From: Tom Lane <tgl@sss.pgh.pa.us>
To: Mike Broers <mbroers@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: query against single partition uses index, against master table does seq scan
Date: Wed, 21 Sep 2016 22:11:27 -0400
Message-ID: <24073.1474510287@sss.pgh.pa.us> (raw)
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Mike Broers <mbroers@gmail.com> writes:
> Hello, I am curious about the performance of queries against a master table
> that seem to do seq scans on each child table. When the same query is
> issued at a partition directly it uses the partition index and is very
> fast.
What PG version is that? For me, everything since 9.0 seems to be willing
to consider the type of plan you're expecting.
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, mbroers@gmail.com
Subject: Re: query against single partition uses index, against master table does seq scan
In-Reply-To: <24073.1474510287@sss.pgh.pa.us>
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