Re: pgsql: Charge cpu_tuple_cost * 0.5 for Append and MergeAppend nodes.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robert Haas <rhaas(at)postgresql(dot)org>
Cc: pgsql-committers(at)postgresql(dot)org
Subject: Re: pgsql: Charge cpu_tuple_cost * 0.5 for Append and MergeAppend nodes.
Date: 2018-02-22 05:35:13
Message-ID: 25380.1519277713@sss.pgh.pa.us
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Robert Haas <rhaas(at)postgresql(dot)org> writes:
> Charge cpu_tuple_cost * 0.5 for Append and MergeAppend nodes.

This seems to have produced some plan instability in the buildfarm.

regards, tom lane

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