Re: Using indices for UNION.

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Using indices for UNION.
Date: 2013-11-07 22:13:01
Message-ID: 527C106D.80908@gmx.net
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On 10/31/13, 6:42 AM, Kyotaro HORIGUCHI wrote:
> Hello, This patch might be too complicated (and seems somewhat ad
> hoc) for the gain, but more index usage for this kind of
> operation should be worth doing.

There is a new compiler warning:

setrefs.c: In function ‘set_plan_refs’:
setrefs.c:782:7: warning: initialization from incompatible pointer type
[enabled by default]

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