Re: pgbench - add \if support

From: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>
To: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
Cc: Craig Ringer <craig(at)2ndquadrant(dot)com>, Vik Fearing <vik(dot)fearing(at)2ndquadrant(dot)com>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: pgbench - add \if support
Date: 2018-01-22 09:45:19
Message-ID: alpine.DEB.2.20.1801221006110.22852@lancre
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> few scripting features doesn't mean scripting language. \if in psql is nice
> feature that reduce duplicate code, unreadable code, and helps with
> deployment and test scripts. pgbench and psql should to have similar
> environment - and I am thinking so \if should be there.
> Using Lua is not bad idea - in psql too - I though about it much, but in
> this case is better to start from zero.

Yep. Having another versatile (interactive) client would not be a bad
thing. I'm still wondering how to conciliate any scripting language with
"bare SQL". The backslash-oriented syntax already used for psql & pgbench
seems the only available option. Otherwise ISTM that it is back to a
standard library oriented client access with import, connect, exec...
whatever set of function already provided by standard libraries (psycopg
for python, ...).


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