Re: Getting full query string from pg_stat_get_backend_activity

From: "Rajesh Kumar Mallah(dot)" <mallah(at)trade-india(dot)com>
To: Jan Wieck <janwieck(at)yahoo(dot)com>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: Getting full query string from pg_stat_get_backend_activity
Date: 2002-05-10 11:08:46
Message-ID: 200205101638.46905.mallah@trade-india.com
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Thanks Jan for the accurate guidance,
i am currently preapring a reply to you other post.

regds
mallah.

On Friday 10 May 2002 04:08 pm, Jan Wieck wrote:
> Rajesh Kumar Mallah. wrote:
> > Hi ,
> >
> > Is it possible to get the full SQL query from
> > pg_stat_get_backend_activity, currently it is truncated after
> > certain number of characters , example below.
>
> No, because the querystring length is unlimited, but the
> protocol for sending the information to the statistic
> collector daemon uses a compile time maximum buffer size.
>
> You can increase that buffer size to see more of your
> querystring. It is by default
>
> src/include/pgstat.h:
> #define PGSTAT_ACTIVITY_SIZE 256
>
>
> Jan
>
> > SELECT pg_stat_get_backend_pid(s.backendid) AS procpid,
> > pg_stat_get_backend_activity(s.backendid) AS current_query FROM (SELECT
> > pg_stat_get_backend_idset() AS backendid) s;
> >
> >
> > procpid | current_query
> > 27015 | <IDLE> in transaction
> > 26978 | <IDLE> in transaction
> > 26985 | <IDLE> in transaction
> > 27135 | select count(*) from ( select distinct on (email_id)
> > email_id,email,contact from email_bank a join (select email_id from
> > email_export_category where category_id in (1, 2, 3, 4, 5, 6, 7, 8, 9,
> > 10, 12, 14, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 1
> > 12262 | SELECT source_id , cnt from (SELECT
> > source_id,count(source_id) as cnt from email_source group by source_id )
> > subsel join sources
> > using(source_id) order by source_id
> > 27136 | <IDLE> in transaction
> > (16 rows)
> >
> > --
> > Rajesh Kumar Mallah,
> > Project Manager (Development)
> > Infocom Network Limited, New Delhi
> > phone: +91(11)6152172 (221) (L) ,9811255597 (M)
> >
> > Visit http://www.trade-india.com ,
> > India's Leading B2B eMarketplace.
> >
> >
> >
> > ---------------------------(end of broadcast)---------------------------
> > TIP 4: Don't 'kill -9' the postmaster

--
Rajesh Kumar Mallah,
Project Manager (Development)
Infocom Network Limited, New Delhi
phone: +91(11)6152172 (221) (L) ,9811255597 (M)

Visit http://www.trade-india.com ,
India's Leading B2B eMarketplace.

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