pgbench tests vs Windows

From: Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com>
To: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: pgbench tests vs Windows
Date: 2019-07-23 22:25:34
Message-ID: 0321952c-122a-4653-104d-c3c00410e4d5@2ndQuadrant.com
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In commit ed8a7c6fcf9 we added some extra tests to pgbench, including
this snippet:

\setshell two\
  expr \
    1 + :one

Unfortunately, this isn't portable, as I've just discovered at the cost
of quite a bit of time. In particular, you can't assume expr is present
and in the path on Windows. The Windows equivalent would be something like:

\setshell two\
  @set /a c = 1 + :one  && echo %c%

I propose to prepare a patch along these lines. Alternatively we could
just drop it - I don't think the test matters all that hugely.

cheers

andrew

--
Andrew Dunstan https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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