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.statement;
  
  import com.alibaba.druid.sql.ast.SQLExpr;
  import com.alibaba.druid.sql.ast.SQLName;
  import com.alibaba.druid.sql.ast.SQLStatementImpl;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class SQLCloneTableStatement extends SQLStatementImpl {
      protected SQLExprTableSource from;
  
      protected List<SQLAssignItem> partitions = new ArrayList<>();
  
      protected SQLExprTableSource to;
  
      protected boolean ifExistsOverwrite;
      protected boolean ifExistsIgnore;
  
      public SQLCloneTableStatement() {
      }
  
      public SQLCloneTableStatement(SQLExpr to) {
          this.setTo(to);
      }
  
      public SQLExprTableSource getTo() {
          return to;
      }
  
      public void setTo(SQLExprTableSource to) {
          if (to != null) {
              to.setParent(this);
          }
          this.to = to;
      }
  
      public void setTo(SQLExpr to) {
          this.setTo(new SQLExprTableSource(to));
      }
  
      public List<SQLAssignItem> getPartitions() {
          return partitions;
      }
  
      public SQLName getToName() {
          if (to == null) {
              return null;
          }
  
          SQLExpr expr = to.expr;
  
          if (expr instanceof SQLName) {
              return (SQLName) expr;
          }
  
          return null;
      }
  
      public SQLExprTableSource getFrom() {
          return from;
      }
  
      public void setFrom(SQLExprTableSource x) {
          if (x != null) {
              x.setParent(this);
          }
          this.from = x;
      }
  
      public void setFrom(SQLName x) {
          this.setFrom(new SQLExprTableSource(x));
      }
  
      public boolean isIfExistsOverwrite() {
          return ifExistsOverwrite;
      }
  
      public void setIfExistsOverwrite(boolean ifExistsOverwrite) {
          this.ifExistsOverwrite = ifExistsOverwrite;
      }
  
      public boolean isIfExistsIgnore() {
          return ifExistsIgnore;
      }
  
      public void setIfExistsIgnore(boolean ifExistsIgnore) {
          this.ifExistsIgnore = ifExistsIgnore;
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, from);
              acceptChild(visitor, to);
          }
          visitor.endVisit(this);
      }
  
  }
  