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Report progress of COPY commands

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This commit introduces a view pg_stat_progress_copy, reporting progress
of COPY commands.  This allows rough estimates how far a running COPY
progressed, with the caveat that the total number of bytes may not be
available in some cases (e.g. when the input comes from the client).

Author: Josef Šimánek
Reviewed-by: Fujii Masao, Bharath Rupireddy, Vignesh C, Matthias van de Meent
Discussion: https://postgr.es/m/CAFp7QwqMGEi4OyyaLEK9DR0+E+oK3UtA4bEjDVCa4bNkwUY2PQ@mail.gmail.com
Discussion: https://postgr.es/m/CAFp7Qwr6_FmRM6pCO0x_a0mymOfX_Gg+FEKet4XaTGSW=LitKQ@mail.gmail.com
This commit is contained in:
Tomas Vondra
2021-01-06 21:46:26 +01:00
parent ca8217c101
commit 8a4f618e7a
10 changed files with 176 additions and 5 deletions
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2
src/backend/utils/adt/pgstatfuncs.c
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@ -494,6 +494,8 @@ pg_stat_get_progress_info(PG_FUNCTION_ARGS)
cmdtype = PROGRESS_COMMAND_CREATE_INDEX;
else if (pg_strcasecmp(cmd, "BASEBACKUP") == 0)
cmdtype = PROGRESS_COMMAND_BASEBACKUP;
else if (pg_strcasecmp(cmd, "COPY") == 0)
cmdtype = PROGRESS_COMMAND_COPY;
else
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),