Re: how do you get there from here? - Mailing list pgsql-general

From Michael P. Soulier
Subject Re: how do you get there from here?
Date
Msg-id 49FA06C6.5000302@mitel.com
Whole thread Raw
In response to Re: how do you get there from here?  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: how do you get there from here?
List pgsql-general
Tom Lane wrote:
>> Foreign-key constraints:
>>     "dashboard_tuginstance_node_id_fkey" FOREIGN KEY (node_id)
>> REFERENCES nodes(id) DEFERRABLE INITIALLY DEFERRED
>
> This is what's creating the limitation.

So, I'm working around it by creating the new columns with the default
value that I want populated, and then resetting the default. This works,
but it doesn't feel like a best practice.

Can someone recommend a better way to say, consolidate 3 columns down to
2 and conditionally move contents around to the new columns, inside of a
transaction involving ALTER TABLE calls?

I'm just wondering if there is a better solution than what I've done.

Mike
--
Michael P. Soulier <michael_soulier@mitel.com>, 613-592-2122 x2522
"Any intelligent fool can make things bigger and more complex... It
takes a touch of genius - and a lot of courage to move in the opposite
direction." --Albert Einstein


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