On 05/01/2017 04:36 PM, Max Wang wrote:
Hi Amitabh,
I mean the serial sequence that controls the id value has been set to 1 for all
tables. That's why I got the duplicate key value error when I tried to insert
the new record to table.
So what does the sequence query show?
As an example in psql:
test=# create table serial_test(id serial PRIMARY KEY, fld_1 varchar);
CREATE TABLE
test=# \d serial_test
Table "public.serial_test"
Column | Type | Modifiers
--------+-------------------+----------------------------------------------------------
id | integer | not null default
nextval('serial_test_id_seq'::regclass)
fld_1 | character varying |
Indexes:
"serial_test_pkey" PRIMARY KEY, btree (id)
The above shows that the sequence associated with the serial type is:
'serial_test_id_seq'
The below shows how to select from that sequence:
test=# select * from serial_test_id_seq ;
-[ RECORD 1 ]-+--------------------
sequence_name | serial_test_id_seq
last_value | 1
start_value | 1
increment_by | 1
max_value | 9223372036854775807
min_value | 1
cache_value | 1
log_cnt | 0
is_cycled | f
is_called | f
Can you do that on the serial column from one the affected tables and
post the results here?
Thanks.
Regards,
Max
-----Original Message-----
From: Adrian Klaver [mailto:adrian.kla...@aklaver.com]
Sent: Tuesday, 2 May 2017 9:31 AM
To: Max Wang <mw...@1080agile.com>; Amitabh Kant <amitabhk...@gmail.com>
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] all serial type was changed to 1
On 05/01/2017 04:11 PM, Max Wang wrote:
Hi Amitabh,
Thank you for suggestion. We did not reach the limit of serial type.
Some tables only have hundreds of rows.
It would helpful if you ran the query I showed in my previous post on one the
sequences just so we can see.
From subsequent post of yours:
"Sorry. I mean all tables’ id column were reset to 1."
I thought I understood on this, now I am not sure. Do you mean that the actual
values in the id column in all the tables have been set to 1 or that the serial
sequence that controls the id value has been set to 1?
Regards,
Max
--
Adrian Klaver
adrian.kla...@aklaver.com
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