Re: Seeking quick way to clone a row, but give it a new pk. - Mailing list pgsql-sql

From Philip Hallstrom
Subject Re: Seeking quick way to clone a row, but give it a new pk.
Date
Msg-id 20070207181622.I3035@bravo.pjkh.com
Whole thread Raw
In response to Seeking quick way to clone a row, but give it a new pk.  (Bryce Nesbitt <bryce1@obviously.com>)
Responses Re: Seeking quick way to clone a row, but give it a new pk.  (Bryce Nesbitt <bryce1@obviously.com>)
List pgsql-sql
> I need to create some nearly identical copies of rows in a complicated
> table.
>
> Is there a handy syntax that would let me copy a existing row, but get a
> new primary key for the copy?  I'd then go in an edit the 1 or 2
> additional columns that differ.  The duplicate would be in the same
> table as the original.
>
> This would save me a bunch of typing.  Can it be done?

INSERT INTO mytable SELECT * FROM mytable WHERE pk = 123;

Or something close to that... I suspect if you changed the '*' to the 
columns you wanted you could also work in the other columns you want to 
change as well...


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