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

Example 41 with SingleRowSet

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

the class TestScalarAccessors method testDecimal9RW.

@Test
public void testDecimal9RW() {
    MajorType type = MajorType.newBuilder().setMinorType(MinorType.DECIMAL9).setScale(3).setPrecision(9).setMode(DataMode.REQUIRED).build();
    BatchSchema batchSchema = new SchemaBuilder().add("col", type).build();
    BigDecimal v1 = BigDecimal.ZERO;
    BigDecimal v2 = BigDecimal.valueOf(123_456_789, 3);
    BigDecimal v3 = BigDecimal.valueOf(999_999_999, 3);
    SingleRowSet rs = fixture.rowSetBuilder(batchSchema).addRow(v1).addRow(v2).addRow(v3).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());
    assertEquals(0, v2.compareTo(colReader.getDecimal()));
    assertEquals(0, v2.compareTo((BigDecimal) colReader.getObject()));
    assertEquals(v2.toString(), colReader.getAsString());
    assertTrue(reader.next());
    assertEquals(0, v3.compareTo(colReader.getDecimal()));
    assertFalse(reader.next());
    rs.clear();
}

Example 42 with SingleRowSet

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

the class RowSetTest method testMapStructure.

/**
 * Test a simple map structure at the top level of a row.
 *
 * @throws VectorOverflowException should never occur
 */
@Test
public void testMapStructure() {
    TupleMetadata schema = new SchemaBuilder().add("a", MinorType.INT).addMap("m").addArray("b", MinorType.INT).resumeSchema().buildSchema();
    ExtendableRowSet rowSet = fixture.rowSet(schema);
    RowSetWriter writer = rowSet.writer();
    // Map and Int
    // Test Invariants
    assertEquals(ObjectType.SCALAR, writer.column("a").type());
    assertEquals(ObjectType.SCALAR, writer.column(0).type());
    assertEquals(ObjectType.TUPLE, writer.column("m").type());
    assertEquals(ObjectType.TUPLE, writer.column(1).type());
    assertSame(writer.column(1).tuple(), writer.tuple(1));
    TupleWriter mapWriter = writer.column(1).tuple();
    assertEquals(ObjectType.SCALAR, mapWriter.column("b").array().entry().type());
    assertEquals(ObjectType.SCALAR, mapWriter.column("b").array().entryType());
    ScalarWriter aWriter = writer.column("a").scalar();
    ScalarWriter bWriter = writer.column("m").tuple().column("b").array().entry().scalar();
    assertSame(bWriter, writer.tuple(1).array(0).scalar());
    assertEquals(ValueType.INTEGER, bWriter.valueType());
    try {
        writer.column(1).scalar();
        fail();
    } catch (UnsupportedOperationException e) {
    // Expected
    }
    try {
        writer.column(1).array();
        fail();
    } catch (UnsupportedOperationException e) {
    // Expected
    }
    // Write data
    aWriter.setInt(10);
    bWriter.setInt(11);
    bWriter.setInt(12);
    writer.save();
    aWriter.setInt(20);
    bWriter.setInt(21);
    bWriter.setInt(22);
    writer.save();
    aWriter.setInt(30);
    bWriter.setInt(31);
    bWriter.setInt(32);
    writer.save();
    // Finish the row set and get a reader.
    SingleRowSet actual = writer.done();
    RowSetReader reader = actual.reader();
    assertEquals(ObjectType.SCALAR, reader.column("a").type());
    assertEquals(ObjectType.SCALAR, reader.column(0).type());
    assertEquals(ObjectType.TUPLE, reader.column("m").type());
    assertEquals(ObjectType.TUPLE, reader.column(1).type());
    assertSame(reader.column(1).tuple(), reader.tuple(1));
    ScalarReader aReader = reader.column(0).scalar();
    TupleReader mReader = reader.column(1).tuple();
    assertEquals(ObjectType.SCALAR, mReader.column("b").array().entryType());
    ScalarElementReader bReader = mReader.column(0).elements();
    assertEquals(ValueType.INTEGER, bReader.valueType());
    assertTrue(reader.next());
    assertEquals(10, aReader.getInt());
    assertEquals(11, bReader.getInt(0));
    assertEquals(12, bReader.getInt(1));
    assertTrue(reader.next());
    assertEquals(20, aReader.getInt());
    assertEquals(21, bReader.getInt(0));
    assertEquals(22, bReader.getInt(1));
    assertTrue(reader.next());
    assertEquals(30, aReader.getInt());
    assertEquals(31, bReader.getInt(0));
    assertEquals(32, bReader.getInt(1));
    assertFalse(reader.next());
    // Verify that the map accessor's value count was set.
    @SuppressWarnings("resource") MapVector mapVector = (MapVector) actual.container().getValueVector(1).getValueVector();
    assertEquals(actual.rowCount(), mapVector.getAccessor().getValueCount());
    SingleRowSet expected = fixture.rowSetBuilder(schema).addRow(10, objArray(intArray(11, 12))).addRow(20, objArray(intArray(21, 22))).addRow(30, objArray(intArray(31, 32))).build();
    new RowSetComparison(expected).verifyAndClearAll(actual);
}

Example 43 with SingleRowSet

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

the class RowSetTest method testRepeatedMapStructure.

@Test
public void testRepeatedMapStructure() {
    TupleMetadata schema = new SchemaBuilder().add("a", MinorType.INT).addMapArray("m").add("b", MinorType.INT).add("c", MinorType.INT).resumeSchema().buildSchema();
    ExtendableRowSet rowSet = fixture.rowSet(schema);
    RowSetWriter writer = rowSet.writer();
    // Map and Int
    // Pick out components and lightly test. (Assumes structure
    // tested earlier is still valid, so no need to exhaustively
    // test again.)
    assertEquals(ObjectType.SCALAR, writer.column("a").type());
    assertEquals(ObjectType.ARRAY, writer.column("m").type());
    ArrayWriter maWriter = writer.column(1).array();
    assertEquals(ObjectType.TUPLE, maWriter.entryType());
    TupleWriter mapWriter = maWriter.tuple();
    assertEquals(ObjectType.SCALAR, mapWriter.column("b").type());
    assertEquals(ObjectType.SCALAR, mapWriter.column("c").type());
    ScalarWriter aWriter = writer.column("a").scalar();
    ScalarWriter bWriter = mapWriter.scalar("b");
    ScalarWriter cWriter = mapWriter.scalar("c");
    assertEquals(ValueType.INTEGER, aWriter.valueType());
    assertEquals(ValueType.INTEGER, bWriter.valueType());
    assertEquals(ValueType.INTEGER, cWriter.valueType());
    // Write data
    aWriter.setInt(10);
    bWriter.setInt(101);
    cWriter.setInt(102);
    // Advance to next array position
    maWriter.save();
    bWriter.setInt(111);
    cWriter.setInt(112);
    maWriter.save();
    writer.save();
    aWriter.setInt(20);
    bWriter.setInt(201);
    cWriter.setInt(202);
    maWriter.save();
    bWriter.setInt(211);
    cWriter.setInt(212);
    maWriter.save();
    writer.save();
    aWriter.setInt(30);
    bWriter.setInt(301);
    cWriter.setInt(302);
    maWriter.save();
    bWriter.setInt(311);
    cWriter.setInt(312);
    maWriter.save();
    writer.save();
    // Finish the row set and get a reader.
    SingleRowSet actual = writer.done();
    RowSetReader reader = actual.reader();
    // Verify reader structure
    assertEquals(ObjectType.SCALAR, reader.column("a").type());
    assertEquals(ObjectType.ARRAY, reader.column("m").type());
    ArrayReader maReader = reader.column(1).array();
    assertEquals(ObjectType.TUPLE, maReader.entryType());
    TupleReader mapReader = maReader.tuple();
    assertEquals(ObjectType.SCALAR, mapReader.column("b").type());
    assertEquals(ObjectType.SCALAR, mapReader.column("c").type());
    ScalarReader aReader = reader.column("a").scalar();
    ScalarReader bReader = mapReader.scalar("b");
    ScalarReader cReader = mapReader.scalar("c");
    assertEquals(ValueType.INTEGER, aReader.valueType());
    assertEquals(ValueType.INTEGER, bReader.valueType());
    assertEquals(ValueType.INTEGER, cReader.valueType());
    // Row 1: use index accessors
    assertTrue(reader.next());
    assertEquals(10, aReader.getInt());
    TupleReader ixReader = maReader.tuple(0);
    assertEquals(101, ixReader.scalar(0).getInt());
    assertEquals(102, ixReader.scalar(1).getInt());
    ixReader = maReader.tuple(1);
    assertEquals(111, ixReader.scalar(0).getInt());
    assertEquals(112, ixReader.scalar(1).getInt());
    // Row 2: use common accessor with explicit positioning,
    // but access scalars through the map reader.
    assertTrue(reader.next());
    assertEquals(20, aReader.getInt());
    maReader.setPosn(0);
    assertEquals(201, mapReader.scalar(0).getInt());
    assertEquals(202, mapReader.scalar(1).getInt());
    maReader.setPosn(1);
    assertEquals(211, mapReader.scalar(0).getInt());
    assertEquals(212, mapReader.scalar(1).getInt());
    // Row 3: use common accessor for scalars
    assertTrue(reader.next());
    assertEquals(30, aReader.getInt());
    maReader.setPosn(0);
    assertEquals(301, bReader.getInt());
    assertEquals(302, cReader.getInt());
    maReader.setPosn(1);
    assertEquals(311, bReader.getInt());
    assertEquals(312, cReader.getInt());
    assertFalse(reader.next());
    // Verify that the map accessor's value count was set.
    @SuppressWarnings("resource") RepeatedMapVector mapVector = (RepeatedMapVector) actual.container().getValueVector(1).getValueVector();
    assertEquals(3, mapVector.getAccessor().getValueCount());
    // Verify the readers and writers again using the testing tools.
    SingleRowSet expected = fixture.rowSetBuilder(schema).addRow(10, objArray(objArray(101, 102), objArray(111, 112))).addRow(20, objArray(objArray(201, 202), objArray(211, 212))).addRow(30, objArray(objArray(301, 302), objArray(311, 312))).build();
    new RowSetComparison(expected).verifyAndClearAll(actual);
}

Example 44 with SingleRowSet

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

the class TestFillEmpties method doFillEmptiesScalar.

private void doFillEmptiesScalar(MajorType majorType) {
    TupleMetadata schema = new SchemaBuilder().add("a", majorType).buildSchema();
    ExtendableRowSet rs = fixture.rowSet(schema);
    RowSetWriter writer = rs.writer();
    ScalarWriter colWriter = writer.scalar(0);
    ValueType valueType = colWriter.valueType();
    boolean nullable = majorType.getMode() == DataMode.OPTIONAL;
    for (int i = 0; i < ROW_COUNT; i++) {
        if (i % 5 == 0) {
            colWriter.setObject(RowSetUtilities.testDataFromInt(valueType, majorType, i));
        }
        writer.save();
    }
    SingleRowSet result = writer.done();
    RowSetReader reader = result.reader();
    ScalarReader colReader = reader.scalar(0);
    MinorType type = majorType.getMinorType();
    boolean isVariable = (type == MinorType.VARCHAR || type == MinorType.VAR16CHAR || type == MinorType.VARBINARY);
    for (int i = 0; i < ROW_COUNT; i++) {
        assertTrue(reader.next());
        if (i % 5 != 0) {
            if (nullable) {
                // Nullable types fill with nulls.
                assertTrue(colReader.isNull());
                continue;
            }
            if (isVariable) {
                // Variable width types fill with a zero-length value.
                assertEquals(0, colReader.getBytes().length);
                continue;
            }
        }
        // All other types fill with zero-bytes, interpreted as some form
        // of zero for each type.
        Object actual = colReader.getObject();
        Object expected = RowSetUtilities.testDataFromInt(valueType, majorType, i % 5 == 0 ? i : 0);
        RowSetUtilities.assertEqualValues(majorType.toString().replace('\n', ' ') + "[" + i + "]", valueType, expected, actual);
    }
    result.clear();
}

Example 45 with SingleRowSet

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

the class RowSetTest method testTinyIntRW.

private void testTinyIntRW() {
    BatchSchema batchSchema = new SchemaBuilder().add("col", MinorType.TINYINT).build();
    SingleRowSet rs = fixture.rowSetBuilder(batchSchema).add(0).add(Byte.MAX_VALUE).add(Byte.MIN_VALUE).build();
    RowSetReader reader = rs.reader();
    assertTrue(reader.next());
    assertEquals(0, reader.column(0).getInt());
    assertTrue(reader.next());
    assertEquals(Byte.MAX_VALUE, reader.column(0).getInt());
    assertTrue(reader.next());
    assertEquals(Byte.MIN_VALUE, reader.column(0).getInt());
    assertFalse(reader.next());
    rs.clear();
}