fix: move out a var.

Author: Dreamroute

src/main/java/org/apache/ibatis/executor/statement/StatementUtil.java

@@ -41,7 +41,10 @@ private StatementUtil() {
    * @throws SQLException if a database access error occurs, this method is called on a closed <code>Statement</code>
    */
   public static void applyTransactionTimeout(Statement statement, Integer queryTimeout, Integer transactionTimeout) throws SQLException {
-    if (transactionTimeout != null && queryTimeout == null || queryTimeout == 0 || transactionTimeout < queryTimeout) {
+    if (transactionTimeout == null) {
+        return;
+    }
+    if (queryTimeout == null || queryTimeout == 0 || transactionTimeout < queryTimeout) {
       statement.setQueryTimeout(transactionTimeout);
     }
   }