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.ast.statement.SQLSelectStatement;
  import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
  import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
  
  import java.util.List;
  
  public class OracleSelectTest105 extends OracleTest {
      public void test_0() throws Exception {
          String sql = //
                  "SELECT gz, UTL_RAW.CAST_TO_RAW(gzname) AS gzname, dept\n" +
                          "\t, UTL_RAW.CAST_TO_RAW(deptname) AS deptname, floor\n" +
                          "\t, UTL_RAW.CAST_TO_RAW(floorname) AS floorname, area, storeno\n" +
                          "FROM sys_floor_dept_gz";
  
          System.out.println(sql);
  
          OracleStatementParser parser = new OracleStatementParser(sql);
          List<SQLStatement> statementList = parser.parseStatementList();
          SQLSelectStatement stmt = (SQLSelectStatement) statementList.get(0);
          System.out.println(stmt.toString());
  
          assertEquals(1, statementList.size());
  
  //        SQLMethodInvokeExpr expr = (SQLMethodInvokeExpr) stmt.getSelect().getQueryBlock().getSelectList().get(0).getExpr();
  //        SQLMethodInvokeExpr param0 = (SQLMethodInvokeExpr) expr.getParameters().get(0);
  //        assertTrue(param0.getParameters().get(0)
  //                instanceof SQLAggregateExpr);
  
          OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
          stmt.accept(visitor);
  
          {
              String text = SQLUtils.toOracleString(stmt);
  
              assertEquals("SELECT gz, UTL_RAW.CAST_TO_RAW(gzname) AS gzname, dept\n" +
                      "\t, UTL_RAW.CAST_TO_RAW(deptname) AS deptname, floor\n" +
                      "\t, UTL_RAW.CAST_TO_RAW(floorname) AS floorname, area, storeno\n" +
                      "FROM sys_floor_dept_gz", 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(8, visitor.getColumns().size());
          assertEquals(0, visitor.getConditions().size());
          assertEquals(0, visitor.getRelationships().size());
          assertEquals(0, visitor.getOrderByColumns().size());
      }
  }
  