Package com.facebook.presto.spi.block

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

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public class TestRunLengthEncodedBlockSerde
{
    @Test
    public void testRoundTrip()
    {
        Block value = VARCHAR.createBlockBuilder(new BlockBuilderStatus())
                .appendSlice(Slices.utf8Slice("alice"))
                .build();

        RunLengthEncodedBlock expectedBlock = new RunLengthEncodedBlock(value, 11);
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    }

    @Test
    public void testCreateBlockWriter()
    {
        Block expectedBlock = VARCHAR.createBlockBuilder(new BlockBuilderStatus())
                .appendSlice(Slices.utf8Slice("alice"))
                .appendSlice(Slices.utf8Slice("alice"))
                .appendSlice(Slices.utf8Slice("bob"))
                .appendSlice(Slices.utf8Slice("bob"))
                .appendSlice(Slices.utf8Slice("bob"))
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public class TestUncompressedBlockSerde
{
    @Test
    public void testRoundTrip()
    {
        Block expectedBlock = VARCHAR.createBlockBuilder(new BlockBuilderStatus())
                .appendSlice(Slices.utf8Slice("alice"))
                .appendSlice(Slices.utf8Slice("bob"))
                .appendSlice(Slices.utf8Slice("charlie"))
                .appendSlice(Slices.utf8Slice("dave"))
                .build();
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    }

    @Test
    public void testCreateBlockWriter()
    {
        Block block = VARCHAR.createBlockBuilder(new BlockBuilderStatus())
                .appendSlice(Slices.utf8Slice("alice"))
                .appendSlice(Slices.utf8Slice("bob"))
                .appendSlice(Slices.utf8Slice("charlie"))
                .appendSlice(Slices.utf8Slice("dave"))
                .build();

        DynamicSliceOutput sliceOutput = new DynamicSliceOutput(1024);
        BlockEncoding blockEncoding = new UncompressedEncoder(sliceOutput).append(block).append(block).finish();
        Block actualBlock = blockEncoding.readBlock(sliceOutput.slice().getInput());
        BlockAssertions.assertBlockEquals(actualBlock, VARCHAR.createBlockBuilder(new BlockBuilderStatus())
                .appendSlice(Slices.utf8Slice("alice"))
                .appendSlice(Slices.utf8Slice("bob"))
                .appendSlice(Slices.utf8Slice("charlie"))
                .appendSlice(Slices.utf8Slice("dave"))
                .appendSlice(Slices.utf8Slice("alice"))
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        extends AbstractTestBlockCursor
{
    @Override
    protected RunLengthEncodedBlockCursor createTestCursor()
    {
        Block value = VARCHAR.createBlockBuilder(new BlockBuilderStatus())
                .appendNull()
                .build();

        return new RunLengthEncodedBlock(value, 11).cursor();
    }
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public class TestPagesSerde
{
    @Test
    public void testRoundTrip()
    {
        Block expectedBlock = VARCHAR.createBlockBuilder(new BlockBuilderStatus())
                .appendSlice(Slices.utf8Slice("alice"))
                .appendSlice(Slices.utf8Slice("bob"))
                .appendSlice(Slices.utf8Slice("charlie"))
                .appendSlice(Slices.utf8Slice("dave"))
                .build();
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    }

    @Test
    public void testBigintSerializedSize()
    {
        BlockBuilder builder = BIGINT.createBlockBuilder(new BlockBuilderStatus());

        // empty page
        Page page = new Page(builder.build());
        int pageSize = serializedSize(page);
        assertEquals(pageSize, 26); // page overhead
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    }

    @Test
    public void testVarcharSerializedSize()
    {
        BlockBuilder builder = VARCHAR.createBlockBuilder(new BlockBuilderStatus());

        // empty page
        Page page = new Page(builder.build());
        int pageSize = serializedSize(page);
        assertEquals(pageSize, 27); // page overhead
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        extends AbstractTestBlockCursor
{
    @Override
    protected RunLengthEncodedBlockCursor createTestCursor()
    {
        Block value = VARCHAR.createBlockBuilder(new BlockBuilderStatus())
                .appendSlice(Slices.utf8Slice("cherry"))
                .build();

        return new RunLengthEncodedBlock(value, 11).cursor();
    }
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public class TestDictionaryEncodedBlockSerde
{
    @Test
    public void testRoundTrip()
    {
        Block block = VARCHAR.createBlockBuilder(new BlockBuilderStatus())
                .appendSlice(Slices.utf8Slice("alice"))
                .appendSlice(Slices.utf8Slice("bob"))
                .appendSlice(Slices.utf8Slice("charlie"))
                .appendSlice(Slices.utf8Slice("dave"))
                .build();

        DynamicSliceOutput sliceOutput = new DynamicSliceOutput(1024);
        BlockEncoding blockEncoding = new DictionaryEncoder(new UncompressedEncoder(sliceOutput)).append(block).append(block).append(block).finish();
        Block actualBlock = blockEncoding.readBlock(sliceOutput.slice().getInput());
        assertBlockEquals(actualBlock, VARCHAR.createBlockBuilder(new BlockBuilderStatus())
                .appendSlice(Slices.utf8Slice("alice"))
                .appendSlice(Slices.utf8Slice("bob"))
                .appendSlice(Slices.utf8Slice("charlie"))
                .appendSlice(Slices.utf8Slice("dave"))
                .appendSlice(Slices.utf8Slice("alice"))
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Related Classes of com.facebook.presto.spi.block.BlockBuilderStatus

  • com.facebook.presto.block.AbstractTestBlock
  • com.facebook.presto.block.BlockAssertions
  • com.facebook.presto.block.BlockAssertions$BlockIterableBuilder
  • com.facebook.presto.block.dictionary.TestDictionaryEncodedBlock
  • com.facebook.presto.block.dictionary.TestDictionaryEncodedBlockCursor
  • com.facebook.presto.block.dictionary.TestDictionaryEncodedBlockCursorWithNulls
  • com.facebook.presto.block.rle.TestRunLengthEncodedBlockCursor
  • com.facebook.presto.block.rle.TestRunLengthEncodedBlockCursorWithNull
  • com.facebook.presto.block.TestBlockBuilder
  • com.facebook.presto.ml.EvaluateClassifierPredictionsAggregation$EvaluatePredictionsAccumulator
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