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

Example 6 with TupleWriter

use of org.apache.drill.exec.vector.accessor.TupleWriter 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 7 with TupleWriter

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

the class TestResultSetLoaderUnions method testUnionAddTypes.

@Test
public void testUnionAddTypes() {
    final ResultSetLoader rsLoader = new ResultSetLoaderImpl(fixture.allocator());
    final RowSetLoader writer = rsLoader.writer();
    rsLoader.startBatch();
    // First row, (1, "first"), create types as we go.
    writer.start();
    writer.addColumn(SchemaBuilder.columnSchema("id", MinorType.INT, DataMode.REQUIRED));
    writer.scalar("id").setInt(1);
    writer.addColumn(SchemaBuilder.columnSchema("u", MinorType.UNION, DataMode.OPTIONAL));
    final VariantWriter variant = writer.column("u").variant();
    variant.member(MinorType.VARCHAR).scalar().setString("first");
    writer.save();
    // Second row, (2, {20, "fred"}), create types as we go.
    writer.start();
    writer.scalar("id").setInt(2);
    final TupleWriter innerMap = variant.member(MinorType.MAP).tuple();
    innerMap.addColumn(SchemaBuilder.columnSchema("a", MinorType.INT, DataMode.OPTIONAL));
    innerMap.scalar("a").setInt(20);
    innerMap.addColumn(SchemaBuilder.columnSchema("b", MinorType.VARCHAR, DataMode.OPTIONAL));
    innerMap.scalar("b").setString("fred");
    writer.save();
    // Write remaining rows using convenient methods, using
    // schema defined above.
    writer.addRow(3, null).addRow(4, mapValue(40, null)).addRow(5, "last");
    // Verify the values.
    // (Relies on the row set level union tests having passed.)
    final TupleMetadata schema = new SchemaBuilder().add("id", MinorType.INT).addUnion("u").addType(MinorType.VARCHAR).addMap().addNullable("a", MinorType.INT).addNullable("b", MinorType.VARCHAR).resumeUnion().resumeSchema().buildSchema();
    final SingleRowSet expected = fixture.rowSetBuilder(schema).addRow(1, "first").addRow(2, mapValue(20, "fred")).addRow(3, null).addRow(4, mapValue(40, null)).addRow(5, "last").build();
    final RowSet result = fixture.wrap(rsLoader.harvest());
    RowSetUtilities.verify(expected, result);
}

Example 8 with TupleWriter

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

the class TestResultSetLoaderUnions method testVariantListWithMap.

/**
 * Dynamically add a map to a list that also contains scalars.
 * Assumes that {@link #testVariantListDynamic()} passed.
 */
@Test
public void testVariantListWithMap() {
    final ResultSetLoader rsLoader = new ResultSetLoaderImpl(fixture.allocator());
    final RowSetLoader writer = rsLoader.writer();
    rsLoader.startBatch();
    writer.addColumn(MaterializedField.create("id", Types.required(MinorType.INT)));
    writer.addColumn(MaterializedField.create("list", Types.optional(MinorType.LIST)));
    final ArrayWriter arrWriter = writer.array("list");
    final VariantWriter variant = arrWriter.variant();
    // Add a null list, or a list of nulls.
    writer.addRow(1, null).addRow(2, variantArray()).addRow(3, variantArray(null, null));
    // Add a String. Now we can create a list of strings and/or nulls.
    variant.addMember(MinorType.VARCHAR);
    writer.addRow(4, variantArray("fred", null, "barney"));
    // Add a map
    final TupleWriter mapWriter = variant.addMember(MinorType.MAP).tuple();
    mapWriter.addColumn(MetadataUtils.newScalar("first", Types.optional(MinorType.VARCHAR)));
    mapWriter.addColumn(MetadataUtils.newScalar("last", Types.optional(MinorType.VARCHAR)));
    // Add a map-based record
    writer.addRow(5, variantArray(mapValue("wilma", "flintstone"), mapValue("betty", "rubble")));
    // Verify
    final RowSet result = fixture.wrap(rsLoader.harvest());
    final TupleMetadata schema = new SchemaBuilder().add("id", MinorType.INT).addList("list").addType(MinorType.VARCHAR).addMap().addNullable("first", MinorType.VARCHAR).addNullable("last", MinorType.VARCHAR).resumeUnion().resumeSchema().buildSchema();
    final SingleRowSet expected = fixture.rowSetBuilder(schema).addRow(1, null).addRow(2, variantArray()).addRow(3, variantArray(null, null)).addRow(4, variantArray("fred", null, "barney")).addRow(5, variantArray(mapValue("wilma", "flintstone"), mapValue("betty", "rubble"))).build();
    RowSetUtilities.verify(expected, result);
}

Example 9 with TupleWriter

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

the class TestResultSetLoaderMapArray method testBasics.

@Test
public void testBasics() {
    TupleMetadata schema = new SchemaBuilder().add("a", MinorType.INT).addMapArray("m").add("c", MinorType.INT).add("d", MinorType.VARCHAR).resumeSchema().buildSchema();
    ResultSetLoaderImpl.ResultSetOptions options = new ResultSetOptionBuilder().readerSchema(schema).build();
    ResultSetLoader rsLoader = new ResultSetLoaderImpl(fixture.allocator(), options);
    RowSetLoader rootWriter = rsLoader.writer();
    // Verify structure and schema
    TupleMetadata actualSchema = rootWriter.tupleSchema();
    assertEquals(2, actualSchema.size());
    assertTrue(actualSchema.metadata(1).isArray());
    assertTrue(actualSchema.metadata(1).isMap());
    assertEquals(2, actualSchema.metadata("m").tupleSchema().size());
    assertEquals(2, actualSchema.column("m").getChildren().size());
    TupleWriter mapWriter = rootWriter.array("m").tuple();
    assertSame(actualSchema.metadata("m").tupleSchema(), mapWriter.schema().tupleSchema());
    assertSame(mapWriter.tupleSchema(), mapWriter.schema().tupleSchema());
    assertSame(mapWriter.tupleSchema().metadata(0), mapWriter.scalar(0).schema());
    assertSame(mapWriter.tupleSchema().metadata(1), mapWriter.scalar(1).schema());
    // Write a couple of rows with arrays.
    rsLoader.startBatch();
    rootWriter.addRow(10, mapArray(mapValue(110, "d1.1"), mapValue(120, "d2.2"))).addRow(20, mapArray()).addRow(30, mapArray(mapValue(310, "d3.1"), mapValue(320, "d3.2"), mapValue(330, "d3.3")));
    // Verify the first batch
    RowSet actual = fixture.wrap(rsLoader.harvest());
    RepeatedMapVector mapVector = (RepeatedMapVector) actual.container().getValueVector(1).getValueVector();
    MaterializedField mapField = mapVector.getField();
    assertEquals(2, mapField.getChildren().size());
    Iterator<MaterializedField> iter = mapField.getChildren().iterator();
    assertTrue(mapWriter.scalar(0).schema().schema().isEquivalent(iter.next()));
    assertTrue(mapWriter.scalar(1).schema().schema().isEquivalent(iter.next()));
    SingleRowSet expected = fixture.rowSetBuilder(schema).addRow(10, mapArray(mapValue(110, "d1.1"), mapValue(120, "d2.2"))).addRow(20, mapArray()).addRow(30, mapArray(mapValue(310, "d3.1"), mapValue(320, "d3.2"), mapValue(330, "d3.3"))).build();
    RowSetUtilities.verify(expected, actual);
    // In the second, create a row, then add a map member.
    // Should be back-filled to empty for the first row.
    rsLoader.startBatch();
    rootWriter.addRow(40, mapArray(mapValue(410, "d4.1"), mapValue(420, "d4.2")));
    mapWriter.addColumn(SchemaBuilder.columnSchema("e", MinorType.VARCHAR, DataMode.OPTIONAL));
    rootWriter.addRow(50, mapArray(mapValue(510, "d5.1", "e5.1"), mapValue(520, "d5.2", null))).addRow(60, mapArray(mapValue(610, "d6.1", "e6.1"), mapValue(620, "d6.2", null), mapValue(630, "d6.3", "e6.3")));
    // Verify the second batch
    actual = fixture.wrap(rsLoader.harvest());
    mapVector = (RepeatedMapVector) actual.container().getValueVector(1).getValueVector();
    mapField = mapVector.getField();
    assertEquals(3, mapField.getChildren().size());
    TupleMetadata expectedSchema = new SchemaBuilder().add("a", MinorType.INT).addMapArray("m").add("c", MinorType.INT).add("d", MinorType.VARCHAR).addNullable("e", MinorType.VARCHAR).resumeSchema().buildSchema();
    expected = fixture.rowSetBuilder(expectedSchema).addRow(40, mapArray(mapValue(410, "d4.1", null), mapValue(420, "d4.2", null))).addRow(50, mapArray(mapValue(510, "d5.1", "e5.1"), mapValue(520, "d5.2", null))).addRow(60, mapArray(mapValue(610, "d6.1", "e6.1"), mapValue(620, "d6.2", null), mapValue(630, "d6.3", "e6.3"))).build();
    RowSetUtilities.verify(expected, actual);
    rsLoader.close();
}

Example 10 with TupleWriter

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

the class TestResultSetLoaderMapArray method testOmittedValues.

/**
 * Check that the "fill-empties" logic descends down into
 * a repeated map.
 */
@Test
public void testOmittedValues() {
    TupleMetadata schema = new SchemaBuilder().add("id", MinorType.INT).addMapArray("m").addNullable("a", MinorType.INT).addNullable("b", MinorType.VARCHAR).resumeSchema().buildSchema();
    ResultSetLoaderImpl.ResultSetOptions options = new ResultSetOptionBuilder().readerSchema(schema).rowCountLimit(ValueVector.MAX_ROW_COUNT).build();
    ResultSetLoader rsLoader = new ResultSetLoaderImpl(fixture.allocator(), options);
    RowSetLoader rootWriter = rsLoader.writer();
    int mapSkip = 5;
    int entrySkip = 3;
    int rowCount = 1000;
    int entryCount = 10;
    rsLoader.startBatch();
    ArrayWriter maWriter = rootWriter.array("m");
    TupleWriter mWriter = maWriter.tuple();
    for (int i = 0; i < rowCount; i++) {
        rootWriter.start();
        rootWriter.scalar(0).setInt(i);
        if (i % mapSkip != 0) {
            for (int j = 0; j < entryCount; j++) {
                if (j % entrySkip != 0) {
                    mWriter.scalar(0).setInt(i * entryCount + j);
                    mWriter.scalar(1).setString("b-" + i + "." + j);
                }
                maWriter.save();
            }
        }
        rootWriter.save();
    }
    RowSet result = fixture.wrap(rsLoader.harvest());
    assertEquals(rowCount, result.rowCount());
    RowSetReader reader = result.reader();
    ArrayReader maReader = reader.array("m");
    TupleReader mReader = maReader.tuple();
    for (int i = 0; i < rowCount; i++) {
        assertTrue(reader.next());
        assertEquals(i, reader.scalar(0).getInt());
        if (i % mapSkip == 0) {
            assertEquals(0, maReader.size());
            continue;
        }
        assertEquals(entryCount, maReader.size());
        for (int j = 0; j < entryCount; j++) {
            assertTrue(maReader.next());
            if (j % entrySkip == 0) {
                assertTrue(mReader.scalar(0).isNull());
                assertTrue(mReader.scalar(1).isNull());
            } else {
                assertFalse(mReader.scalar(0).isNull());
                assertFalse(mReader.scalar(1).isNull());
                assertEquals(i * entryCount + j, mReader.scalar(0).getInt());
                assertEquals("b-" + i + "." + j, mReader.scalar(1).getString());
            }
        }
    }
    result.clear();
    rsLoader.close();
}