Package com.facebook.presto.block.rle

Examples of com.facebook.presto.block.rle.RunLengthEncodedBlock

88
89
90
91
92
93
94
95
        Block nullValueBlock = parameterTypes.get(0).createBlockBuilder(new BlockBuilderStatus())
                .appendNull()
                .build();

        Block block = new RunLengthEncodedBlock(nullValueBlock, 10);
        testAggregation(getExpectedValueIncludingNulls(0, 0, 10), block);
    }
View Full Code Here
396
397
398
399
400
401
402
    {
        Block value = BOOLEAN.createBlockBuilder(new BlockBuilderStatus())
                .appendNull()
                .build();

        return new RunLengthEncodedBlock(value, positionCount);
    }
View Full Code Here
369
370
371
372
373
374
375
    private static RunLengthEncodedBlock createRLEBlock(double percentile, int positionCount)
    {
        BlockBuilder blockBuilder = DOUBLE.createBlockBuilder(new BlockBuilderStatus());
        DOUBLE.writeDouble(blockBuilder, percentile);
        return new RunLengthEncodedBlock(blockBuilder.build(), positionCount);
    }
View Full Code Here
383
384
385
386
387
388
389
390
391
392
393
                newPages[i] = page;
            }
            else {
                Block[] newBlocks = new Block[page.getChannelCount() + offset];
                for (int channel = 0; channel < offset; channel++) {
                    newBlocks[channel] = new RunLengthEncodedBlock(NULL_BOOLEAN_TUPLE, page.getPositionCount());
                }
                for (int channel = 0; channel < page.getBlocks().length; channel++) {
                    newBlocks[channel + offset] = page.getBlocks()[channel];
                }
                newPages[i] = new Page(page.getPositionCount(), newBlocks);
View Full Code Here
61
62
63
64
65
66
67
68
69
70
71
        return this;
    }

    private void writeBlock()
    {
        RunLengthEncodedBlock block = new RunLengthEncodedBlock(lastValue, positionCount);

        encoding.writeBlock(sliceOutput, block);
        lastValue = null;
        positionCount = 0;
    }
View Full Code Here
38
39
40
41
42
43
44
45
46
47
48
49
50
51
    {
        Block value = VARCHAR.createBlockBuilder(new BlockBuilderStatus())
                .appendSlice(Slices.utf8Slice("alice"))
                .build();

        RunLengthEncodedBlock expectedBlock = new RunLengthEncodedBlock(value, 11);

        DynamicSliceOutput sliceOutput = new DynamicSliceOutput(1024);
        RunLengthBlockEncoding blockEncoding = new RunLengthBlockEncoding(new VariableWidthBlockEncoding(VARCHAR));
        blockEncoding.writeBlock(sliceOutput, expectedBlock);
        RunLengthEncodedBlock actualBlock = blockEncoding.readBlock(sliceOutput.slice().getInput());
        assertTrue(actualBlock.equalTo(0, expectedBlock, 0));
        BlockAssertions.assertBlockEquals(actualBlock, expectedBlock);
    }
View Full Code Here
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
        BlockEncoding blockEncoding = new RunLengthEncoder(sliceOutput).append(expectedBlock).finish();
        SliceInput sliceInput = sliceOutput.slice().getInput();

        Block block = blockEncoding.readBlock(sliceInput);
        assertInstanceOf(block, RunLengthEncodedBlock.class);
        RunLengthEncodedBlock rleBlock = (RunLengthEncodedBlock) block;
        assertTrue(rleBlock.equalTo(0, expectedBlock, 0));
        assertEquals(rleBlock.getPositionCount(), 2);
        assertEquals(rleBlock.getSlice(0).toStringUtf8(), "alice");

        block = blockEncoding.readBlock(sliceInput);
        assertInstanceOf(block, RunLengthEncodedBlock.class);
        rleBlock = (RunLengthEncodedBlock) block;
        assertTrue(rleBlock.equalTo(0, expectedBlock, 2));
        assertEquals(rleBlock.getPositionCount(), 4);
        assertEquals(rleBlock.getSlice(0).toStringUtf8(), "bob");

        block = blockEncoding.readBlock(sliceInput);
        assertInstanceOf(block, RunLengthEncodedBlock.class);
        rleBlock = (RunLengthEncodedBlock) block;
        assertTrue(rleBlock.equalTo(0, expectedBlock, 6));
        assertEquals(rleBlock.getPositionCount(), 6);
        assertEquals(rleBlock.getSlice(0).toStringUtf8(), "charlie");

        assertFalse(sliceInput.isReadable());
    }
View Full Code Here
64
65
66
67
68
69
70
71
72
73
74
        return this;
    }

    private void writeBlock()
    {
        RunLengthEncodedBlock block = new RunLengthEncodedBlock(lastValue, positionCount);

        encoding.writeBlock(sliceOutput, block);
        lastValue = null;
        positionCount = 0;
    }
View Full Code Here
48
49
50
51
52
53
54
55
    @Override
    public void testAllPositionsNull()
            throws Exception
    {
        Block nullsBlock = new RunLengthEncodedBlock(nullTuple(getSequenceBlock(0, 10).getTupleInfo()), 11);
        testMultiplePositions(nullsBlock, 10L, 10);
    }
View Full Code Here
63
64
65
66
67
68
69
70
    @Override
    public void testVectorAllPositionsNull()
            throws Exception
    {
        Block nullsBlock = new RunLengthEncodedBlock(nullTuple(getSequenceBlock(0, 10).getTupleInfo()), 10);
        testVectorMultiplePositions(nullsBlock, 10L);
    }
View Full Code Here
TOP

Related Classes of com.facebook.presto.block.rle.RunLengthEncodedBlock

  • com.facebook.presto.block.TestRunLengthEncodedBlock
  • com.facebook.presto.operator.aggregation.AbstractTestAggregationFunction
  • com.facebook.presto.operator.aggregation.AggregationTestUtils
  • com.facebook.presto.operator.aggregation.TestApproximatePercentileAggregation
  • com.facebook.presto.operator.aggregation.TestCountAggregation
  • com.facebook.presto.serde.RunLengthBlockEncoding
  • com.facebook.presto.serde.RunLengthEncoder
  • com.facebook.presto.serde.TestRunLengthEncodedBlockSerde
  • io.airlift.units.DataSize
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.