Re: When do we lose column names?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: When do we lose column names?
Date: 2012-02-07 17:47:52
Message-ID: 22692.1328636872@sss.pgh.pa.us
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Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> On 11/16/2011 10:38 PM, Tom Lane wrote:
>> Upon further review, this patch would need some more work even for the
>> RowExpr case, because there are several places that build RowExprs
>> without bothering to build a valid colnames list. It's clearly soluble
>> if anyone cares to put in the work, but I'm not personally excited
>> enough to pursue it ...

> The patch itself causes a core dump with the current regression tests.

Yeah, observing that was what made me write the above.

> I've been looking at the other places that build RowExprs. Most of them
> look OK and none seem clearly in need of fixing at first glance. Which
> do you think need attention?

In general I think we'd have to require that colnames be supplied in all
RowExprs if we go this way. Anyplace that's trying to slide by without
will have to be fixed. I don't recall how many places that is.

regards, tom lane

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