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From Jukka Zitting <jukka.zitt...@gmail.com>
Subject Re: Converting XPath to JCR-SQL2
Date Wed, 01 Sep 2010 13:54:39 GMT

On Wed, Sep 1, 2010 at 3:45 PM, Carl Hall <carl@hallwaytech.com> wrote:
> Since XPath has been deprecated for searching, I'm working to change over
> some XPath queries to JCR-SQL2.  I have this one that is killing
> performance.    Translating the query below to JCR-SQL2 caused a performance
> problem (0.072s -> 5s+).
> Am I doing something wrong or is the JCR-SQL2 engine still coming along?

The current JCR-SQL2 implementation is not yet optimized for performance.

I'm currently working on improving the JCR-SQL2 implementation, see
JCR-2715 [1]. I expect to make JCR-SQL2 query performance comparable
to XPath and SQL1 performance in time for the 2.2 release.

[1] https://issues.apache.org/jira/browse/JCR-2715


Jukka Zitting

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