Re: Arrays of domains

From: Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Arrays of domains
Date: 2017-09-28 18:45:44
Message-ID: 3f757b8c-a3bb-c5fd-21b9-6d5abbde8bfb@2ndQuadrant.com
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On 09/28/2017 01:11 PM, Tom Lane wrote:
>
>> I wonder if we need to do any benchmarking to assure ourselves that the
>> changes to ArrayCoerceExpr don't have a significant performance impact?
> That would likely be a good idea, though I'm not very sure what or
> how to benchmark.
>
>

Some case where we only expect the current code to produce a single
ArrayCoerceExpr, I guess. say doing text[] -> int[] ?

cheers

andrew

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

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