Re: BF failure: could not open relation with OID XXXX while querying pg_views
Tomas Vondra <tomas.vondra@2ndquadrant.com>
From: Tomas Vondra <tomas.vondra@2ndquadrant.com>
To: Dean Rasheed <dean.a.rasheed@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Thomas Munro <thomas.munro@gmail.com>, Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2019-09-15T10:11:06Z
Lists: pgsql-hackers
Attachments
- stats_ext_view.patch (text/plain) patch
On Sun, Sep 15, 2019 at 10:16:30AM +0100, Dean Rasheed wrote: >On Sat, 14 Sep 2019 at 05:25, Tom Lane <tgl@sss.pgh.pa.us> wrote: >> >> Tomas Vondra <tomas.vondra@2ndquadrant.com> writes: >> > On Wed, Aug 14, 2019 at 05:24:26PM +1200, Thomas Munro wrote: >> >> On Wed, Aug 14, 2019 at 5:06 PM Tom Lane <tgl@sss.pgh.pa.us> wrote: >> >>> Oh, hmm --- yeah, that should mean it's safe. Maybe somebody incautiously >> >>> changed one of the other tests that run concurrently with "rules"? >> >> >> Looks like stats_ext.sql could be the problem. It creates and drops >> >> priv_test_view, not in a schema. Adding Dean, author of commit >> >> d7f8d26d. >> >> > Yeah, that seems like it might be the cause. I'll take a look at fixing >> > this, probably by creating the view in a different schema. >> >> Ping? We're still getting intermittent failures of this ilk, eg >> >> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=dragonet&dt=2019-09-14%2003%3A37%3A03 >> >> With v12 release approaching, I'd like to not have failures >> like this in a released branch. >> > >Ah sorry, I missed this thread before. As author of that commit, it's >really on me to fix it, and the cause seems pretty clear-cut, so I'll >aim to get that done today. > FWIW here is a draft patch that I was going to propose - it simply moves the table+view into a "tststats" schema. I suppose that's rougly what we discussed earlier in this thread. regards -- Tomas Vondra http://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
Commits
-
Fix intermittent self-test failures caused by the stats_ext test.
- 5576cbc8ff1f 12.0 landed
- 3d9a3ef5cbfc 13.0 landed
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Add security checks to the multivariate MCV estimation code.
- d7f8d26d9f4c 12.0 cited