On 11/26/2012 07:15 PM, Merlin Moncure wrote:
> I don't think you need a CTE or a loop unless you want to delete the
> old rows. Why not (hard to say exactly how it will work):
> INSERT INTO a(old_id, new_id, ...)
> SELECT id, new_id(), ...
> from a;
> ?
Well, the table A, in which I'm copying rows, does not have old_id,
new_id, just a primary key, so the idea is to link original pkey and new
pkey separately. Adding new_id to the table is not an option, besides
what would new_id() stand for?
But thanks for the suggestion.
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