From 391054039ec8e9830d0718080ca5248473a7b295 Mon Sep 17 00:00:00 2001
From: Azat Khuzhin <a3at.mail@gmail.com>
Date: Wed, 4 Mar 2020 23:31:12 +0300
Subject: [PATCH] Test for max_distributed_connections (via TCP)

---
 .../01085_max_distributed_connections.reference     |  2 ++
 .../01085_max_distributed_connections.sh            | 13 +++++++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 dbms/tests/queries/0_stateless/01085_max_distributed_connections.reference
 create mode 100755 dbms/tests/queries/0_stateless/01085_max_distributed_connections.sh

diff --git a/dbms/tests/queries/0_stateless/01085_max_distributed_connections.reference b/dbms/tests/queries/0_stateless/01085_max_distributed_connections.reference
new file mode 100644
index 00000000000..aa47d0d46d4
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/01085_max_distributed_connections.reference
@@ -0,0 +1,2 @@
+0
+0
diff --git a/dbms/tests/queries/0_stateless/01085_max_distributed_connections.sh b/dbms/tests/queries/0_stateless/01085_max_distributed_connections.sh
new file mode 100755
index 00000000000..44d20d048b8
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/01085_max_distributed_connections.sh
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+. $CURDIR/../shell_config.sh
+
+opts=(
+    --max_distributed_connections 2
+    --max_threads 1
+    --query "SELECT sleepEachRow(1) FROM remote('127.{2,3}', system.one)"
+)
+# 1.8 less then 2 seconds, but long enough to cover possible load peaks
+# "$@" left to pass manual options (like --experimental_use_processors 0) during manual testing
+timeout 1.8s $CLICKHOUSE_CLIENT "${opts[@]}" "$@"