Examples with LongArrayBlockBuilder com.facebook.presto.common.block.LongArrayBlockBuilder used on opensource projects

Example 6 with LongArrayBlockBuilder

use of com.facebook.presto.common.block.LongArrayBlockBuilder in project presto by prestodb.

the class TestRunLengthEncodedBlock method testBuildingFromLongArrayBlockBuilder.

@Test
public void testBuildingFromLongArrayBlockBuilder() {
    LongArrayBlockBuilder blockBuilder = new LongArrayBlockBuilder(null, 100);
    populateNullValues(blockBuilder, 100);
    assertEquals(blockBuilder.build().getEncodingName(), RunLengthBlockEncoding.NAME);
}

Example 7 with LongArrayBlockBuilder

use of com.facebook.presto.common.block.LongArrayBlockBuilder in project presto by prestodb.

the class BenchmarkCopyBlock method copyBlockByWriteLong.

@Benchmark
public void copyBlockByWriteLong(BenchmarkData data) {
    LongArrayBlockBuilder longArrayBlockBuilder = new LongArrayBlockBuilder(null, POSITIONS_PER_PAGE);
    for (int i = 0; i < BLOCK_COUNT; i++) {
        Block block = data.blocks.get(i);
        int positionCount = block.getPositionCount();
        for (int j = 0; j < positionCount; j++) {
            longArrayBlockBuilder.writeLong(block.getLong(i));
        }
        Block outputBlock = longArrayBlockBuilder.build();
    }
}

Example 8 with LongArrayBlockBuilder

use of com.facebook.presto.common.block.LongArrayBlockBuilder in project presto by prestodb.

the class TestLongArrayBlock method createBlockBuilderWithValues.

private static BlockBuilder createBlockBuilderWithValues(Slice[] expectedValues) {
    LongArrayBlockBuilder blockBuilder = new LongArrayBlockBuilder(null, expectedValues.length);
    writeValues(expectedValues, blockBuilder);
    return blockBuilder;
}

Example 9 with LongArrayBlockBuilder

use of com.facebook.presto.common.block.LongArrayBlockBuilder in project presto by prestodb.

the class BenchmarkCopyBlock method copyBlockByAppend.

@Benchmark
public void copyBlockByAppend(BenchmarkData data) {
    LongArrayBlockBuilder longArrayBlockBuilder = new LongArrayBlockBuilder(null, POSITIONS_PER_PAGE);
    for (int i = 0; i < BLOCK_COUNT; i++) {
        Block block = data.blocks.get(i);
        int positionCount = block.getPositionCount();
        for (int j = 0; j < positionCount; j++) {
            BIGINT.appendTo(block, j, longArrayBlockBuilder);
        }
        Block outputBlock = longArrayBlockBuilder.build();
    }
}