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From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Gilbert <dgilbert(at)velocet(dot)ca>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Date: 1999-09-30 13:33:09
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
David Gilbert <dgilbert(at)velocet(dot)ca> writes:
> select acct_id, 
>    sum(case when recd > ('now'::date - '30 days'::timespan)::date 
>             then amt else 0) as current 
>    from payable where not paid_p group by acct_id order by acct_id;
> but pgsql gives me:
> ERROR:  parser: parse error at or near ")"

The case construct has to be terminated with an "end" keyword;
"... else 0 end)" ought to work.

> Now... I also thought I might be able to contruct 
> sum(amt * <boolean>), but this also isn't allowed.  I think that we
> should make an int(boolean) function.

That's been suggested before, and I agree.

			regards, tom lane

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Next:From: Jelle RuttenbergDate: 1999-09-30 14:46:16
Subject: ODBC-client->Linux-server: datatype boolean not recognized?
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Subject: Re: [HACKERS] Regression tests on intel for 6.5.2

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