| From: | Fujii Masao <fujii(at)postgresql(dot)org> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: doc: Clarify when backend_xmin in pg_stat_replication can be NUL |
| Date: | 2025-10-17 05:04:57 |
| Message-ID: | E1v9ce9-0025mB-2d@gemulon.postgresql.org |
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| Lists: | pgsql-committers |
doc: Clarify when backend_xmin in pg_stat_replication can be NULL.
Improve the documentation of pg_stat_replication to explain when
the backend_xmin column becomes NULL. This happens when
a replication slot is used (the xmin is then shown in pg_replication_slots)
or when hot_standby_feedback is disabled.
Author: Renzo Dani <arons7(at)gmail(dot)com>
Reviewed-by: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
Discussion: https://postgr.es/m/CA+XOKQAMXzskpdUmj2sg03_5fmiXc2Gs0r3TX1_rmcFcqh+=xQ@mail.gmail.com
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/e64aa1a39d4b8a9502be8ed8dfd67efd6f6acf28
Modified Files
--------------
doc/src/sgml/monitoring.sgml | 4 ++++
1 file changed, 4 insertions(+)
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