Revert changes to MySQL

Reverted changes due to bug https://bugs.mysql.com/bug.php?id=106465

src/main/java/com/feedzai/commons/sql/abstraction/engine/impl/MySqlEngine.java

@@ -48,7 +48,6 @@
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Properties;
 import java.util.Set;
 
 import static com.feedzai.commons.sql.abstraction.util.StringUtils.md5;
@@ -105,20 +104,6 @@ public MySqlEngine(PdbProperties properties) throws DatabaseEngineException {
         super(MYSQL_DRIVER, properties, Dialect.MYSQL);
     }
 
-    @Override
-    protected Properties getDBProperties() {
-        final Properties props = super.getDBProperties();
-
-        /*
-        To respect the fetchsize setting, MySQL needs a cursor on the server side. See
-         https://dev.mysql.com/doc/connectors/en/connector-j-reference-implementation-notes.html
-         https://dev.mysql.com/doc/connectors/en/connector-j-connp-props-performance-extensions.html#cj-conn-prop_useCursorFetch
-         */
-        props.setProperty("useCursorFetch", Boolean.TRUE.toString());
-
-        return props;
-    }
-
     /**
      * Sets the session to ANSI mode.
      *

src/test/java/com/feedzai/commons/sql/abstraction/engine/impl/mysql/MySqlEngineSchemaTest.java

@@ -20,6 +20,8 @@
 import com.feedzai.commons.sql.abstraction.engine.impl.abs.AbstractEngineSchemaTest;
 import com.feedzai.commons.sql.abstraction.engine.testconfig.DatabaseConfiguration;
 import com.feedzai.commons.sql.abstraction.engine.testconfig.DatabaseTestUtil;
+import org.junit.Ignore;
+import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
 
@@ -37,6 +39,15 @@ public static Collection<DatabaseConfiguration> data() throws Exception {
         return DatabaseTestUtil.loadConfigurations("mysql");
     }
 
+    @Override
+    @Test
+    @Ignore("MySQL doesn't respect fetch size unless we use a server cursor, which can be enabled by setting the property" +
+            " 'useCursorFetch' to true in the JDBC URL. However, when server cursor is enabled, the query timeouts are" +
+            " not respected." +
+            "See https://bugs.mysql.com/bug.php?id=106465")
+    public void testFetchSize() {
+    }
+
     @Override
     protected void defineUDFGetOne(final DatabaseEngine engine) throws DatabaseEngineException {
         engine.executeUpdate("DROP FUNCTION IF EXISTS GetOne");