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-rw-r--r--src/backend/utils/misc/guc.c2
-rw-r--r--src/test/recovery/t/003_recovery_targets.pl4
2 files changed, 5 insertions, 1 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 9fb581268e0..1282223a435 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -11559,7 +11559,7 @@ check_recovery_target_xid(char **newval, void **extra, GucSource source)
TransactionId *myextra;
errno = 0;
- xid = (TransactionId) strtoul(*newval, NULL, 0);
+ xid = (TransactionId) pg_strtouint64(*newval, NULL, 0);
if (errno == EINVAL || errno == ERANGE)
return false;
diff --git a/src/test/recovery/t/003_recovery_targets.pl b/src/test/recovery/t/003_recovery_targets.pl
index d8fbd500112..f704320f803 100644
--- a/src/test/recovery/t/003_recovery_targets.pl
+++ b/src/test/recovery/t/003_recovery_targets.pl
@@ -49,6 +49,10 @@ sub test_recovery_standby
my $node_master = get_new_node('master');
$node_master->init(has_archiving => 1, allows_streaming => 1);
+# Bump the transaction ID epoch. This is useful to stress the portability
+# of recovery_target_xid parsing.
+system_or_bail('pg_resetwal', '--epoch', '1', $node_master->data_dir);
+
# Start it
$node_master->start;