content: /*
   * Copyright 1999-2017 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.
   */
  package com.alibaba.druid.sql.ast;
  
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  public class SQLPartitionByHash extends SQLPartitionBy {
      // for aliyun ads
      protected boolean key;
      protected boolean unique;
  
      public boolean isKey() {
          return key;
      }
  
      public void setKey(boolean key) {
          this.key = key;
      }
  
      public boolean isUnique() {
          return unique;
      }
  
      public void setUnique(boolean unique) {
          this.unique = unique;
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, columns);
              acceptChild(visitor, partitionsCount);
              acceptChild(visitor, getPartitions());
              acceptChild(visitor, subPartitionBy);
          }
          visitor.endVisit(this);
      }
  
      public SQLPartitionByHash clone() {
          SQLPartitionByHash x = new SQLPartitionByHash();
  
          cloneTo(x);
  
          x.key = key;
          x.unique = unique;
  
          for (SQLExpr column : columns) {
              SQLExpr c2 = column.clone();
              c2.setParent(x);
              x.columns.add(c2);
          }
  
          return x;
      }
  
      public void cloneTo(SQLPartitionByHash x) {
          super.cloneTo(x);
      }
  
  }
  