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Use of join buffer is now visible in EXPLAIN
Posted by: Edwin DeSouza
Date: May 15, 2007 10:21PM

Use of join buffer is now visible in EXPLAIN:

We're trying to gradually make EXPLAIN show more information. Georgi Kodinov was fixing BUG#27531 and has used that occasion to make join buffering show up in EXPLAIN output.

If you already know how MySQL's join buffering works, that's all the news. If not, the remainder of this post has a hopefully readable explanation of how join buffering works and when it is used.

http://s.petrunia.net/blog/?p=18

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