Examples with ConnectorTransactionHandle com.facebook.presto.spi.connector.ConnectorTransactionHandle used on opensource projects

Example 1 with ConnectorTransactionHandle

use of com.facebook.presto.spi.connector.ConnectorTransactionHandle in project presto by prestodb.

the class InformationSchemaSplitManager method getSplits.

@Override
public ConnectorSplitSource getSplits(ConnectorTransactionHandle transaction, ConnectorSession session, ConnectorTableLayoutHandle layout) {
    InformationSchemaTableLayoutHandle handle = (InformationSchemaTableLayoutHandle) layout;
    Map<ColumnHandle, NullableValue> bindings = extractFixedValues(handle.getConstraint()).orElse(ImmutableMap.of());
    List<HostAddress> localAddress = ImmutableList.of(nodeManager.getCurrentNode().getHostAndPort());
    Map<String, NullableValue> filters = bindings.entrySet().stream().collect(toMap(entry -> ((InformationSchemaColumnHandle) entry.getKey()).getColumnName(), Entry::getValue));
    ConnectorSplit split = new InformationSchemaSplit(handle.getTable(), filters, localAddress);
    return new FixedSplitSource(ImmutableList.of(split));
}

Example 2 with ConnectorTransactionHandle

use of com.facebook.presto.spi.connector.ConnectorTransactionHandle in project presto by prestodb.

the class MetadataManager method getLayouts.

@Override
public List<TableLayoutResult> getLayouts(Session session, TableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns) {
    if (constraint.getSummary().isNone()) {
        return ImmutableList.of();
    }
    ConnectorId connectorId = table.getConnectorId();
    ConnectorTableHandle connectorTable = table.getConnectorHandle();
    CatalogMetadata catalogMetadata = getCatalogMetadata(session, connectorId);
    ConnectorMetadata metadata = catalogMetadata.getMetadataFor(connectorId);
    ConnectorTransactionHandle transaction = catalogMetadata.getTransactionHandleFor(connectorId);
    ConnectorSession connectorSession = session.toConnectorSession(connectorId);
    List<ConnectorTableLayoutResult> layouts = metadata.getTableLayouts(connectorSession, connectorTable, constraint, desiredColumns);
    return layouts.stream().map(layout -> new TableLayoutResult(fromConnectorLayout(connectorId, transaction, layout.getTableLayout()), layout.getUnenforcedConstraint())).collect(toImmutableList());
}

Example 3 with ConnectorTransactionHandle

use of com.facebook.presto.spi.connector.ConnectorTransactionHandle in project presto by prestodb.

the class RaptorPageSourceProvider method createPageSource.

@Override
public ConnectorPageSource createPageSource(ConnectorTransactionHandle transactionHandle, ConnectorSession session, ConnectorSplit split, List<ColumnHandle> columns) {
    RaptorSplit raptorSplit = (RaptorSplit) split;
    OptionalInt bucketNumber = raptorSplit.getBucketNumber();
    TupleDomain<RaptorColumnHandle> predicate = raptorSplit.getEffectivePredicate();
    ReaderAttributes attributes = ReaderAttributes.from(session);
    OptionalLong transactionId = raptorSplit.getTransactionId();
    if (raptorSplit.getShardUuids().size() == 1) {
        UUID shardUuid = raptorSplit.getShardUuids().iterator().next();
        return createPageSource(shardUuid, bucketNumber, columns, predicate, attributes, transactionId);
    }
    Iterator<ConnectorPageSource> iterator = raptorSplit.getShardUuids().stream().map(shardUuid -> createPageSource(shardUuid, bucketNumber, columns, predicate, attributes, transactionId)).iterator();
    return new ConcatPageSource(iterator);
}

Example 4 with ConnectorTransactionHandle

use of com.facebook.presto.spi.connector.ConnectorTransactionHandle in project presto by prestodb.

the class TestRaptorConnector method createTable.

private long createTable(String name) {
    ConnectorTransactionHandle transaction = connector.beginTransaction(READ_COMMITTED, false);
    connector.getMetadata(transaction).createTable(SESSION, new ConnectorTableMetadata(new SchemaTableName("test", name), ImmutableList.of(new ColumnMetadata("id", BIGINT)), ImmutableMap.of(TABLE_SUPPORTS_DELTA_DELETE, false)), false);
    connector.commit(transaction);
    transaction = connector.beginTransaction(READ_COMMITTED, false);
    ConnectorTableHandle tableHandle = getTableHandle(connector.getMetadata(transaction), name);
    connector.commit(transaction);
    return ((RaptorTableHandle) tableHandle).getTableId();
}

Example 5 with ConnectorTransactionHandle

use of com.facebook.presto.spi.connector.ConnectorTransactionHandle in project presto by prestodb.

the class TestRaptorConnector method assertSplitShard.

private void assertSplitShard(Type temporalType, String min, String max, String userTimeZone, int expectedSplits) throws Exception {
    ConnectorSession session = new TestingConnectorSession("user", Optional.of("test"), Optional.empty(), getTimeZoneKey(userTimeZone), ENGLISH, System.currentTimeMillis(), new RaptorSessionProperties(new StorageManagerConfig()).getSessionProperties(), ImmutableMap.of(), true, Optional.empty(), ImmutableSet.of(), Optional.empty(), ImmutableMap.of());
    ConnectorTransactionHandle transaction = connector.beginTransaction(READ_COMMITTED, false);
    connector.getMetadata(transaction).createTable(SESSION, new ConnectorTableMetadata(new SchemaTableName("test", "test"), ImmutableList.of(new ColumnMetadata("id", BIGINT), new ColumnMetadata("time", temporalType)), ImmutableMap.of(TEMPORAL_COLUMN_PROPERTY, "time", TABLE_SUPPORTS_DELTA_DELETE, false)), false);
    connector.commit(transaction);
    ConnectorTransactionHandle txn1 = connector.beginTransaction(READ_COMMITTED, false);
    ConnectorTableHandle handle1 = getTableHandle(connector.getMetadata(txn1), "test");
    ConnectorInsertTableHandle insertTableHandle = connector.getMetadata(txn1).beginInsert(session, handle1);
    ConnectorPageSink raptorPageSink = connector.getPageSinkProvider().createPageSink(txn1, session, insertTableHandle, PageSinkContext.defaultContext());
    Object timestamp1 = null;
    Object timestamp2 = null;
    if (temporalType.equals(TIMESTAMP)) {
        timestamp1 = new SqlTimestamp(parseTimestampLiteral(getTimeZoneKey(userTimeZone), min), getTimeZoneKey(userTimeZone));
        timestamp2 = new SqlTimestamp(parseTimestampLiteral(getTimeZoneKey(userTimeZone), max), getTimeZoneKey(userTimeZone));
    } else if (temporalType.equals(DATE)) {
        timestamp1 = new SqlDate(parseDate(min));
        timestamp2 = new SqlDate(parseDate(max));
    }
    Page inputPage = MaterializedResult.resultBuilder(session, ImmutableList.of(BIGINT, temporalType)).row(1L, timestamp1).row(2L, timestamp2).build().toPage();
    raptorPageSink.appendPage(inputPage);
    Collection<Slice> shards = raptorPageSink.finish().get();
    assertEquals(shards.size(), expectedSplits);
    connector.getMetadata(txn1).dropTable(session, handle1);
    connector.commit(txn1);
}