Examples with BlockBuilder com.facebook.presto.spi.block.BlockBuilder used on opensource projects

Example 46 with BlockBuilder

use of com.facebook.presto.spi.block.BlockBuilder in project presto by prestodb.

the class TestStateCompiler method testNonPrimitiveSerialization.

@Test
public void testNonPrimitiveSerialization() {
    AccumulatorStateFactory<SliceState> factory = StateCompiler.generateStateFactory(SliceState.class);
    AccumulatorStateSerializer<SliceState> serializer = StateCompiler.generateStateSerializer(SliceState.class);
    SliceState state = factory.createSingleState();
    SliceState deserializedState = factory.createSingleState();
    state.setSlice(null);
    BlockBuilder nullBlockBuilder = VARCHAR.createBlockBuilder(new BlockBuilderStatus(), 1);
    serializer.serialize(state, nullBlockBuilder);
    Block nullBlock = nullBlockBuilder.build();
    serializer.deserialize(nullBlock, 0, deserializedState);
    assertEquals(deserializedState.getSlice(), state.getSlice());
    state.setSlice(utf8Slice("test"));
    BlockBuilder builder = VARCHAR.createBlockBuilder(new BlockBuilderStatus(), 1);
    serializer.serialize(state, builder);
    Block block = builder.build();
    serializer.deserialize(block, 0, deserializedState);
    assertEquals(deserializedState.getSlice(), state.getSlice());
}

Example 47 with BlockBuilder

use of com.facebook.presto.spi.block.BlockBuilder in project presto by prestodb.

the class TestTypedHeap method test.

private static void test(IntStream inputStream, BlockComparator comparator, PrimitiveIterator.OfInt outputIterator) {
    BlockBuilder blockBuilder = BIGINT.createBlockBuilder(new BlockBuilderStatus(), INPUT_SIZE);
    inputStream.forEach(x -> BIGINT.writeLong(blockBuilder, x));
    TypedHeap heap = new TypedHeap(comparator, BIGINT, OUTPUT_SIZE);
    heap.addAll(blockBuilder);
    BlockBuilder resultBlockBuilder = BIGINT.createBlockBuilder(new BlockBuilderStatus(), OUTPUT_SIZE);
    heap.popAll(resultBlockBuilder);
    Block resultBlock = resultBlockBuilder.build();
    assertEquals(resultBlock.getPositionCount(), OUTPUT_SIZE);
    for (int i = 0; i < OUTPUT_SIZE; i++) {
        assertEquals(BIGINT.getLong(resultBlock, i), outputIterator.nextInt());
    }
}

Example 48 with BlockBuilder

use of com.facebook.presto.spi.block.BlockBuilder in project presto by prestodb.

the class TestDecimalAverageAggregation method addToState.

private static void addToState(LongDecimalWithOverflowAndLongState state, BigInteger value) {
    BlockBuilder blockBuilder = TYPE.createFixedSizeBlockBuilder(1);
    TYPE.writeSlice(blockBuilder, unscaledDecimal(value));
    DecimalAverageAggregation.inputLongDecimal(TYPE, state, blockBuilder.build(), 0);
}

Example 49 with BlockBuilder

use of com.facebook.presto.spi.block.BlockBuilder in project presto by prestodb.

the class TestDecimalSumAggregation method addToState.

private static void addToState(LongDecimalWithOverflowState state, BigInteger value) {
    BlockBuilder blockBuilder = TYPE.createFixedSizeBlockBuilder(1);
    TYPE.writeSlice(blockBuilder, unscaledDecimal(value));
    DecimalSumAggregation.inputLongDecimal(TYPE, state, blockBuilder.build(), 0);
}

Example 50 with BlockBuilder

use of com.facebook.presto.spi.block.BlockBuilder in project presto by prestodb.

the class TestMapAggAggregation method testDoubleMapMap.

@Test
public void testDoubleMapMap() throws Exception {
    MapType innerMapType = new MapType(VARCHAR, VARCHAR);
    MapType mapType = new MapType(DOUBLE, innerMapType);
    InternalAggregationFunction aggFunc = metadata.getFunctionRegistry().getAggregateFunctionImplementation(new Signature(NAME, AGGREGATE, mapType.getTypeSignature(), parseTypeSignature(StandardTypes.DOUBLE), innerMapType.getTypeSignature()));
    BlockBuilder builder = innerMapType.createBlockBuilder(new BlockBuilderStatus(), 3);
    innerMapType.writeObject(builder, mapBlockOf(VARCHAR, VARCHAR, ImmutableMap.of("a", "b")));
    innerMapType.writeObject(builder, mapBlockOf(VARCHAR, VARCHAR, ImmutableMap.of("c", "d")));
    innerMapType.writeObject(builder, mapBlockOf(VARCHAR, VARCHAR, ImmutableMap.of("e", "f")));
    assertAggregation(aggFunc, ImmutableMap.of(1.0, ImmutableMap.of("a", "b"), 2.0, ImmutableMap.of("c", "d"), 3.0, ImmutableMap.of("e", "f")), createDoublesBlock(1.0, 2.0, 3.0), builder.build());
}