> timestamp(timestamp('a timestamp)) no longer works
> I do this reasonably often in my code by way of being paranoid
> that I might have a date, or a time, where I for sure _really_
> want it to be a timestamp...
> pcnz=# select timestamp('2002-03-01'::timestamp);
> ERROR: parser: parse error at or near "'"
You *can* coerce timestamps to be timestamps, but in 7.2 non-standard
syntax no longer works to do this. The reason is that "timestamp(p)" now
follows the SQL9x usage of defining a timestamp type with precision "p".
So trying to call a function "timestamp()" no longer works as it did.
You can use SQL9x syntax for the type coersion:
select cast('2002-03-01'::timestamp as timestamp);
or (not recommended) you can cheat and force the call to the function by
surrounding it in double-quotes:
select "timestamp"('2002-03-01'::timestamp);
hth
- Thomas
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