Examples with Location io.dingodb.meta.Location used on opensource projects

Example 1 with Location

use of io.dingodb.meta.Location in project dingo by dingodb.

the class DingoJobVisitor method visit.

@Override
public Collection<Output> visit(@Nonnull DingoExchange rel) {
    Collection<Output> inputs = dingo(rel.getInput()).accept(this);
    List<Output> outputs = new LinkedList<>();
    TupleSchema schema = TupleSchema.fromRelDataType(rel.getRowType());
    for (Output input : inputs) {
        Task task = input.getTask();
        Location target = input.getTargetLocation();
        if (target == null) {
            target = Services.META.currentLocation();
        }
        if (!target.equals(task.getLocation())) {
            Id id = idGenerator.get();
            Id receiveId = idGenerator.get();
            SendOperator send = new SendOperator(target.getHost(), target.getPort(), receiveId, schema);
            send.setId(id);
            task.putOperator(send);
            input.setLink(send.getInput(0));
            ReceiveOperator receive = new ReceiveOperator(task.getHost(), task.getLocation().getPort(), schema);
            receive.setId(receiveId);
            receive.getSoleOutput().copyHint(input);
            Task rcvTask = job.getOrCreate(target);
            rcvTask.putOperator(receive);
            outputs.addAll(receive.getOutputs());
        } else {
            outputs.add(input);
        }
    }
    return outputs;
}

Example 2 with Location

use of io.dingodb.meta.Location in project dingo by dingodb.

the class DingoJobVisitor method visit.

@Override
public Collection<Output> visit(@Nonnull DingoDistributedValues rel) {
    List<Output> outputs = new LinkedList<>();
    String tableName = getSimpleName(rel.getTable());
    final Map<String, Location> partLocations = Services.META.getPartLocations(tableName);
    final PartitionStrategy ps = new SimpleHashStrategy(partLocations.size());
    final TableDefinition td = Services.META.getTableDefinition(tableName);
    Map<String, List<Object[]>> partMap = ps.partTuples(rel.getValues(), td.getKeyMapping());
    for (Map.Entry<String, List<Object[]>> entry : partMap.entrySet()) {
        Object partId = entry.getKey();
        ValuesOperator operator = new ValuesOperator(entry.getValue());
        operator.setId(idGenerator.get());
        OutputHint hint = new OutputHint();
        hint.setPartId(partId);
        Location location = partLocations.get(partId);
        hint.setLocation(location);
        operator.getSoleOutput().setHint(hint);
        Task task = job.getOrCreate(location);
        task.putOperator(operator);
        outputs.addAll(operator.getOutputs());
    }
    return outputs;
}

Example 3 with Location

use of io.dingodb.meta.Location in project dingo by dingodb.

the class DingoJobVisitor method visit.

@Override
public Collection<Output> visit(@Nonnull DingoPartition rel) {
    Collection<Output> inputs = dingo(rel.getInput()).accept(this);
    String tableName = getSimpleName(rel.getTable());
    List<Output> outputs = new LinkedList<>();
    final Map<String, Location> partLocations = Services.META.getPartLocations(tableName);
    final TableDefinition td = Services.META.getTableDefinition(tableName);
    final PartitionStrategy ps = new SimpleHashStrategy(partLocations.size());
    for (Output input : inputs) {
        Task task = input.getTask();
        PartitionOperator operator = new PartitionOperator(ps, td.getKeyMapping());
        operator.setId(idGenerator.get());
        operator.createOutputs(tableName, partLocations);
        task.putOperator(operator);
        input.setLink(operator.getInput(0));
        outputs.addAll(operator.getOutputs());
    }
    return outputs;
}

Example 4 with Location

use of io.dingodb.meta.Location in project dingo by dingodb.

the class DingoJobVisitor method visit.

@Override
public Collection<Output> visit(@Nonnull DingoPartScan rel) {
    String tableName = getSimpleName(rel.getTable());
    TableDefinition td = Services.META.getTableDefinition(tableName);
    Map<String, Location> parts = Services.META.getPartLocations(tableName);
    List<Output> outputs = new ArrayList<>(parts.size());
    TableId tableId = new TableId(Services.META.getTableKey(tableName));
    String filterStr = null;
    if (rel.getFilter() != null) {
        filterStr = RexConverter.convert(rel.getFilter()).toString();
    }
    for (Map.Entry<String, Location> entry : parts.entrySet()) {
        final Object partId = entry.getKey();
        PartScanOperator operator = new PartScanOperator(tableId, entry.getKey(), td.getTupleSchema(), td.getKeyMapping(), filterStr, rel.getSelection());
        operator.setId(idGenerator.get());
        Task task = job.getOrCreate(entry.getValue());
        task.putOperator(operator);
        operator.getSoleOutput().setHint(OutputHint.of(tableName, partId));
        outputs.addAll(operator.getOutputs());
    }
    return outputs;
}

Example 5 with Location

use of io.dingodb.meta.Location in project dingo by dingodb.

the class DingoJobVisitor method visit.

@Override
public Collection<Output> visit(@Nonnull DingoGetByKeys rel) {
    String tableName = getSimpleName(rel.getTable());
    final Map<String, Location> partLocations = Services.META.getPartLocations(tableName);
    final TableDefinition td = Services.META.getTableDefinition(tableName);
    final PartitionStrategy ps = new SimpleHashStrategy(partLocations.size());
    final TableId tableId = new TableId(Services.META.getTableKey(tableName));
    Map<String, List<Object[]>> partMap = ps.partKeyTuples(rel.getKeyTuples());
    List<Output> outputs = new LinkedList<>();
    for (Map.Entry<String, List<Object[]>> entry : partMap.entrySet()) {
        final Object partId = entry.getKey();
        GetByKeysOperator operator = new GetByKeysOperator(tableId, partId, td.getTupleSchema(), td.getKeyMapping(), entry.getValue(), rel.getSelection());
        operator.setId(idGenerator.get());
        Task task = job.getOrCreate(partLocations.get(entry.getKey()));
        task.putOperator(operator);
        operator.getSoleOutput().setHint(OutputHint.of(tableName, partId));
        outputs.addAll(operator.getOutputs());
    }
    return outputs;
}