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From: Josh Berkus <josh@agliodbs.com>
To: Jim Nasby <Jim.Nasby@BlueTreble.com>
To: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
To: Pg Hackers <pgsql-hackers@postgresql.org>
Subject: Re: Declarative partitioning
Date: Sun, 23 Aug 2015 16:53:22 -0700
Message-ID: <55DA5CF2.5080207@agliodbs.com> (raw)
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On 08/21/2015 08:34 PM, Jim Nasby wrote:
> On 8/18/15 12:31 PM, Josh Berkus wrote:
>> Also this would be useful for range
>> partitions:
>>
>> CREATE PARTITION ON parent_table USING ( start_value );
>>
>> ... where start_value is the start range of the new partition.  Again,
>> easier for users to get correct.
> 
> Instead of that, I think it would be more foolproof to do
> 
> CREATE PARTITION ON parent_table FOR ( value1, ... );
> 
> instead of trusting the user to get the exact start value correct.
> 
> Though... I guess there could be value in allowing an exact start value
> but throwing an error if it doesn't sit exactly on a boundary. Might
> make it less likely to accidentally create the wrong partition.

Well, I'm figuring that most people would use "CREATE NEXT PARTITION"
instead.

-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com


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