Re: all serial type was changed to 1

On Mon, May 1, 2017 at 7:45 PM, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
wrote:

> 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(dot)klaver(at)aklaver(dot)com]
>> Sent: Tuesday, 2 May 2017 9:31 AM
>> To: Max Wang <mwang(at)1080agile(dot)com>; Amitabh Kant <amitabhkant(at)gmail(dot)com>
>> Cc: pgsql-general(at)postgresql(dot)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(dot)klaver(at)aklaver(dot)com
>
>
> --
> Sent via pgsql-general mailing list (pgsql-general(at)postgresql(dot)org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-general
>

*Hmmm, it's beginning to look like someone did a "SELECT setval('seqname',
1);" For every sequence. *

*Is that a possibility?*

--
*Melvin Davidson*
I reserve the right to fantasize. Whether or not you
wish to share my fantasy is entirely up to you.