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

Example 6 with VariableWidthBlockBuilder

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

the class TestInt128ArrayBlock method testLazyBlockBuilderInitialization.

@Test
public void testLazyBlockBuilderInitialization() {
    Slice[] expectedValues = createTestValue(100);
    BlockBuilder emptyBlockBuilder = new VariableWidthBlockBuilder(null, 0, 0);
    BlockBuilder blockBuilder = new VariableWidthBlockBuilder(null, expectedValues.length, 32 * 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());
}

Example 7 with VariableWidthBlockBuilder

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

the class TestLongArrayBlock method testLazyBlockBuilderInitialization.

@Test
public void testLazyBlockBuilderInitialization() {
    Slice[] expectedValues = createTestValue(100);
    BlockBuilder emptyBlockBuilder = new VariableWidthBlockBuilder(null, 0, 0);
    BlockBuilder blockBuilder = new VariableWidthBlockBuilder(null, expectedValues.length, 32 * 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());
}

Example 8 with VariableWidthBlockBuilder

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

the class TestRunLengthEncodedBlock method createSingleValueBlock.

private static Block createSingleValueBlock(Slice expectedValue) {
    BlockBuilder blockBuilder = new VariableWidthBlockBuilder(null, 1, expectedValue.length());
    blockBuilder.writeBytes(expectedValue, 0, expectedValue.length()).closeEntry();
    return blockBuilder.build();
}

Example 9 with VariableWidthBlockBuilder

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

the class TestVariableWidthBlock method testLazyBlockBuilderInitialization.

@Test
public void testLazyBlockBuilderInitialization() {
    Slice[] expectedValues = createExpectedValues(100);
    BlockBuilder emptyBlockBuilder = new VariableWidthBlockBuilder(null, 0, 0);
    BlockBuilder blockBuilder = new VariableWidthBlockBuilder(null, expectedValues.length, 32 * 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());
}

Example 10 with VariableWidthBlockBuilder

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

the class MapFlatSelectiveStreamReader method getSliceKeysBlock.

private Block getSliceKeysBlock(List<DwrfSequenceEncoding> sequenceEncodings) {
    int bytes = 0;
    for (DwrfSequenceEncoding sequenceEncoding : sequenceEncodings) {
        bytes += sequenceEncoding.getKey().getBytesKey().size();
    }
    VariableWidthBlockBuilder builder = new VariableWidthBlockBuilder(null, sequenceEncodings.size(), bytes);
    for (int i = 0; i < keyCount; i++) {
        Slice key = Slices.wrappedBuffer(sequenceEncodings.get(keyIndices[i]).getKey().getBytesKey().toByteArray());
        builder.writeBytes(key, 0, key.length());
        builder.closeEntry();
    }
    return builder.build();
}