Re: On partitioning
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Greg Stark <stark@mit.edu>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2014-08-29T17:15:16Z
Lists: pgsql-hackers
Alvaro Herrera <alvherre@2ndquadrant.com> writes: > Tom Lane wrote: >> One other interesting thought that occurs to me: are we going to support >> UPDATEs that cause a row to belong to a different partition? If so, how >> are we going to handle the update chain links? > Bah, I didn't mention it? My current thinking is that it would be > disallowed; if you have chosen your partitioning key well enough it > shouldn't be necessary. As a workaround you can always DELETE/INSERT. > Maybe we can allow it later, but for a first cut this seems more than > good enough. Hm. I certainly agree that it's a case that could be disallowed for a first cut, but it'd be nice to have some clue about how we might allow it eventually. regards, tom lane