Examples with SESSION io.trino.testing.TestingConnectorSession.SESSION used on opensource projects

Example 1 with SESSION

use of io.trino.testing.TestingConnectorSession.SESSION in project trino by trinodb.

the class TestTransactionLogAccess method testSnapshotsAreConsistent.

@Test
public void testSnapshotsAreConsistent() throws Exception {
    String tableName = "person";
    File tempDir = Files.createTempDir();
    File tableDir = new File(tempDir, tableName);
    File transactionLogDir = new File(tableDir, TRANSACTION_LOG_DIRECTORY);
    transactionLogDir.mkdirs();
    File resourceDir = new File(getClass().getClassLoader().getResource("databricks/person/_delta_log").toURI());
    copyTransactionLogEntry(0, 12, resourceDir, transactionLogDir);
    Files.copy(new File(resourceDir, LAST_CHECKPOINT_FILENAME), new File(transactionLogDir, LAST_CHECKPOINT_FILENAME));
    setupTransactionLogAccess(tableName, new Path(tableDir.toURI()));
    List<AddFileEntry> expectedDataFiles = transactionLogAccess.getActiveFiles(tableSnapshot, SESSION);
    copyTransactionLogEntry(12, 14, resourceDir, transactionLogDir);
    Set<String> newDataFiles = ImmutableSet.of("age=28/part-00000-40dd1707-1d42-4328-a59a-21f5c945fe60.c000.snappy.parquet", "age=29/part-00000-3794c463-cb0c-4beb-8d07-7cc1e3b5920f.c000.snappy.parquet");
    TableSnapshot updatedTableSnapshot = transactionLogAccess.loadSnapshot(new SchemaTableName("schema", tableName), new Path(tableDir.toURI()), SESSION);
    List<AddFileEntry> allDataFiles = transactionLogAccess.getActiveFiles(updatedTableSnapshot, SESSION);
    List<AddFileEntry> dataFilesWithFixedVersion = transactionLogAccess.getActiveFiles(tableSnapshot, SESSION);
    for (String newFilePath : newDataFiles) {
        assertTrue(allDataFiles.stream().anyMatch(entry -> entry.getPath().equals(newFilePath)));
        assertTrue(dataFilesWithFixedVersion.stream().noneMatch(entry -> entry.getPath().equals(newFilePath)));
    }
    assertEquals(expectedDataFiles.size(), dataFilesWithFixedVersion.size());
    List<ColumnMetadata> columns = extractSchema(transactionLogAccess.getMetadataEntry(tableSnapshot, SESSION).get(), TESTING_TYPE_MANAGER);
    for (int i = 0; i < expectedDataFiles.size(); i++) {
        AddFileEntry expected = expectedDataFiles.get(i);
        AddFileEntry actual = dataFilesWithFixedVersion.get(i);
        assertEquals(expected.getPath(), actual.getPath());
        assertEquals(expected.getPartitionValues(), actual.getPartitionValues());
        assertEquals(expected.getSize(), actual.getSize());
        assertEquals(expected.getModificationTime(), actual.getModificationTime());
        assertEquals(expected.isDataChange(), actual.isDataChange());
        assertEquals(expected.getTags(), actual.getTags());
        assertTrue(expected.getStats().isPresent());
        assertTrue(actual.getStats().isPresent());
        for (ColumnMetadata column : columns) {
            DeltaLakeColumnHandle columnHandle = new DeltaLakeColumnHandle(column.getName(), column.getType(), REGULAR);
            assertEquals(expected.getStats().get().getMinColumnValue(columnHandle), actual.getStats().get().getMinColumnValue(columnHandle));
            assertEquals(expected.getStats().get().getMaxColumnValue(columnHandle), actual.getStats().get().getMaxColumnValue(columnHandle));
            assertEquals(expected.getStats().get().getNullCount(columnHandle.getName()), actual.getStats().get().getNullCount(columnHandle.getName()));
            assertEquals(expected.getStats().get().getNumRecords(), actual.getStats().get().getNumRecords());
        }
    }
}

Example 2 with SESSION

use of io.trino.testing.TestingConnectorSession.SESSION in project trino by trinodb.

the class TestDefaultJdbcMetadata method testAggregationPushdownForTableHandle.

@Test
public void testAggregationPushdownForTableHandle() {
    ConnectorSession session = TestingConnectorSession.builder().setPropertyMetadata(new JdbcMetadataSessionProperties(new JdbcMetadataConfig().setAggregationPushdownEnabled(true), Optional.empty()).getSessionProperties()).build();
    ColumnHandle groupByColumn = metadata.getColumnHandles(session, tableHandle).get("text");
    Function<ConnectorTableHandle, Optional<AggregationApplicationResult<ConnectorTableHandle>>> applyAggregation = handle -> metadata.applyAggregation(session, handle, ImmutableList.of(new AggregateFunction("count", BIGINT, List.of(), List.of(), false, Optional.empty())), ImmutableMap.of(), ImmutableList.of(ImmutableList.of(groupByColumn)));
    ConnectorTableHandle baseTableHandle = metadata.getTableHandle(session, new SchemaTableName("example", "numbers"));
    Optional<AggregationApplicationResult<ConnectorTableHandle>> aggregationResult = applyAggregation.apply(baseTableHandle);
    assertThat(aggregationResult).isPresent();
    SchemaTableName noAggregationPushdownTable = new SchemaTableName("example", "no_aggregation_pushdown");
    metadata.createTable(SESSION, new ConnectorTableMetadata(noAggregationPushdownTable, ImmutableList.of(new ColumnMetadata("text", VARCHAR))), false);
    ConnectorTableHandle noAggregationPushdownTableHandle = metadata.getTableHandle(session, noAggregationPushdownTable);
    aggregationResult = applyAggregation.apply(noAggregationPushdownTableHandle);
    assertThat(aggregationResult).isEmpty();
}

Example 3 with SESSION

use of io.trino.testing.TestingConnectorSession.SESSION in project trino by trinodb.

the class TestLocalFileRecordSet method assertData.

private static void assertData(LocalFileTables localFileTables, LocalFileMetadata metadata) {
    LocalFileTableHandle tableHandle = new LocalFileTableHandle(getSchemaTableName(), OptionalInt.of(0), OptionalInt.of(-1));
    List<LocalFileColumnHandle> columnHandles = metadata.getColumnHandles(SESSION, tableHandle).values().stream().map(column -> (LocalFileColumnHandle) column).collect(Collectors.toList());
    LocalFileSplit split = new LocalFileSplit(address);
    RecordSet recordSet = new LocalFileRecordSet(localFileTables, split, tableHandle, columnHandles);
    RecordCursor cursor = recordSet.cursor();
    for (int i = 0; i < columnHandles.size(); i++) {
        assertEquals(cursor.getType(i), columnHandles.get(i).getColumnType());
    }
    // test one row
    assertTrue(cursor.advanceNextPosition());
    assertEquals(cursor.getSlice(0).toStringUtf8(), address.toString());
    assertEquals(cursor.getSlice(2).toStringUtf8(), "127.0.0.1");
    assertEquals(cursor.getSlice(3).toStringUtf8(), "POST");
    assertEquals(cursor.getSlice(4).toStringUtf8(), "/v1/memory");
    assertTrue(cursor.isNull(5));
    assertTrue(cursor.isNull(6));
    assertEquals(cursor.getLong(7), 200);
    assertEquals(cursor.getLong(8), 0);
    assertEquals(cursor.getLong(9), 1000);
    assertEquals(cursor.getLong(10), 10);
    assertTrue(cursor.isNull(11));
    assertTrue(cursor.advanceNextPosition());
    assertEquals(cursor.getSlice(0).toStringUtf8(), address.toString());
    assertEquals(cursor.getSlice(2).toStringUtf8(), "127.0.0.1");
    assertEquals(cursor.getSlice(3).toStringUtf8(), "GET");
    assertEquals(cursor.getSlice(4).toStringUtf8(), "/v1/service/presto/general");
    assertEquals(cursor.getSlice(5).toStringUtf8(), "foo");
    assertEquals(cursor.getSlice(6).toStringUtf8(), "ffffffff-ffff-ffff-ffff-ffffffffffff");
    assertEquals(cursor.getLong(7), 200);
    assertEquals(cursor.getLong(8), 0);
    assertEquals(cursor.getLong(9), 37);
    assertEquals(cursor.getLong(10), 1094);
    assertEquals(cursor.getSlice(11).toStringUtf8(), "a7229d56-5cbd-4e23-81ff-312ba6be0f12");
}