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

Example 1 with ByteArrayBlockBuilder

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

the class TestRunLengthEncodedBlock method testBuildingFromByteArrayBlockBuilder.

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

Example 2 with ByteArrayBlockBuilder

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

the class TestByteArrayBlock method createBlockBuilderWithValues.

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

Example 3 with ByteArrayBlockBuilder

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

the class TestByteArrayBlock method testLazyBlockBuilderInitialization.

@Test
public void testLazyBlockBuilderInitialization() {
    Slice[] expectedValues = createTestValue(100);
    BlockBuilder emptyBlockBuilder = new ByteArrayBlockBuilder(null, 0);
    BlockBuilder blockBuilder = new ByteArrayBlockBuilder(null, expectedValues.length);
    assertEquals(blockBuilder.getSizeInBytes(), emptyBlockBuilder.getSizeInBytes());
    assertEquals(blockBuilder.getRetainedSizeInBytes(), emptyBlockBuilder.getRetainedSizeInBytes());
    writeValues(expectedValues, blockBuilder);
    assertTrue(blockBuilder.getSizeInBytes() > emptyBlockBuilder.getSizeInBytes());
    assertTrue(blockBuilder.getRetainedSizeInBytes() > emptyBlockBuilder.getRetainedSizeInBytes());
    blockBuilder = blockBuilder.newBlockBuilderLike(null);
    assertEquals(blockBuilder.getSizeInBytes(), emptyBlockBuilder.getSizeInBytes());
    assertEquals(blockBuilder.getRetainedSizeInBytes(), emptyBlockBuilder.getRetainedSizeInBytes());
}