Examples with GroupedAccumulatorState com.facebook.presto.spi.function.GroupedAccumulatorState used on opensource projects

Example 1 with GroupedAccumulatorState

use of com.facebook.presto.spi.function.GroupedAccumulatorState in project presto by prestodb.

the class TestStateCompiler method testComplexStateEstimatedSize.

@Test
public void testComplexStateEstimatedSize() {
    Map<String, Type> fieldMap = ImmutableMap.of("Block", new ArrayType(BIGINT), "AnotherBlock", new MapType(BIGINT, VARCHAR));
    AccumulatorStateFactory<TestComplexState> factory = StateCompiler.generateStateFactory(TestComplexState.class, fieldMap, new DynamicClassLoader(TestComplexState.class.getClassLoader()));
    TestComplexState groupedState = factory.createGroupedState();
    assertEquals(groupedState.getEstimatedSize(), 76064);
    for (int i = 0; i < 1000; i++) {
        ((GroupedAccumulatorState) groupedState).setGroupId(i);
        groupedState.setBoolean(true);
        groupedState.setLong(1);
        groupedState.setDouble(2.0);
        groupedState.setByte((byte) 3);
        groupedState.setSlice(utf8Slice("test"));
        groupedState.setAnotherSlice(wrappedDoubleArray(1.0, 2.0, 3.0));
        groupedState.setYetAnotherSlice(null);
        Block array = createLongsBlock(45);
        groupedState.setBlock(array);
        BlockBuilder mapBlockBuilder = new InterleavedBlockBuilder(ImmutableList.of(BIGINT, VARCHAR), new BlockBuilderStatus(), 1);
        BIGINT.writeLong(mapBlockBuilder, 123L);
        VARCHAR.writeSlice(mapBlockBuilder, utf8Slice("testBlock"));
        Block map = mapBlockBuilder.build();
        groupedState.setAnotherBlock(map);
        assertEquals(groupedState.getEstimatedSize(), 76064 + 1274 * (i + 1));
    }
    for (int i = 0; i < 1000; i++) {
        ((GroupedAccumulatorState) groupedState).setGroupId(i);
        groupedState.setBoolean(true);
        groupedState.setLong(1);
        groupedState.setDouble(2.0);
        groupedState.setByte((byte) 3);
        groupedState.setSlice(utf8Slice("test"));
        groupedState.setAnotherSlice(wrappedDoubleArray(1.0, 2.0, 3.0));
        groupedState.setYetAnotherSlice(null);
        Block array = createLongsBlock(45);
        groupedState.setBlock(array);
        BlockBuilder mapBlockBuilder = new InterleavedBlockBuilder(ImmutableList.of(BIGINT, VARCHAR), new BlockBuilderStatus(), 1);
        BIGINT.writeLong(mapBlockBuilder, 123L);
        VARCHAR.writeSlice(mapBlockBuilder, utf8Slice("testBlock"));
        Block map = mapBlockBuilder.build();
        groupedState.setAnotherBlock(map);
        assertEquals(groupedState.getEstimatedSize(), 76064 + 1274 * 1000);
    }
}