Re: remove unneeded pstrdup in fetch_table_list

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: "Hou, Zhijie" <houzj(dot)fnst(at)cn(dot)fujitsu(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Daniel Gustafsson <daniel(at)yesql(dot)se>
Subject: Re: remove unneeded pstrdup in fetch_table_list
Date: 2021-01-14 05:21:02
Message-ID: 1370092.1610601662@sss.pgh.pa.us
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Michael Paquier <michael(at)paquier(dot)xyz> writes:
> On Thu, Jan 14, 2021 at 01:17:57AM +0000, Hou, Zhijie wrote:
>>>> Thanks. I am thinking to backpatch this even though there is no
>>>> problem reported from any production system. What do you think?

> text_to_cstring() indeed allocates a new string, so the extra
> allocation is useless. FWIW, I don't see much point in poking at
> the stable branches here.

Yeah, unless there's some reason to think that this creates a
meaningful memory leak, I wouldn't bother back-patching.

regards, tom lane

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