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.visitor;
  
  import com.alibaba.druid.DbType;
  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 junit.framework.TestCase;
  
  import java.util.List;
  
  public class OracleSchemaStatVisitorTest8_merge_into extends TestCase {
      private static final DbType dbType = JdbcConstants.ORACLE;
  
      public void test_0() throws Exception {
          String sql = "MERGE INTO (\n" +
                  "SELECT *\n" +
                  "FROM KPI_M_CW_INCOME_FACT_BAK\n" +
                  "WHERE THE_DATE = '{THISMONTH}'\n" +
                  "AND AREA_LEVEL <= 1\n" +
                  "AND TYPE_ID = '2'\n" +
                  ") A\n" +
                  "USING (\n" +
                  "SELECT *\n" +
                  "FROM M_HEALTH_APPRAISE_LOAD\n" +
                  "WHERE THE_DATE = TRUNC(SYSDATE)\n" +
                  "AND AREA_LEVEL <= 1\n" +
                  ") B ON (A.AREA_ID = B.AREA_ID\n" +
                  "AND A.AREA_LEVEL = B.AREA_LEVEL)\n" +
                  "WHEN MATCHED THEN UPDATE SET A.SUM_CHRG_YS = ROUND(B.TOTAL_CHARGE * 1.00 / 10000, 2), A.CHARGE = B.THIS_CHARGE;";
  
          List<SQLStatement> statementList = SQLUtils.toStatementList(sql, dbType);
          SQLStatement stmt = statementList.get(0);
  
          assertEquals(1, statementList.size());
  
          SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(dbType);
          stmt.accept(visitor);
  
          System.out.println(stmt.toString());
  
          System.out.println("Tables : " + visitor.getTables());
          System.out.println("fields : " + visitor.getColumns());
          System.out.println("relationShip : " + visitor.getRelationships());
          System.out.println("where : " + visitor.getConditions());
          System.out.println("groupBy : " + visitor.getGroupByColumns());
  
          assertEquals(2, visitor.getTables().size());
          assertTrue(visitor.containsTable("KPI_M_CW_INCOME_FACT_BAK"));
          assertTrue(visitor.containsTable("M_HEALTH_APPRAISE_LOAD"));
  //
          assertEquals(11, visitor.getColumns().size());
          assertTrue(visitor.containsColumn("M_HEALTH_APPRAISE_LOAD", "*"));
          assertTrue(visitor.containsColumn("M_HEALTH_APPRAISE_LOAD", "THE_DATE"));
          assertTrue(visitor.containsColumn("M_HEALTH_APPRAISE_LOAD", "AREA_LEVEL"));
          assertTrue(visitor.containsColumn("KPI_M_CW_INCOME_FACT_BAK", "*"));
          assertTrue(visitor.containsColumn("KPI_M_CW_INCOME_FACT_BAK", "THE_DATE"));
          assertTrue(visitor.containsColumn("KPI_M_CW_INCOME_FACT_BAK", "AREA_LEVEL"));
          assertTrue(visitor.containsColumn("KPI_M_CW_INCOME_FACT_BAK", "TYPE_ID"));
      }
  }
  