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-rw-r--r--doc/src/sgml/config.sgml8
-rw-r--r--src/backend/utils/misc/guc.c4
-rw-r--r--src/backend/utils/misc/postgresql.conf.sample3
3 files changed, 8 insertions, 7 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 5d723f39212..f64402adbe1 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -3350,9 +3350,11 @@ restore_command = 'copy "C:\\server\\archivedir\\%f" "%p"' # Windows
</term>
<listitem>
<para>
- Specifies recovering into a particular timeline. The default is
- to recover along the same timeline that was current when the
- base backup was taken. Setting this to <literal>latest</literal> recovers
+ Specifies recovering into a particular timeline. The value can be a
+ numeric timeline ID or a special value. The value
+ <literal>current</literal> recovers along the same timeline that was
+ current when the base backup was taken. That is the default. The
+ value <literal>latest</literal> recovers
to the latest timeline found in the archive, which is useful in
a standby server. Other than that you only need to set this parameter
in complex re-recovery situations, where you need to return to
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index f81e0424e72..7eda7fdef9a 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -3387,7 +3387,7 @@ static struct config_string ConfigureNamesString[] =
NULL
},
&recovery_target_timeline_string,
- "",
+ "current",
check_recovery_target_timeline, assign_recovery_target_timeline, NULL
},
@@ -11031,7 +11031,7 @@ check_recovery_target_timeline(char **newval, void **extra, GucSource source)
RecoveryTargetTimeLineGoal rttg = RECOVERY_TARGET_TIMELINE_CONTROLFILE;
RecoveryTargetTimeLineGoal *myextra;
- if (strcmp(*newval, "") == 0)
+ if (strcmp(*newval, "current") == 0)
rttg = RECOVERY_TARGET_TIMELINE_CONTROLFILE;
else if (strcmp(*newval, "latest") == 0)
rttg = RECOVERY_TARGET_TIMELINE_LATEST;
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index 1fa02d2c938..f7c1dee2402 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -261,8 +261,7 @@
# just after the specified recovery target (on)
# just before the recovery target (off)
# (change requires restart)
-#recovery_target_timeline = '' # unset means read from control file (default),
- # or set to 'latest' or timeline ID
+#recovery_target_timeline = 'current' # 'current', 'latest', or timeline ID
# (change requires restart)
#recovery_target_action = 'pause' # 'pause', 'promote', 'shutdown'
# (change requires restart)