Horton

Re: no partition pruning when partitioning using array type

Alvaro Herrera <alvherre@2ndquadrant.com>

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From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Robert Haas <robertmhaas@gmail.com>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2018-07-11T04:12:35Z
Lists: pgsql-hackers 
On 2018-Jul-11, Amit Langote wrote:

> What's the solution here then?  Prevent domains as partition key?

Maybe if a domain is used in a partition key somewhere, prevent
constraints from being added?

Another thing worth considering: are you prevented from dropping a
domain that's used in a partition key?  If not, you get an ugly message
when you later try to drop the table.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Commits

  1. Better handle pseudotypes as partition keys