Examples with OutputHint io.dingodb.exec.base.OutputHint used on opensource projects

Example 1 with OutputHint

use of io.dingodb.exec.base.OutputHint 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 2 with OutputHint

use of io.dingodb.exec.base.OutputHint in project dingo by dingodb.

the class DingoJobVisitor method visit.

@Override
public Collection<Output> visit(@Nonnull DingoPartModify rel) {
    Collection<Output> inputs = dingo(rel.getInput()).accept(this);
    String tableName = getSimpleName(rel.getTable());
    List<Output> outputs = new LinkedList<>();
    TableDefinition td = Services.META.getTableDefinition(tableName);
    final TableId tableId = new TableId(Services.META.getTableKey(tableName));
    for (Output input : inputs) {
        Task task = input.getTask();
        Operator operator;
        switch(rel.getOperation()) {
            case INSERT:
                operator = new PartInsertOperator(tableId, input.getHint().getPartId(), td.getTupleSchema(), td.getKeyMapping());
                break;
            case UPDATE:
                operator = new PartUpdateOperator(tableId, input.getHint().getPartId(), td.getTupleSchema(), td.getKeyMapping(), TupleMapping.of(td.getColumnIndices(rel.getUpdateColumnList())), rel.getSourceExpressionList().stream().map(RexConverter::toString).collect(Collectors.toList()));
                break;
            case DELETE:
                operator = new PartDeleteOperator(tableId, input.getHint().getPartId(), td.getTupleSchema(), td.getKeyMapping());
                break;
            default:
                throw new IllegalStateException("Operation \"" + rel.getOperation() + "\" is not supported.");
        }
        operator.setId(idGenerator.get());
        task.putOperator(operator);
        input.setLink(operator.getInput(0));
        OutputHint hint = new OutputHint();
        hint.setToSumUp(true);
        operator.getSoleOutput().setHint(hint);
        outputs.addAll(operator.getOutputs());
    }
    return outputs;
}

Example 3 with OutputHint

use of io.dingodb.exec.base.OutputHint in project dingo by dingodb.

the class PartitionOperator method createOutputs.

public void createOutputs(String tableName, @Nonnull Map<String, Location> partLocations) {
    outputs = new HashMap<>(partLocations.size());
    for (Map.Entry<String, Location> partLocation : partLocations.entrySet()) {
        OutputHint hint = OutputHint.of(tableName, partLocation.getKey());
        hint.setLocation(partLocation.getValue());
        Output output = OutputIml.of(this);
        output.setHint(hint);
        outputs.put(partLocation.getKey(), output);
    }
}