Re: Partition table Creation and Testing using Inherited method

On Wed, 2021-03-03 at 08:49 +0530, dbatoCloud Solution wrote:
> Someone guide me on partitioning, I used the declarative method( inheritance),
> Created child tables, added check constraints and steps below which I mentioned it.
>
> step1 #
> CREATE TABLE core.contact_transaction_history (
>
> record_insert_datetime timestamp NULL,
> crm_contact_type_id int4 NULL
> );
>
> step2#
> CREATE TABLE core.contact_transaction_history_Year_2016() INHERITS (core.contact_transaction_history_PartMar2021);
> CREATE TABLE core.contact_transaction_history_Year_2017() INHERITS (core.contact_transaction_history_PartMar2021);
> CREATE TABLE core.contact_transaction_history_Year_2018() INHERITS (core.contact_transaction_history_PartMar2021);

Don't use inheritance partitioning.

Upgrade to a recent PostgreSQL release and use declarative partitioning.

It is so much better when it comes to performance and maintenance costs.

Yours,
Laurenz Albe
--
Cybertec | https://www.cybertec-postgresql.com