Re: pgsql: pgbench: Allow changing weights for scripts

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-committers(at)postgresql(dot)org
Subject: Re: pgsql: pgbench: Allow changing weights for scripts
Date: 2016-03-19 19:19:32
Message-ID: 20160319191932.GA304238@alvherre.pgsql
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Tom Lane wrote:
> Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> > pgbench: Allow changing weights for scripts
>
> I'm seeing a bunch of warnings seemingly due to this commit:
>
> pgbench.c: In function 'process_builtin':
> pgbench.c:2765: warning: 'ps.stats.lag.sum2' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.stats.lag.sum' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.stats.lag.max' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.stats.lag.min' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.stats.lag.count' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.stats.latency.sum2' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.stats.latency.sum' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.stats.latency.max' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.stats.latency.min' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.stats.latency.count' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.stats.skipped' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.stats.cnt' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.stats.start_time' is used uninitialized in this function
> pgbench.c:2765: warning: 'ps.weight' is used uninitialized in this function
>
> Usually, when gcc says that, it's not a false positive.

I don't get any warnings here, but Jeff Janes had already reported
these. I just pushed a fix.

--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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