package org.tests.query;
import io.ebean.BaseTestCase;
import io.ebean.Ebean;
import io.ebean.Query;
import org.tests.model.basic.Customer;
import org.tests.model.basic.Order;
import org.tests.model.basic.ResetBasicData;
import org.junit.Assert;
import org.junit.Test;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
public class TestQueryExists extends BaseTestCase {
@Test
public void testExists_orders_onOneToMany() {
ResetBasicData.reset();
Query<Order> query = Ebean.find(Order.class)
.where().raw("exists (select 1 from o_order_detail where order_id = t0.id)")
.query();
List<Order> ordersThatHave = query.findList();
Query<Order> query2 = Ebean.find(Order.class)
.where().raw("not exists (select 1 from o_order_detail where order_id = t0.id)")
.query();
List<Order> ordersThatDontHave = query2.findList();
assertThat(query.getGeneratedSql()).contains(" exists (");
assertThat(query2.getGeneratedSql()).contains(" not exists (");
assertThat(ordersThatHave).isNotEmpty();
assertThat(ordersThatDontHave).isNotEmpty();
}
@Test
public void testExists_onOneToMany() {
ResetBasicData.reset();
Query<Customer> query = Ebean.find(Customer.class)
.where().raw("exists (select 1 from contact where customer_id = t0.id)")
.query();
List<Customer> customersWithContacts = query.findList();
Query<Customer> query2 = Ebean.find(Customer.class)
.where().raw("not exists (select 1 FROM contact where customer_id = t0.id)")
.query();
query2.findList();
assertThat(query.getGeneratedSql()).contains(" exists (");
assertThat(query2.getGeneratedSql()).contains(" not exists (");
assertThat(customersWithContacts).isNotEmpty();
}
@Test
public void testExists() {
ResetBasicData.reset();
Query<Order> subQuery = Ebean.find(Order.class).alias("sq").select("id").where().raw("sq.kcustomer_id = qt.id").query();
Query<Customer> query = Ebean.find(Customer.class).alias("qt").where().exists(subQuery).query();
query.findList();
String sql = query.getGeneratedSql();
Assert.assertTrue(sql.indexOf("exists (") > 0);
}
@Test
public void testNotExists() {
ResetBasicData.reset();
Query<Order> subQuery = Ebean.find(Order.class).alias("sq").select("id").where().raw("sq.kcustomer_id = qt.id").query();
Query<Customer> query = Ebean.find(Customer.class).alias("qt").where().notExists(subQuery).query();
query.findList();
String sql = query.getGeneratedSql();
Assert.assertTrue(sql.indexOf("not exists (") > 0);
}
}