On 7/4/19 1:03 PM, PegoraroF10 wrote:
ok, thanks for the explanation but ... I cannot add a field and move data,
constraints, triggers, identity to it because my pk field will be
repositioned to the last field on that table and I have lots of other codes
which point to pk as the first field on every table.
I stay away from using the index position of field for this reason.
So, there is a way to convert that field to a identity field ?
See my second option in previous post.
Or, old school identity column:):
create sequence id_seq owned by mytable.id;
alter table mytable alter column id set default nextval('id_seq');
\d mytable
Table "public.mytable"
Column | Type | Collation | Nullable | Default
-------------+------+-----------+----------+-----------------------------
id | i32 | | not null | nextval('id_seq'::regclass)
description | t50 | | |
Indexes:
"mytable_pkey" PRIMARY KEY, btree (id)
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--
Adrian Klaver
adrian.kla...@aklaver.com
