RE: [bug fix??] Fishy code in tts_cirtual_copyslot()

From: "Tsunakawa, Takayuki" <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com>
To: 'Tom Lane' <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: RE: [bug fix??] Fishy code in tts_cirtual_copyslot()
Date: 2019-09-23 23:59:07
Message-ID: 0A3221C70F24FB45833433255569204D1FD49C48@G01JPEXMBYT05
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From: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]
> I temporarily changed the Assert to be "==" rather than "<=", and
> it still passed check-world, so evidently we are not testing any
> cases where the descriptors are of different lengths. This explains
> the lack of symptoms. It's still a bug though, so pushed.

Thank you for committing.

> > BTW, I thought that in PostgreSQL coding convention, local variables
> should be defined at the top of blocks, but this function writes "for (int
> natts;".
>
> Yeah, we've agreed to join the 21st century to the extent of allowing
> local for-loop variables.

That's good news. It'll help a bit to code comfortably.

Regards
Takayuki Tsunakawa

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