Mark Cave-Ayland <[EMAIL PROTECTED]> writes:
> svnlog=# SELECT revision_id FROM revision_files WHERE file_id=(SELECT
> file_id
> FROM files WHERE filepath='/trunk/app/widgets/gimptoolbox-dnd.c' LIMIT 1)
> ORDER BY revision_id DESC LIMIT 1;
> revision_id
> -------------
> 15011
> (1 row)
> Time: 935.816 ms
Hmm, I'd expect it to be more or less instantaneous given the right
index. What does EXPLAIN ANALYZE say about this?
> However, some more searching came up with this "ORDER BY x + 0"
> variation which seems to consistently perform the fastest for varying
> flavours of revision_id by forcing use of the file_id index:
And that?
regards, tom lane
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