From: | Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr> |
---|---|
To: | Robins Tharakan <tharakan(at)gmail(dot)com> |
Cc: | "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Pgbench with -f and -S |
Date: | 2016-04-18 05:24:08 |
Message-ID: | alpine.DEB.2.10.1604180716290.23313@sto |
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Thread: | |
Lists: | pgsql-hackers |
>> For the future 9.6, scripts options are cumulatives, so -f & -S can be
>> combined.
>>
>> Indeed, for the <= 9.5 it seems that some options are silently ignores,
>> when combining -S/-f, only the last one is kept, it should be warned about.
>
> Thanks Fabien, for confirming about the missing warning.
>
> Also, by 'combined' I think you mean that both (built-in SELECTs & Custom
> Script) run, although the dev docs don't (yet) say anything about that.
Hmmm... I think it does implicitely, with "add" and "and" in the
following:
From http://www.postgresql.org/docs/devel/static/pgbench.html:
-b scriptname[(at)weight]
Add the specified builtin script to the list of executed scripts. [...]
Idem -f.
And later at the beginning of the Notes:
pgbench executes test scripts chosen randomly from a specified list.
They include built-in scripts with -b and user-provided custom scripts with -f.
[...]
--
Fabien.
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