Merge branch '2.3' into 2.4

system-test/ccrfilter_global.cpp

@@ -0,0 +1,48 @@
+/**
+ * Test global mode for the CCRFilter
+ */
+
+#include <maxtest/testconnections.hh>
+
+int main(int argc, char* argv[])
+{
+    TestConnections test(argc, argv);
+
+    auto conn = test.maxscales->rwsplit();
+    conn.connect();
+    test.expect(conn.query("CREATE OR REPLACE TABLE test.t1 (a LONGTEXT)"),
+                "Table creation should work: %s", conn.error());
+    conn.disconnect();
+
+    std::string data(1000000, 'a');
+    auto secondary = test.maxscales->rwsplit();
+    secondary.connect();
+
+    for (int i = 0; i < 25; i++)
+    {
+        conn.connect();
+        test.expect(conn.query("INSERT INTO test.t1 VALUES ('" + data + "')"),
+                    "INSERT should work: %s", conn.error());
+        conn.disconnect();
+
+        // New connections should see the inserted rows
+        conn.connect();
+        auto count = std::stoi(conn.field("SELECT COUNT(*) FROM test.t1"));
+        test.expect(count == i + 1, "Missing `%d` rows.", (i + 1) - count);
+        conn.disconnect();
+
+        // Existing connections should also see the inserted rows
+        auto second_count = std::stoi(secondary.field("SELECT COUNT(*) FROM test.t1"));
+        test.expect(second_count == i + 1, "Missing `%d` rows from open connection.", (i + 1) - count);
+
+        // Make sure the row is replicated before inserting another one
+        test.repl->sync_slaves();
+    }
+
+    conn.connect();
+    test.expect(conn.query("DROP TABLE test.t1"),
+                "Table creation should work: %s", conn.error());
+    conn.disconnect();
+
+    return test.global_result;
+}