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Doc: Improve the description of confirmed_flush_lsn in pg_replication_slots.

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Make it clear that the data corresponding to the transactions committed
before confirmed_flush_lsn is not available anymore.

Author: Ashutosh Sharma
Reviewd by: Ashutosh Bapat
Discussion: https://postgr.es/m/CAE9k0P=hiqRXUonnmtS-5Pu8SbO=yF6vcrVBcfEf2+93ng_f5Q@mail.gmail.com
This commit is contained in:
Amit Kapila 2022-11-04 09:00:46 +05:30
parent 233cf6e8ad
commit 3e77b2eb34
1 changed files with 3 additions and 2 deletions
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5
doc/src/sgml/system-views.sgml
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@ -2413,8 +2413,9 @@ SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx
</para>
<para>
The address (<literal>LSN</literal>) up to which the logical
slot's consumer has confirmed receiving data. Data older than this is
not available anymore. <literal>NULL</literal> for physical slots.
slot's consumer has confirmed receiving data. Data corresponding to the
transactions committed before this <literal>LSN</literal> is not
available anymore. <literal>NULL</literal> for physical slots.
</para></entry>
</row>