Re: Deferrable FK not behaving as expected.

From: Ron <ronljohnsonjr(at)gmail(dot)com>
To: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: Deferrable FK not behaving as expected.
Date: 2020-12-07 22:56:35
Message-ID: 3e71cfa9-77d5-06c0-f435-9baffc55ea94@gmail.com
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On 12/7/20 3:40 PM, Tom Lane wrote:
> Ron <ronljohnsonjr(at)gmail(dot)com> writes:
>> That works *sometimes*, but not when we *really* want it to work.
>> test=# begin transaction;
>> BEGIN
>> test=# ALTER TABLE sales_header DETACH PARTITION sales_header_202001;
>> ERROR:  removing partition "sales_header_202001" violates foreign key
>> constraint "sales_detail_cust_id_order_ts_fkey"
> That I think you're gonna have to live with. DETACH PARTITION isn't
> something we can defer to end of transaction.

Very sad, since it would simplify the archiving of the 24x365 system we're
porting from Oracle to RDS Postgresql.

--
Angular momentum makes the world go 'round.

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