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Split backend status and progress related functionality out of pgstat.c.

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Backend status (supporting pg_stat_activity) and command
progress (supporting pg_stat_progress*) related code is largely
independent from the rest of pgstat.[ch] (supporting views like
pg_stat_all_tables that accumulate data over time). See also
a333476b925.

This commit doesn't rename the function names to make the distinction
from the rest of pgstat_ clearer - that'd be more invasive and not
clearly beneficial. If we were to decide to do such a rename at some
point, it's better done separately from moving the code as well.

Robert's review was of an earlier version.

Reviewed-By: Robert Haas <robertmhaas@gmail.com>
Discussion: https://postgr.es/m/20210316195440.twxmlov24rr2nxrg@alap3.anarazel.de
This commit is contained in:
Andres Freund
2021-04-03 11:42:52 -07:00
parent 8d3a4c3eae
commit e1025044cd
11 changed files with 1598 additions and 1392 deletions
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2
src/include/commands/progress.h
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@ -2,7 +2,7 @@
*
* progress.h
* Constants used with the progress reporting facilities defined in
* pgstat.h. These are possibly interesting to extensions, so we
* backend_status.h. These are possibly interesting to extensions, so we
* expose them via this header file. Note that if you update these
* constants, you probably also need to update the views based on them
* in system_views.sql.