| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Gregory Stark <stark(at)enterprisedb(dot)com> |
| Cc: | josh(at)agliodbs(dot)com, pgsql-hackers(at)postgresql(dot)org, Gianni Ciolli <gianni(dot)ciolli(at)2ndquadrant(dot)it>, Gabriele Bartolini <gabriele(dot)bartolini(at)2ndquadrant(dot)it>, Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Subject: | Re: Bitmap Indexes: request for feedback |
| Date: | 2008-10-22 02:48:12 |
| Message-ID: | 15302.1224643692@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Gregory Stark <stark(at)enterprisedb(dot)com> writes:
> Josh Berkus <josh(at)agliodbs(dot)com> writes:
>> The other major issue with the Bitmap index patch as it stood in 2007 was
>> that performance just wasn't that much faster than a btree, except for
>> specific corner cases. Otherwise, someone else would have been interested
>> enough to pick it up and finish it.
> Actually as I recall the immediate issue was that the patch was more complex
> than necessary.
Well, yeah, but if the performance isn't there then who's going to spend
time refactoring the code?
regards, tom lane
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