Examples with ScalarReader org.apache.drill.exec.vector.accessor.ScalarReader used on opensource projects

Example 46 with ScalarReader

use of org.apache.drill.exec.vector.accessor.ScalarReader in project drill by apache.

the class TestScalarAccessors method testTimeObjectRW.

@Test
public void testTimeObjectRW() {
    TupleMetadata schema = new SchemaBuilder().add("col", MinorType.TIME).buildSchema();
    LocalTime v1 = LocalTime.of(12, 13, 14);
    SingleRowSet rs = fixture.rowSetBuilder(schema).addSingleCol(v1).build();
    assertEquals(1, rs.rowCount());
    RowSetReader reader = rs.reader();
    ScalarReader colReader = reader.scalar(0);
    assertEquals(ValueType.TIME, colReader.extendedType());
    assertTrue(reader.next());
    assertEquals(v1, colReader.getTime());
    assertFalse(reader.next());
    rs.clear();
}

Example 47 with ScalarReader

use of org.apache.drill.exec.vector.accessor.ScalarReader in project drill by apache.

the class TestScalarAccessors method testIntervalDayArray.

@Test
public void testIntervalDayArray() {
    TupleMetadata schema = new SchemaBuilder().addArray("col", MinorType.INTERVALDAY).buildSchema();
    Period p1 = Period.days(0);
    Period p2 = Period.days(3).plusHours(4).plusMinutes(5).plusSeconds(23);
    Period p3 = Period.days(999).plusHours(23).plusMinutes(59).plusSeconds(59);
    SingleRowSet rs = fixture.rowSetBuilder(schema).addSingleCol(new Period[] {}).addSingleCol(new Period[] { p1, p2, p3 }).build();
    assertEquals(2, rs.rowCount());
    RowSetReader reader = rs.reader();
    ArrayReader arrayReader = reader.array(0);
    ScalarReader colReader = arrayReader.scalar();
    assertEquals(ValueType.PERIOD, colReader.valueType());
    assertTrue(reader.next());
    assertEquals(0, arrayReader.size());
    assertTrue(reader.next());
    assertEquals(3, arrayReader.size());
    assertTrue(arrayReader.next());
    assertEquals(p1, colReader.getPeriod().normalizedStandard());
    assertTrue(arrayReader.next());
    assertEquals(p2, colReader.getPeriod().normalizedStandard());
    assertEquals(p2, ((Period) colReader.getObject()).normalizedStandard());
    assertEquals(p2.toString(), colReader.getAsString());
    assertTrue(arrayReader.next());
    assertEquals(p3.normalizedStandard(), colReader.getPeriod().normalizedStandard());
    assertFalse(arrayReader.next());
    assertFalse(reader.next());
    rs.clear();
}

Example 48 with ScalarReader

use of org.apache.drill.exec.vector.accessor.ScalarReader in project drill by apache.

the class TestScalarAccessors method testNullableBitRW.

@Test
public void testNullableBitRW() {
    TupleMetadata schema = new SchemaBuilder().addNullable("col", MinorType.BIT).buildSchema();
    SingleRowSet rs = fixture.rowSetBuilder(schema).addSingleCol(true).addSingleCol(false).addSingleCol(null).addSingleCol(1).addSingleCol(2).addSingleCol(null).build();
    assertEquals(6, rs.rowCount());
    // Verify vector state
    VectorContainer container = rs.container();
    assertEquals(1, container.getNumberOfColumns());
    ValueVector v = container.getValueVector(0).getValueVector();
    assertTrue(v instanceof NullableBitVector);
    NullableBitVector nv = (NullableBitVector) v;
    assertEquals(6, nv.getAccessor().getValueCount());
    BitVector dv = nv.getValuesVector();
    assertEquals(6, dv.getAccessor().getValueCount());
    assertEquals(1, dv.getBuffer().writerIndex());
    // Verify bits vector. (Assumes UInt1 implementation.)
    UInt1Vector bv = nv.getBitsVector();
    assertEquals(6, bv.getAccessor().getValueCount());
    assertEquals(6, bv.getBuffer().writerIndex());
    // Verify using a reader
    RowSetReader reader = rs.reader();
    ScalarReader colReader = reader.scalar(0);
    assertTrue(reader.next());
    assertEquals(true, colReader.getBoolean());
    assertEquals(1, colReader.getInt());
    assertFalse(colReader.isNull());
    assertTrue(reader.next());
    assertEquals(false, colReader.getBoolean());
    assertEquals(0, colReader.getInt());
    assertFalse(colReader.isNull());
    assertTrue(reader.next());
    assertTrue(colReader.isNull());
    assertTrue(reader.next());
    assertEquals(true, colReader.getBoolean());
    assertEquals(1, colReader.getInt());
    assertTrue(reader.next());
    assertFalse(colReader.isNull());
    assertEquals(true, colReader.getBoolean());
    assertEquals(1, colReader.getInt());
    assertFalse(colReader.isNull());
    assertTrue(reader.next());
    assertTrue(colReader.isNull());
    assertFalse(reader.next());
    rs.clear();
}

Example 49 with ScalarReader

use of org.apache.drill.exec.vector.accessor.ScalarReader in project drill by apache.

the class TestScalarAccessors method testSmallIntRW.

@Test
public void testSmallIntRW() {
    TupleMetadata schema = new SchemaBuilder().add("col", MinorType.SMALLINT).buildSchema();
    SingleRowSet rs = fixture.rowSetBuilder(schema).addRow(0).addRow(Short.MAX_VALUE).addRow(Short.MIN_VALUE).build();
    assertEquals(3, rs.rowCount());
    RowSetReader reader = rs.reader();
    ScalarReader colReader = reader.scalar(0);
    assertEquals(ValueType.INTEGER, colReader.valueType());
    assertTrue(reader.next());
    assertFalse(colReader.isNull());
    assertEquals(0, colReader.getInt());
    assertTrue(reader.next());
    assertEquals(Short.MAX_VALUE, colReader.getInt());
    assertEquals((int) Short.MAX_VALUE, colReader.getObject());
    assertEquals(Short.toString(Short.MAX_VALUE), colReader.getAsString());
    assertTrue(reader.next());
    assertEquals(Short.MIN_VALUE, colReader.getInt());
    assertFalse(reader.next());
    rs.clear();
}

Example 50 with ScalarReader

use of org.apache.drill.exec.vector.accessor.ScalarReader in project drill by apache.

the class TestScalarAccessors method testNullableIntervalYear.

@Test
public void testNullableIntervalYear() {
    TupleMetadata schema = new SchemaBuilder().addNullable("col", MinorType.INTERVALYEAR).buildSchema();
    Period p1 = Period.years(0);
    Period p2 = Period.years(2).plusMonths(3);
    SingleRowSet rs = fixture.rowSetBuilder(schema).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.getObject());
    assertEquals("null", colReader.getAsString());
    assertTrue(reader.next());
    assertEquals(p2, colReader.getPeriod());
    assertFalse(reader.next());
    rs.clear();
}