use of org.apache.drill.exec.vector.complex.RepeatedDictVector in project drill by apache.
the class BaseWriterBuilder method buildDict.
private AbstractObjectWriter buildDict(ValueVector vector, VectorDescrip descrip) {
if (vector.getField().getType().getMode() == DataMode.REPEATED) {
ValueVector dataVector = ((RepeatedDictVector) vector).getDataVector();
List<AbstractObjectWriter> writers = buildMap((AbstractMapVector) dataVector, descrip);
return ObjectDictWriter.buildDictArray(descrip.metadata, (RepeatedDictVector) vector, writers);
} else {
List<AbstractObjectWriter> writers = buildMap((AbstractMapVector) vector, descrip);
return ObjectDictWriter.buildDict(descrip.metadata, (DictVector) vector, writers);
}
}
use of org.apache.drill.exec.vector.complex.RepeatedDictVector in project drill by apache.
the class ObjectDictWriter method buildDictArray.
public static ArrayObjectWriter buildDictArray(ColumnMetadata metadata, RepeatedDictVector vector, List<AbstractObjectWriter> keyValueWriters) {
final DictVector dataVector;
if (vector != null) {
dataVector = (DictVector) vector.getDataVector();
} else {
dataVector = null;
}
ObjectDictWriter.DictObjectWriter dictWriter = buildDict(metadata, dataVector, keyValueWriters);
AbstractArrayWriter arrayWriter;
if (vector != null) {
arrayWriter = new ObjectArrayWriter(metadata, vector.getOffsetVector(), dictWriter);
} else {
arrayWriter = new DummyArrayWriter(metadata, dictWriter);
}
return new ArrayObjectWriter(arrayWriter);
}
use of org.apache.drill.exec.vector.complex.RepeatedDictVector in project drill by apache.
the class TestResultSetLoaderDictArray method testBasics.
@Test
public void testBasics() {
TupleMetadata schema = new SchemaBuilder().add("a", MinorType.INT).addDictArray("d", MinorType.INT).value(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).isDict());
assertEquals(2, actualSchema.metadata("d").tupleSchema().size());
assertEquals(2, actualSchema.column("d").getChildren().size());
DictWriter dictWriter = rootWriter.array("d").dict();
assertSame(actualSchema.metadata("d").tupleSchema(), dictWriter.schema().tupleSchema());
// Write a couple of rows with arrays.
rsLoader.startBatch();
rootWriter.addRow(10, objArray(map(110, "d1.1", 111, "d1.2", 112, "d1.3"), map(120, "d2.2"))).addRow(20, objArray()).addRow(30, objArray(map(310, "d3.1", 311, "d3.2", 313, "d3.4", 317, "d3.9"), map(320, "d4.2"), map(332, "d5.1", 339, "d5.5", 337, "d5.6")));
// Verify the batch
RowSet actual = fixture.wrap(rsLoader.harvest());
RepeatedDictVector repeatedDictVector = (RepeatedDictVector) actual.container().getValueVector(1).getValueVector();
// RepeatedDictVector contains one child - DictVector
MaterializedField dictArrayField = repeatedDictVector.getField();
assertEquals(1, dictArrayField.getChildren().size());
DictVector dictVector = (DictVector) repeatedDictVector.getDataVector();
Iterator<MaterializedField> iter = dictVector.getField().getChildren().iterator();
assertTrue(dictWriter.keyWriter().schema().schema().isEquivalent(iter.next()));
assertTrue(dictWriter.valueWriter().scalar().schema().schema().isEquivalent(iter.next()));
SingleRowSet expected = fixture.rowSetBuilder(schema).addRow(10, objArray(map(110, "d1.1", 111, "d1.2", 112, "d1.3"), map(120, "d2.2"))).addRow(20, objArray()).addRow(30, objArray(map(310, "d3.1", 311, "d3.2", 313, "d3.4", 317, "d3.9"), map(320, "d4.2"), map(332, "d5.1", 339, "d5.5", 337, "d5.6"))).build();
RowSetUtilities.verify(expected, actual);
rsLoader.close();
}
use of org.apache.drill.exec.vector.complex.RepeatedDictVector in project drill by apache.
the class TestRowSet method testRepeatedDictStructure.
@Test
public void testRepeatedDictStructure() {
final String dictName = "d";
final TupleMetadata schema = new SchemaBuilder().add("id", MinorType.INT).addDictArray(dictName, MinorType.FLOAT8).value(MinorType.VARCHAR).resumeSchema().buildSchema();
final ExtendableRowSet rowSet = fixture.rowSet(schema);
final RowSetWriter writer = rowSet.writer();
// Repeated dict
assertEquals(ObjectType.ARRAY, writer.column(dictName).type());
final ScalarWriter idWriter = writer.scalar(0);
final ArrayWriter dictArrayWriter = writer.column(1).array();
assertEquals(ObjectType.ARRAY, dictArrayWriter.entryType());
DictWriter dictWriter = dictArrayWriter.dict();
assertEquals(ValueType.DOUBLE, dictWriter.keyType());
assertEquals(ObjectType.SCALAR, dictWriter.valueType());
final ScalarWriter keyWriter = dictWriter.keyWriter();
final ScalarWriter valueWriter = dictWriter.valueWriter().scalar();
assertEquals(ValueType.DOUBLE, keyWriter.valueType());
assertEquals(ValueType.STRING, valueWriter.valueType());
// Write data
idWriter.setInt(1);
keyWriter.setDouble(1);
valueWriter.setString("a");
// advance to next entry position
dictWriter.save();
keyWriter.setDouble(2);
valueWriter.setString("b");
dictWriter.save();
// advance to next array position
dictArrayWriter.save();
keyWriter.setDouble(3);
valueWriter.setString("c");
dictWriter.save();
dictArrayWriter.save();
// advance to next row
writer.save();
idWriter.setInt(2);
keyWriter.setDouble(11);
valueWriter.setString("d");
dictWriter.save();
keyWriter.setDouble(12);
valueWriter.setString("e");
dictWriter.save();
dictArrayWriter.save();
writer.save();
idWriter.setInt(3);
keyWriter.setDouble(21);
valueWriter.setString("f");
dictWriter.save();
keyWriter.setDouble(22);
valueWriter.setString("g");
dictWriter.save();
keyWriter.setDouble(23);
valueWriter.setString("h");
dictWriter.save();
dictArrayWriter.save();
keyWriter.setDouble(24);
valueWriter.setString("i");
dictWriter.save();
keyWriter.setDouble(25);
valueWriter.setString("j");
dictWriter.save();
keyWriter.setDouble(26.5);
valueWriter.setString("k");
dictWriter.save();
keyWriter.setDouble(27);
valueWriter.setString("l");
dictWriter.save();
keyWriter.setDouble(28);
valueWriter.setString("m");
dictWriter.save();
dictArrayWriter.save();
writer.save();
// Finish the row set and get a reader.
final SingleRowSet actual = writer.done();
final RowSetReader reader = actual.reader();
// Verify reader structure
assertEquals(ObjectType.ARRAY, reader.column(dictName).type());
final ArrayReader dictArrayReader = reader.array(1);
assertEquals(ObjectType.ARRAY, dictArrayReader.entryType());
final DictReader dictReader = dictArrayReader.entry().dict();
assertEquals(ValueType.DOUBLE, dictReader.keyColumnType());
assertEquals(ObjectType.SCALAR, dictReader.valueColumnType());
final KeyAccessor keyAccessor = dictReader.keyAccessor();
final ScalarReader valueReader = dictReader.valueReader().scalar();
// Row 1
assertTrue(reader.next());
// array is not null
assertFalse(dictArrayReader.isNull());
assertTrue(dictArrayReader.next());
// first dict is not null
assertFalse(dictArrayReader.isNull());
assertTrue(keyAccessor.find(2.0f));
assertEquals("b", valueReader.getObject());
assertTrue(keyAccessor.find(1.0f));
assertEquals("a", valueReader.getObject());
// no entry for given key
assertFalse(keyAccessor.find(1.1f));
assertTrue(dictArrayReader.next());
assertTrue(keyAccessor.find(3.0f));
assertEquals("c", valueReader.getObject());
assertFalse(keyAccessor.find(1.0f));
assertEquals(Arrays.asList(map(1.0, "a", 2.0, "b"), map(3.0, "c")), dictArrayReader.getObject());
// Row 2
assertTrue(reader.next());
assertTrue(dictArrayReader.next());
assertTrue(keyAccessor.find(11.0f));
assertEquals("d", valueReader.getString());
assertFalse(keyAccessor.find(1.0f));
assertTrue(keyAccessor.find(12.0f));
assertEquals("e", valueReader.getString());
// Row 3: use explicit positioning
assertTrue(reader.next());
dictArrayReader.setPosn(1);
assertTrue(keyAccessor.find(24.0f));
assertEquals("i", valueReader.getString());
assertTrue(keyAccessor.find(26.5f));
assertEquals("k", valueReader.getString());
assertTrue(keyAccessor.find(28.0f));
assertEquals("m", valueReader.getString());
assertFalse(keyAccessor.find(35.0f));
assertTrue(keyAccessor.find(27.0f));
assertEquals("l", valueReader.getString());
Map<Object, Object> element1 = map(24.0, "i", 25.0, "j", 26.5, "k", 27.0, "l", 28.0, "m");
assertEquals(element1, dictReader.getObject());
dictArrayReader.setPosn(0);
assertTrue(keyAccessor.find(23.0f));
assertEquals("h", valueReader.getObject());
assertTrue(keyAccessor.find(21.0f));
assertEquals("f", valueReader.getObject());
assertFalse(keyAccessor.find(23.05f));
Map<Object, Object> element0 = map(21.0, "f", 22.0, "g", 23.0, "h");
assertEquals(element0, dictReader.getObject());
assertEquals(Arrays.asList(element0, element1), dictArrayReader.getObject());
assertFalse(reader.next());
// Verify that the dict accessor's value count was set.
final RepeatedDictVector vector = (RepeatedDictVector) actual.container().getValueVector(1).getValueVector();
assertEquals(3, vector.getAccessor().getValueCount());
final SingleRowSet expected = fixture.rowSetBuilder(schema).addRow(1, objArray(map(1.0f, "a", 2.0f, "b"), map(3.0f, "c"))).addRow(2, objArray(singleObjArray(map(11.0f, "d", 12.0f, "e")))).addRow(3, objArray(map(21.0f, "f", 22.0f, "g", 23.0f, "h"), map(24.0f, "i", 25.0f, "j", 26.5f, "k", 27.0f, "l", 28.0f, "m"))).build();
RowSetUtilities.verify(expected, actual);
}
use of org.apache.drill.exec.vector.complex.RepeatedDictVector in project drill by apache.
the class SingleSchemaInference method inferDictSchema.
private TupleSchema inferDictSchema(ValueVector vector) {
final List<ColumnMetadata> columns = new ArrayList<>();
DictVector dictVector;
if (vector.getField().getType().getMode() == DataMode.REPEATED) {
dictVector = (DictVector) ((RepeatedDictVector) vector).getDataVector();
} else {
dictVector = (DictVector) vector;
}
for (int i = 0; i < dictVector.size(); i++) {
columns.add(inferVector(dictVector.getChildByOrdinal(i)));
}
return MetadataUtils.fromColumns(columns);
}
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