Re: [BUGS] BUG #14813: pg_get_serial_sequence does not return seqencename for IDENTITY columns - Mailing list pgsql-bugs

From Peter Eisentraut
Subject Re: [BUGS] BUG #14813: pg_get_serial_sequence does not return seqencename for IDENTITY columns
Date
Msg-id 5ede3d20-b641-1cc9-120c-12bf0d8e6d07@2ndquadrant.com
Whole thread Raw
In response to Re: [BUGS] BUG #14813: pg_get_serial_sequence does not returnseqence name for IDENTITY columns  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
Responses Re: [BUGS] BUG #14813: pg_get_serial_sequence does not return seqencename for IDENTITY columns
List pgsql-bugs
On 9/13/17 09:25, Alvaro Herrera wrote:
> Tom Lane wrote:
>> "David G. Johnston" <david.g.johnston@gmail.com> writes:
> 
>>> ​I suspect this is an opportunity for documentation enhancement as opposed
>>> to a bug.
>>
>> The reason appears to be that the dependency setup for a sequence created
>> to support IDENTITY is randomly different from that for a serial sequence.
>> I'm not sure this is a good thing.
> 
> It would be bad to break queries all over the internet that assume that
> sequences for columns can be found using pg_get_serial_sequence, so I
> agree this should be fixed.

Proposed patch attached.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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