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.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
  import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
  import com.alibaba.druid.util.JdbcConstants;
  import junit.framework.TestCase;
  
  import java.util.List;
  
  public class OracleSelectTest135 extends TestCase {
      public void test_0() throws Exception {
          String sql = "select * from (\n" +
                  "        select C.FLEX_VALUE,\n" +
                  "        c.PARENT_FLEX_VALUE,\n" +
                  "        c.CN_DESCRIPTION,\n" +
                  "        c.En_Description from(\n" +
                  "        (select a.PARENT_FLEX_VALUE,\n" +
                  "        a.FLEX_VALUE,\n" +
                  "        a.CN_DESCRIPTION,\n" +
                  "        a.EN_DESCRIPTION,\n" +
                  "        a.SUMMARY_FLAG from\n" +
                  "        bpm_department_t4 a\n" +
                  "        where 1=1   \n" +
                  "        AND a.ENABLED_FLAG='Y'\n" +
                  "        )\n" +
                  "        MINUS\n" +
                  "        (select distinct b.PARENT_FLEX_VALUE,\n" +
                  "        b.FLEX_VALUE,\n" +
                  "        b.CN_DESCRIPTION,\n" +
                  "        b.EN_DESCRIPTION,\n" +
                  "        b.SUMMARY_FLAG\n" +
                  "        from\n" +
                  "        bpm_department_t4 b\n" +
                  "        where 1=1     \n" +
                  "        AND b.ENABLED_FLAG='Y'\n" +
                  "        start with\n" +
                  "        (b.flex_value = 'C019998' or b.flex_value like 'ZF%')\n" +
                  "        connect\n" +
                  "        by\n" +
                  "        prior b.flex_value =\n" +
                  "        b.parent_flex_value)\n" +
                  "        )c\n" +
                  "        where 1=1\n" +
                  "    and\n" +
                  "        UPPER(c.FLEX_VALUE) like\n" +
                  "        concat(concat('%','334518102833'),'%')\n" +
                  "            OR c.CN_DESCRIPTION like\n" +
                  "            concat(concat('%','334518102833'),'%')\n" +
                  "        )";
  //        System.out.println(sql);
  
          List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
  
          assertEquals(1, statementList.size());
  
          SQLSelectStatement stmt = (SQLSelectStatement) statementList.get(0);
  
          assertEquals("SELECT *\n"
              + "FROM (\n"
              + "\tSELECT C.FLEX_VALUE, c.PARENT_FLEX_VALUE, c.CN_DESCRIPTION, c.En_Description\n"
              + "\tFROM (\n"
              + "\t\t(SELECT a.PARENT_FLEX_VALUE, a.FLEX_VALUE, a.CN_DESCRIPTION, a.EN_DESCRIPTION, a.SUMMARY_FLAG\n"
              + "\t\tFROM bpm_department_t4 a\n"
              + "\t\tWHERE 1 = 1\n"
              + "\t\t\tAND a.ENABLED_FLAG = 'Y')\n"
              + "\t\tMINUS\n"
              + "\t\t(SELECT DISTINCT b.PARENT_FLEX_VALUE, b.FLEX_VALUE, b.CN_DESCRIPTION, b.EN_DESCRIPTION, b.SUMMARY_FLAG\n"
              + "\t\tFROM bpm_department_t4 b\n"
              + "\t\tWHERE 1 = 1\n"
              + "\t\t\tAND b.ENABLED_FLAG = 'Y'\n"
              + "\t\tSTART WITH (b.flex_value = 'C019998'\n"
              + "\t\t\tOR b.flex_value LIKE 'ZF%')\n"
              + "\t\tCONNECT BY PRIOR b.flex_value = b.parent_flex_value)\n"
              + "\t) c\n"
              + "\tWHERE 1 = 1\n"
              + "\t\tAND UPPER(c.FLEX_VALUE) LIKE concat(concat('%', '334518102833'), '%')\n"
              + "\t\tOR c.CN_DESCRIPTION LIKE concat(concat('%', '334518102833'), '%')\n"
              + ")", stmt.toString());
  
          assertEquals("select *\n"
              + "from (\n"
              + "\tselect C.FLEX_VALUE, c.PARENT_FLEX_VALUE, c.CN_DESCRIPTION, c.En_Description\n"
              + "\tfrom (\n"
              + "\t\t(select a.PARENT_FLEX_VALUE, a.FLEX_VALUE, a.CN_DESCRIPTION, a.EN_DESCRIPTION, a.SUMMARY_FLAG\n"
              + "\t\tfrom bpm_department_t4 a\n"
              + "\t\twhere 1 = 1\n"
              + "\t\t\tand a.ENABLED_FLAG = 'Y')\n"
              + "\t\tminus\n"
              + "\t\t(select distinct b.PARENT_FLEX_VALUE, b.FLEX_VALUE, b.CN_DESCRIPTION, b.EN_DESCRIPTION, b.SUMMARY_FLAG\n"
              + "\t\tfrom bpm_department_t4 b\n"
              + "\t\twhere 1 = 1\n"
              + "\t\t\tand b.ENABLED_FLAG = 'Y'\n"
              + "\t\tstart with (b.flex_value = 'C019998'\n"
              + "\t\t\tor b.flex_value like 'ZF%')\n"
              + "\t\tconnect by prior b.flex_value = b.parent_flex_value)\n"
              + "\t) c\n"
              + "\twhere 1 = 1\n"
              + "\t\tand UPPER(c.FLEX_VALUE) like concat(concat('%', '334518102833'), '%')\n"
              + "\t\tor c.CN_DESCRIPTION like concat(concat('%', '334518102833'), '%')\n"
              + ")", stmt.toLowerCaseString());
  
          OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
          stmt.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());
          assertEquals(6, visitor.getColumns().size());
          assertEquals(5, visitor.getConditions().size());
          assertEquals(1, visitor.getRelationships().size());
          assertEquals(0, visitor.getOrderByColumns().size());
  
  //        assertTrue(visitor.containsColumn("srm1.CONSIGNEE_ADDRESS", "id"));
      }
  }
  