Examples with RowSetWriter org.apache.drill.test.rowSet.RowSet.RowSetWriter used on opensource projects

Example 1 with RowSetWriter

use of org.apache.drill.test.rowSet.RowSet.RowSetWriter in project drill by apache.

the class RowSetTest method TestTopScalarArray.

@Test
public void TestTopScalarArray() {
    BatchSchema batchSchema = new SchemaBuilder().add("c", MinorType.INT).addArray("a", MinorType.INT).build();
    ExtendableRowSet rs1 = fixture.rowSet(batchSchema);
    RowSetWriter writer = rs1.writer();
    writer.column(0).setInt(10);
    ArrayWriter array = writer.column(1).array();
    array.setInt(100);
    array.setInt(110);
    writer.save();
    writer.column(0).setInt(20);
    array = writer.column(1).array();
    array.setInt(200);
    array.setInt(120);
    array.setInt(220);
    writer.save();
    writer.column(0).setInt(30);
    writer.save();
    writer.done();
    RowSetReader reader = rs1.reader();
    assertTrue(reader.next());
    assertEquals(10, reader.column(0).getInt());
    ArrayReader arrayReader = reader.column(1).array();
    assertEquals(2, arrayReader.size());
    assertEquals(100, arrayReader.getInt(0));
    assertEquals(110, arrayReader.getInt(1));
    assertTrue(reader.next());
    assertEquals(20, reader.column(0).getInt());
    arrayReader = reader.column(1).array();
    assertEquals(3, arrayReader.size());
    assertEquals(200, arrayReader.getInt(0));
    assertEquals(120, arrayReader.getInt(1));
    assertEquals(220, arrayReader.getInt(2));
    assertTrue(reader.next());
    assertEquals(30, reader.column(0).getInt());
    arrayReader = reader.column(1).array();
    assertEquals(0, arrayReader.size());
    assertFalse(reader.next());
    SingleRowSet rs2 = fixture.rowSetBuilder(batchSchema).add(10, new int[] { 100, 110 }).add(20, new int[] { 200, 120, 220 }).add(30, null).build();
    new RowSetComparison(rs1).verifyAndClear(rs2);
}