Re: Partition By Range Without PrimaryKey : Postgresql Version 12.8 on AWS RDS - Mailing list pgsql-admin

From Scott Ribe
Subject Re: Partition By Range Without PrimaryKey : Postgresql Version 12.8 on AWS RDS
Date
Msg-id 5F09A2FE-117F-47D4-B78B-25023A02AFB7@elevated-dev.com
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In response to RE: Partition By Range Without PrimaryKey : Postgresql Version 12.8 on AWS RDS  (Phani Prathyush Somayajula <phani.somayajula@pragmaticplay.com>)
Responses RE: Partition By Range Without PrimaryKey : Postgresql Version 12.8 on AWS RDS
List pgsql-admin
> On May 22, 2023, at 8:07 AM, Phani Prathyush Somayajula <phani.somayajula@pragmaticplay.com> wrote:
>
> However, since I was telling other ripple effects, we're trying to test creating subpartitions by placedon and
partitionsby brandid like below. 
>  The reason being : we'll have to archive or purge the data post 90 days.

You could still partition by placedon... Partitioning by brandid is not much help with rotating out old data.

Why the change in primary key? In fact, your primary key in that example is not guaranteed unique--if I'm reading this
correctlythere is a chance of collision. 

What's wrong with partitioning by placedon, with a primary key of (betid, placedon)?




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