Package com.facebook.presto.spi.block

Examples of com.facebook.presto.spi.block.BlockBuilder

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        extends AbstractTestAggregationFunction
{
    @Override
    public Block getSequenceBlock(int start, int length)
    {
        BlockBuilder blockBuilder = DOUBLE.createBlockBuilder(new BlockBuilderStatus());
        for (int i = start; i < start + length; i++) {
            DOUBLE.writeDouble(blockBuilder, (double) i);
        }
        return blockBuilder.build();
    }
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        extends AbstractTestAggregationFunction
{
    @Override
    public Block getSequenceBlock(int start, int length)
    {
        BlockBuilder blockBuilder = BOOLEAN.createBlockBuilder(new BlockBuilderStatus());
        for (int i = start; i < start + length; i++) {
            // false, true, false, true...
            BOOLEAN.writeBoolean(blockBuilder, i % 2 != 0);
        }
        return blockBuilder.build();
    }
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        assertEquals(Sets.intersection(expectedPartition3Set, actualSet).size(), 2);
    }

    private static Block getRowNumberColumn(List<Page> pages)
    {
        BlockBuilder builder = BIGINT.createBlockBuilder(new BlockBuilderStatus());
        for (Page page : pages) {
            int rowNumberChannel = page.getChannelCount() - 1;
            for (int i = 0; i < page.getPositionCount(); i++) {
                BIGINT.writeLong(builder, BIGINT.getLong(page.getBlock(rowNumberChannel), i));
            }
        }
        return builder.build();
    }
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        extends AbstractTestAggregationFunction
{
    @Override
    public Block getSequenceBlock(int start, int length)
    {
        BlockBuilder blockBuilder = VARBINARY.createBlockBuilder(new BlockBuilderStatus());
        for (int i = 0; i < length; i++) {
            VARBINARY.writeSlice(blockBuilder, Slices.wrappedBuffer(Ints.toByteArray(i)));
        }
        return blockBuilder.build();
    }
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        return IterableTransformer.on(input).transform(new Function<Page, Page>()
        {
            @Override
            public Page apply(Page page)
            {
                BlockBuilder builder = BIGINT.createBlockBuilder(new BlockBuilderStatus());
                for (int i = 0; i < page.getPositionCount(); i++) {
                    BIGINT.writeLong(builder, sampleWeight);
                }
                Block[] blocks = new Block[page.getChannelCount() + 1];
                System.arraycopy(page.getBlocks(), 0, blocks, 0, page.getChannelCount());
                blocks[blocks.length - 1] = builder.build();
                return new Page(blocks);
            }
        }).list();
    }
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     * Produce a block with the given values in the last field.
     */
    private Block createBlock(List<Object> values)
    {
        Type type = getValueType();
        BlockBuilder blockBuilder = type.createBlockBuilder(new BlockBuilderStatus());

        for (Object value : values) {
            Class<?> javaType = type.getJavaType();
            if (value == null) {
                blockBuilder.appendNull();
            }
            else if (javaType == boolean.class) {
                type.writeBoolean(blockBuilder, (Boolean) value);
            }
            else if (javaType == long.class) {
                type.writeLong(blockBuilder, (Long) value);
            }
            else if (javaType == double.class) {
                type.writeDouble(blockBuilder, (Double) value);
            }
            else if (javaType == Slice.class) {
                Slice slice = (Slice) value;
                type.writeSlice(blockBuilder, slice, 0, slice.length());
            }
            else {
                throw new UnsupportedOperationException("not yet implemented: " + javaType);
            }
        }

        return blockBuilder.build();
    }
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        extends AbstractTestAggregationFunction
{
    @Override
    public Block getSequenceBlock(int start, int length)
    {
        BlockBuilder blockBuilder = BIGINT.createBlockBuilder(new BlockBuilderStatus());
        for (int i = start; i < start + length; i++) {
            BIGINT.writeLong(blockBuilder, i);
        }
        return blockBuilder.build();
    }
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        extends AbstractTestAggregationFunction
{
    @Override
    public Block getSequenceBlock(int start, int length)
    {
        BlockBuilder blockBuilder = BIGINT.createBlockBuilder(new BlockBuilderStatus());
        for (int i = start; i < start + length; i++) {
            BIGINT.writeLong(blockBuilder, i);
        }
        return blockBuilder.build();
    }
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        extends AbstractTestAggregationFunction
{
    @Override
    public Block getSequenceBlock(int start, int length)
    {
        BlockBuilder blockBuilder = BIGINT.createBlockBuilder(new BlockBuilderStatus());
        for (int i = start; i < start + length; i++) {
            BIGINT.writeLong(blockBuilder, i);
        }
        return blockBuilder.build();
    }
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        extends AbstractTestAggregationFunction
{
    @Override
    public Block getSequenceBlock(int start, int length)
    {
        BlockBuilder blockBuilder = DOUBLE.createBlockBuilder(new BlockBuilderStatus());
        for (int i = start; i < start + length; i++) {
            DOUBLE.writeDouble(blockBuilder, (double) i);
        }
        return blockBuilder.build();
    }
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Related Classes of com.facebook.presto.spi.block.BlockBuilder

  • com.facebook.presto.block.AbstractTestBlock
  • com.facebook.presto.block.BlockAssertions
  • com.facebook.presto.block.dictionary.TestDictionaryEncodedBlock
  • com.facebook.presto.block.TestBlockBuilder
  • com.facebook.presto.block.TestRunLengthEncodedBlock
  • com.facebook.presto.metadata.NativeRecordSink
  • com.facebook.presto.ml.EvaluateClassifierPredictionsAggregation$EvaluatePredictionsAccumulator
  • com.facebook.presto.ml.LearnAggregation$LearnAccumulator
  • com.facebook.presto.ml.LearnAggregation$LearnAccumulatorFactory$LearnAccumulator
  • com.facebook.presto.ml.LearnLibSvmAggregation$LearnAccumulator
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