Kevin Grittner wrote:
"Richard Neill" wrote:
date_trunc('day', timestamp '2010-01-20 10:16:55')
What happens with a "timestamp with time zone" literal?
-Kevin
Good call!
This query is fast:
SELECT count(1) FROM tbl_tracker WHERE ((srep_timestamp >=
date_trunc('day', timestamp wi
Richard Neill wrote:
> #fast
> WHERE column < '2010-010-20 00:00:00'
>
> #fast
> WHERE column < date_trunc('day', timestamp with time zone
> '2010-01-20 10:16:55')
>
> #slow
> WHERE column < date_trunc('day', timestamp
> '2010-01-2
"Richard Neill" wrote:
> date_trunc('day', timestamp '2010-01-20 10:16:55')
What happens with a "timestamp with time zone" literal?
-Kevin
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The following bug has been logged online:
Bug reference: 5293
Logged by: Richard Neill
Email address: rn...@cam.ac.uk
PostgreSQL version: 8.4.2
Operating system: Linux
Description:constant function (date_trunc) is repeatedly evaluated
inside loop
Details:
SUMMARY
--