Merge branch '2.3' into 2.4

system-test/mxs314.cpp

@@ -0,0 +1,46 @@
+/**
+ * @file mx314.cpp regression case for bug MXS-314 ("Read Write Split Error with Galera Nodes")
+ * - try prepared stmt 'SELECT 1,1,1,1...." with different number of '1'
+ * - check if Maxscale alive
+ */
+
+#include <maxtest/testconnections.hh>
+
+using namespace std;
+
+int main(int argc, char** argv)
+{
+    TestConnections::require_galera(true);
+    TestConnections test(argc, argv);
+    string query = "select 1";
+
+    for (int i = 0; i < 300; i++)
+    {
+        query += ",1";
+    }
+
+    test.maxscales->connect();
+
+    MYSQL_STMT* stmt = mysql_stmt_init(test.maxscales->conn_rwsplit[0]);
+
+    for (int i = 300; i < 500; i++)
+    {
+        test.set_timeout(30);
+        test.add_result(mysql_stmt_prepare(stmt, query.c_str(), query.length()),
+                        "Failed at %d: %s\n",
+                        i,
+                        mysql_error(test.maxscales->conn_rwsplit[0]));
+        test.add_result(mysql_stmt_reset(stmt),
+                        "Failed at %d: %s\n",
+                        i,
+                        mysql_error(test.maxscales->conn_rwsplit[0]));
+
+        query += ",1";
+    }
+
+    test.set_timeout(20);
+    mysql_stmt_close(stmt);
+    test.maxscales->disconnect();
+
+    return test.global_result;
+}