Package com.facebook.presto.metadata

Examples of com.facebook.presto.metadata.Split

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    static class TestSplit
            implements ConnectorSplit
    {
        static Split createRecordSetSplit()
        {
            return new Split("test", new TestSplit(true));
        }
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            return new Split("test", new TestSplit(true));
        }

        static Split createNormalSplit()
        {
            return new Split("test", new TestSplit(false));
        }
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    static class TestSplit
            implements ConnectorSplit
    {
        static Split createRecordSetSplit()
        {
            return new Split("test", new TestSplit(true));
        }
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            return new Split("test", new TestSplit(true));
        }

        static Split createNormalSplit()
        {
            return new Split("test", new TestSplit(false));
        }
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        }
        final List<ColumnHandle> columnHandles = columnHandlesBuilder.build();
        final List<Type> columnTypes = columnTypesBuilder.build();

        // get the split for this table
        final Split split = getLocalQuerySplit(tableHandle);

        return new OperatorFactory()
        {
            @Override
            public List<Type> getTypes()
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    private Split getLocalQuerySplit(TableHandle tableHandle)
    {
        try {
            List<Partition> partitions = splitManager.getPartitions(tableHandle, Optional.<TupleDomain<ColumnHandle>>absent()).getPartitions();
            SplitSource splitSource = splitManager.getPartitionSplits(tableHandle, partitions);
            Split split = Iterables.getOnlyElement(splitSource.getNextBatch(1000));
            while (!splitSource.isFinished()) {
                checkState(splitSource.getNextBatch(1000).isEmpty(), "Expected only one split for a local query");
            }
            return split;
        }
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        boolean finished = allSourceComplete && outputBuffers.isNoMoreBufferIds();

        // update tasks
        for (RemoteTask task : tasks.values()) {
            for (Entry<PlanNodeId, URI> entry : newExchangeLocations.entries()) {
                Split remoteSplit = createRemoteSplitFor(task.getTaskInfo().getTaskId(), entry.getValue());
                task.addSplits(entry.getKey(), ImmutableList.of(remoteSplit));
            }
            task.setOutputBuffers(outputBuffers);
            for (PlanNodeId completeSource : completeSources) {
                task.noMoreSplits(completeSource);
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    }

    private Split createRemoteSplitFor(TaskId taskId, URI taskLocation)
    {
        URI splitLocation = uriBuilderFrom(taskLocation).appendPath("results").appendPath(taskId.toString()).build();
        return new Split("remote", new RemoteSplit(splitLocation));
    }
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            currentSources.put(source.getPlanNodeId(), newSource);
        }

        // add new splits
        for (ScheduledSplit newSplit : newSplits) {
            Split split = newSplit.getSplit();

            SourceOperator sourceOperator = sourceOperators.get(source.getPlanNodeId());
            if (sourceOperator != null) {
                sourceOperator.addSplit(split);
            }
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        Driver driver = driverFactory.createDriver(pipelineContext.addDriverContext());

        Page indedKeyTuple = new Page(sliceBlocks(updateRequest.getBlocks(), 0, 1));
        PageRecordSet pageRecordSet = new PageRecordSet(indexTypes, indedKeyTuple);
        PlanNodeId planNodeId = Iterables.getOnlyElement(driverFactory.getSourceIds());
        driver.updateSource(new TaskSource(planNodeId, ImmutableSet.of(new ScheduledSplit(0, new Split("index", new IndexSplit(pageRecordSet)))), true));

        return new StreamingIndexedData(outputTypes, indexTypes, indedKeyTuple, pageBuffer, driver);
    }
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Related Classes of com.facebook.presto.metadata.Split

  • com.facebook.presto.execution.SqlStageExecution
  • com.facebook.presto.execution.TestNodeScheduler
  • com.facebook.presto.operator.Driver
  • com.facebook.presto.operator.index.IndexLoader
  • com.facebook.presto.operator.index.IndexLoader$IndexSnapshotBuilder
  • com.facebook.presto.operator.index.IndexLoader$IndexSnapshotLoader
  • com.facebook.presto.operator.scalar.FunctionAssertions$TestSplit
  • com.facebook.presto.operator.TestDriver
  • com.facebook.presto.operator.TestExchangeOperator
  • com.facebook.presto.testing.LocalQueryRunner
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