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  package org.apache.cayenne.access;
  
  import org.apache.cayenne.ObjectContext;
  import org.apache.cayenne.di.Inject;
  import org.apache.cayenne.query.EJBQLQuery;
  import org.apache.cayenne.test.jdbc.DBHelper;
  import org.apache.cayenne.test.jdbc.TableHelper;
  import org.apache.cayenne.testdo.testmap.Artist;
  import org.apache.cayenne.unit.di.runtime.CayenneProjects;
  import org.apache.cayenne.unit.di.runtime.RuntimeCase;
  import org.apache.cayenne.unit.di.runtime.UseCayenneRuntime;
  import org.junit.Before;
  import org.junit.Test;
  
  import java.math.BigDecimal;
  import java.sql.Types;
  import java.util.List;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  @UseCayenneRuntime(CayenneProjects.TESTMAP_PROJECT)
  public class DataContextEJBQLArrayResultIT extends RuntimeCase {
  
      @Inject
      protected ObjectContext context;
  
      @Inject
      protected DBHelper dbHelper;
  
      @Before
      public void setUp() throws Exception {
          TableHelper tArtist = new TableHelper(dbHelper, "ARTIST");
          tArtist.setColumns("ARTIST_ID", "ARTIST_NAME");
          tArtist.insert(33001, "AA1");
          tArtist.insert(33002, "AA2");
          tArtist.insert(33003, "BB1");
          tArtist.insert(33004, "BB2");
  
          TableHelper tPainting = new TableHelper(dbHelper, "PAINTING");
          tPainting.setColumns(
                  "PAINTING_ID",
                  "ARTIST_ID",
                  "PAINTING_TITLE",
                  "ESTIMATED_PRICE").setColumnTypes(
                  Types.INTEGER,
                  Types.BIGINT,
                  Types.VARCHAR,
                  Types.DECIMAL);
          tPainting.insert(33001, 33001, "P1", 3000);
          tPainting.insert(33002, 33002, "P2", 5000);
          tPainting.insert(33003, null, "P3", 5000);
      }
  
      @Test
      public void testSQLResultSetMappingScalar() throws Exception {
  
          String ejbql = "SELECT count(p) FROM Painting p JOIN p.toArtist a";
  
          EJBQLQuery query = new EJBQLQuery(ejbql);
  
          List<?> objects = context.performQuery(query);
          assertEquals(1, objects.size());
  
          Object o1 = objects.get(0);
          assertEquals(2L, o1);
      }
  
      @Test
      public void testSQLResultSetMappingScalars() throws Exception {
  
          String ejbql = "SELECT count(p), sum(p.estimatedPrice) FROM Painting p JOIN p.toArtist a";
  
          EJBQLQuery query = new EJBQLQuery(ejbql);
  
          List<?> objects = context.performQuery(query);
          assertEquals(1, objects.size());
  
          Object o1 = objects.get(0);
          assertTrue("Expected Object[]: " + o1, o1 instanceof Object[]);
          Object[] array1 = (Object[]) o1;
          assertEquals(2, array1.length);
  
          assertEquals(2L, array1[0]);
          assertEquals(0, new BigDecimal(8000).compareTo((BigDecimal) array1[1]));
      }
  
      @Test
      public void testSQLResultSetMappingMixed() throws Exception {
  
          String ejbql = "SELECT count(p), a, sum(p.estimatedPrice) "
                  + "FROM Artist a LEFT JOIN a.paintingArray p "
                  + "GROUP BY a ORDER BY a.artistName";
  
          EJBQLQuery query = new EJBQLQuery(ejbql);
  
          List<?> objects = context.performQuery(query);
          assertEquals(4, objects.size());
  
          Object o1 = objects.get(0);
          assertTrue("Expected Object[]: " + o1, o1 instanceof Object[]);
          Object[] array1 = (Object[]) o1;
          assertEquals(3, array1.length);
  
          assertEquals(1L, array1[0]);
          assertTrue("Expected Artist, got: " + array1[1], array1[1] instanceof Artist);
          assertEquals(0, new BigDecimal(3000).compareTo((BigDecimal) array1[2]));
      }
  
  }
  