Re: Adding new output parameter of pg_stat_statements to identify operation of the query.

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: jasonysli(李跃森) <jasonysli(at)tencent(dot)com>
Cc: "pgsql-hackers(at)postgreSQL(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Adding new output parameter of pg_stat_statements to identify operation of the query.
Date: 2017-02-19 11:21:32
Message-ID: CA+TgmoaF35KSC7gRbYnGbUUf7u37+ey_mFvRwB7mghL2e-e7MQ@mail.gmail.com
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On Sun, Feb 19, 2017 at 2:58 PM, jasonysli(李跃森) <jasonysli(at)tencent(dot)com> wrote:
> Hi PG hackers:
>
> When using pg_stat_statements to collect running SQL of PG, we find
> it is hard for our program to get exact operation type of the SQL, such as
> SELECT, DELETE, UPDATE, INSERT, and so on.
>
> So we modify the the source code of pg_stat_statements and add another
> output parameter to tell us the operation type.
>
> Of course some application know their operation type, but for us and many
> public databases, doing this is hard.
>
> The only way is to reparse the SQL, obviously it is too expensive for a
> monitoring or diagnosis system.
>
> We have done the job and are willing to post a patch.

Hi,

You've posted this message to this mailing list 4 times so far. Once is enough.

This effort sounds similar to https://commitfest.postgresql.org/13/790/

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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