@@ -0,0 +1,1108 @@
+/*%0A * Copyright 2016-2018 shardingsphere.io.%0A * %3Cp%3E%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A * %3C/p%3E%0A */%0A%0A%0Apackage io.shardingsphere.core.parsing.antlr.extractor.statement.handler;%0A%0Aimport org.antlr.v4.runtime.ParserRuleContext;%0A%0Aimport com.google.common.base.Optional;%0A%0Aimport io.shardingsphere.core.parsing.antlr.extractor.statement.handler.result.ExtractResult;%0A%0A/**%0A * xxx.%0A * %0A * @author duhongjun%0A */%0Apublic class OrderByExtractHandler implements ASTExtractHandler %7B%0A%0A    @Override%0A    public Optional%3CExtractResult%3E extract(ParserRuleContext ancestorNode) %7B%0A        return null;%0A    %7D%0A%7D%0A

add OrderByExtractHandler