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

Example 61 with ConnectorMetadata

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

the class AbstractTestHive method testGetPartitionNamesUnpartitioned.

@Test
public void testGetPartitionNamesUnpartitioned() {
    try (Transaction transaction = newTransaction()) {
        ConnectorMetadata metadata = transaction.getMetadata();
        ConnectorTableHandle tableHandle = getTableHandle(metadata, tableUnpartitioned);
        tableHandle = applyFilter(metadata, tableHandle, Constraint.alwaysTrue());
        ConnectorTableProperties properties = metadata.getTableProperties(newSession(), tableHandle);
        assertExpectedTableProperties(properties, new ConnectorTableProperties());
        assertExpectedPartitions(tableHandle, tableUnpartitionedPartitions);
    }
}

Example 62 with ConnectorMetadata

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

the class AbstractTestHive method testGetPartitionsWithBindings.

@Test
public void testGetPartitionsWithBindings() {
    try (Transaction transaction = newTransaction()) {
        ConnectorMetadata metadata = transaction.getMetadata();
        ConnectorTableHandle tableHandle = getTableHandle(metadata, tablePartitionFormat);
        Constraint constraint = new Constraint(TupleDomain.withColumnDomains(ImmutableMap.of(intColumn, Domain.singleValue(BIGINT, 5L))));
        tableHandle = applyFilter(metadata, tableHandle, constraint);
        ConnectorTableProperties properties = metadata.getTableProperties(newSession(), tableHandle);
        assertExpectedTableProperties(properties, tablePartitionFormatProperties);
        assertExpectedPartitions(tableHandle, tablePartitionFormatPartitions);
    }
}

Example 63 with ConnectorMetadata

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

the class AbstractTestHive method doTestBucketedTableEvolution.

private void doTestBucketedTableEvolution(HiveStorageFormat storageFormat, SchemaTableName tableName) throws Exception {
    int rowCount = 100;
    // 
    // Produce a table with 8 buckets.
    // The table has 3 partitions of 3 different bucket count (4, 8, 16).
    createEmptyTable(tableName, storageFormat, ImmutableList.of(new Column("id", HIVE_LONG, Optional.empty()), new Column("name", HIVE_STRING, Optional.empty())), ImmutableList.of(new Column("pk", HIVE_STRING, Optional.empty())), Optional.of(new HiveBucketProperty(ImmutableList.of("id"), BUCKETING_V1, 4, ImmutableList.of())));
    // write a 4-bucket partition
    MaterializedResult.Builder bucket4Builder = MaterializedResult.resultBuilder(SESSION, BIGINT, VARCHAR, VARCHAR);
    IntStream.range(0, rowCount).forEach(i -> bucket4Builder.row((long) i, String.valueOf(i), "four"));
    insertData(tableName, bucket4Builder.build());
    // write a 16-bucket partition
    alterBucketProperty(tableName, Optional.of(new HiveBucketProperty(ImmutableList.of("id"), BUCKETING_V1, 16, ImmutableList.of())));
    MaterializedResult.Builder bucket16Builder = MaterializedResult.resultBuilder(SESSION, BIGINT, VARCHAR, VARCHAR);
    IntStream.range(0, rowCount).forEach(i -> bucket16Builder.row((long) i, String.valueOf(i), "sixteen"));
    insertData(tableName, bucket16Builder.build());
    // write an 8-bucket partition
    alterBucketProperty(tableName, Optional.of(new HiveBucketProperty(ImmutableList.of("id"), BUCKETING_V1, 8, ImmutableList.of())));
    MaterializedResult.Builder bucket8Builder = MaterializedResult.resultBuilder(SESSION, BIGINT, VARCHAR, VARCHAR);
    IntStream.range(0, rowCount).forEach(i -> bucket8Builder.row((long) i, String.valueOf(i), "eight"));
    insertData(tableName, bucket8Builder.build());
    try (Transaction transaction = newTransaction()) {
        ConnectorMetadata metadata = transaction.getMetadata();
        ConnectorSession session = newSession();
        metadata.beginQuery(session);
        ConnectorTableHandle tableHandle = getTableHandle(metadata, tableName);
        // read entire table
        List<ColumnHandle> columnHandles = ImmutableList.<ColumnHandle>builder().addAll(metadata.getColumnHandles(session, tableHandle).values()).build();
        MaterializedResult result = readTable(transaction, tableHandle, columnHandles, session, TupleDomain.all(), OptionalInt.empty(), Optional.empty());
        assertBucketTableEvolutionResult(result, columnHandles, ImmutableSet.of(0, 1, 2, 3, 4, 5, 6, 7), rowCount);
        // read single bucket (table/logical bucket)
        result = readTable(transaction, tableHandle, columnHandles, session, TupleDomain.fromFixedValues(ImmutableMap.of(bucketColumnHandle(), NullableValue.of(INTEGER, 6L))), OptionalInt.empty(), Optional.empty());
        assertBucketTableEvolutionResult(result, columnHandles, ImmutableSet.of(6), rowCount);
        // read single bucket, without selecting the bucketing column (i.e. id column)
        columnHandles = ImmutableList.<ColumnHandle>builder().addAll(metadata.getColumnHandles(session, tableHandle).values().stream().filter(columnHandle -> !"id".equals(((HiveColumnHandle) columnHandle).getName())).collect(toImmutableList())).build();
        result = readTable(transaction, tableHandle, columnHandles, session, TupleDomain.fromFixedValues(ImmutableMap.of(bucketColumnHandle(), NullableValue.of(INTEGER, 6L))), OptionalInt.empty(), Optional.empty());
        assertBucketTableEvolutionResult(result, columnHandles, ImmutableSet.of(6), rowCount);
    }
}

Example 64 with ConnectorMetadata

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

the class AbstractTestHiveFileSystem method createTable.

private void createTable(SchemaTableName tableName, HiveStorageFormat storageFormat) throws Exception {
    List<ColumnMetadata> columns = ImmutableList.<ColumnMetadata>builder().add(new ColumnMetadata("id", BIGINT)).build();
    MaterializedResult data = MaterializedResult.resultBuilder(newSession(), BIGINT).row(1L).row(3L).row(2L).build();
    try (Transaction transaction = newTransaction()) {
        ConnectorMetadata metadata = transaction.getMetadata();
        ConnectorSession session = newSession();
        // begin creating the table
        ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(tableName, columns, createTableProperties(storageFormat));
        ConnectorOutputTableHandle outputHandle = metadata.beginCreateTable(session, tableMetadata, Optional.empty(), NO_RETRIES);
        // write the records
        ConnectorPageSink sink = pageSinkProvider.createPageSink(transaction.getTransactionHandle(), session, outputHandle);
        sink.appendPage(data.toPage());
        Collection<Slice> fragments = getFutureValue(sink.finish());
        // commit the table
        metadata.finishCreateTable(session, outputHandle, fragments, ImmutableList.of());
        transaction.commit();
        // Hack to work around the metastore not being configured for S3 or other FS.
        // The metastore tries to validate the location when creating the
        // table, which fails without explicit configuration for file system.
        // We work around that by using a dummy location when creating the
        // table and update it here to the correct location.
        metastoreClient.updateTableLocation(database, tableName.getTableName(), locationService.getTableWriteInfo(((HiveOutputTableHandle) outputHandle).getLocationHandle(), false).getTargetPath().toString());
    }
    try (Transaction transaction = newTransaction()) {
        ConnectorMetadata metadata = transaction.getMetadata();
        ConnectorSession session = newSession();
        // load the new table
        ConnectorTableHandle tableHandle = getTableHandle(metadata, tableName);
        List<ColumnHandle> columnHandles = filterNonHiddenColumnHandles(metadata.getColumnHandles(session, tableHandle).values());
        // verify the metadata
        ConnectorTableMetadata tableMetadata = metadata.getTableMetadata(session, getTableHandle(metadata, tableName));
        assertEquals(filterNonHiddenColumnMetadata(tableMetadata.getColumns()), columns);
        // verify the data
        metadata.beginQuery(session);
        ConnectorSplitSource splitSource = getSplits(splitManager, transaction, session, tableHandle);
        ConnectorSplit split = getOnlyElement(getAllSplits(splitSource));
        try (ConnectorPageSource pageSource = pageSourceProvider.createPageSource(transaction.getTransactionHandle(), session, split, tableHandle, columnHandles, DynamicFilter.EMPTY)) {
            MaterializedResult result = materializeSourceDataStream(session, pageSource, getTypes(columnHandles));
            assertEqualsIgnoreOrder(result.getMaterializedRows(), data.getMaterializedRows());
        }
        metadata.cleanupQuery(session);
    }
}

Example 65 with ConnectorMetadata

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

the class AbstractTestHiveLocal method assertReadReturnsRowCount.

private void assertReadReturnsRowCount(HiveStorageFormat storageFormat, SchemaTableName tableName, int rowCount) throws Exception {
    try (Transaction transaction = newTransaction()) {
        ConnectorSession session = newSession();
        ConnectorMetadata metadata = transaction.getMetadata();
        metadata.beginQuery(session);
        ConnectorTableHandle tableHandle = getTableHandle(metadata, tableName);
        List<ColumnHandle> columnHandles = filterNonHiddenColumnHandles(metadata.getColumnHandles(session, tableHandle).values());
        MaterializedResult result = readTable(transaction, tableHandle, columnHandles, session, TupleDomain.all(), OptionalInt.empty(), Optional.of(storageFormat));
        assertEquals(result.getRowCount(), rowCount);
    }
}