Re: serial column - Mailing list pgsql-general

From Ragnar
Subject Re: serial column
Date
Msg-id 1159133058.8040.83.camel@localhost.localdomain
Whole thread Raw
In response to serial column  (Bob Pawley <rjpawley@shaw.ca>)
List pgsql-general
On sun, 2006-09-24 at 13:50 -0700, Bob Pawley wrote:
> I need to develop a serial column that always starts at 1 and is
> sequential even after deletes.

what exactly do you mean?

say you have rows where your
columns has values 1,2,3 and 4.

you now delete the row where
the value is 2.

what do you want to happen?

a) the rows with values 3 and 4
are changed tocontain 2 and 3 ?

b) the next 2 values to be inserted
to be 2 and then 5 ?

c) something else ?


gnari




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