po 22. 6. 2020 v 4:48 odesílatel Fujii Masao <masao.fu...@oss.nttdata.com> napsal:
> > > On 2020/06/21 20:33, Josef Šimánek wrote: > > > > > > po 15. 6. 2020 v 6:39 odesílatel Fujii Masao < > masao.fu...@oss.nttdata.com <mailto:masao.fu...@oss.nttdata.com>> napsal: > > > > > > > > On 2020/06/14 21:32, Josef Šimánek wrote: > > > Hello, as proposed by Pavel Stěhule and discussed on local czech > PostgreSQL maillist ( > https://groups.google.com/d/msgid/postgresql-cz/CAFj8pRCZ42CBCa1bPHr7htffSV%2BNAcgcHHG0dVqOog4bsu2LFw%40mail.gmail.com?utm_medium=email&utm_source=footer), > I have prepared an initial patch for COPY command progress reporting. > > > > Sounds nice! > > > > > > > file - bool - is file is used? > > > program - bool - is program used? > > > > Are these fields really necessary in a progress view? > > What values are reported when STDOUT/STDIN is specified in COPY > command? > > > > > > For STDOUT and STDIN file is true and program is false. > > Could you tell me why these columns are necessary in *progress* view? > If we want to see what copy command is actually running, we can see > pg_stat_activity, instead. For example, > > SELECT pc.*, a.query FROM pg_stat_progress_copy pc, pg_stat_activity > a WHERE pc.pid = a.pid; > If that doesn't make any sense, I can remove those. I have not strong opinion about those values. Those were just around when I was looking for possible values to include in the progress report. > > > > file_bytes_processed - amount of bytes processed when file is > used (otherwise 0), works for both direction ( > > > FROM/TO) when file is used (file = t) > > > > What value is reported when STDOUT/STDIN is specified in COPY > command? > > > > > > For my first patch nothing was reported on STDOUT/STDIN usage. I'll > attach new patch soon supporting those as well. > > Thanks for the patch! > > With the patch, pg_stat_progress_copy seems to report the progress of > the processing on file_fdw. Is this intentional? > Every action using internally COPY will be included in the progress report view. I have spotted for example pg_dump does that and is reported there as well. I do not see any problem regarding this. For pg_dump it is consistent with "pg_stat_activity" reporting COPY command in the query field. > Regards, > > -- > Fujii Masao > Advanced Computing Technology Center > Research and Development Headquarters > NTT DATA CORPORATION >