Re: [HACKERS] [PATCH] Use $ parameters as replacement characters forpg_stat_statements

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От Andres Freund
Тема Re: [HACKERS] [PATCH] Use $ parameters as replacement characters forpg_stat_statements
Дата
Msg-id 20170304184605.kbspuoqmr4pnyrvs@alap3.anarazel.de
обсуждение исходный текст
Ответ на Re: [HACKERS] [PATCH] Use $ parameters as replacement characters for pg_stat_statements  (Tom Lane <tgl@sss.pgh.pa.us>)
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Hi,

On 2017-03-04 11:02:14 -0500, Tom Lane wrote:
> But speaking of ambiguity: isn't it possible for $n symbols to appear in
> pg_stat_statements already?

Indeed.

> I think it is, both from extended-protocol
> client queries and from SPI commands, which would mean that the proposal
> as it stands is not fixing the ambiguity problem at all.  So yes, we need
> another idea.

I think using $ to signal a parameter is still a good idea, as people
kinda have to know that one anyway.  Maybe one of "$:n" "$-n"?

- Andres

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