Robert --
>Hi,
>
>
>I have a column in a table called hist_id with the datatype "integer". When I
>created the table I assigned this column the primary key constraint but didn´t
>make it an auto-increment column.
>
>
>How could I do this to an the already existing column?
>
>
>I have created the
rt de Phil Couling
Objet : Re: [GENERAL] Add quto increment to existing column
Hi
Dropping the column is a bit drastic if you already have data in there.
You could just set the default on the column:
alter table my_table alter hist_id set default nextval('hist_id_seq')
Also considder
Hi
Dropping the column is a bit drastic if you already have data in there.
You could just set the default on the column:
alter table my_table alter hist_id set default nextval('hist_id_seq')
Also considder setting the sequence owner:
alter sequence hist_id_seq owned by my_table.hist_id;
This w
If you use the SERIAL (this is the auto-incrementing function that creates
sequences in the bankground for you) datatype you can accomplish it in one
go.
So:
DROP sequence hist_id_seq; -- Get rid of your old sequence
ALTER TABLE my_table DROP COLUMN hist_id; -- Remove id column
ALTER TABLE my_t
Hi,
I have a column in a table called hist_id with the datatype "integer". When I
created the table I assigned this column the primary key constraint but didn´t
make it an auto-increment column.
How could I do this to an the already existing column?
I have created the sequence with the followi