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Doc: Improve pg_replication_slots.inactive_since description.

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Author: Peter Smith <smithpb2250@gmail.com>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Discussion: https://postgr.es/m/CAHut+PssvVMTWVtUPto6HbPO8pgVsvtzndt_FdBomA_Oq4zf3w@mail.gmail.com
This commit is contained in:
Amit Kapila
2025-02-18 09:23:43 +05:30
parent 2509b857cc
commit 164bac92f0
1 changed files with 3 additions and 5 deletions
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8
doc/src/sgml/system-views.sgml
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@ -2568,16 +2568,14 @@ SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx
The time when the slot became inactive. <literal>NULL</literal> if the The time when the slot became inactive. <literal>NULL</literal> if the
slot is currently being streamed. If the slot becomes invalid, slot is currently being streamed. If the slot becomes invalid,
this value will never be updated. this value will never be updated.
Note that for slots on the standby that are being synced from a For standby slots that are being synced from a
primary server (whose <structfield>synced</structfield> field is primary server (whose <structfield>synced</structfield> field is
<literal>true</literal>), the <structfield>inactive_since</structfield> <literal>true</literal>), the <structfield>inactive_since</structfield>
indicates the time when slot synchronization (see <xref indicates the time when slot synchronization (see <xref
linkend="logicaldecoding-replication-slots-synchronization"/>) linkend="logicaldecoding-replication-slots-synchronization"/>)
was most recently stopped. <literal>NULL</literal> if the slot was most recently stopped. <literal>NULL</literal> if the slot
has always been synchronized. On standby, this is useful for slots has always been synchronized. This helps standby slots track when
that are being synced from a primary server (whose synchronization was interrupted.
<structfield>synced</structfield> field is <literal>true</literal>)
so they know when the slot stopped being synchronized.
</para></entry> </para></entry>
</row> </row>