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.bvt.sql.h2;
  
  import com.alibaba.druid.sql.OracleTest;
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
  import com.alibaba.druid.util.JdbcConstants;
  
  import java.util.List;
  
  public class H2_Select_0_limit extends OracleTest {
      public void test_0() throws Exception {
          String sql = //
                  "SELECT * FROM CUSTOMER LIMIT 1000;";
  
  //        System.out.println(sql);
  
          List<SQLStatement> stmtList = SQLUtils.toStatementList(sql, JdbcConstants.H2);
          SQLStatement stmt = stmtList.get(0);
  
          assertEquals(1, stmtList.size());
  
          SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(JdbcConstants.H2);
          stmt.accept(visitor);
  
          {
              String text = SQLUtils.toSQLString(stmt, JdbcConstants.H2);
  
              assertEquals("SELECT *\n" +
                      "FROM CUSTOMER\n" +
                      "LIMIT 1000;", text);
          }
  
          System.out.println("Tables : " + visitor.getTables());
          System.out.println("fields : " + visitor.getColumns());
          System.out.println("coditions : " + visitor.getConditions());
          System.out.println("relationships : " + visitor.getRelationships());
          System.out.println("orderBy : " + visitor.getOrderByColumns());
  
          assertEquals(1, visitor.getTables().size());
          assertEquals(1, visitor.getColumns().size());
          assertEquals(0, visitor.getConditions().size());
          assertEquals(0, visitor.getRelationships().size());
          assertEquals(0, visitor.getOrderByColumns().size());
  
          assertTrue(visitor.containsTable("CUSTOMER"));
      }
  }
  