Re: [GENERAL] Move rows from one database to other

>
> Depending on how much data you want to move, and if the tables have the same structure, you might also want to
consider
> using
> pg_dump -a
>
> OR
> multiple instances of
>
> on satellite
> COPY { table_name [ ( column_name [, ...] ) ] | ( query ) }
>     TO { 'filename' | PROGRAM 'command' | STDOUT }
>     [ [ WITH ] ( option [, ...] ) ]
>
> on central
> COPY table_name [ ( column_name [, ...] ) ]
>     FROM { 'filename' | PROGRAM 'command' | STDIN }
>     [ [ WITH ] ( option [, ...] ) ]
>
> A BIG consideration is:
> Does the Central DB have the same table structures as all satellite DB's?

yes, same schema

> Does the Central DB already have records in the tables.

yes, movement of rows should happen every ten minutes.

> Do all Satellite tables have unique records for each other?

Yes, UUID primary key.

> As Adrian stated, it would be very helpful if you provided us with all O/S and PostgreSQL vesions involved.

Versions are 9.5 and 9.6

I have other concerns: atomar transaction. Movement should happen completely or not all.

I don't think you can do this reliable (atomic transaction) with "copy table_name".

Regards,
   Thomas



--
Thomas Guettler http://www.thomas-guettler.de/