Re: Please advise features in 7.1 (SUMMARY)

From: Thomas Lockhart <lockhart(at)alumni(dot)caltech(dot)edu>
To: xuyifeng <jamexu(at)telekbird(dot)com(dot)cn>
Cc: John Huttley <John(at)mwk(dot)co(dot)nz>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Please advise features in 7.1 (SUMMARY)
Date: 2000-11-30 05:24:14
Message-ID: 3A25E47E.602C127E@alumni.caltech.edu
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> Is "if" clause support in PG?
> for example:
> "drop table aa if exist"
> "insert into aa values(1) if not exists select * from aa where i=1"

No. afaict it is not in any SQL standard, so is unlikely to get much
attention from developers.

- Thomas

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