I'm in the middle of moving a production database from 7.1 to 8.1 and have hit a
slight problem.
On the old system I've got a query including
datastamp AS datastamp, date(datastamp ) as datadate,
time(datastamp ) as datatime, status, -- etc.
This is actually generated on the client to possibly include timezone
correction. Obviously this has worked fine for a number of years on 7.1, but 8.1
is objecting to the time() cast.
What is the correct (or even any :-) way of converting a timestamp into a time
(without timezone etc.)?
Any suggestions would be much appreciated.
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
