Re: Convert Existing Table to a Partition Table in PG10

From: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
To: Clifford Snow <clifford(at)snowandsnow(dot)us>
Cc: srkrishna(at)yahoo(dot)com, pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Convert Existing Table to a Partition Table in PG10
Date: 2018-07-01 21:23:47
Message-ID: CAKJS1f_-zW2LMXrtd6h9O_Bb6YUVS5C2juP7awfd-YC9jR131A@mail.gmail.com
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On 1 July 2018 at 10:15, Clifford Snow <clifford(at)snowandsnow(dot)us> wrote:
> I also leaned that my range partition value I used on a timestamp needed to
> have fractional seconds. I used a range of 2017-01-01 00:00:00 to
> 2017-23:59:59 which failed when I attempted to add a record that had a
> timestamp of 2017-23:59:59. Adding a fractional second to the range solved
> the problem.

Please be aware that with RANGE partitions the upper bound is
non-inclusive. The lower bound is inclusive.

If you want a 2017 partition, then FOR VALUES FROM ('2017-01-01') TO
('2018-01-01') will allow all 2017 timestamps and only 2017
timestamps.

You've no need to consider precision of the type and how many 9's you
add to anything here.

--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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