diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/catalogs.sgml | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml index 3ed9021c2fc..4851bc2e248 100644 --- a/doc/src/sgml/catalogs.sgml +++ b/doc/src/sgml/catalogs.sgml @@ -9867,7 +9867,8 @@ SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx <entry></entry> <entry>The address (<literal>LSN</literal>) of oldest WAL which still might be required by the consumer of this slot and thus won't be - automatically removed during checkpoints. + automatically removed during checkpoints. <literal>NULL</literal> + if the <literal>LSN</literal> of this slot has never been reserved. </entry> </row> |