Package com.facebook.presto.block

Examples of com.facebook.presto.block.Block

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    }

    @Test
    public void testPartialWithMixedNullAndNonNullPositions()
    {
        Block alternatingNullsBlock = createAlternatingNullsBlock(getSequenceBlock(0, 10));
        testPartialWithMultiplePositions(alternatingNullsBlock, getExpectedValue(0, 10));
    }
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    }

    @Test
    public void testVectorPartialWithMixedNullAndNonNullPositions()
    {
        Block alternatingNullsBlock = createAlternatingNullsBlock(getSequenceBlock(0, 10));
        testVectorPartialWithMultiplePositions(alternatingNullsBlock, getExpectedValue(0, 10));
    }
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        assertEquals(getResult(function.getFinalTupleInfo(), aggregator2), expected);
    }

    private static Page createPage(Double[] values, double percentile)
    {
        Block valuesBlock;
        Block percentilesBlock;

        if (values.length == 0) {
            valuesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_DOUBLE, Slices.EMPTY_SLICE);
            percentilesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_DOUBLE, Slices.EMPTY_SLICE);
        }
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        return new Page(valuesBlock, percentilesBlock);
    }

    private static Page createPage(Long[] values, double percentile)
    {
        Block valuesBlock;
        Block percentilesBlock;

        if (values.length == 0) {
            valuesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_LONG, Slices.EMPTY_SLICE);
            percentilesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_DOUBLE, Slices.EMPTY_SLICE);
        }
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    private static Page createPage(Long[] values, Long[] weights, double percentile)
    {
        Preconditions.checkArgument(values.length == weights.length, "values.length must match weights.length");

        Block valuesBlock;
        Block weightsBlock;
        Block percentilesBlock;

        if (values.length == 0) {
            valuesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_LONG, Slices.EMPTY_SLICE);
            weightsBlock = new UncompressedBlock(0, TupleInfo.SINGLE_LONG, Slices.EMPTY_SLICE);
            percentilesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_DOUBLE, Slices.EMPTY_SLICE);
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    private static Page createPage(Double[] values, Long[] weights, double percentile)
    {
        Preconditions.checkArgument(values.length == weights.length, "values.length must match weights.length");

        Block valuesBlock;
        Block weightsBlock;
        Block percentilesBlock;

        if (values.length == 0) {
            valuesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_LONG, Slices.EMPTY_SLICE);
            weightsBlock = new UncompressedBlock(0, TupleInfo.SINGLE_LONG, Slices.EMPTY_SLICE);
            percentilesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_DOUBLE, Slices.EMPTY_SLICE);
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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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                if (blockEncodings == null) {
                    Block[] blocks = page.getBlocks();
                    blockEncodings = new BlockEncoding[blocks.length];
                    sliceOutput.writeInt(blocks.length);
                    for (int i = 0; i < blocks.length; i++) {
                        Block block = blocks[i];
                        BlockEncoding blockEncoding = block.getEncoding();
                        blockEncodings[i] = blockEncoding;
                        BlockEncodings.writeBlockEncoding(sliceOutput, blockEncoding);
                    }
                }
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            }

            operatorContext.addOutputItems(sourceId, ImmutableSet.of(new TableWriterResult(input.get().getShardId(), nodeIdentifier)));
        }

        Block block = new BlockBuilder(SINGLE_LONG).append(rowCount).build();
        return new Page(block);
    }
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    @Test
    public void testAllPositionsNull()
            throws Exception
    {
        Block block = new RunLengthEncodedBlock(nullTuple(getSequenceBlock(0, 10).getTupleInfo()), 10);
        assertAggregation(getFunction(), getExpectedValueIncludingNulls(0, 0, 10), 10, block);
    }
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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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