Re: Disallow unique index on system columns

From: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Disallow unique index on system columns
Date: 2016-04-15 04:20:25
Message-ID: CAKJS1f8H+nEDa+wDPKbxSzOwcJU-TngQ9swpTKt6u4f=df60Yw@mail.gmail.com
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On 15 April 2016 at 13:43, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> wrote:
> The attached patch just disallows any index containing a system
> column, apart from OID.

Seems I only did half the job as I forgot to think to check for system
columns that are hidden away inside expressions or predicates.

The attached fixes that.

--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

Attachment Content-Type Size
disallow_index_on_syscols_v2.patch application/octet-stream 10.3 KB

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