread Octavian Rasnita
I am using the following method for doing this, but I am sure it is not the best one: (select id, title, author, 'book' as type from books) union (select id, title, author, 'cd' as type from cds) union (select id, title, author, 'dvd' as type from dvds) where ... order by ... limit ...; Octavia

select statement with variable for table_reference?

2007-06-26 Thread Ed Lazor
Is there a way to get something like this to work? Set @tname="mytable"; Select * from @tname; Here's what I'm trying to really accomplish in case there is yet another way to approach this... I have to work with product data from multiple databases and multiple tables. For example, one databas

Re: Blob data

2007-06-26 Thread Paul McCullagh
Hi Konstantin, On Jun 26, 2007, at 1:37 PM, Konstantin Osipov wrote: * Paul McCullagh <[EMAIL PROTECTED]> [07/06/26 15:35]: I am about to release the first version of the BLOB Streaming engine. We are not that far yet (obviously), but our aim is to create an open platform which will be extenda

[ANN] First release of the BLOB Streaming engine for MySQL

2007-06-26 Thread Paul McCullagh
Hi All, I have just released the first version of the BLOB Streaming engine for MySQL (MyBS). You can download the source code of the engine from http://www.blobstreaming.org/download. Pluggable binaries for MySQL 5.1.19 (32-bit Linux and Mac OS X) are also available. To install the plug-

Re: Replication constantly restarting

2007-06-26 Thread Ben Clewett
Ravi, Got it, thanks!! Ben Ravi Prasad wrote: Make sure each of the replication slaves uses different server_id. --Ravi Ben Clewett wrote: MySql, I am running 5.0.41 on a master and four replication slaves, all 64 bit Linux. In the error.log on all four replication servers I keep seei

Re: Replication constantly restarting

2007-06-26 Thread Ravi Prasad
Make sure each of the replication slaves uses different server_id. --Ravi Ben Clewett wrote: MySql, I am running 5.0.41 on a master and four replication slaves, all 64 bit Linux. In the error.log on all four replication servers I keep seeing: 070626 8:34:23 [Note] Slave: received end pac

Re: Blob data

2007-06-26 Thread Paul McCullagh
Hi Steve, Some very good points. We are working on a solution for BLOBs in the a MySQL database at www.blobstreaming.org. Any good solution will have to take your comments into account... On Jun 22, 2007, at 9:24 AM, Steve Edberg wrote: At 12:11 PM +0530 6/22/07, Ratheesh K J wrote: Hell

Replication constantly restarting

2007-06-26 Thread Ben Clewett
MySql, I am running 5.0.41 on a master and four replication slaves, all 64 bit Linux. In the error.log on all four replication servers I keep seeing: 070626 8:34:23 [Note] Slave: received end packet from server, apparent master shutdown: 070626 8:34:23 [Note] Slave I/O thread: Failed readi