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.dialect.sqlserver.visitor;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.dialect.sqlserver.ast.SQLServerOutput;
  import com.alibaba.druid.sql.dialect.sqlserver.ast.expr.SQLServerObjectReferenceExpr;
  import com.alibaba.druid.sql.dialect.sqlserver.ast.stmt.*;
  import com.alibaba.druid.sql.dialect.sqlserver.ast.stmt.SQLServerExecStatement.SQLServerParameter;
  import com.alibaba.druid.sql.repository.SchemaRepository;
  import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
  import com.alibaba.druid.stat.TableStat;
  
  public class SQLServerSchemaStatVisitor extends SchemaStatVisitor implements SQLServerASTVisitor {
      public SQLServerSchemaStatVisitor() {
          super(DbType.sqlserver);
      }
  
      public SQLServerSchemaStatVisitor(SchemaRepository repository) {
          super(repository);
      }
  
      @Override
      public boolean visit(SQLServerObjectReferenceExpr x) {
          return false;
      }
  
      @Override
      public boolean visit(SQLServerUpdateStatement x) {
          TableStat stat = getTableStat(x.getTableName());
          stat.incrementUpdateCount();
  
          accept(x.getItems());
          accept(x.getFrom());
          accept(x.getWhere());
  
          return false;
      }
  
      @Override
      public boolean visit(SQLServerExecStatement x) {
          return false;
      }
  
      @Override
      public boolean visit(SQLServerSetTransactionIsolationLevelStatement x) {
          return false;
      }
  
      @Override
      public boolean visit(SQLServerOutput x) {
          return false;
      }
  
      @Override
      public boolean visit(SQLServerRollbackStatement x) {
          return true;
      }
  
      @Override
      public boolean visit(SQLServerWaitForStatement x) {
          return true;
      }
  
      @Override
      public boolean visit(SQLServerParameter x) {
          return false;
      }
  }
  