Re: Skip ExecCheckRTPerms in CTAS with no data

From: Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>
To: Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>
Cc: Michael Paquier <michael(at)paquier(dot)xyz>, Anastasia Lubennikova <a(dot)lubennikova(at)postgrespro(dot)ru>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Skip ExecCheckRTPerms in CTAS with no data
Date: 2020-11-20 07:27:52
Message-ID: a49a0d1f-25c6-593c-d9de-624c81282c05@enterprisedb.com
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On 2020-11-19 17:35, Bharath Rupireddy wrote:
> So, should we be doing it this way?
>
> For CTAS: retain the existing CREATE privilege check and remove the
> INSERT privilege check altogether for all the cases i.e. with data,
> with no data, explain analyze, plain, with execute?
> For CREATE MATERIALIZED VIEW: same as CTAS, that is retain the
> existing CREATE privilege check and remove the INSERT privilege check
> for with data, with no data, explain analyze, plain?
> For REFRESH MATERIALIZED VIEW: retain the existing behaviour i.e. no
> privilege check.

That sounds reasonable to me.

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