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Diffstat (limited to 'mysql-test/suite/sys_vars/t/thread_concurrency_basic.test')
-rw-r--r--mysql-test/suite/sys_vars/t/thread_concurrency_basic.test19
1 files changed, 19 insertions, 0 deletions
diff --git a/mysql-test/suite/sys_vars/t/thread_concurrency_basic.test b/mysql-test/suite/sys_vars/t/thread_concurrency_basic.test
new file mode 100644
index 00000000000..d4acc961752
--- /dev/null
+++ b/mysql-test/suite/sys_vars/t/thread_concurrency_basic.test
@@ -0,0 +1,19 @@
+--source include/have_thread_concurrency.inc
+#
+# only global
+#
+select @@global.thread_concurrency;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+select @@session.thread_concurrency;
+show global variables like 'thread_concurrency';
+show session variables like 'thread_concurrency';
+select * from information_schema.global_variables where variable_name='thread_concurrency';
+select * from information_schema.session_variables where variable_name='thread_concurrency';
+
+#
+# show that it's read-only
+#
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set global thread_concurrency=1;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set session thread_concurrency=1;