Package com.facebook.presto.block

Examples of com.facebook.presto.block.Block

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            if (page.getPositionCount() > 0) {
                partialAggregation.addInput(page);
            }
        }

        Block partialBlock = partialAggregation.evaluateIntermediate();

        Accumulator finalAggregation = function.createIntermediateAggregation(confidence);
        // Test handling of empty intermediate blocks
        Block emptyBlock = function.createAggregation(Optional.<Integer>absent(), Optional.<Integer>absent(), confidence, args).evaluateIntermediate();
        finalAggregation.addIntermediate(emptyBlock);
        finalAggregation.addIntermediate(partialBlock);

        Block finalBlock = finalAggregation.evaluateFinal();
        return BlockAssertions.getOnlyValue(finalBlock);
    }
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            Page page = new Page(builder.build());
            page = OperatorAssertion.appendSampleWeight(ImmutableList.of(page), WEIGHT).get(0);
            Accumulator accumulator = getFunction().createAggregation(Optional.<Integer>absent(), Optional.of(page.getChannelCount() - 1), getConfidence(), 0);

            accumulator.addInput(page);
            Block result = accumulator.evaluateFinal();

            String approxValue = BlockAssertions.toValues(result).get(0).toString();
            double approx = Double.parseDouble(approxValue.split(" ")[0]);
            double error = Double.parseDouble(approxValue.split(" ")[2]);
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        checkState(blocks.length == writers.size(), "Block count does not match writer count (%s vs %s)!", blocks.length, writers.size());

        int i = 0;
        for (BlocksFileWriter writer : writers.values()) {
            Block block = blocks[i];
            writer.append(toTupleIterable(block));
            tupleCount[i] = block.getPositionCount();
            if (i > 0) {
                checkState(tupleCount[i] == tupleCount[i - 1], "different tuple count (%s vs. %s) for block!", tupleCount[i], tupleCount[i - 1]);
            }
            i++;
        }
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Related Classes of com.facebook.presto.block.Block

  • com.facebook.presto.metadata.ColumnFileHandle
  • com.facebook.presto.operator.aggregation.AbstractTestAggregationFunction
  • com.facebook.presto.operator.aggregation.AbstractTestApproximateAggregationFunction
  • com.facebook.presto.operator.aggregation.AbstractTestApproximateCountDistinct
  • com.facebook.presto.operator.aggregation.AggregationTestUtils
  • com.facebook.presto.operator.aggregation.TestApproximatePercentileAggregation
  • com.facebook.presto.operator.aggregation.TestCountAggregation
  • com.facebook.presto.operator.AggregationOperator$FixedWidthAggregator
  • com.facebook.presto.operator.LimitOperator
  • com.facebook.presto.operator.MarkDistinctOperator
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