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.oracle.select;
  
  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.stat.TableStat;
  import com.alibaba.druid.util.JdbcConstants;
  
  import java.util.List;
  
  public class OracleSelectTest_hierarchical_CONNECT_BY_ISCYCLE extends OracleTest {
      public void test_0() throws Exception {
          String sql = "SELECT last_name \"Employee\", CONNECT_BY_ISCYCLE \"Cycle\",\n" +
                  "   LEVEL, SYS_CONNECT_BY_PATH(last_name, '/') \"Path\"\n" +
                  "   FROM employees\n" +
                  "   WHERE level <= 3 AND department_id = 80\n" +
                  "   START WITH last_name = 'King'\n" +
                  "   CONNECT BY NOCYCLE PRIOR employee_id = manager_id AND LEVEL <= 4;";
  
          List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
          SQLStatement statemen = statementList.get(0);
          print(statementList);
  
          assertEquals(1, statementList.size());
  
          SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(JdbcConstants.ORACLE);
          statemen.accept(visitor);
  
          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());
  
          assertTrue(visitor.getTables().containsKey(new TableStat.Name("employees")));
  
          assertEquals(4, visitor.getColumns().size());
  
  //        assertTrue(visitor.getColumns().contains(new TableStat.Column("pivot_table", "*")));
  //        assertTrue(visitor.getColumns().contains(new TableStat.Column("pivot_table", "YEAR")));
  //        assertTrue(visitor.getColumns().contains(new TableStat.Column("pivot_table", "order_mode")));
      }
  }
  