Re: pgsql: Generic Messages for Logical Decoding

On Thu, Apr 7, 2016 at 1:47 PM, Andres Freund <andres@anarazel.de> wrote:
> On 2016-04-07 12:26:28 +0900, Fujii Masao wrote:
>> In my example, the WAL record of INSERT that I executed last should be in
>> 000000010000000000000005. But pg_xlogdump could not display that.
>> The output of pg_xlogdump was:
>>
>> $ pg_xlogdump data/pg_xlog/000000010000000000000005
>> pg_xlogdump: FATAL:  could not find a valid record after 0/5000000
>>
>> ISTM that if a WAL file starts with the latter half of LOGICAL MESSAGE
>> WAL data, pg_xlogdump treats it as invalid and gives up dumping the
>> remaining WAL data in the file.
>
> That'd obviously be something to investigate. IIRC there's a thread
> nearby about something like this.

Okay, will check. Thanks for the info!

> But just to confirm, if you use -s
> over multiple records it works?

Yeah, it worked expected.

Regards,

--
Fujii Masao