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-rw-r--r--mysql-test/t/variables_debug.test10
1 files changed, 10 insertions, 0 deletions
diff --git a/mysql-test/t/variables_debug.test b/mysql-test/t/variables_debug.test
index 7dcaf246803..dac85345136 100644
--- a/mysql-test/t/variables_debug.test
+++ b/mysql-test/t/variables_debug.test
@@ -10,3 +10,13 @@ set debug= '+P';
select @@debug;
set debug= '-P';
select @@debug;
+
+#
+# Bug#38054: "SET SESSION debug" modifies @@global.debug variable
+#
+
+SELECT @@session.debug, @@global.debug;
+
+SET SESSION debug = '';
+
+SELECT @@session.debug, @@global.debug;