Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.ConnectorColumnHandle


    public Optional<ColumnHandle> getColumnHandle(TableHandle tableHandle, String columnName)
    {
        checkNotNull(tableHandle, "tableHandle is null");
        checkColumnName(columnName);

        ConnectorColumnHandle handle = lookupConnectorFor(tableHandle).getColumnHandle(tableHandle.getConnectorHandle(), columnName);

        if (handle == null) {
            return Optional.absent();
        }
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    @Override
    public Optional<ColumnHandle> getSampleWeightColumnHandle(TableHandle tableHandle)
    {
        checkNotNull(tableHandle, "tableHandle is null");
        ConnectorColumnHandle handle = lookupConnectorFor(tableHandle).getSampleWeightColumnHandle(tableHandle.getConnectorHandle());

        if (handle == null) {
            return Optional.absent();
        }
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            throws Exception
    {
        ConnectorTableHandle tableHandle = getTableHandle(tableOfflinePartition);
        assertNotNull(tableHandle);

        ConnectorColumnHandle dsColumn = metadata.getColumnHandle(tableHandle, "ds");
        assertNotNull(dsColumn);

        Domain domain = Domain.singleValue(utf8Slice("2012-12-30"));
        TupleDomain<ConnectorColumnHandle> tupleDomain = TupleDomain.withColumnDomains(ImmutableMap.of(dsColumn, domain));
        ConnectorPartitionResult partitionResult = splitManager.getPartitions(tableHandle, tupleDomain);
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                        return new HivePartition(tableName);
                    }

                    ImmutableMap.Builder<ConnectorColumnHandle, Comparable<?>> builder = ImmutableMap.builder();
                    for (Entry<String, String> entry : makeSpecFromName(partitionId).entrySet()) {
                        ConnectorColumnHandle columnHandle = columnsByName.get(entry.getKey());
                        checkArgument(columnHandle != null, "Invalid partition key %s in partition %s", entry.getKey(), partitionId);
                        checkArgument(columnHandle instanceof HiveColumnHandle, "columnHandle is not an instance of HiveColumnHandle");
                        HiveColumnHandle hiveColumnHandle = (HiveColumnHandle) columnHandle;

                        String value = entry.getValue();
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            {
                String partitionName = tablePartition.getPartitionName();

                ImmutableMap.Builder<ConnectorColumnHandle, Domain> builder = ImmutableMap.builder();
                for (PartitionKey partitionKey : allPartitionKeys.get(partitionName)) {
                    ConnectorColumnHandle columnHandle = columnHandles.get(partitionKey.getName());
                    checkArgument(columnHandle != null, "Invalid partition key for column %s in partition %s", partitionKey.getName(), tablePartition.getPartitionName());

                    String value = partitionKey.getValue();
                    Class<?> javaType = partitionKey.getType().getJavaType();
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        ImmutableList.Builder<BlockIterable> sourcesBuilder = ImmutableList.builder();
        ColumnFileHandle.Builder builder = ColumnFileHandle.builder(shardUuid, blockEncodingSerde);

        for (Map.Entry<ConnectorColumnHandle, File> entry : columnFileHandle.getFiles().entrySet()) {
            File file = entry.getValue();
            ConnectorColumnHandle columnHandle = entry.getKey();

            if (file.length() > 0) {
                Slice slice = mappedFileCache.getUnchecked(file.getAbsoluteFile());
                checkState(file.length() == slice.length(), "File %s, length %s was mapped to Slice length %s", file.getAbsolutePath(), file.length(), slice.length());
                // Compute optimal encoding from stats
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                    throws Exception
            {
                StorageManagerDao dao = handle.attach(StorageManagerDao.class);

                for (Map.Entry<ConnectorColumnHandle, File> entry : columnFileHandle.getFiles().entrySet()) {
                    ConnectorColumnHandle columnHandle = entry.getKey();
                    File file = entry.getValue();

                    long columnId = checkType(columnHandle, RaptorColumnHandle.class, "columnHandle").getColumnId();
                    String filename = file.getName();
                    dao.insertColumn(columnFileHandle.getShardUuid(), columnId, filename);
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        assertEquals(((NativeTableHandle) tableHandle).getTableId(), 1);

        ConnectorTableMetadata table = metadata.getTableMetadata(tableHandle);
        assertTableEqual(table, getOrdersTable());

        ConnectorColumnHandle columnHandle = metadata.getColumnHandle(tableHandle, "orderkey");
        assertInstanceOf(columnHandle, NativeColumnHandle.class);
        assertEquals(((NativeColumnHandle) columnHandle).getColumnId(), 1);
    }
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    @Override
    public RecordSet getRecordSet(ConnectorSplit split, List<? extends ConnectorColumnHandle> columns)
    {
        int sampleWeightField = -1;
        for (int i = 0; i < columns.size(); i++) {
            ConnectorColumnHandle column = columns.get(i);
            if (column instanceof TpchColumnHandle && ((TpchColumnHandle) column).getColumnName().equals(SampledTpchMetadata.SAMPLE_WEIGHT_COLUMN_NAME)) {
                sampleWeightField = i;
                break;
            }
        }
        List<? extends ConnectorColumnHandle> delegatedColumns = new ArrayList<>(columns);
        if (sampleWeightField > -1) {
            delegatedColumns.remove(sampleWeightField);
            RecordSet recordSet;
            if (delegatedColumns.isEmpty()) {
                // Pick a random column, so that we can figure out how many rows there are
                TpchSplit tpchSplit = (TpchSplit) split;
                ConnectorColumnHandle column = Iterables.getFirst(metadata.getColumnHandles(tpchSplit.getTableHandle()).values(), null);
                checkNotNull(column, "Could not find any columns");
                recordSet = new EmptyRecordSet(super.getRecordSet(split, ImmutableList.of(column)));
            }
            else {
                recordSet = super.getRecordSet(split, delegatedColumns);
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                        return new HivePartition(tableName);
                    }

                    ImmutableMap.Builder<ConnectorColumnHandle, Comparable<?>> builder = ImmutableMap.builder();
                    for (Entry<String, String> entry : makeSpecFromName(partitionId).entrySet()) {
                        ConnectorColumnHandle handle = columnsByName.get(entry.getKey());
                        checkArgument(handle != null, "Invalid partition key %s in partition %s", entry.getKey(), partitionId);
                        HiveColumnHandle columnHandle = checkType(handle, HiveColumnHandle.class, "handle");

                        String value = entry.getValue();
                        Type type = columnHandle.getType();
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