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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Fabrice Chapuis <fabrice636861@gmail.com>
cc: pgsql-admin@lists.postgresql.org
Subject: Re: pg_stat_statements_reset
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Comments: In-reply-to Fabrice Chapuis <fabrice636861@gmail.com>
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Fabrice Chapuis <fabrice636861@gmail.com> writes:
> This query seems not resetting stats for databae mydb

> SELECT pg_stat_statements_reset(
>     NULL,  -- userid: NULL means "all users"
>     (SELECT oid FROM pg_database WHERE datname = 'mydb'),
>     NULL   -- queryid: NULL means "all queries"
> );

Where did you get the idea that NULL means "all"?  AFAICS
that function is strict, meaning it won't run at all for
null input.

			regards, tom lane