Package com.facebook.presto.spi.block

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

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        super(new TypeRegistry().getType("map<bigint,varchar>"), Map.class, createTestBlock(new TypeRegistry().getType("map<bigint,varchar>")));
    }

    public static Block createTestBlock(Type arrayType)
    {
        BlockBuilder blockBuilder = arrayType.createBlockBuilder(new BlockBuilderStatus());
        VARCHAR.writeString(blockBuilder, "{\"1\":\"hi\"}");
        VARCHAR.writeString(blockBuilder, "{\"1\":\"2\",\"2\":\"hello\"}");
        return blockBuilder.build();
    }
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        return createStringsBlock(Arrays.asList(values));
    }

    public static Block createStringsBlock(Iterable<String> values)
    {
        BlockBuilder builder = VARCHAR.createBlockBuilder(new BlockBuilderStatus());

        for (String value : values) {
            if (value == null) {
                builder.appendNull();
            }
            else {
                VARCHAR.writeString(builder, value);
            }
        }

        return builder.build();
    }
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        return builder.build();
    }

    public static Block createStringSequenceBlock(int start, int end)
    {
        BlockBuilder builder = VARCHAR.createBlockBuilder(new BlockBuilderStatus());

        for (int i = start; i < end; i++) {
            VARCHAR.writeString(builder, String.valueOf(i));
        }

        return builder.build();
    }
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        return createBooleansBlock(Collections.nCopies(count, value));
    }

    public static Block createBooleansBlock(Iterable<Boolean> values)
    {
        BlockBuilder builder = BOOLEAN.createBlockBuilder(new BlockBuilderStatus());

        for (Boolean value : values) {
            if (value == null) {
                builder.appendNull();
            }
            else {
                BOOLEAN.writeBoolean(builder, value);
            }
        }

        return builder.build();
    }
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    }

    // This method makes it easy to create blocks without having to add an L to every value
    public static Block createLongsBlock(int... values)
    {
        BlockBuilder builder = BIGINT.createBlockBuilder(new BlockBuilderStatus());

        for (int value : values) {
            BIGINT.writeLong(builder, (long) value);
        }

        return builder.build();
    }
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        return createLongsBlock(Arrays.asList(values));
    }

    public static Block createLongsBlock(Iterable<Long> values)
    {
        BlockBuilder builder = BIGINT.createBlockBuilder(new BlockBuilderStatus());

        for (Long value : values) {
            if (value == null) {
                builder.appendNull();
            }
            else {
                BIGINT.writeLong(builder, value);
            }
        }

        return builder.build();
    }
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        return builder.build();
    }

    public static Block createLongSequenceBlock(int start, int end)
    {
        BlockBuilder builder = BIGINT.createBlockBuilder(new BlockBuilderStatus());

        for (int i = start; i < end; i++) {
            BIGINT.writeLong(builder, i);
        }

        return builder.build();
    }
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        return builder.build();
    }

    public static Block createBooleanSequenceBlock(int start, int end)
    {
        BlockBuilder builder = BOOLEAN.createBlockBuilder(new BlockBuilderStatus());

        for (int i = start; i < end; i++) {
            BOOLEAN.writeBoolean(builder, i % 2 == 0);
        }

        return builder.build();
    }
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        return createDoublesBlock(Arrays.asList(values));
    }

    public static Block createDoublesBlock(Iterable<Double> values)
    {
        BlockBuilder builder = DOUBLE.createBlockBuilder(new BlockBuilderStatus());

        for (Double value : values) {
            if (value == null) {
                builder.appendNull();
            }
            else {
                DOUBLE.writeDouble(builder, value);
            }
        }

        return builder.build();
    }
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        return builder.build();
    }

    public static Block createDoubleSequenceBlock(int start, int end)
    {
        BlockBuilder builder = DOUBLE.createBlockBuilder(new BlockBuilderStatus());

        for (int i = start; i < end; i++) {
            DOUBLE.writeDouble(builder, (double) i);
        }

        return builder.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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