From 3f66b39a18a7bf271a9a9f97dfc075866e2409eb Mon Sep 17 00:00:00 2001
From: Michael Stetsyuk <mike.stetsyuk@gmail.com>
Date: Fri, 19 Jul 2024 14:30:27 +0200
Subject: [PATCH] test replication lag metric

---
 .../0_stateless/03206_replication_lag_metric.reference   | 4 ++++
 .../queries/0_stateless/03206_replication_lag_metric.sql | 9 +++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 tests/queries/0_stateless/03206_replication_lag_metric.reference
 create mode 100644 tests/queries/0_stateless/03206_replication_lag_metric.sql

diff --git a/tests/queries/0_stateless/03206_replication_lag_metric.reference b/tests/queries/0_stateless/03206_replication_lag_metric.reference
new file mode 100644
index 00000000000..02f4a7264b1
--- /dev/null
+++ b/tests/queries/0_stateless/03206_replication_lag_metric.reference
@@ -0,0 +1,4 @@
+0
+2
+0
+2
diff --git a/tests/queries/0_stateless/03206_replication_lag_metric.sql b/tests/queries/0_stateless/03206_replication_lag_metric.sql
new file mode 100644
index 00000000000..6b86553fcaf
--- /dev/null
+++ b/tests/queries/0_stateless/03206_replication_lag_metric.sql
@@ -0,0 +1,9 @@
+CREATE DATABASE rdb1 ENGINE = Replicated('/test/test_replication_lag_metric', 'shard1', 'replica1');
+CREATE DATABASE rdb2 ENGINE = Replicated('/test/test_replication_lag_metric', 'shard1', 'replica2');
+
+SET distributed_ddl_task_timeout = 0;
+CREATE TABLE rdb1.t (id UInt32) ENGINE = ReplicatedMergeTree ORDER BY id;
+SELECT replication_lag FROM system.clusters;
+
+DROP DATABASE rdb1;
+DROP DATABASE rdb2;