package com.midea.cloudSearch.druid.prase; import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr; /* * Copyright 1999-2011 Alibaba Group Holding Ltd. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * An Identifier that is wrapped in parenthesis. * This is for tracking in group bys the difference between "group by state, age" and "group by (state), (age)". * For non group by identifiers, it acts as a normal SQLIdentifierExpr. */ public class SQLParensIdentifierExpr extends SQLIdentifierExpr { public SQLParensIdentifierExpr() { } public SQLParensIdentifierExpr(String name) { super(name); } public SQLParensIdentifierExpr(SQLIdentifierExpr expr) { super(expr.getName()); } }