sergefp@mysql.com 1d4acfb668 BUG#15872: Don't run the range analyzer on "t1.keypart NOT IN (const1, ..., )", as that consumes ...

too much memory. Instead, either create the equvalent SEL_TREE manually, or create only two ranges that
strictly include the area to scan
(Note: just to re-iterate: increasing NOT_IN_IGNORE_THRESHOLD will make optimization run slower for big 
IN-lists, but the server will not run out of memory. O(N^2) memory use has been eliminated)

2006-04-25 23:33:31 +04:00

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