Merge 10.4 into 10.5

storage/spider/mysql-test/spider/bugfix/include/restart_spider.inc

@@ -0,0 +1,8 @@
+--let $_expect_file_name= $MYSQLTEST_VARDIR/tmp/mysqld.1.1.expect
+
+--exec echo "wait" > $_expect_file_name
+--shutdown_server
+--source include/wait_until_disconnected.inc
+--exec echo "restart" > $_expect_file_name
+--enable_reconnect
+--source include/wait_until_connected_again.inc

storage/spider/mysql-test/spider/bugfix/r/mdev_29352.result

@@ -0,0 +1,12 @@
+CREATE TABLE t (c INT);
+SHOW CREATE TABLE t;
+Table	Create Table
+t	CREATE TABLE `t` (
+  `c` int(11) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
+FLUSH TABLES WITH READ LOCK;
+CREATE FUNCTION spider_bg_direct_sql RETURNS INT SONAME 'ha_spider.so';
+ERROR HY000: Can't execute the query because you have a conflicting read lock
+SELECT * FROM t;
+c
+DROP TABLE t;

storage/spider/mysql-test/spider/bugfix/t/mdev_29352.test

@@ -0,0 +1,11 @@
+CREATE TABLE t (c INT);
+SHOW CREATE TABLE t;
+FLUSH TABLES WITH READ LOCK;
+
+--error ER_CANT_UPDATE_WITH_READLOCK
+CREATE FUNCTION spider_bg_direct_sql RETURNS INT SONAME 'ha_spider.so';
+SELECT * FROM t;
+
+--source include/restart_spider.inc
+
+DROP TABLE t;