org.apache.hadoop.hive.ql.io.orc.RecordReader Java Examples
The following examples show how to use
org.apache.hadoop.hive.ql.io.orc.RecordReader.
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Example #1
Source File: PutORCTest.java From nifi with Apache License 2.0 | 6 votes |
@Test public void testMalformedRecordExceptionFromReaderShouldRouteToFailure() throws InitializationException, IOException, MalformedRecordException, SchemaNotFoundException { configure(proc, 10); final org.apache.nifi.serialization.RecordReader recordReader = Mockito.mock(org.apache.nifi.serialization.RecordReader.class); when(recordReader.nextRecord()).thenThrow(new MalformedRecordException("ERROR")); final RecordReaderFactory readerFactory = Mockito.mock(RecordReaderFactory.class); when(readerFactory.getIdentifier()).thenReturn("mock-reader-factory"); when(readerFactory.createRecordReader(any(FlowFile.class), any(InputStream.class), any(ComponentLog.class))).thenReturn(recordReader); testRunner.addControllerService("mock-reader-factory", readerFactory); testRunner.enableControllerService(readerFactory); testRunner.setProperty(PutORC.RECORD_READER, "mock-reader-factory"); final String filename = "testMalformedRecordExceptionShouldRouteToFailure-" + System.currentTimeMillis(); final Map<String, String> flowFileAttributes = new HashMap<>(); flowFileAttributes.put(CoreAttributes.FILENAME.key(), filename); testRunner.enqueue("trigger", flowFileAttributes); testRunner.run(); testRunner.assertAllFlowFilesTransferred(PutORC.REL_FAILURE, 1); }
Example #2
Source File: OrcTester.java From presto with Apache License 2.0 | 5 votes |
private static void assertFileContentsOrcHive( Type type, TempFile tempFile, Iterable<?> expectedValues) throws Exception { JobConf configuration = new JobConf(new Configuration(false)); configuration.set(READ_COLUMN_IDS_CONF_STR, "0"); configuration.setBoolean(READ_ALL_COLUMNS, false); Reader reader = OrcFile.createReader( new Path(tempFile.getFile().getAbsolutePath()), new ReaderOptions(configuration)); RecordReader recordReader = reader.rows(); StructObjectInspector rowInspector = (StructObjectInspector) reader.getObjectInspector(); StructField field = rowInspector.getStructFieldRef("test"); Iterator<?> iterator = expectedValues.iterator(); Object rowData = null; while (recordReader.hasNext()) { rowData = recordReader.next(rowData); Object expectedValue = iterator.next(); Object actualValue = rowInspector.getStructFieldData(rowData, field); actualValue = decodeRecordReaderValue(type, actualValue); assertColumnValueEquals(type, actualValue, expectedValue); } assertFalse(iterator.hasNext()); }
Example #3
Source File: OrcFileRewriter.java From presto with Apache License 2.0 | 5 votes |
public static OrcFileInfo rewrite(File input, File output, BitSet rowsToDelete) throws IOException { try (FileSystem fileSystem = new SyncingFileSystem(CONFIGURATION)) { Reader reader = createReader(fileSystem, path(input)); if (reader.getNumberOfRows() < rowsToDelete.length()) { throw new IOException("File has fewer rows than deletion vector"); } int deleteRowCount = rowsToDelete.cardinality(); if (reader.getNumberOfRows() == deleteRowCount) { return new OrcFileInfo(0, 0); } if (reader.getNumberOfRows() >= Integer.MAX_VALUE) { throw new IOException("File has too many rows"); } int inputRowCount = toIntExact(reader.getNumberOfRows()); WriterOptions writerOptions = OrcFile.writerOptions(CONFIGURATION) .memory(new NullMemoryManager()) .fileSystem(fileSystem) .compress(reader.getCompression()) .inspector(reader.getObjectInspector()); long start = System.nanoTime(); try (Closer<RecordReader, IOException> recordReader = closer(reader.rows(), RecordReader::close); Closer<Writer, IOException> writer = closer(createWriter(path(output), writerOptions), Writer::close)) { if (reader.hasMetadataValue(OrcFileMetadata.KEY)) { ByteBuffer orcFileMetadata = reader.getMetadataValue(OrcFileMetadata.KEY); writer.get().addUserMetadata(OrcFileMetadata.KEY, orcFileMetadata); } OrcFileInfo fileInfo = rewrite(recordReader.get(), writer.get(), rowsToDelete, inputRowCount); log.debug("Rewrote file %s in %s (input rows: %s, output rows: %s)", input.getName(), nanosSince(start), inputRowCount, inputRowCount - deleteRowCount); return fileInfo; } } }
Example #4
Source File: OrcFileRewriter.java From presto with Apache License 2.0 | 5 votes |
private static OrcFileInfo rewrite(RecordReader reader, Writer writer, BitSet rowsToDelete, int inputRowCount) throws IOException { Object object = null; int row = 0; long rowCount = 0; long uncompressedSize = 0; row = rowsToDelete.nextClearBit(row); if (row < inputRowCount) { reader.seekToRow(row); } while (row < inputRowCount) { if (Thread.currentThread().isInterrupted()) { throw new InterruptedIOException(); } // seekToRow() is extremely expensive if (reader.getRowNumber() < row) { reader.next(object); continue; } object = reader.next(object); writer.addRow(object); rowCount++; uncompressedSize += uncompressedSize(object); row = rowsToDelete.nextClearBit(row + 1); } return new OrcFileInfo(rowCount, uncompressedSize); }
Example #5
Source File: OrcTestTools.java From incubator-gobblin with Apache License 2.0 | 5 votes |
/** * Reading ORC file into in-memory representation. */ @Override public TreeMap<String, OrcRowIterator> readAllRecordsInBinaryDirectory(FileSystem fs, Path path) throws IOException { TreeMap<String, OrcRowIterator> output = new TreeMap<>(); if (!fs.exists(path)) { return output; } PathFilter pathFilter = new HiddenFilter(); for (FileStatus status : FileListUtils.listFilesRecursively(fs, path, pathFilter)) { String key = PathUtils.relativizePath(status.getPath(), path).toString(); Reader orcReader = OrcFile.createReader(fs, status.getPath()); RecordReader recordReader = orcReader.rows(); output.put(key, new OrcRowIterator(TypeInfoUtils.getTypeInfoFromObjectInspector(orcReader.getObjectInspector()), new AbstractIterator<Writable>() { @Override protected Writable computeNext() { try { if (recordReader.hasNext()) { return (Writable) recordReader.next(null); } else { recordReader.close(); endOfData(); return null; } } catch (IOException ioe) { log.warn("Failed to process orc record reader, will terminate reader immediately", ioe); endOfData(); return null; } } })); } return output; }
Example #6
Source File: TestOrcStorage.java From spork with Apache License 2.0 | 5 votes |
private void verifyData(Path orcFile, Iterator<Tuple> iter, FileSystem fs, int expectedTotalRows) throws Exception { int expectedRows = 0; int actualRows = 0; Reader orcReader = OrcFile.createReader(fs, orcFile); ObjectInspector oi = orcReader.getObjectInspector(); StructObjectInspector soi = (StructObjectInspector) oi; RecordReader reader = orcReader.rows(null); Object row = null; while (reader.hasNext()) { row = reader.next(row); expectedRows++; List<?> orcRow = soi.getStructFieldsDataAsList(row); if (!iter.hasNext()) { break; } Tuple t = iter.next(); assertEquals(orcRow.size(), t.size()); actualRows++; for (int i = 0; i < orcRow.size(); i++) { Object expected = orcRow.get(i); Object actual = t.get(i); compareData(expected, actual); } } assertFalse(iter.hasNext()); assertEquals(expectedRows, actualRows); assertEquals(expectedTotalRows, actualRows); }
Example #7
Source File: TestOrcStorage.java From spork with Apache License 2.0 | 5 votes |
private void verifyData(Path orcFile, Path pigOrcFile, FileSystem fs, int expectedTotalRows) throws Exception { int expectedRows = 0; int actualRows = 0; Reader orcReaderExpected = OrcFile.createReader(fs, orcFile); StructObjectInspector soiExpected = (StructObjectInspector) orcReaderExpected.getObjectInspector(); Reader orcReaderActual = OrcFile.createReader(fs, orcFile); StructObjectInspector soiActual = (StructObjectInspector) orcReaderActual.getObjectInspector(); RecordReader readerExpected = orcReaderExpected.rows(null); Object expectedRow = null; RecordReader readerActual = orcReaderActual.rows(null); Object actualRow = null; while (readerExpected.hasNext()) { expectedRow = readerExpected.next(expectedRow); expectedRows++; List<?> orcRowExpected = soiExpected.getStructFieldsDataAsList(expectedRow); if (!readerActual.hasNext()) { break; } actualRow = readerActual.next(actualRow); actualRows++; List<?> orcRowActual = soiActual.getStructFieldsDataAsList(actualRow); assertEquals(orcRowExpected.size(), orcRowActual.size()); for (int i = 0; i < orcRowExpected.size(); i++) { assertEquals(orcRowExpected.get(i), orcRowActual.get(i)); } } assertFalse(readerActual.hasNext()); assertEquals(expectedRows, actualRows); assertEquals(expectedTotalRows, actualRows); readerExpected.close(); readerActual.close(); }
Example #8
Source File: PutORCTest.java From nifi with Apache License 2.0 | 5 votes |
@Test public void testIOExceptionFromReaderShouldRouteToRetry() throws InitializationException, IOException, MalformedRecordException, SchemaNotFoundException { configure(proc, 10); final RecordSet recordSet = Mockito.mock(RecordSet.class); when(recordSet.next()).thenThrow(new IOException("ERROR")); final org.apache.nifi.serialization.RecordReader recordReader = Mockito.mock(org.apache.nifi.serialization.RecordReader.class); when(recordReader.createRecordSet()).thenReturn(recordSet); when(recordReader.getSchema()).thenReturn(AvroTypeUtil.createSchema(schema)); final RecordReaderFactory readerFactory = Mockito.mock(RecordReaderFactory.class); when(readerFactory.getIdentifier()).thenReturn("mock-reader-factory"); when(readerFactory.createRecordReader(any(FlowFile.class), any(InputStream.class), any(ComponentLog.class))).thenReturn(recordReader); testRunner.addControllerService("mock-reader-factory", readerFactory); testRunner.enableControllerService(readerFactory); testRunner.setProperty(PutORC.RECORD_READER, "mock-reader-factory"); final String filename = "testMalformedRecordExceptionShouldRouteToFailure-" + System.currentTimeMillis(); final Map<String, String> flowFileAttributes = new HashMap<>(); flowFileAttributes.put(CoreAttributes.FILENAME.key(), filename); testRunner.enqueue("trigger", flowFileAttributes); testRunner.run(); testRunner.assertAllFlowFilesTransferred(PutORC.REL_RETRY, 1); }
Example #9
Source File: PutORCTest.java From nifi with Apache License 2.0 | 5 votes |
private void verifyORCUsers(final Path orcUsers, final int numExpectedUsers, BiFunction<List<Object>, Integer, Void> assertFunction) throws IOException { Reader reader = OrcFile.createReader(orcUsers, OrcFile.readerOptions(testConf)); RecordReader recordReader = reader.rows(); TypeInfo typeInfo = TypeInfoUtils.getTypeInfoFromTypeString("struct<name:string,favorite_number:int,favorite_color:string,scale:double>"); StructObjectInspector inspector = (StructObjectInspector) OrcStruct.createObjectInspector(typeInfo); int currUser = 0; Object nextRecord = null; while ((nextRecord = recordReader.next(nextRecord)) != null) { Assert.assertNotNull(nextRecord); Assert.assertTrue("Not an OrcStruct", nextRecord instanceof OrcStruct); List<Object> x = inspector.getStructFieldsDataAsList(nextRecord); if (assertFunction == null) { assertEquals("name" + currUser, x.get(0).toString()); assertEquals(currUser, ((IntWritable) x.get(1)).get()); assertEquals("blue" + currUser, x.get(2).toString()); assertEquals(10.0 * currUser, ((DoubleWritable) x.get(3)).get(), Double.MIN_VALUE); } else { assertFunction.apply(x, currUser); } currUser++; } assertEquals(numExpectedUsers, currUser); }
Example #10
Source File: TestConvertAvroToORC.java From localization_nifi with Apache License 2.0 | 4 votes |
@Test public void test_onTrigger_primitive_record() throws Exception { GenericData.Record record = TestNiFiOrcUtils.buildPrimitiveAvroRecord(10, 20L, true, 30.0f, 40, StandardCharsets.UTF_8.encode("Hello"), "World"); DatumWriter<GenericData.Record> writer = new GenericDatumWriter<>(record.getSchema()); DataFileWriter<GenericData.Record> fileWriter = new DataFileWriter<>(writer); ByteArrayOutputStream out = new ByteArrayOutputStream(); fileWriter.create(record.getSchema(), out); fileWriter.append(record); // Put another record in record = TestNiFiOrcUtils.buildPrimitiveAvroRecord(1, 2L, false, 3.0f, 4L, StandardCharsets.UTF_8.encode("I am"), "another record"); fileWriter.append(record); // And one more record = TestNiFiOrcUtils.buildPrimitiveAvroRecord(100, 200L, true, 300.0f, 400L, StandardCharsets.UTF_8.encode("Me"), "too!"); fileWriter.append(record); fileWriter.flush(); fileWriter.close(); out.close(); Map<String, String> attributes = new HashMap<String, String>() {{ put(CoreAttributes.FILENAME.key(), "test.avro"); }}; runner.enqueue(out.toByteArray(), attributes); runner.run(); runner.assertAllFlowFilesTransferred(ConvertAvroToORC.REL_SUCCESS, 1); // Write the flow file out to disk, since the ORC Reader needs a path MockFlowFile resultFlowFile = runner.getFlowFilesForRelationship(ConvertAvroToORC.REL_SUCCESS).get(0); assertEquals("CREATE EXTERNAL TABLE IF NOT EXISTS test_record (int INT, long BIGINT, boolean BOOLEAN, float FLOAT, double DOUBLE, bytes BINARY, string STRING)" + " STORED AS ORC", resultFlowFile.getAttribute(ConvertAvroToORC.HIVE_DDL_ATTRIBUTE)); assertEquals("3", resultFlowFile.getAttribute(ConvertAvroToORC.RECORD_COUNT_ATTRIBUTE)); assertEquals("test.orc", resultFlowFile.getAttribute(CoreAttributes.FILENAME.key())); byte[] resultContents = runner.getContentAsByteArray(resultFlowFile); FileOutputStream fos = new FileOutputStream("target/test1.orc"); fos.write(resultContents); fos.flush(); fos.close(); Configuration conf = new Configuration(); FileSystem fs = FileSystem.getLocal(conf); Reader reader = OrcFile.createReader(new Path("target/test1.orc"), OrcFile.readerOptions(conf).filesystem(fs)); RecordReader rows = reader.rows(); Object o = rows.next(null); assertNotNull(o); assertTrue(o instanceof OrcStruct); TypeInfo resultSchema = TestNiFiOrcUtils.buildPrimitiveOrcSchema(); StructObjectInspector inspector = (StructObjectInspector) OrcStruct.createObjectInspector(resultSchema); // Check some fields in the first row Object intFieldObject = inspector.getStructFieldData(o, inspector.getStructFieldRef("int")); assertTrue(intFieldObject instanceof IntWritable); assertEquals(10, ((IntWritable) intFieldObject).get()); Object stringFieldObject = inspector.getStructFieldData(o, inspector.getStructFieldRef("string")); assertTrue(stringFieldObject instanceof Text); assertEquals("World", stringFieldObject.toString()); }
Example #11
Source File: TestConvertAvroToORC.java From localization_nifi with Apache License 2.0 | 4 votes |
@Test public void test_onTrigger_complex_record() throws Exception { Map<String, Double> mapData1 = new TreeMap<String, Double>() {{ put("key1", 1.0); put("key2", 2.0); }}; GenericData.Record record = TestNiFiOrcUtils.buildComplexAvroRecord(10, mapData1, "DEF", 3.0f, Arrays.asList(10, 20)); DatumWriter<GenericData.Record> writer = new GenericDatumWriter<>(record.getSchema()); DataFileWriter<GenericData.Record> fileWriter = new DataFileWriter<>(writer); ByteArrayOutputStream out = new ByteArrayOutputStream(); fileWriter.create(record.getSchema(), out); fileWriter.append(record); // Put another record in Map<String, Double> mapData2 = new TreeMap<String, Double>() {{ put("key1", 3.0); put("key2", 4.0); }}; record = TestNiFiOrcUtils.buildComplexAvroRecord(null, mapData2, "XYZ", 4L, Arrays.asList(100, 200)); fileWriter.append(record); fileWriter.flush(); fileWriter.close(); out.close(); Map<String, String> attributes = new HashMap<String, String>() {{ put(CoreAttributes.FILENAME.key(), "test"); }}; runner.enqueue(out.toByteArray(), attributes); runner.run(); runner.assertAllFlowFilesTransferred(ConvertAvroToORC.REL_SUCCESS, 1); // Write the flow file out to disk, since the ORC Reader needs a path MockFlowFile resultFlowFile = runner.getFlowFilesForRelationship(ConvertAvroToORC.REL_SUCCESS).get(0); assertEquals("CREATE EXTERNAL TABLE IF NOT EXISTS complex_record " + "(myInt INT, myMap MAP<STRING, DOUBLE>, myEnum STRING, myLongOrFloat UNIONTYPE<BIGINT, FLOAT>, myIntList ARRAY<INT>)" + " STORED AS ORC", resultFlowFile.getAttribute(ConvertAvroToORC.HIVE_DDL_ATTRIBUTE)); assertEquals("2", resultFlowFile.getAttribute(ConvertAvroToORC.RECORD_COUNT_ATTRIBUTE)); assertEquals("test.orc", resultFlowFile.getAttribute(CoreAttributes.FILENAME.key())); byte[] resultContents = runner.getContentAsByteArray(resultFlowFile); FileOutputStream fos = new FileOutputStream("target/test1.orc"); fos.write(resultContents); fos.flush(); fos.close(); Configuration conf = new Configuration(); FileSystem fs = FileSystem.getLocal(conf); Reader reader = OrcFile.createReader(new Path("target/test1.orc"), OrcFile.readerOptions(conf).filesystem(fs)); RecordReader rows = reader.rows(); Object o = rows.next(null); assertNotNull(o); assertTrue(o instanceof OrcStruct); TypeInfo resultSchema = TestNiFiOrcUtils.buildComplexOrcSchema(); StructObjectInspector inspector = (StructObjectInspector) OrcStruct.createObjectInspector(resultSchema); // Check some fields in the first row Object intFieldObject = inspector.getStructFieldData(o, inspector.getStructFieldRef("myInt")); assertTrue(intFieldObject instanceof IntWritable); assertEquals(10, ((IntWritable) intFieldObject).get()); // This is pretty awkward and messy. The map object is a Map (not a MapWritable) but the keys are writables (in this case Text) // and so are the values (DoubleWritables in this case). Object mapFieldObject = inspector.getStructFieldData(o, inspector.getStructFieldRef("myMap")); assertTrue(mapFieldObject instanceof Map); Map map = (Map) mapFieldObject; Object mapValue = map.get(new Text("key1")); assertNotNull(mapValue); assertTrue(mapValue instanceof DoubleWritable); assertEquals(1.0, ((DoubleWritable) mapValue).get(), Double.MIN_VALUE); mapValue = map.get(new Text("key2")); assertNotNull(mapValue); assertTrue(mapValue instanceof DoubleWritable); assertEquals(2.0, ((DoubleWritable) mapValue).get(), Double.MIN_VALUE); }
Example #12
Source File: TestConvertAvroToORC.java From localization_nifi with Apache License 2.0 | 4 votes |
@Test public void test_onTrigger_array_of_records() throws Exception { final Schema schema = new Schema.Parser().parse(new File("src/test/resources/array_of_records.avsc")); List<GenericRecord> innerRecords = new LinkedList<>(); final GenericRecord outerRecord = new GenericData.Record(schema); Schema arraySchema = schema.getField("records").schema(); Schema innerRecordSchema = arraySchema.getElementType(); final GenericRecord innerRecord1 = new GenericData.Record(innerRecordSchema); innerRecord1.put("name", "Joe"); innerRecord1.put("age", 42); innerRecords.add(innerRecord1); final GenericRecord innerRecord2 = new GenericData.Record(innerRecordSchema); innerRecord2.put("name", "Mary"); innerRecord2.put("age", 28); innerRecords.add(innerRecord2); GenericData.Array<GenericRecord> array = new GenericData.Array<>(arraySchema, innerRecords); outerRecord.put("records", array); final DatumWriter<GenericRecord> datumWriter = new GenericDatumWriter<>(schema); ByteArrayOutputStream out = new ByteArrayOutputStream(); try (DataFileWriter<GenericRecord> dataFileWriter = new DataFileWriter<>(datumWriter)) { dataFileWriter.create(schema, out); dataFileWriter.append(outerRecord); } out.close(); // Build a flow file from the Avro record Map<String, String> attributes = new HashMap<String, String>() {{ put(CoreAttributes.FILENAME.key(), "test"); }}; runner.enqueue(out.toByteArray(), attributes); runner.run(); runner.assertAllFlowFilesTransferred(ConvertAvroToORC.REL_SUCCESS, 1); // Write the flow file out to disk, since the ORC Reader needs a path MockFlowFile resultFlowFile = runner.getFlowFilesForRelationship(ConvertAvroToORC.REL_SUCCESS).get(0); assertEquals("CREATE EXTERNAL TABLE IF NOT EXISTS org_apache_nifi_outer_record " + "(records ARRAY<STRUCT<name:STRING, age:INT>>)" + " STORED AS ORC", resultFlowFile.getAttribute(ConvertAvroToORC.HIVE_DDL_ATTRIBUTE)); assertEquals("1", resultFlowFile.getAttribute(ConvertAvroToORC.RECORD_COUNT_ATTRIBUTE)); assertEquals("test.orc", resultFlowFile.getAttribute(CoreAttributes.FILENAME.key())); byte[] resultContents = runner.getContentAsByteArray(resultFlowFile); FileOutputStream fos = new FileOutputStream("target/test1.orc"); fos.write(resultContents); fos.flush(); fos.close(); Configuration conf = new Configuration(); FileSystem fs = FileSystem.getLocal(conf); Reader reader = OrcFile.createReader(new Path("target/test1.orc"), OrcFile.readerOptions(conf).filesystem(fs)); RecordReader rows = reader.rows(); Object o = rows.next(null); assertNotNull(o); assertTrue(o instanceof OrcStruct); StructObjectInspector inspector = (StructObjectInspector) OrcStruct.createObjectInspector(NiFiOrcUtils.getOrcField(schema)); // Verify the record contains an array Object arrayFieldObject = inspector.getStructFieldData(o, inspector.getStructFieldRef("records")); assertTrue(arrayFieldObject instanceof ArrayList); ArrayList<?> arrayField = (ArrayList<?>) arrayFieldObject; assertEquals(2, arrayField.size()); // Verify the first element. Should be a record with two fields "name" and "age" Object element = arrayField.get(0); assertTrue(element instanceof OrcStruct); StructObjectInspector elementInspector = (StructObjectInspector) OrcStruct.createObjectInspector(NiFiOrcUtils.getOrcField(innerRecordSchema)); Object nameObject = elementInspector.getStructFieldData(element, elementInspector.getStructFieldRef("name")); assertTrue(nameObject instanceof Text); assertEquals("Joe", nameObject.toString()); Object ageObject = elementInspector.getStructFieldData(element, elementInspector.getStructFieldRef("age")); assertTrue(ageObject instanceof IntWritable); assertEquals(42, ((IntWritable) ageObject).get()); // Verify the first element. Should be a record with two fields "name" and "age" element = arrayField.get(1); assertTrue(element instanceof OrcStruct); nameObject = elementInspector.getStructFieldData(element, elementInspector.getStructFieldRef("name")); assertTrue(nameObject instanceof Text); assertEquals("Mary", nameObject.toString()); ageObject = elementInspector.getStructFieldData(element, elementInspector.getStructFieldRef("age")); assertTrue(ageObject instanceof IntWritable); assertEquals(28, ((IntWritable) ageObject).get()); }
Example #13
Source File: TestConvertAvroToORC.java From nifi with Apache License 2.0 | 4 votes |
@Test public void test_onTrigger_primitive_record() throws Exception { GenericData.Record record = TestNiFiOrcUtils.buildPrimitiveAvroRecord(10, 20L, true, 30.0f, 40, StandardCharsets.UTF_8.encode("Hello"), "World"); DatumWriter<GenericData.Record> writer = new GenericDatumWriter<>(record.getSchema()); DataFileWriter<GenericData.Record> fileWriter = new DataFileWriter<>(writer); ByteArrayOutputStream out = new ByteArrayOutputStream(); fileWriter.create(record.getSchema(), out); fileWriter.append(record); // Put another record in record = TestNiFiOrcUtils.buildPrimitiveAvroRecord(1, 2L, false, 3.0f, 4L, StandardCharsets.UTF_8.encode("I am"), "another record"); fileWriter.append(record); // And one more record = TestNiFiOrcUtils.buildPrimitiveAvroRecord(100, 200L, true, 300.0f, 400L, StandardCharsets.UTF_8.encode("Me"), "too!"); fileWriter.append(record); fileWriter.flush(); fileWriter.close(); out.close(); Map<String, String> attributes = new HashMap<String, String>() {{ put(CoreAttributes.FILENAME.key(), "test.avro"); }}; runner.enqueue(out.toByteArray(), attributes); runner.run(); runner.assertAllFlowFilesTransferred(ConvertAvroToORC.REL_SUCCESS, 1); // Write the flow file out to disk, since the ORC Reader needs a path MockFlowFile resultFlowFile = runner.getFlowFilesForRelationship(ConvertAvroToORC.REL_SUCCESS).get(0); assertEquals("CREATE EXTERNAL TABLE IF NOT EXISTS test_record (int INT, long BIGINT, boolean BOOLEAN, float FLOAT, double DOUBLE, bytes BINARY, string STRING)" + " STORED AS ORC", resultFlowFile.getAttribute(ConvertAvroToORC.HIVE_DDL_ATTRIBUTE)); assertEquals("3", resultFlowFile.getAttribute(ConvertAvroToORC.RECORD_COUNT_ATTRIBUTE)); assertEquals("test.orc", resultFlowFile.getAttribute(CoreAttributes.FILENAME.key())); byte[] resultContents = runner.getContentAsByteArray(resultFlowFile); FileOutputStream fos = new FileOutputStream("target/test1.orc"); fos.write(resultContents); fos.flush(); fos.close(); Configuration conf = new Configuration(); FileSystem fs = FileSystem.getLocal(conf); Reader reader = OrcFile.createReader(new Path("target/test1.orc"), OrcFile.readerOptions(conf).filesystem(fs)); RecordReader rows = reader.rows(); Object o = rows.next(null); assertNotNull(o); assertTrue(o instanceof OrcStruct); TypeInfo resultSchema = TestNiFiOrcUtils.buildPrimitiveOrcSchema(); StructObjectInspector inspector = (StructObjectInspector) OrcStruct.createObjectInspector(resultSchema); // Check some fields in the first row Object intFieldObject = inspector.getStructFieldData(o, inspector.getStructFieldRef("int")); assertTrue(intFieldObject instanceof IntWritable); assertEquals(10, ((IntWritable) intFieldObject).get()); Object stringFieldObject = inspector.getStructFieldData(o, inspector.getStructFieldRef("string")); assertTrue(stringFieldObject instanceof Text); assertEquals("World", stringFieldObject.toString()); }
Example #14
Source File: TestConvertAvroToORC.java From nifi with Apache License 2.0 | 4 votes |
@Test public void test_onTrigger_complex_record() throws Exception { Map<String, Double> mapData1 = new TreeMap<String, Double>() {{ put("key1", 1.0); put("key2", 2.0); }}; GenericData.Record record = TestNiFiOrcUtils.buildComplexAvroRecord(10, mapData1, "DEF", 3.0f, Arrays.asList(10, 20)); DatumWriter<GenericData.Record> writer = new GenericDatumWriter<>(record.getSchema()); DataFileWriter<GenericData.Record> fileWriter = new DataFileWriter<>(writer); ByteArrayOutputStream out = new ByteArrayOutputStream(); fileWriter.create(record.getSchema(), out); fileWriter.append(record); // Put another record in Map<String, Double> mapData2 = new TreeMap<String, Double>() {{ put("key1", 3.0); put("key2", 4.0); }}; record = TestNiFiOrcUtils.buildComplexAvroRecord(null, mapData2, "XYZ", 4L, Arrays.asList(100, 200)); fileWriter.append(record); fileWriter.flush(); fileWriter.close(); out.close(); Map<String, String> attributes = new HashMap<String, String>() {{ put(CoreAttributes.FILENAME.key(), "test"); }}; runner.enqueue(out.toByteArray(), attributes); runner.run(); runner.assertAllFlowFilesTransferred(ConvertAvroToORC.REL_SUCCESS, 1); // Write the flow file out to disk, since the ORC Reader needs a path MockFlowFile resultFlowFile = runner.getFlowFilesForRelationship(ConvertAvroToORC.REL_SUCCESS).get(0); assertEquals("CREATE EXTERNAL TABLE IF NOT EXISTS complex_record " + "(myInt INT, myMap MAP<STRING, DOUBLE>, myEnum STRING, myLongOrFloat UNIONTYPE<BIGINT, FLOAT>, myIntList ARRAY<INT>)" + " STORED AS ORC", resultFlowFile.getAttribute(ConvertAvroToORC.HIVE_DDL_ATTRIBUTE)); assertEquals("2", resultFlowFile.getAttribute(ConvertAvroToORC.RECORD_COUNT_ATTRIBUTE)); assertEquals("test.orc", resultFlowFile.getAttribute(CoreAttributes.FILENAME.key())); byte[] resultContents = runner.getContentAsByteArray(resultFlowFile); FileOutputStream fos = new FileOutputStream("target/test1.orc"); fos.write(resultContents); fos.flush(); fos.close(); Configuration conf = new Configuration(); FileSystem fs = FileSystem.getLocal(conf); Reader reader = OrcFile.createReader(new Path("target/test1.orc"), OrcFile.readerOptions(conf).filesystem(fs)); RecordReader rows = reader.rows(); Object o = rows.next(null); assertNotNull(o); assertTrue(o instanceof OrcStruct); TypeInfo resultSchema = TestNiFiOrcUtils.buildComplexOrcSchema(); StructObjectInspector inspector = (StructObjectInspector) OrcStruct.createObjectInspector(resultSchema); // Check some fields in the first row Object intFieldObject = inspector.getStructFieldData(o, inspector.getStructFieldRef("myInt")); assertTrue(intFieldObject instanceof IntWritable); assertEquals(10, ((IntWritable) intFieldObject).get()); Object mapFieldObject = inspector.getStructFieldData(o, inspector.getStructFieldRef("myMap")); assertTrue(mapFieldObject instanceof Map); Map map = (Map) mapFieldObject; Object mapValue = map.get(new Text("key1")); assertNotNull(mapValue); assertTrue(mapValue instanceof DoubleWritable); assertEquals(1.0, ((DoubleWritable) mapValue).get(), Double.MIN_VALUE); mapValue = map.get(new Text("key2")); assertNotNull(mapValue); assertTrue(mapValue instanceof DoubleWritable); assertEquals(2.0, ((DoubleWritable) mapValue).get(), Double.MIN_VALUE); }
Example #15
Source File: TestConvertAvroToORC.java From nifi with Apache License 2.0 | 4 votes |
@Test public void test_onTrigger_array_of_records() throws Exception { final Schema schema = new Schema.Parser().parse(new File("src/test/resources/array_of_records.avsc")); List<GenericRecord> innerRecords = new LinkedList<>(); final GenericRecord outerRecord = new GenericData.Record(schema); Schema arraySchema = schema.getField("records").schema(); Schema innerRecordSchema = arraySchema.getElementType(); final GenericRecord innerRecord1 = new GenericData.Record(innerRecordSchema); innerRecord1.put("name", "Joe"); innerRecord1.put("age", 42); innerRecords.add(innerRecord1); final GenericRecord innerRecord2 = new GenericData.Record(innerRecordSchema); innerRecord2.put("name", "Mary"); innerRecord2.put("age", 28); innerRecords.add(innerRecord2); GenericData.Array<GenericRecord> array = new GenericData.Array<>(arraySchema, innerRecords); outerRecord.put("records", array); final DatumWriter<GenericRecord> datumWriter = new GenericDatumWriter<>(schema); ByteArrayOutputStream out = new ByteArrayOutputStream(); try (DataFileWriter<GenericRecord> dataFileWriter = new DataFileWriter<>(datumWriter)) { dataFileWriter.create(schema, out); dataFileWriter.append(outerRecord); } out.close(); // Build a flow file from the Avro record Map<String, String> attributes = new HashMap<String, String>() {{ put(CoreAttributes.FILENAME.key(), "test"); }}; runner.enqueue(out.toByteArray(), attributes); runner.run(); runner.assertAllFlowFilesTransferred(ConvertAvroToORC.REL_SUCCESS, 1); // Write the flow file out to disk, since the ORC Reader needs a path MockFlowFile resultFlowFile = runner.getFlowFilesForRelationship(ConvertAvroToORC.REL_SUCCESS).get(0); assertEquals("CREATE EXTERNAL TABLE IF NOT EXISTS org_apache_nifi_outer_record " + "(records ARRAY<STRUCT<name:STRING, age:INT>>)" + " STORED AS ORC", resultFlowFile.getAttribute(ConvertAvroToORC.HIVE_DDL_ATTRIBUTE)); assertEquals("1", resultFlowFile.getAttribute(ConvertAvroToORC.RECORD_COUNT_ATTRIBUTE)); assertEquals("test.orc", resultFlowFile.getAttribute(CoreAttributes.FILENAME.key())); byte[] resultContents = runner.getContentAsByteArray(resultFlowFile); FileOutputStream fos = new FileOutputStream("target/test1.orc"); fos.write(resultContents); fos.flush(); fos.close(); Configuration conf = new Configuration(); FileSystem fs = FileSystem.getLocal(conf); Reader reader = OrcFile.createReader(new Path("target/test1.orc"), OrcFile.readerOptions(conf).filesystem(fs)); RecordReader rows = reader.rows(); Object o = rows.next(null); assertNotNull(o); assertTrue(o instanceof OrcStruct); StructObjectInspector inspector = (StructObjectInspector) OrcStruct.createObjectInspector(NiFiOrcUtils.getOrcField(schema)); // Verify the record contains an array Object arrayFieldObject = inspector.getStructFieldData(o, inspector.getStructFieldRef("records")); assertTrue(arrayFieldObject instanceof ArrayList); ArrayList<?> arrayField = (ArrayList<?>) arrayFieldObject; assertEquals(2, arrayField.size()); // Verify the first element. Should be a record with two fields "name" and "age" Object element = arrayField.get(0); assertTrue(element instanceof OrcStruct); StructObjectInspector elementInspector = (StructObjectInspector) OrcStruct.createObjectInspector(NiFiOrcUtils.getOrcField(innerRecordSchema)); Object nameObject = elementInspector.getStructFieldData(element, elementInspector.getStructFieldRef("name")); assertTrue(nameObject instanceof Text); assertEquals("Joe", nameObject.toString()); Object ageObject = elementInspector.getStructFieldData(element, elementInspector.getStructFieldRef("age")); assertTrue(ageObject instanceof IntWritable); assertEquals(42, ((IntWritable) ageObject).get()); // Verify the first element. Should be a record with two fields "name" and "age" element = arrayField.get(1); assertTrue(element instanceof OrcStruct); nameObject = elementInspector.getStructFieldData(element, elementInspector.getStructFieldRef("name")); assertTrue(nameObject instanceof Text); assertEquals("Mary", nameObject.toString()); ageObject = elementInspector.getStructFieldData(element, elementInspector.getStructFieldRef("age")); assertTrue(ageObject instanceof IntWritable); assertEquals(28, ((IntWritable) ageObject).get()); }
Example #16
Source File: TestConvertAvroToORC.java From nifi with Apache License 2.0 | 4 votes |
@Test public void test_onTrigger_nested_complex_record() throws Exception { Map<String, List<Double>> mapData1 = new TreeMap<String, List<Double>>() {{ put("key1", Arrays.asList(1.0, 2.0)); put("key2", Arrays.asList(3.0, 4.0)); }}; Map<String, String> arrayMap11 = new TreeMap<String, String>() {{ put("key1", "v1"); put("key2", "v2"); }}; Map<String, String> arrayMap12 = new TreeMap<String, String>() {{ put("key3", "v3"); put("key4", "v4"); }}; GenericData.Record record = TestNiFiOrcUtils.buildNestedComplexAvroRecord(mapData1, Arrays.asList(arrayMap11, arrayMap12)); DatumWriter<GenericData.Record> writer = new GenericDatumWriter<>(record.getSchema()); DataFileWriter<GenericData.Record> fileWriter = new DataFileWriter<>(writer); ByteArrayOutputStream out = new ByteArrayOutputStream(); fileWriter.create(record.getSchema(), out); fileWriter.append(record); // Put another record in Map<String, List<Double>> mapData2 = new TreeMap<String, List<Double>>() {{ put("key1", Arrays.asList(-1.0, -2.0)); put("key2", Arrays.asList(-3.0, -4.0)); }}; Map<String, String> arrayMap21 = new TreeMap<String, String>() {{ put("key1", "v-1"); put("key2", "v-2"); }}; Map<String, String> arrayMap22 = new TreeMap<String, String>() {{ put("key3", "v-3"); put("key4", "v-4"); }}; record = TestNiFiOrcUtils.buildNestedComplexAvroRecord(mapData2, Arrays.asList(arrayMap21, arrayMap22)); fileWriter.append(record); fileWriter.flush(); fileWriter.close(); out.close(); Map<String, String> attributes = new HashMap<String, String>() {{ put(CoreAttributes.FILENAME.key(), "test"); }}; runner.enqueue(out.toByteArray(), attributes); runner.run(); runner.assertAllFlowFilesTransferred(ConvertAvroToORC.REL_SUCCESS, 1); // Write the flow file out to disk, since the ORC Reader needs a path MockFlowFile resultFlowFile = runner.getFlowFilesForRelationship(ConvertAvroToORC.REL_SUCCESS).get(0); assertEquals("CREATE EXTERNAL TABLE IF NOT EXISTS nested_complex_record " + "(myMapOfArray MAP<STRING, ARRAY<DOUBLE>>, myArrayOfMap ARRAY<MAP<STRING, STRING>>)" + " STORED AS ORC", resultFlowFile.getAttribute(ConvertAvroToORC.HIVE_DDL_ATTRIBUTE)); assertEquals("2", resultFlowFile.getAttribute(ConvertAvroToORC.RECORD_COUNT_ATTRIBUTE)); assertEquals("test.orc", resultFlowFile.getAttribute(CoreAttributes.FILENAME.key())); byte[] resultContents = runner.getContentAsByteArray(resultFlowFile); FileOutputStream fos = new FileOutputStream("target/test1.orc"); fos.write(resultContents); fos.flush(); fos.close(); Configuration conf = new Configuration(); FileSystem fs = FileSystem.getLocal(conf); Reader reader = OrcFile.createReader(new Path("target/test1.orc"), OrcFile.readerOptions(conf).filesystem(fs)); RecordReader rows = reader.rows(); Object o = rows.next(null); assertNotNull(o); assertTrue(o instanceof OrcStruct); TypeInfo resultSchema = TestNiFiOrcUtils.buildNestedComplexOrcSchema(); StructObjectInspector inspector = (StructObjectInspector) OrcStruct.createObjectInspector(resultSchema); // check values Object myMapOfArray = inspector.getStructFieldData(o, inspector.getStructFieldRef("myMapOfArray")); assertTrue(myMapOfArray instanceof Map); Map map = (Map) myMapOfArray; Object mapValue = map.get(new Text("key1")); assertNotNull(mapValue); assertTrue(mapValue instanceof List); assertEquals(Arrays.asList(new DoubleWritable(1.0), new DoubleWritable(2.0)), mapValue); Object myArrayOfMap = inspector.getStructFieldData(o, inspector.getStructFieldRef("myArrayOfMap")); assertTrue(myArrayOfMap instanceof List); List list = (List) myArrayOfMap; Object el0 = list.get(0); assertNotNull(el0); assertTrue(el0 instanceof Map); assertEquals(new Text("v1"), ((Map) el0).get(new Text("key1"))); }