Re: Partitioned tables and relfilenode
Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>
From: Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>
To: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Cc: Michael Paquier <michael.paquier@gmail.com>,
Robert Haas <robertmhaas@gmail.com>, Simon Riggs <simon@2ndquadrant.com>,
Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2017-03-06T08:01:01Z
Lists: pgsql-hackers
On Mon, Mar 6, 2017 at 1:26 PM, Amit Langote <Langote_Amit_f8@lab.ntt.co.jp> wrote: > On 2017/03/06 16:49, Ashutosh Bapat wrote: >> On Mon, Mar 6, 2017 at 12:48 PM, Amit Langote wrote: >>> On 2017/03/06 15:41, Michael Paquier wrote: >>>> This comment is not completely correct. Children can be temp tables, >>>> they just cannot be temp tables of other backends. It seems to me that >>>> you could still keep this code simple and remove has_child.. >>> >>> I updated the comment. I recall having posted a patch for that once, but >>> perhaps went unnoticed. >> >> The existing comment only specifies "temp tables" and not "temp table >> of other backends". The new comment keeps that part same and adds >> partitioned table case. So, I don't see any reason to change the "temp >> tables" to "temp table of other backends" in this patch. > > Hmm. A separate patch might be fine but why not fix the incorrect part > while we are updating the whole comment anyway. There must be a reason why that comment is written the way it's written. I guess, "from other backends" part of "temp tables" story has been explained just few lines above and the author/s didn't want to repeat it again. There's no point in changing it while we are not touching temp tables handling. -- Best Wishes, Ashutosh Bapat EnterpriseDB Corporation The Postgres Database Company
Commits
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Code review for c94e6942cefe7d20c5feed856e27f672734b1e2b.
- 1d5fede4a900 10.0 landed
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Don't allocate storage for partitioned tables.
- c94e6942cefe 10.0 landed
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Don't scan partitioned tables.
- d3cc37f1d801 10.0 landed
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Don't uselessly rewrite, truncate, VACUUM, or ANALYZE partitioned tables.
- 3c3bb99330aa 10.0 landed