private static void assertReadFields(RecordCursor cursor, List<ColumnMetadata> schema) {
for (int columnIndex = 0; columnIndex < schema.size(); columnIndex++) {
ColumnMetadata column = schema.get(columnIndex);
if (!cursor.isNull(columnIndex)) {
Type type = column.getType();
if (BOOLEAN.equals(type)) {
cursor.getBoolean(columnIndex);
} else if (BIGINT.equals(type)) {
cursor.getLong(columnIndex);
} else if (TIMESTAMP.equals(type)) {
cursor.getLong(columnIndex);
} else if (DOUBLE.equals(type)) {
cursor.getDouble(columnIndex);
} else if (VARCHAR.equals(type) || VARBINARY.equals(type)) {
try {
cursor.getSlice(columnIndex);
} catch (RuntimeException e) {
throw new RuntimeException("column " + column, e);
}
} else {
fail("Unknown primitive type " + columnIndex);
}
}
}
}
protected void checkCursor(RecordCursor cursor, List<TestColumn> testColumns, int numRows)
throws IOException {
for (int row = 0; row < numRows; row++) {
assertTrue(cursor.advanceNextPosition());
for (int i = 0, testColumnsSize = testColumns.size(); i < testColumnsSize; i++) {
TestColumn testColumn = testColumns.get(i);
Object fieldFromCursor;
Type type =
HiveType.valueOf(testColumn.getObjectInspector().getTypeName()).getType(TYPE_MANAGER);
if (cursor.isNull(i)) {
fieldFromCursor = null;
} else if (BOOLEAN.equals(type)) {
fieldFromCursor = cursor.getBoolean(i);
} else if (BIGINT.equals(type)) {
fieldFromCursor = cursor.getLong(i);
} else if (DOUBLE.equals(type)) {
fieldFromCursor = cursor.getDouble(i);
} else if (VARCHAR.equals(type)) {
fieldFromCursor = cursor.getSlice(i);
} else if (VARBINARY.equals(type)) {
fieldFromCursor = cursor.getSlice(i);
} else if (DateType.DATE.equals(type)) {
fieldFromCursor = cursor.getLong(i);
} else if (TimestampType.TIMESTAMP.equals(type)) {
fieldFromCursor = cursor.getLong(i);
} else if (isStructuralType(type)) {
fieldFromCursor = cursor.getObject(i);
} else {
throw new RuntimeException("unknown type");
}
if (fieldFromCursor == null) {
assertEquals(
null,
testColumn.getExpectedValue(),
String.format("Expected null for column %s", testColumn.getName()));
} else if (testColumn.getObjectInspector().getTypeName().equals("float")
|| testColumn.getObjectInspector().getTypeName().equals("double")) {
assertEquals((double) fieldFromCursor, (double) testColumn.getExpectedValue(), EPSILON);
} else if (testColumn.getObjectInspector().getCategory() == Category.PRIMITIVE) {
assertEquals(
fieldFromCursor,
testColumn.getExpectedValue(),
String.format("Wrong value for column %s", testColumn.getName()));
} else {
Block expected = (Block) testColumn.getExpectedValue();
Block actual = (Block) fieldFromCursor;
assertBlockEquals(
actual, expected, String.format("Wrong value for column %s", testColumn.getName()));
}
}
}
}
private static void insertRows(
ConnectorTableMetadata tableMetadata, Handle handle, RecordSet data) {
List<ColumnMetadata> columns =
ImmutableList.copyOf(
Iterables.filter(
tableMetadata.getColumns(),
new Predicate<ColumnMetadata>() {
@Override
public boolean apply(ColumnMetadata columnMetadata) {
return !columnMetadata.isHidden();
}
}));
String vars = Joiner.on(',').join(nCopies(columns.size(), "?"));
String sql =
format("INSERT INTO %s VALUES (%s)", tableMetadata.getTable().getTableName(), vars);
RecordCursor cursor = data.cursor();
while (true) {
// insert 1000 rows at a time
PreparedBatch batch = handle.prepareBatch(sql);
for (int row = 0; row < 1000; row++) {
if (!cursor.advanceNextPosition()) {
batch.execute();
return;
}
PreparedBatchPart part = batch.add();
for (int column = 0; column < columns.size(); column++) {
Type type = columns.get(column).getType();
if (BOOLEAN.equals(type)) {
part.bind(column, cursor.getBoolean(column));
} else if (BIGINT.equals(type)) {
part.bind(column, cursor.getLong(column));
} else if (DOUBLE.equals(type)) {
part.bind(column, cursor.getDouble(column));
} else if (VARCHAR.equals(type)) {
part.bind(column, cursor.getSlice(column).toStringUtf8());
} else if (DATE.equals(type)) {
long millisUtc = TimeUnit.DAYS.toMillis(cursor.getLong(column));
// H2 expects dates in to be millis at midnight in the JVM timezone
long localMillis =
DateTimeZone.UTC.getMillisKeepLocal(DateTimeZone.getDefault(), millisUtc);
part.bind(column, new Date(localMillis));
} else {
throw new IllegalArgumentException("Unsupported type " + type);
}
}
}
batch.execute();
}
}
@Test
public void testGetPartialRecords() throws Exception {
ConnectorTableHandle tableHandle = getTableHandle(table);
List<ConnectorColumnHandle> columnHandles =
ImmutableList.copyOf(metadata.getColumnHandles(tableHandle).values());
Map<String, Integer> columnIndex = indexColumns(columnHandles);
ConnectorPartitionResult partitionResult =
splitManager.getPartitions(tableHandle, TupleDomain.<ConnectorColumnHandle>all());
List<ConnectorSplit> splits =
getAllSplits(splitManager.getPartitionSplits(tableHandle, partitionResult.getPartitions()));
assertEquals(splits.size(), this.partitions.size());
for (ConnectorSplit split : splits) {
HiveSplit hiveSplit = (HiveSplit) split;
List<HivePartitionKey> partitionKeys = hiveSplit.getPartitionKeys();
String ds = partitionKeys.get(0).getValue();
String fileType = partitionKeys.get(1).getValue();
long dummy = Long.parseLong(partitionKeys.get(2).getValue());
long baseValue = getBaseValueForFileType(fileType);
long rowNumber = 0;
try (RecordCursor cursor =
recordSetProvider.getRecordSet(hiveSplit, columnHandles).cursor()) {
assertRecordCursorType(cursor, fileType);
while (cursor.advanceNextPosition()) {
rowNumber++;
assertEquals(cursor.getDouble(columnIndex.get("t_double")), baseValue + 6.2 + rowNumber);
assertEquals(cursor.getSlice(columnIndex.get("ds")).toStringUtf8(), ds);
assertEquals(cursor.getSlice(columnIndex.get("file_format")).toStringUtf8(), fileType);
assertEquals(cursor.getLong(columnIndex.get("dummy")), dummy);
}
}
assertEquals(rowNumber, 100);
}
}
@Test
public void testGetRecords() throws Exception {
ConnectorTableHandle tableHandle = getTableHandle(table);
ConnectorTableMetadata tableMetadata = metadata.getTableMetadata(tableHandle);
List<ConnectorColumnHandle> columnHandles =
ImmutableList.copyOf(metadata.getColumnHandles(tableHandle).values());
Map<String, Integer> columnIndex = indexColumns(columnHandles);
ConnectorPartitionResult partitionResult =
splitManager.getPartitions(tableHandle, TupleDomain.<ConnectorColumnHandle>all());
List<ConnectorSplit> splits =
getAllSplits(splitManager.getPartitionSplits(tableHandle, partitionResult.getPartitions()));
assertEquals(splits.size(), this.partitions.size());
for (ConnectorSplit split : splits) {
HiveSplit hiveSplit = (HiveSplit) split;
List<HivePartitionKey> partitionKeys = hiveSplit.getPartitionKeys();
String ds = partitionKeys.get(0).getValue();
String fileType = partitionKeys.get(1).getValue();
long dummy = Long.parseLong(partitionKeys.get(2).getValue());
long baseValue = getBaseValueForFileType(fileType);
assertEquals(dummy * 100, baseValue);
long rowNumber = 0;
long completedBytes = 0;
try (RecordCursor cursor =
recordSetProvider.getRecordSet(hiveSplit, columnHandles).cursor()) {
assertRecordCursorType(cursor, fileType);
assertEquals(cursor.getTotalBytes(), hiveSplit.getLength());
while (cursor.advanceNextPosition()) {
try {
assertReadFields(cursor, tableMetadata.getColumns());
} catch (RuntimeException e) {
throw new RuntimeException("row " + rowNumber, e);
}
rowNumber++;
if (rowNumber % 19 == 0) {
assertTrue(cursor.isNull(columnIndex.get("t_string")));
} else if (rowNumber % 19 == 1) {
assertEquals(cursor.getSlice(columnIndex.get("t_string")).toStringUtf8(), "");
} else {
assertEquals(
cursor.getSlice(columnIndex.get("t_string")).toStringUtf8(), (fileType + " test"));
}
assertEquals(
cursor.getLong(columnIndex.get("t_tinyint")),
(long) ((byte) (baseValue + 1 + rowNumber)));
assertEquals(cursor.getLong(columnIndex.get("t_smallint")), baseValue + 2 + rowNumber);
assertEquals(cursor.getLong(columnIndex.get("t_int")), baseValue + 3 + rowNumber);
if (rowNumber % 13 == 0) {
assertTrue(cursor.isNull(columnIndex.get("t_bigint")));
} else {
assertEquals(cursor.getLong(columnIndex.get("t_bigint")), baseValue + 4 + rowNumber);
}
assertEquals(
cursor.getDouble(columnIndex.get("t_float")), baseValue + 5.1 + rowNumber, 0.001);
assertEquals(cursor.getDouble(columnIndex.get("t_double")), baseValue + 6.2 + rowNumber);
if (rowNumber % 3 == 2) {
assertTrue(cursor.isNull(columnIndex.get("t_boolean")));
} else {
assertEquals(cursor.getBoolean(columnIndex.get("t_boolean")), rowNumber % 3 != 0);
}
if (rowNumber % 17 == 0) {
assertTrue(cursor.isNull(columnIndex.get("t_timestamp")));
} else {
long millis = new DateTime(2011, 5, 6, 7, 8, 9, 123, timeZone).getMillis();
assertEquals(
cursor.getLong(columnIndex.get("t_timestamp")), millis, (fileType + " test"));
}
if (rowNumber % 23 == 0) {
assertTrue(cursor.isNull(columnIndex.get("t_binary")));
} else {
assertEquals(
cursor.getSlice(columnIndex.get("t_binary")).toStringUtf8(), (fileType + " test"));
}
if (rowNumber % 29 == 0) {
assertTrue(cursor.isNull(columnIndex.get("t_map")));
} else {
String expectedJson = "{\"format\":\"" + fileType + "\"}";
assertEquals(cursor.getSlice(columnIndex.get("t_map")).toStringUtf8(), expectedJson);
}
if (rowNumber % 27 == 0) {
assertTrue(cursor.isNull(columnIndex.get("t_array_string")));
} else {
String expectedJson = "[\"" + fileType + "\",\"test\",\"data\"]";
assertEquals(
cursor.getSlice(columnIndex.get("t_array_string")).toStringUtf8(), expectedJson);
}
if (rowNumber % 31 == 0) {
assertTrue(cursor.isNull(columnIndex.get("t_complex")));
} else {
String expectedJson =
"{\"1\":[{\"s_string\":\""
+ fileType
+ "-a\",\"s_double\":0.1},{\"s_string\":\""
+ fileType
+ "-b\",\"s_double\":0.2}]}";
assertEquals(
cursor.getSlice(columnIndex.get("t_complex")).toStringUtf8(), expectedJson);
}
assertEquals(cursor.getSlice(columnIndex.get("ds")).toStringUtf8(), ds);
assertEquals(cursor.getSlice(columnIndex.get("file_format")).toStringUtf8(), fileType);
assertEquals(cursor.getLong(columnIndex.get("dummy")), dummy);
long newCompletedBytes = cursor.getCompletedBytes();
assertTrue(newCompletedBytes >= completedBytes);
assertTrue(newCompletedBytes <= hiveSplit.getLength());
completedBytes = newCompletedBytes;
}
}
assertTrue(completedBytes <= hiveSplit.getLength());
assertEquals(rowNumber, 100);
}
}
private void doCreateTable() throws InterruptedException {
// begin creating the table
List<ColumnMetadata> columns =
ImmutableList.<ColumnMetadata>builder()
.add(new ColumnMetadata("id", BIGINT, 1, false))
.add(new ColumnMetadata("t_string", VARCHAR, 2, false))
.add(new ColumnMetadata("t_bigint", BIGINT, 3, false))
.add(new ColumnMetadata("t_double", DOUBLE, 4, false))
.add(new ColumnMetadata("t_boolean", BOOLEAN, 5, false))
.build();
ConnectorTableMetadata tableMetadata =
new ConnectorTableMetadata(temporaryCreateTable, columns, tableOwner);
ConnectorOutputTableHandle outputHandle = metadata.beginCreateTable(SESSION, tableMetadata);
// write the records
RecordSink sink = recordSinkProvider.getRecordSink(outputHandle);
sink.beginRecord(1);
sink.appendLong(1);
sink.appendString("hello".getBytes(UTF_8));
sink.appendLong(123);
sink.appendDouble(43.5);
sink.appendBoolean(true);
sink.finishRecord();
sink.beginRecord(1);
sink.appendLong(2);
sink.appendNull();
sink.appendNull();
sink.appendNull();
sink.appendNull();
sink.finishRecord();
sink.beginRecord(1);
sink.appendLong(3);
sink.appendString("bye".getBytes(UTF_8));
sink.appendLong(456);
sink.appendDouble(98.1);
sink.appendBoolean(false);
sink.finishRecord();
String fragment = sink.commit();
// commit the table
metadata.commitCreateTable(outputHandle, ImmutableList.of(fragment));
// load the new table
ConnectorTableHandle tableHandle = getTableHandle(temporaryCreateTable);
List<ConnectorColumnHandle> columnHandles =
ImmutableList.copyOf(metadata.getColumnHandles(tableHandle).values());
// verify the metadata
tableMetadata = metadata.getTableMetadata(getTableHandle(temporaryCreateTable));
assertEquals(tableMetadata.getOwner(), tableOwner);
Map<String, ColumnMetadata> columnMap =
uniqueIndex(tableMetadata.getColumns(), columnNameGetter());
assertPrimitiveField(columnMap, 0, "id", BIGINT, false);
assertPrimitiveField(columnMap, 1, "t_string", VARCHAR, false);
assertPrimitiveField(columnMap, 2, "t_bigint", BIGINT, false);
assertPrimitiveField(columnMap, 3, "t_double", DOUBLE, false);
assertPrimitiveField(columnMap, 4, "t_boolean", BOOLEAN, false);
// verify the data
ConnectorPartitionResult partitionResult =
splitManager.getPartitions(tableHandle, TupleDomain.<ConnectorColumnHandle>all());
assertEquals(partitionResult.getPartitions().size(), 1);
ConnectorSplitSource splitSource =
splitManager.getPartitionSplits(tableHandle, partitionResult.getPartitions());
ConnectorSplit split = getOnlyElement(getAllSplits(splitSource));
try (RecordCursor cursor = recordSetProvider.getRecordSet(split, columnHandles).cursor()) {
assertRecordCursorType(cursor, "rcfile-binary");
assertTrue(cursor.advanceNextPosition());
assertEquals(cursor.getLong(0), 1);
assertEquals(cursor.getSlice(1).toStringUtf8(), "hello");
assertEquals(cursor.getLong(2), 123);
assertEquals(cursor.getDouble(3), 43.5);
assertEquals(cursor.getBoolean(4), true);
assertTrue(cursor.advanceNextPosition());
assertEquals(cursor.getLong(0), 2);
assertTrue(cursor.isNull(1));
assertTrue(cursor.isNull(2));
assertTrue(cursor.isNull(3));
assertTrue(cursor.isNull(4));
assertTrue(cursor.advanceNextPosition());
assertEquals(cursor.getLong(0), 3);
assertEquals(cursor.getSlice(1).toStringUtf8(), "bye");
assertEquals(cursor.getLong(2), 456);
assertEquals(cursor.getDouble(3), 98.1);
assertEquals(cursor.getBoolean(4), false);
assertFalse(cursor.advanceNextPosition());
}
}