On Mon, May 15, 2017 at 8:09 PM, Masahiko Sawada <sawada.mshk@gmail.com> wrote:
> On Mon, May 15, 2017 at 8:06 PM, Kuntal Ghosh
> <kuntalghosh.2007@gmail.com> wrote:
>> On Mon, May 15, 2017 at 4:00 PM, Masahiko Sawada <sawada.mshk@gmail.com> wrote:
>>> On Mon, May 15, 2017 at 6:41 PM, tushar <tushar.ahuja@enterprisedb.com> wrote:
>>>> Hi,
>>>>
>>>> Server Crashes if we try to provide slot_name='none' at the time of creating
>>>> subscription -
>>>>
>>>> postgres=# create subscription sub2 connection 'dbname=postgres port=5000
>>>> user=centos password=f' publication abc with (slot_name='none');
>>>> NOTICE: synchronized table states
>>>> server closed the connection unexpectedly
>>>> This probably means the server terminated abnormally
>>>> before or while processing the request.
>>>> The connection to the server was lost. Attempting reset: Failed.
>>>> !>
>>>>
>>>
>>> Thank you for reporting.
>>> I think create_slot and enabled should be set to false forcibly when
>>> slot_name = 'none'. Attached patch fixes it, more test and regression
>>> test case are needed though.
>>>
>> I think the patch doesn't solve the problem completely. For example,
>> postgres=# create subscription sub3 connection 'dbname=postgres
>> port=5432 user=edb password=edb' publication abc with
>> (slot_name='none',create_slot=true);
>> ERROR: slot_name = NONE and create slot are mutually exclusive options
>> postgres=# create subscription sub3 connection 'dbname=postgres
>> port=5432 user=edb password=edb' publication abc with
>> (create_slot=true,slot_name='none');
>> ERROR: could not connect to the publisher: could not connect to
>> server: Connection refused
>> Is the server running locally and accepting
>> connections on Unix domain socket "/tmp/.s.PGSQL.5432"?
>>
>> Changing the order of subscription parameter changes the output. I
>> think the modifications should be done at the end of the function.
>> Attached a patch for the same.
>>
>
> Yes, you're patch fixes it correctly.
>
I've updated Kuntal's patch, added regression test for option
combination and updated documentation.
Regards,
--
Masahiko Sawada
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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