Re: partial data migration

(8.3?  That's even older than what we just migrated from!!!)

No.  Make some views (I'd probably make them "month-sized"), COPY each view
from the source db to a file, and then COPY each file to it's relevant
target table.

You should also think about a program named pg_bulkload.

https://www.postgresql.org/docs/9.6/sql-copy.html
https://www.postgresql.org/docs/8.3/sql-copy.html

On 3/7/19 7:53 PM, Julie Nishimura wrote:
> Thank you Ron! What if dev environment is on 9.6, but prod is on version
> 8.3? Will posgtres_fdw still be the right option?
>
> Sent from my iPhone
>
> On Mar 6, 2019, at 11:57 PM, Ron <ronljohnsonjr(at)gmail(dot)com
> <mailto:ronljohnsonjr(at)gmail(dot)com>> wrote:
>
>> On 3/7/19 1:54 AM, Julie Nishimura wrote:
>>> Hello psql friends,
>>> We need to migrate only 6 months worth of data from one instance to
>>> another. What would be the easiest way to do it? In Oracle, I would set
>>> up dblink. What about postgresql?
>>
>> postgres_fdw
>>

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