| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Magnus Hagander" <mha(at)sollentuna(dot)net> |
| Cc: | "Ken Egervari" <ken(at)upfactor(dot)com>, pgsql-performance(at)postgresql(dot)org, pgsql-hackers-win32(at)postgresql(dot)org |
| Subject: | Re: [PERFORM] Help with tuning this query (with explain analyze finally) |
| Date: | 2005-03-07 14:11:05 |
| Message-ID: | 22780.1110204665@sss.pgh.pa.us |
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| Lists: | pgsql-hackers-win32 pgsql-performance |
"Magnus Hagander" <mha(at)sollentuna(dot)net> writes:
> Do we need actual high precision time, or do we just need to be able to
> get high precision differences? Getting the differences is fairly easy,
> but if you need to "sync up" any drif then it becomes a bit more
> difficult.
You're right, we only care about differences not absolute time. If
there's something like a microseconds-since-bootup counter, it would
be fine.
regards, tom lane
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