content: /*
   * Copyright 1999-2018 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;
  
  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.SQLMergeStatement;
  import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
  import com.alibaba.druid.sql.parser.SQLStatementParser;
  
  import java.util.List;
  
  public class OracleMergeTest8 extends OracleTest {
      public void test_0() throws Exception {
          String sql = "merge into (select * from T09_RULE_CAL_COUNT where data_dt = '20160328' and rule_type = '2') t "
                  + "using ("
                  + "     select cust_no,organ_key "
                  + "     from (select t1.cust_no, t1.organ_key from t08_cust_result_c_mid t1 "
                  + "         union "
                  + "         (select t2.cust_no, t2.organ_key from t08_cust_result_i_mid t2)"
                  + "     )"
                  + ") t3 on(t3.cust_no =t.cust_no) when matched then update set t.organ_key=t3.organ_key";
  
          SQLStatementParser parser = new OracleStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
          SQLMergeStatement mergeStatement = (SQLMergeStatement) stmtList.get(0);
          String result = SQLUtils.toOracleString(mergeStatement);
          assertEquals("MERGE INTO (\n" +
                          "\tSELECT *\n" +
                          "\tFROM T09_RULE_CAL_COUNT\n" +
                          "\tWHERE data_dt = '20160328'\n" +
                          "\t\tAND rule_type = '2'\n" +
                          ") t\n" +
                          "USING (\n" +
                          "\tSELECT cust_no, organ_key\n" +
                          "\tFROM (\n" +
                          "\t\tSELECT t1.cust_no, t1.organ_key\n" +
                          "\t\tFROM t08_cust_result_c_mid t1\n" +
                          "\t\tUNION\n" +
                          "\t\t(SELECT t2.cust_no, t2.organ_key\n" +
                          "\t\tFROM t08_cust_result_i_mid t2)\n" +
                          "\t)\n" +
                          ") t3 ON (t3.cust_no = t.cust_no)\n" +
                          "WHEN MATCHED THEN UPDATE\n" +
                          "SET t.organ_key = t3.organ_key",
                  result);
          // assertTrue(visitor.getColumns().contains(new TableStat.Column("employees", "employee_id")));
          // assertTrue(visitor.getColumns().contains(new TableStat.Column("employees", "salary")));
          // assertTrue(visitor.getColumns().contains(new TableStat.Column("employees", "department_id")));
          // assertTrue(visitor.getColumns().contains(new TableStat.Column("bonuses", "employee_id")));
          // assertTrue(visitor.getColumns().contains(new TableStat.Column("bonuses", "bonus")));
      }
  }
  