Examples with ConnectorPageSource io.trino.spi.connector.ConnectorPageSource used on opensource projects

Example 11 with ConnectorPageSource

use of io.trino.spi.connector.ConnectorPageSource in project trino by trinodb.

the class AbstractTestHive method testGetRecords.

@Test
public void testGetRecords() throws Exception {
    try (Transaction transaction = newTransaction()) {
        ConnectorMetadata metadata = transaction.getMetadata();
        ConnectorSession session = newSession();
        metadata.beginQuery(session);
        ConnectorTableHandle tableHandle = getTableHandle(metadata, tablePartitionFormat);
        ConnectorTableMetadata tableMetadata = metadata.getTableMetadata(session, tableHandle);
        List<ColumnHandle> columnHandles = ImmutableList.copyOf(metadata.getColumnHandles(session, tableHandle).values());
        Map<String, Integer> columnIndex = indexColumns(columnHandles);
        List<ConnectorSplit> splits = getAllSplits(tableHandle, transaction, session);
        assertEquals(splits.size(), tablePartitionFormatPartitions.size());
        for (ConnectorSplit split : splits) {
            HiveSplit hiveSplit = (HiveSplit) split;
            List<HivePartitionKey> partitionKeys = hiveSplit.getPartitionKeys();
            String ds = partitionKeys.get(0).getValue();
            String fileFormat = partitionKeys.get(1).getValue();
            HiveStorageFormat fileType = HiveStorageFormat.valueOf(fileFormat.toUpperCase(ENGLISH));
            int dummyPartition = Integer.parseInt(partitionKeys.get(2).getValue());
            long rowNumber = 0;
            long completedBytes = 0;
            try (ConnectorPageSource pageSource = pageSourceProvider.createPageSource(transaction.getTransactionHandle(), session, hiveSplit, tableHandle, columnHandles, DynamicFilter.EMPTY)) {
                MaterializedResult result = materializeSourceDataStream(session, pageSource, getTypes(columnHandles));
                assertPageSourceType(pageSource, fileType);
                for (MaterializedRow row : result) {
                    try {
                        assertValueTypes(row, tableMetadata.getColumns());
                    } catch (RuntimeException e) {
                        throw new RuntimeException("row " + rowNumber, e);
                    }
                    rowNumber++;
                    Object value;
                    value = row.getField(columnIndex.get("t_string"));
                    if (rowNumber % 19 == 0) {
                        assertNull(value);
                    } else if (rowNumber % 19 == 1) {
                        assertEquals(value, "");
                    } else {
                        assertEquals(value, "test");
                    }
                    assertEquals(row.getField(columnIndex.get("t_tinyint")), (byte) (1 + rowNumber));
                    assertEquals(row.getField(columnIndex.get("t_smallint")), (short) (2 + rowNumber));
                    assertEquals(row.getField(columnIndex.get("t_int")), 3 + (int) rowNumber);
                    if (rowNumber % 13 == 0) {
                        assertNull(row.getField(columnIndex.get("t_bigint")));
                    } else {
                        assertEquals(row.getField(columnIndex.get("t_bigint")), 4 + rowNumber);
                    }
                    assertEquals((Float) row.getField(columnIndex.get("t_float")), 5.1f + rowNumber, 0.001);
                    assertEquals(row.getField(columnIndex.get("t_double")), 6.2 + rowNumber);
                    if (rowNumber % 3 == 2) {
                        assertNull(row.getField(columnIndex.get("t_boolean")));
                    } else {
                        assertEquals(row.getField(columnIndex.get("t_boolean")), rowNumber % 3 != 0);
                    }
                    assertEquals(row.getField(columnIndex.get("ds")), ds);
                    assertEquals(row.getField(columnIndex.get("file_format")), fileFormat);
                    assertEquals(row.getField(columnIndex.get("dummy")), dummyPartition);
                    long newCompletedBytes = pageSource.getCompletedBytes();
                    assertTrue(newCompletedBytes >= completedBytes);
                    assertTrue(newCompletedBytes <= hiveSplit.getLength());
                    completedBytes = newCompletedBytes;
                }
                assertTrue(completedBytes <= hiveSplit.getLength());
                assertEquals(rowNumber, 100);
            }
        }
    }
}

Example 12 with ConnectorPageSource

use of io.trino.spi.connector.ConnectorPageSource in project trino by trinodb.

the class TestHiveFileFormats method createPageSourceFromCursorProvider.

private ConnectorPageSource createPageSourceFromCursorProvider(HiveRecordCursorProvider cursorProvider, FileSplit split, Properties splitProperties, long fileSize, List<TestColumn> testReadColumns, ConnectorSession session) {
    // Use full columns in split properties
    ImmutableList.Builder<String> splitPropertiesColumnNames = ImmutableList.builder();
    ImmutableList.Builder<String> splitPropertiesColumnTypes = ImmutableList.builder();
    Set<String> baseColumnNames = new HashSet<>();
    for (TestColumn testReadColumn : testReadColumns) {
        String name = testReadColumn.getBaseName();
        if (!baseColumnNames.contains(name) && !testReadColumn.isPartitionKey()) {
            baseColumnNames.add(name);
            splitPropertiesColumnNames.add(name);
            splitPropertiesColumnTypes.add(testReadColumn.getBaseObjectInspector().getTypeName());
        }
    }
    splitProperties.setProperty("columns", splitPropertiesColumnNames.build().stream().collect(Collectors.joining(",")));
    splitProperties.setProperty("columns.types", splitPropertiesColumnTypes.build().stream().collect(Collectors.joining(",")));
    List<HivePartitionKey> partitionKeys = testReadColumns.stream().filter(TestColumn::isPartitionKey).map(input -> new HivePartitionKey(input.getName(), (String) input.getWriteValue())).collect(toList());
    String partitionName = String.join("/", partitionKeys.stream().map(partitionKey -> format("%s=%s", partitionKey.getName(), partitionKey.getValue())).collect(toImmutableList()));
    Configuration configuration = new Configuration(false);
    configuration.set("io.compression.codecs", LzoCodec.class.getName() + "," + LzopCodec.class.getName());
    List<HiveColumnHandle> columnHandles = getColumnHandles(testReadColumns);
    List<HivePageSourceProvider.ColumnMapping> columnMappings = buildColumnMappings(partitionName, partitionKeys, columnHandles, ImmutableList.of(), TableToPartitionMapping.empty(), split.getPath(), OptionalInt.empty(), fileSize, Instant.now().toEpochMilli());
    Optional<ConnectorPageSource> pageSource = HivePageSourceProvider.createHivePageSource(ImmutableSet.of(), ImmutableSet.of(cursorProvider), configuration, session, split.getPath(), OptionalInt.empty(), split.getStart(), split.getLength(), fileSize, splitProperties, TupleDomain.all(), columnHandles, TESTING_TYPE_MANAGER, Optional.empty(), Optional.empty(), false, Optional.empty(), false, NO_ACID_TRANSACTION, columnMappings);
    return pageSource.get();
}

Example 13 with ConnectorPageSource

use of io.trino.spi.connector.ConnectorPageSource in project trino by trinodb.

the class TestHiveFileFormats method testCursorProvider.

private void testCursorProvider(HiveRecordCursorProvider cursorProvider, FileSplit split, Properties splitProperties, List<TestColumn> testReadColumns, ConnectorSession session, long fileSize, int rowCount) {
    ConnectorPageSource pageSource = createPageSourceFromCursorProvider(cursorProvider, split, splitProperties, fileSize, testReadColumns, session);
    RecordCursor cursor = ((RecordPageSource) pageSource).getCursor();
    checkCursor(cursor, testReadColumns, rowCount);
}

Example 14 with ConnectorPageSource

use of io.trino.spi.connector.ConnectorPageSource in project trino by trinodb.

the class TestHiveFileFormats method testPageSourceFactory.

private void testPageSourceFactory(HivePageSourceFactory sourceFactory, FileSplit split, HiveStorageFormat storageFormat, List<TestColumn> testReadColumns, ConnectorSession session, long fileSize, int rowCount) throws IOException {
    Properties splitProperties = new Properties();
    splitProperties.setProperty(FILE_INPUT_FORMAT, storageFormat.getInputFormat());
    splitProperties.setProperty(SERIALIZATION_LIB, storageFormat.getSerde());
    // Use full columns in split properties
    ImmutableList.Builder<String> splitPropertiesColumnNames = ImmutableList.builder();
    ImmutableList.Builder<String> splitPropertiesColumnTypes = ImmutableList.builder();
    Set<String> baseColumnNames = new HashSet<>();
    for (TestColumn testReadColumn : testReadColumns) {
        String name = testReadColumn.getBaseName();
        if (!baseColumnNames.contains(name) && !testReadColumn.isPartitionKey()) {
            baseColumnNames.add(name);
            splitPropertiesColumnNames.add(name);
            splitPropertiesColumnTypes.add(testReadColumn.getBaseObjectInspector().getTypeName());
        }
    }
    splitProperties.setProperty("columns", splitPropertiesColumnNames.build().stream().collect(Collectors.joining(",")));
    splitProperties.setProperty("columns.types", splitPropertiesColumnTypes.build().stream().collect(Collectors.joining(",")));
    List<HivePartitionKey> partitionKeys = testReadColumns.stream().filter(TestColumn::isPartitionKey).map(input -> new HivePartitionKey(input.getName(), (String) input.getWriteValue())).collect(toList());
    String partitionName = String.join("/", partitionKeys.stream().map(partitionKey -> format("%s=%s", partitionKey.getName(), partitionKey.getValue())).collect(toImmutableList()));
    List<HiveColumnHandle> columnHandles = getColumnHandles(testReadColumns);
    List<HivePageSourceProvider.ColumnMapping> columnMappings = buildColumnMappings(partitionName, partitionKeys, columnHandles, ImmutableList.of(), TableToPartitionMapping.empty(), split.getPath(), OptionalInt.empty(), fileSize, Instant.now().toEpochMilli());
    Optional<ConnectorPageSource> pageSource = HivePageSourceProvider.createHivePageSource(ImmutableSet.of(sourceFactory), ImmutableSet.of(), new Configuration(false), session, split.getPath(), OptionalInt.empty(), split.getStart(), split.getLength(), fileSize, splitProperties, TupleDomain.all(), columnHandles, TESTING_TYPE_MANAGER, Optional.empty(), Optional.empty(), false, Optional.empty(), false, NO_ACID_TRANSACTION, columnMappings);
    assertTrue(pageSource.isPresent());
    checkPageSource(pageSource.get(), testReadColumns, getTypes(columnHandles), rowCount);
}

Example 15 with ConnectorPageSource

use of io.trino.spi.connector.ConnectorPageSource in project trino by trinodb.

the class TestHiveFileFormats method testRecordPageSource.

private void testRecordPageSource(HiveRecordCursorProvider cursorProvider, FileSplit split, HiveStorageFormat storageFormat, List<TestColumn> testReadColumns, ConnectorSession session, long fileSize, int rowCount) throws Exception {
    Properties splitProperties = new Properties();
    splitProperties.setProperty(FILE_INPUT_FORMAT, storageFormat.getInputFormat());
    splitProperties.setProperty(SERIALIZATION_LIB, storageFormat.getSerde());
    ConnectorPageSource pageSource = createPageSourceFromCursorProvider(cursorProvider, split, splitProperties, fileSize, testReadColumns, session);
    checkPageSource(pageSource, testReadColumns, getTypes(getColumnHandles(testReadColumns)), rowCount);
}