ebean/src/test/java/com/avaje/tests/rawsql/TestRawSqlMasterDetail.java

package com.avaje.tests.rawsql;

import com.avaje.ebean.BaseTestCase;
import com.avaje.ebean.Ebean;
import com.avaje.ebean.RawSql;
import com.avaje.ebean.RawSqlBuilder;
import com.avaje.tests.model.basic.EBasic;
import com.avaje.tests.model.basic.Order;
import com.avaje.tests.model.basic.OrderDetail;
import com.avaje.tests.model.basic.ResetBasicData;
import org.junit.Test;

import java.util.List;
import java.util.Random;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;

public class TestRawSqlMasterDetail extends BaseTestCase {

  @Test
  public void test() {

    ResetBasicData.reset();

    String rs = "select t0.id, t0.status, t1.id, t1.name, "+
            " t2.id, t2.order_qty, t3.id, t3.name " +
            "from o_order t0 join o_customer t1 on t1.id = t0.kcustomer_id " +
            "join o_order_detail t2 on t2.order_id = t0.id  " +
            "join o_product t3 on t3.id = t2.product_id  " +
            "where t0.id <= :maxOrderId  and t3.id = :productId "+
            "order by t0.id, t2.id asc";

    RawSql rawSql = RawSqlBuilder.parse(rs)
            .columnMapping("t0.id", "id")
            .columnMapping("t0.status", "status")
            .columnMapping("t1.id", "customer.id")
            .columnMapping("t1.name", "customer.name")
            .columnMapping("t2.id", "details.id")
            .columnMapping("t2.order_qty", "details.orderQty")
            .columnMapping("t3.id", "details.product.id")
            .columnMapping("t3.name", "details.product.name")
            .create();

    List<Order> ordersFromRaw = Ebean.find(Order.class)
            .setRawSql(rawSql)
            .setParameter("maxOrderId", 2)
            .setParameter("productId", 1)
            .findList();

    printOrders(ordersFromRaw, "using RawSql");

  }

  @Test
  public void testWithTableAliasMapping() {

    ResetBasicData.reset();

    String rs = "select o.id, o.status, c.id, c.name, "+
            " d.id, d.order_qty, p.id, p.name " +
            "from o_order o join o_customer c on c.id = o.kcustomer_id " +
            "join o_order_detail d on d.order_id = o.id  " +
            "join o_product p on p.id = d.product_id  " +
            "where o.id <= :maxOrderId  and p.id = :productId "+
            "order by o.id, d.id asc";


    RawSql rawSql = RawSqlBuilder.parse(rs)
            .tableAliasMapping("c", "customer")
            .tableAliasMapping("d", "details")
            .tableAliasMapping("p", "details.product")
            .create();

    List<Order> ordersFromRaw = Ebean.find(Order.class)
            .setRawSql(rawSql)
            .setParameter("maxOrderId", 2)
            .setParameter("productId", 1)
            .findList();

    printOrders(ordersFromRaw, "using RawSql with tableAlias mapping");

  }

  @Test
  public void testWithNoIdPropertyWithInsert() {

    String name = "RawSql-NoIdTest"+new Random().nextInt();
    EBasic basic = new EBasic();
    basic.setName(name);
    basic.setStatus(EBasic.Status.ACTIVE);

    Ebean.save(basic);

    String rs = "select b.status, b.name from e_basic b ";

    RawSql rawSql = RawSqlBuilder.parse(rs).create();

    List<EBasic> list = Ebean.find(EBasic.class)
        .setRawSql(rawSql)
        .where().eq("name", name)
        .findList();

    assertEquals(1, list.size());
    EBasic basic1 = list.get(0);
    basic1.setDescription("insertAfterRawFetch");

    Ebean.save(basic1);
  }

  @Test
  public void testWithNoIdProperty() {

    ResetBasicData.reset();

    String rs = "select o.status, o.order_date from o_order o ";

    RawSql rawSql = RawSqlBuilder.parse(rs)
        .create();

    List<Order> ordersFromRaw = Ebean.find(Order.class)
        .setRawSql(rawSql)
        .findList();

    assertNotNull(ordersFromRaw);
    assertFalse(ordersFromRaw.isEmpty());
  }

  @Test
  public void testWithMultipleManys() {

    ResetBasicData.reset();

    String rs = "select o.id, o.status, c.id, c.name, "+
            " d.id, d.order_qty, p.id, p.name " +
            "from o_order o join o_customer c on c.id = o.kcustomer_id " +
            "join o_order_detail d on d.order_id = o.id  " +
            "join o_product p on p.id = d.product_id  " +
            "order by o.id, d.id asc";


    RawSql rawSql = RawSqlBuilder.parse(rs)
            .tableAliasMapping("c", "customer")
            .tableAliasMapping("d", "details")
            .tableAliasMapping("p", "details.product")
            .create();

    List<Order> ordersFromRaw = Ebean.find(Order.class)
            .setRawSql(rawSql)
            .findList();

    printOrders(ordersFromRaw, "using RawSql with tableAlias mapping");

  }

  private void printOrders(List<Order> orders, String heading) {
    System.out.println("-------------- "+heading);
    for (Order order : orders) {
      List<OrderDetail> details = order.getDetails();
      System.out.println("order: "+order.getId()+" "+order.getCustomer().getName());
      for (OrderDetail detail : details) {
        System.out.println("detailId:" + detail.getId() + " productId:" + detail.getProduct().getId() + " qty:" +
                detail.getOrderQty());
      }
    }
    System.out.println("-------------- "+heading+" complete");
  }
}