database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-30 11:03:19 +03:00
Code Activity

Add min() and max() aggregates for pg_lsn

Browse Source 
This is useful for monitoring, when it comes for example to calculations
of WAL retention with replication slots and delays with a set of
standbys.

Bump catalog version.

Author: Fabrízio de Royes Mello
Reviewed-by: Surafel Temesgen
Discussion: https://postgr.es/m/CAFcNs+oc8ZoHhowA4rR1GGCgG8QNgK_TOwPRVYQo5rYy8_PXzA@mail.gmail.com
This commit is contained in:
Michael Paquier
2019-07-05 12:21:11 +09:00
parent 8a810a177c
commit 313f87a171
7 changed files with 50 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
doc/src/sgml/func.sgml
View File

@ -14804,7 +14804,7 @@ NULL baz</literallayout>(3 rows)</entry>
</indexterm>
<function>max(<replaceable class="parameter">expression</replaceable>)</function>
</entry>
<entry>any numeric, string, date/time, network, or enum type,
<entry>any numeric, string, date/time, network, pg_lsn, or enum type,
or arrays of these types</entry>
<entry>same as argument type</entry>
<entry>Yes</entry>
@ -14822,7 +14822,7 @@ NULL baz</literallayout>(3 rows)</entry>
</indexterm>
<function>min(<replaceable class="parameter">expression</replaceable>)</function>
</entry>
<entry>any numeric, string, date/time, network, or enum type,
<entry>any numeric, string, date/time, network, pg_lsn, or enum type,
or arrays of these types</entry>
<entry>same as argument type</entry>
<entry>Yes</entry>