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Add stats_reset to pg_stat_user_functions

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It is possible to call pg_stat_reset_single_function_counters() for a
single function, but the reset time was missing the system view showing
its statistics.  Like all the fields of pg_stat_user_functions, the GUC
track_functions needs to be enabled to show the statistics about
function executions.

Bump catalog version.
Bump PGSTAT_FILE_FORMAT_ID, as a result of the new field added to
PgStat_StatFuncEntry.

Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Discussion: https://postgr.es/m/aONjnsaJSx-nEdfU@paquier.xyz
This commit is contained in:
Michael Paquier
2025-10-08 12:43:40 +09:00
parent 035b09131d
commit b71bae41a0
13 changed files with 90 additions and 8 deletions
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6
src/backend/utils/activity/pgstat_function.c
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@@ -214,6 +214,12 @@ pgstat_function_flush_cb(PgStat_EntryRef *entry_ref, bool nowait)
return true;
}
void
pgstat_function_reset_timestamp_cb(PgStatShared_Common *header, TimestampTz ts)
{
((PgStatShared_Function *) header)->stats.stat_reset_timestamp = ts;
}
/*
* find any existing PgStat_FunctionCounts entry for specified function
*