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.insert;
  
  import com.alibaba.druid.sql.OracleTest;
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
  import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
  import com.alibaba.druid.stat.TableStat;
  import com.alibaba.druid.util.JdbcConstants;
  
  import java.util.List;
  
  public class OracleInsertTest20_first extends OracleTest {
      public void test_0() throws Exception {
          String sql = "INSERT FIRST\n" +
                  "   WHEN ottl < 100000 THEN\n" +
                  "      INTO small_orders\n" +
                  "         VALUES(oid, ottl, sid, cid)\n" +
                  "   WHEN ottl > 100000 and ottl < 200000 THEN\n" +
                  "      INTO medium_orders\n" +
                  "         VALUES(oid, ottl, sid, cid)\n" +
                  "   WHEN ottl > 290000 THEN\n" +
                  "      INTO special_orders\n" +
                  "   WHEN ottl > 200000 THEN\n" +
                  "      INTO large_orders\n" +
                  "         VALUES(oid, ottl, sid, cid)\n" +
                  "   SELECT o.order_id oid, o.customer_id cid, o.order_total ottl,\n" +
                  "      o.sales_rep_id sid, c.credit_limit cl, c.cust_email cem\n" +
                  "      FROM orders o, customers c\n" +
                  "      WHERE o.customer_id = c.customer_id;";
  
          OracleStatementParser parser = new OracleStatementParser(sql);
          List<SQLStatement> statementList = parser.parseStatementList();
          SQLStatement stmt = statementList.get(0);
          print(statementList);
  
          assertEquals(1, statementList.size());
  
          assertEquals("INSERT FIRST \n" +
                          "\tWHEN ottl < 100000 THEN\n" +
                          "\t\tINTO small_orders\n" +
                          "\t\tVALUES (oid, ottl, sid, cid)\n" +
                          "\tWHEN ottl > 100000\n" +
                          "\tAND ottl < 200000 THEN\n" +
                          "\t\tINTO medium_orders\n" +
                          "\t\tVALUES (oid, ottl, sid, cid)\n" +
                          "\tWHEN ottl > 290000 THEN\n" +
                          "\t\tINTO special_orders\n" +
                          "\tWHEN ottl > 200000 THEN\n" +
                          "\t\tINTO large_orders\n" +
                          "\t\tVALUES (oid, ottl, sid, cid)\n" +
                          "SELECT o.order_id AS oid, o.customer_id AS cid, o.order_total AS ottl, o.sales_rep_id AS sid, c.credit_limit AS cl\n" +
                          "\t, c.cust_email AS cem\n" +
                          "FROM orders o, customers c\n" +
                          "WHERE o.customer_id = c.customer_id;",
                  SQLUtils.toSQLString(stmt, JdbcConstants.ORACLE));
  
          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());
  
          assertEquals(6, visitor.getTables().size());
          assertEquals(7, visitor.getColumns().size());
  
          assertTrue(visitor.getTables().containsKey(new TableStat.Name("orders")));
  
          assertTrue(visitor.getColumns().contains(new TableStat.Column("orders", "customer_id")));
      }
  }
  