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fixing repmgr repl_status columns

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repmgr repl_status had the column time_lag which was documented to be
the time a standby is behind master. In fact it only works like this
when viewed on the standby and not on the master: there it only was the
time of the last status update. We dropped that column and replaced it
by a new column „communication_time_lag“ which is the content of the
repl_status column on the master. On the standby we contain the time of
the last update in shared mem though refer always to the correct time
nonetheless where repl_status is queried. We also added a new column,
„replication_time_lag“, which refers to the apply delay.
This commit is contained in:
Christian Kruse
2014-02-15 01:35:27 +01:00
parent 18f1fed77f
commit c3b58658ad
5 changed files with 99 additions and 5 deletions
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10
sql/repmgr_funcs.sql.in
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@@ -1,6 +1,6 @@
/*
* repmgr_function.sql
* Copyright (c) 2ndQuadrant, 2010
* Copyright (c) 2ndQuadrant, 2010-2014
*
*/
@@ -13,3 +13,11 @@ LANGUAGE C STRICT;
CREATE FUNCTION repmgr_get_last_standby_location() RETURNS text
AS 'MODULE_PATHNAME', 'repmgr_get_last_standby_location'
LANGUAGE C STRICT;
CREATE FUNCTION repmgr_update_last_updated() RETURNS TIMESTAMP WITH TIME ZONE
AS 'MODULE_PATHNAME', 'repmgr_update_last_updated'
LANGUAGE C STRICT;
CREATE FUNCTION repmgr_get_last_updated() RETURNS TIMESTAMP WITH TIME ZONE
AS 'MODULE_PATHNAME', 'repmgr_get_last_updated'
LANGUAGE C STRICT;