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

Example 6 with RowSetReader

use of org.apache.drill.test.rowSet.RowSetReader in project drill by axbaretto.

the class TestScalarAccessors method longArrayTester.

private void longArrayTester(MinorType type) {
    BatchSchema batchSchema = new SchemaBuilder().addArray("col", type).build();
    SingleRowSet rs = fixture.rowSetBuilder(batchSchema).addSingleCol(new long[] {}).addSingleCol(new long[] { 0, 20, 30 }).build();
    assertEquals(2, rs.rowCount());
    RowSetReader reader = rs.reader();
    ScalarElementReader colReader = reader.elements(0);
    assertEquals(ValueType.LONG, colReader.valueType());
    assertTrue(reader.next());
    assertEquals(0, colReader.size());
    assertTrue(reader.next());
    assertEquals(3, colReader.size());
    assertEquals(0, colReader.getLong(0));
    assertEquals(20, colReader.getLong(1));
    assertEquals(30, colReader.getLong(2));
    assertEquals(0L, colReader.getObject(0));
    assertEquals(20L, colReader.getObject(1));
    assertEquals(30L, colReader.getObject(2));
    assertEquals("0", colReader.getAsString(0));
    assertEquals("20", colReader.getAsString(1));
    assertEquals("30", colReader.getAsString(2));
    assertFalse(reader.next());
    rs.clear();
}

Example 7 with RowSetReader

use of org.apache.drill.test.rowSet.RowSetReader in project drill by axbaretto.

the class TestScalarAccessors method nullableDecimalTester.

private void nullableDecimalTester(MinorType type, int precision) {
    MajorType majorType = MajorType.newBuilder().setMinorType(type).setScale(3).setPrecision(precision).setMode(DataMode.OPTIONAL).build();
    BatchSchema batchSchema = new SchemaBuilder().add("col", majorType).build();
    BigDecimal v1 = BigDecimal.ZERO;
    BigDecimal v2 = BigDecimal.valueOf(123_456_789, 3);
    SingleRowSet rs = fixture.rowSetBuilder(batchSchema).addRow(v1).addSingleCol(null).addRow(v2).build();
    assertEquals(3, rs.rowCount());
    RowSetReader reader = rs.reader();
    ScalarReader colReader = reader.scalar(0);
    assertEquals(ValueType.DECIMAL, colReader.valueType());
    assertTrue(reader.next());
    assertFalse(colReader.isNull());
    assertEquals(0, v1.compareTo(colReader.getDecimal()));
    assertTrue(reader.next());
    assertTrue(colReader.isNull());
    assertNull(colReader.getObject());
    assertEquals("null", colReader.getAsString());
    assertTrue(reader.next());
    assertEquals(0, v2.compareTo(colReader.getDecimal()));
    assertFalse(reader.next());
    rs.clear();
}

Example 8 with RowSetReader

use of org.apache.drill.test.rowSet.RowSetReader in project drill by axbaretto.

the class TestScalarAccessors method nullableDoubleTester.

private void nullableDoubleTester(MinorType type) {
    BatchSchema batchSchema = new SchemaBuilder().addNullable("col", type).build();
    SingleRowSet rs = fixture.rowSetBuilder(batchSchema).addRow(10F).addSingleCol(null).addRow(30F).build();
    assertEquals(3, rs.rowCount());
    RowSetReader reader = rs.reader();
    ScalarReader colReader = reader.scalar(0);
    assertTrue(reader.next());
    assertFalse(colReader.isNull());
    assertEquals(10, colReader.getDouble(), 0.000001);
    assertTrue(reader.next());
    assertTrue(colReader.isNull());
    assertNull(colReader.getObject());
    assertEquals("null", colReader.getAsString());
    // Data value is undefined, may be garbage
    assertTrue(reader.next());
    assertEquals(30, colReader.getDouble(), 0.000001);
    assertFalse(reader.next());
    rs.clear();
}

Example 9 with RowSetReader

use of org.apache.drill.test.rowSet.RowSetReader in project drill by axbaretto.

the class TestScalarAccessors method testIntervalArray.

@Test
public void testIntervalArray() {
    BatchSchema batchSchema = new SchemaBuilder().addArray("col", MinorType.INTERVAL).build();
    Period p1 = Period.days(0);
    Period p2 = Period.years(7).plusMonths(8).plusDays(3).plusHours(4).plusMinutes(5).plusSeconds(23);
    Period p3 = Period.years(9999).plusMonths(11).plusDays(365).plusHours(23).plusMinutes(59).plusSeconds(59);
    SingleRowSet rs = fixture.rowSetBuilder(batchSchema).addSingleCol(new Period[] {}).addSingleCol(new Period[] { p1, p2, p3 }).build();
    assertEquals(2, rs.rowCount());
    RowSetReader reader = rs.reader();
    ScalarElementReader colReader = reader.elements(0);
    assertEquals(ValueType.PERIOD, colReader.valueType());
    assertTrue(reader.next());
    assertEquals(0, colReader.size());
    assertTrue(reader.next());
    assertEquals(3, colReader.size());
    assertEquals(p1, colReader.getPeriod(0).normalizedStandard());
    assertEquals(p2, colReader.getPeriod(1).normalizedStandard());
    assertEquals(p3.normalizedStandard(), colReader.getPeriod(2).normalizedStandard());
    assertEquals(p2, ((Period) colReader.getObject(1)).normalizedStandard());
    assertEquals(p2.toString(), colReader.getAsString(1));
    assertFalse(reader.next());
    rs.clear();
}

Example 10 with RowSetReader

use of org.apache.drill.test.rowSet.RowSetReader in project drill by axbaretto.

the class TestScalarAccessors method testNullableIntervalYear.

@Test
public void testNullableIntervalYear() {
    BatchSchema batchSchema = new SchemaBuilder().addNullable("col", MinorType.INTERVALYEAR).build();
    Period p1 = Period.years(0);
    Period p2 = Period.years(2).plusMonths(3);
    SingleRowSet rs = fixture.rowSetBuilder(batchSchema).addRow(p1).addSingleCol(null).addRow(p2).build();
    assertEquals(3, rs.rowCount());
    RowSetReader reader = rs.reader();
    ScalarReader colReader = reader.scalar(0);
    assertEquals(ValueType.PERIOD, colReader.valueType());
    assertTrue(reader.next());
    assertFalse(colReader.isNull());
    assertEquals(p1, colReader.getPeriod());
    assertTrue(reader.next());
    assertTrue(colReader.isNull());
    assertNull(colReader.getPeriod());
    assertNull(colReader.getObject());
    assertEquals("null", colReader.getAsString());
    assertTrue(reader.next());
    assertEquals(p2, colReader.getPeriod());
    assertFalse(reader.next());
    rs.clear();
}