On Feb 23, 2009, at 2:42 AM, Kim Boulton wrote:
>
> But OR is a lot slower than using UNION ALL on both Sqlite and Mysql


The optimizer was significantly enhanced for version 3.6.8 in order to  
better handle OR in WHERE clauses.  What version of SQLite did you  
test this with?


D. Richard Hipp
[email protected]



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