Comments on: INSERT INTO … SELECT Performance with Innodb tables. http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/ Everything about MySQL Performance Fri, 05 Dec 2008 09:30:41 +0000 http://wordpress.org/?v=2.5.1 By: Quang http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/#comment-352403 Quang Fri, 05 Sep 2008 22:28:34 +0000 http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/#comment-352403 It's very helpful information. Minor typo: "SELECT * FROM tbl1 INFO OUTFILE '/tmp/tbl1.txt';", it should be INTO instead of INFO It’s very helpful information.
Minor typo: “SELECT * FROM tbl1 INFO OUTFILE ‘/tmp/tbl1.txt’;”, it should be INTO instead of INFO

]]> By: kai http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/#comment-327577 kai Mon, 14 Jul 2008 00:50:06 +0000 http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/#comment-327577 INSERT INTO table1 SELECT * FROM table2 can I just place a table-level lock on table2 to improve the performance? In my use case, there's only no one touching table2 excep the above query. INSERT INTO table1 SELECT * FROM table2

can I just place a table-level lock on table2 to improve the performance? In my use case, there’s only no one touching table2 excep the above query.

]]> By: pero on anything http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/#comment-84608 pero on anything Thu, 15 Mar 2007 22:04:46 +0000 http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/#comment-84608 <strong>Beware: MySQL - Implicit Transaction Commit and Rollback...</strong> Today I had a hard time dealing with mysql and transactions. Somehow my transaction has been committed in the middle of the statements. A short look into the manual revealed that there are SQL command that implicit commit a transaction. While I do unde... Beware: MySQL - Implicit Transaction Commit and Rollback…

Today I had a hard time dealing with mysql and transactions. Somehow my transaction has been committed in the middle of the statements. A short look into the manual revealed that there are SQL command that implicit commit a transaction. While I do unde…

]]> By: peter http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/#comment-1136 peter Sun, 23 Jul 2006 21:49:31 +0000 http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/#comment-1136 Bill, Honestly speaking I'm not sure what are you trying to say (I also could not find anything related to the locks on the page you're linking) Note also - in the case which is described SELECT is only setting locks as it is running as the part of INSERT ... SELECT statement. INSERT .. INTO OUTFILE/ LOAD DATA INFILE is just one way to work it around, which is simple and efficient. You also can write stored procedure to do copying or even script in your favorite programming language which uses one connection to read data and other to insert in in multiple value inserts. Bill, Honestly speaking I’m not sure what are you trying to say (I also could not find anything related to the locks on the page you’re linking)

Note also - in the case which is described SELECT is only setting locks as it is running as the part of INSERT … SELECT statement.

INSERT .. INTO OUTFILE/ LOAD DATA INFILE is just one way to work it around, which is simple and efficient. You also can write stored procedure to do copying or even script in your favorite programming language which uses one connection to read data and other to insert in in multiple value inserts.

]]> By: Bill Krahmer http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/#comment-1107 Bill Krahmer Fri, 21 Jul 2006 16:30:44 +0000 http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/#comment-1107 Though it takes longer, You could also use cursors to avoid the locks. Examples can be found on this URL and in the comments: http://dev.mysql.com/doc/refman/5.0/en/cursors.html Though it takes longer, You could also use cursors to avoid the locks. Examples can be found on this URL and in the comments:
http://dev.mysql.com/doc/refman/5.0/en/cursors.html

]]> By: Daniel Schneller's Weblog http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/#comment-1049 Daniel Schneller's Weblog Fri, 14 Jul 2006 08:36:44 +0000 http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/#comment-1049 <strong>Faster queries because of higher(!) isolation level...</strong> Please note that I am in no way affiliated with MySQL (AB). I am just a user of their products. Everything you read here, especially my explanations and conclusions are to the best of my knowledge, but there is a chance that they are awfully wrong! ... Faster queries because of higher(!) isolation level…

Please note that I am in no way affiliated with MySQL (AB). I am just a user of their products.
Everything you read here, especially my explanations and conclusions are to the best of my knowledge,
but there is a chance that they are awfully wrong! …

]]>