From a175314c3e5827eb193872241446f2f8f5c9d33c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 4 May 2024 20:07:14 +0200
Subject: Adding upstream version 1:10.5.12.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 mysql-test/main/plugin_vars.test | 91 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 mysql-test/main/plugin_vars.test

(limited to 'mysql-test/main/plugin_vars.test')

diff --git a/mysql-test/main/plugin_vars.test b/mysql-test/main/plugin_vars.test
new file mode 100644
index 00000000..797dcbea
--- /dev/null
+++ b/mysql-test/main/plugin_vars.test
@@ -0,0 +1,91 @@
+if (!$QUERY_RESPONSE_TIME_SO) {
+  skip Needs query_response_time loadable plugin;
+}
+if (!$HA_ARCHIVE_SO) {
+  skip Needs Archive loadable plugin;
+}
+
+--echo #
+--echo # MDEV-5345 - Deadlock between mysql_change_user(), SHOW VARIABLES and
+--echo #             INSTALL PLUGIN
+--echo #
+
+# Prepare test
+delimiter |;
+CREATE PROCEDURE p_install(x INT)
+BEGIN
+  DECLARE CONTINUE HANDLER FOR 1126 BEGIN END;
+  WHILE x DO
+    SET x= x - 1;
+    INSTALL PLUGIN no_such_plugin SONAME 'no_such_object';
+  END WHILE;
+END|
+
+CREATE PROCEDURE p_show_vars(x INT)
+WHILE x DO
+  SET x= x - 1;
+  SHOW VARIABLES;
+END WHILE|
+delimiter ;|
+
+connect(con1, localhost, root,,);
+connect(con2, localhost, root,,);
+
+# Start test
+connection con1;
+--send CALL p_install(100)
+
+connection con2;
+--send CALL p_show_vars(100)
+
+connection default;
+
+disable_result_log;
+let $i= 100;
+while ($i)
+{
+  change_user;
+  dec $i;
+}
+
+# Cleanup
+connection con1;
+reap;
+connection con2;
+reap;
+connection default;
+enable_result_log;
+
+disconnect con1;
+disconnect con2;
+USE test;
+DROP PROCEDURE p_install;
+DROP PROCEDURE p_show_vars;
+
+--echo #
+--echo # Bug#29363867: LOST CONNECTION TO MYSQL SERVER DURING QUERY
+--echo #
+
+--echo ## prepared SET with a plugin variable prevents uninstall
+install plugin query_response_time soname 'query_response_time';
+prepare s from 'set global query_response_time_range_base=16';
+select plugin_status from information_schema.plugins where plugin_name='query_response_time';
+uninstall plugin query_response_time;
+execute s;
+execute s;
+select plugin_status from information_schema.plugins where plugin_name='query_response_time';
+deallocate prepare s;
+select plugin_status from information_schema.plugins where plugin_name='query_response_time';
+
+--echo ## prepared SET mentioning a plugin otherwise does not prevent uninstall
+install plugin archive soname 'ha_archive';
+create table t1 (a int) engine=archive;
+insert t1 values (1),(2),(3);
+prepare s from 'set session auto_increment_increment=(select count(*) from t1)';
+flush tables;
+select plugin_status from information_schema.plugins where plugin_name='archive';
+uninstall plugin archive;
+select plugin_status from information_schema.plugins where plugin_name='archive';
+--error ER_UNKNOWN_STORAGE_ENGINE
+execute s;
+drop table t1;
-- 
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