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Example 6 with SchemaTestUtil.getSimpleSchema

use of org.apache.hudi.common.testutils.SchemaTestUtil.getSimpleSchema in project hudi by apache.

the class TestHoodieLogFormat method testBasicAppendAndTraverseInReverse.

@ParameterizedTest
@ValueSource(booleans = { true, false })
public void testBasicAppendAndTraverseInReverse(boolean readBlocksLazily) throws IOException, URISyntaxException, InterruptedException {
    Writer writer = HoodieLogFormat.newWriterBuilder().onParentPath(partitionPath).withFileExtension(HoodieLogFile.DELTA_EXTENSION).withFileId("test-fileid1").overBaseCommit("100").withFs(fs).build();
    Schema schema = getSimpleSchema();
    List<IndexedRecord> records1 = SchemaTestUtil.generateTestRecords(0, 100);
    List<IndexedRecord> copyOfRecords1 = records1.stream().map(record -> HoodieAvroUtils.rewriteRecord((GenericRecord) record, schema)).collect(Collectors.toList());
    Map<HoodieLogBlock.HeaderMetadataType, String> header = new HashMap<>();
    header.put(HoodieLogBlock.HeaderMetadataType.INSTANT_TIME, "100");
    header.put(HoodieLogBlock.HeaderMetadataType.SCHEMA, schema.toString());
    HoodieDataBlock dataBlock = getDataBlock(DEFAULT_DATA_BLOCK_TYPE, records1, header);
    writer.appendBlock(dataBlock);
    writer.close();
    writer = HoodieLogFormat.newWriterBuilder().onParentPath(partitionPath).withFileExtension(HoodieLogFile.DELTA_EXTENSION).withFileId("test-fileid1").overBaseCommit("100").withFs(fs).build();
    List<IndexedRecord> records2 = SchemaTestUtil.generateTestRecords(0, 100);
    dataBlock = getDataBlock(DEFAULT_DATA_BLOCK_TYPE, records2, header);
    writer.appendBlock(dataBlock);
    writer.close();
    // Close and Open again and append 100 more records
    writer = HoodieLogFormat.newWriterBuilder().onParentPath(partitionPath).withFileExtension(HoodieLogFile.DELTA_EXTENSION).withFileId("test-fileid1").overBaseCommit("100").withFs(fs).build();
    List<IndexedRecord> records3 = SchemaTestUtil.generateTestRecords(0, 100);
    dataBlock = getDataBlock(DEFAULT_DATA_BLOCK_TYPE, records3, header);
    writer.appendBlock(dataBlock);
    writer.close();
    FileCreateUtils.createDeltaCommit(basePath, "100", fs);
    HoodieLogFileReader reader = new HoodieLogFileReader(fs, new HoodieLogFile(writer.getLogFile().getPath(), fs.getFileStatus(writer.getLogFile().getPath()).getLen()), SchemaTestUtil.getSimpleSchema(), bufferSize, readBlocksLazily, true);
    assertTrue(reader.hasPrev(), "Third block should be available");
    reader.moveToPrev();
    assertTrue(reader.hasPrev(), "Second block should be available");
    reader.moveToPrev();
    // After moving twice, this last reader.prev() should read the First block written
    assertTrue(reader.hasPrev(), "First block should be available");
    HoodieLogBlock prevBlock = reader.prev();
    HoodieDataBlock dataBlockRead = (HoodieDataBlock) prevBlock;
    List<IndexedRecord> recordsRead = getRecords(dataBlockRead);
    assertEquals(copyOfRecords1.size(), recordsRead.size(), "Read records size should be equal to the written records size");
    assertEquals(copyOfRecords1, recordsRead, "Both records lists should be the same. (ordering guaranteed)");
    assertFalse(reader.hasPrev());
    reader.close();
}
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Example 7 with SchemaTestUtil.getSimpleSchema

use of org.apache.hudi.common.testutils.SchemaTestUtil.getSimpleSchema in project hudi by apache.

the class TestHoodieLogFormat method testBasicWriteAndScan.

@Test
public void testBasicWriteAndScan() throws IOException, URISyntaxException, InterruptedException {
    Writer writer = HoodieLogFormat.newWriterBuilder().onParentPath(partitionPath).withFileExtension(HoodieLogFile.DELTA_EXTENSION).withFileId("test-fileid1").overBaseCommit("100").withFs(fs).build();
    Schema schema = getSimpleSchema();
    List<IndexedRecord> records = SchemaTestUtil.generateTestRecords(0, 100);
    List<IndexedRecord> copyOfRecords = records.stream().map(record -> HoodieAvroUtils.rewriteRecord((GenericRecord) record, schema)).collect(Collectors.toList());
    Map<HoodieLogBlock.HeaderMetadataType, String> header = new HashMap<>();
    header.put(HoodieLogBlock.HeaderMetadataType.INSTANT_TIME, "100");
    header.put(HoodieLogBlock.HeaderMetadataType.SCHEMA, getSimpleSchema().toString());
    HoodieDataBlock dataBlock = getDataBlock(DEFAULT_DATA_BLOCK_TYPE, records, header);
    writer.appendBlock(dataBlock);
    writer.close();
    Reader reader = HoodieLogFormat.newReader(fs, writer.getLogFile(), SchemaTestUtil.getSimpleSchema());
    assertTrue(reader.hasNext(), "We wrote a block, we should be able to read it");
    HoodieLogBlock nextBlock = reader.next();
    assertEquals(DEFAULT_DATA_BLOCK_TYPE, nextBlock.getBlockType(), "The next block should be a data block");
    HoodieDataBlock dataBlockRead = (HoodieDataBlock) nextBlock;
    List<IndexedRecord> recordsRead = getRecords(dataBlockRead);
    assertEquals(copyOfRecords.size(), recordsRead.size(), "Read records size should be equal to the written records size");
    assertEquals(copyOfRecords, recordsRead, "Both records lists should be the same. (ordering guaranteed)");
    reader.close();
}
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Aggregations

Schema (org.apache.avro.Schema)7 HoodieRecord (org.apache.hudi.common.model.HoodieRecord)7 GenericRecord (org.apache.avro.generic.GenericRecord)6 IndexedRecord (org.apache.avro.generic.IndexedRecord)6 HoodieKey (org.apache.hudi.common.model.HoodieKey)6 IOException (java.io.IOException)5 UncheckedIOException (java.io.UncheckedIOException)5 URISyntaxException (java.net.URISyntaxException)5 ArrayList (java.util.ArrayList)5 Collection (java.util.Collection)5 Collections (java.util.Collections)5 HashMap (java.util.HashMap)5 HashSet (java.util.HashSet)5 List (java.util.List)5 Map (java.util.Map)5 Set (java.util.Set)5 Collectors (java.util.stream.Collectors)5 Stream (java.util.stream.Stream)5 Configuration (org.apache.hadoop.conf.Configuration)5 FSDataOutputStream (org.apache.hadoop.fs.FSDataOutputStream)5