From 6ec9287925d9d42ba419b6830ac52f1aa81d44f1 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Fri, 29 May 2020 22:37:23 +0300
Subject: [PATCH] Added a test

---
 .../01287_max_execution_speed.reference       | 10 +++++
 .../0_stateless/01287_max_execution_speed.sql | 40 +++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 tests/queries/0_stateless/01287_max_execution_speed.reference
 create mode 100644 tests/queries/0_stateless/01287_max_execution_speed.sql

diff --git a/tests/queries/0_stateless/01287_max_execution_speed.reference b/tests/queries/0_stateless/01287_max_execution_speed.reference
new file mode 100644
index 00000000000..5a3fde429cf
--- /dev/null
+++ b/tests/queries/0_stateless/01287_max_execution_speed.reference
@@ -0,0 +1,10 @@
+Ok (1)
+Ok (2)
+2000000
+1
+Ok (3)
+2000000
+1
+Ok (4)
+1000000
+Ok (5)
diff --git a/tests/queries/0_stateless/01287_max_execution_speed.sql b/tests/queries/0_stateless/01287_max_execution_speed.sql
new file mode 100644
index 00000000000..921a5f77dd5
--- /dev/null
+++ b/tests/queries/0_stateless/01287_max_execution_speed.sql
@@ -0,0 +1,40 @@
+SET min_execution_speed = 100000000000, timeout_before_checking_execution_speed = 0.1;
+SELECT count() FROM system.numbers; -- { serverError 160 }
+SELECT 'Ok (1)';
+SET min_execution_speed = 0;
+
+SET min_execution_speed_bytes = 800000000000, timeout_before_checking_execution_speed = 0.1;
+SELECT count() FROM system.numbers; -- { serverError 160 }
+SELECT 'Ok (2)';
+SET min_execution_speed_bytes = 0;
+
+SET max_execution_speed = 1000000;
+SET max_block_size = 100;
+
+CREATE TEMPORARY TABLE times (t DateTime);
+
+INSERT INTO times SELECT now();
+SELECT count() FROM numbers(2000000);
+INSERT INTO times SELECT now();
+
+SELECT max(t) - min(t) >= 1 FROM times;
+SELECT 'Ok (3)';
+SET max_execution_speed = 0;
+
+SET max_execution_speed_bytes = 8000000;
+TRUNCATE TABLE times;
+
+INSERT INTO times SELECT now();
+SELECT count() FROM numbers(2000000);
+INSERT INTO times SELECT now();
+
+SELECT max(t) - min(t) >= 1 FROM times;
+SELECT 'Ok (4)';
+SET max_execution_speed_bytes = 0;
+
+-- Note that 'min_execution_speed' does not count sleeping due to throttling
+-- with 'max_execution_speed' and similar limits like 'priority' and 'max_network_bandwidth'
+SET max_execution_speed = 1000000, min_execution_speed = 2000000;
+-- And this query will work despite the fact that the above settings look contradictory.
+SELECT count() FROM numbers(1000000);
+SELECT 'Ok (5)';