From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Fix for tablename in targetlist |
Date: | 2001-05-19 15:33:38 |
Message-ID: | 262.990286418@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Seems a tablename with no FROM clause doesn't get marked as isRel
> because it is not in the range table to be matched.
> What would happen if we added auto-star is that a table name in a target
> list would automatically become tablename.*. Seems it is too prone to
> cause bad queries to be accepted.
No; the auto-star would only happen if the thing is marked isRel.
So it would just cover the case of "select tab from tab". It seems
reasonable to me --- what other possible interpretation of the meaning
is there?
I tend to agree that we should not change the code to make "select tab"
work, on the grounds of error-proneness.
regards, tom lane
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