Add pg_stat_role system view for per-role cumulative statistics#5
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Add pg_stat_role system view for per-role cumulative statistics#5shinyaaa wants to merge 1 commit into
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The new view reports, for each role, the number of sessions established and the number of committed and rolled back transactions, along with the time at which the role's statistics were last reset. Statistics are attributed to the login role of a session, so SET ROLE and SECURITY DEFINER functions do not redirect where activity is counted. Only client backends are counted, matching the session accounting of pg_stat_database. This adds a new variable-numbered cumulative statistics kind PGSTAT_KIND_ROLE, keyed by role OID and shared across databases. Stats entries are created by CREATE ROLE and dropped by DROP ROLE (transactionally), survive clean restarts, and can be reset with the new pg_stat_reset_role_stats() function. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_012dKR6zB32MW351m4dsoXPg
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The new view reports, for each role, the number of sessions
established and the number of committed and rolled back transactions,
along with the time at which the role's statistics were last reset.
Statistics are attributed to the login role of a session, so SET ROLE
and SECURITY DEFINER functions do not redirect where activity is
counted. Only client backends are counted, matching the session
accounting of pg_stat_database.
This adds a new variable-numbered cumulative statistics kind
PGSTAT_KIND_ROLE, keyed by role OID and shared across databases.
Stats entries are created by CREATE ROLE and dropped by DROP ROLE
(transactionally), survive clean restarts, and can be reset with the
new pg_stat_reset_role_stats() function.
Co-Authored-By: Claude Fable 5 noreply@anthropic.com
Claude-Session: https://claude.ai/code/session_012dKR6zB32MW351m4dsoXPg