apache / arrow-rsConditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 4,904 units with 84,649 lines of code in units (56.2% of code).

1 very complex units (177 lines of code)
3 complex units (408 lines of code)
21 medium complex units (1,904 lines of code)
111 simple units (6,485 lines of code)
4,768 very simple units (75,675 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
fn add_benchmark() in arrow/benches/comparison_kernels.rs	177	53	1
fn add_benchmark() in arrow/benches/filter_kernels.rs	159	42	1
fn add_benchmark() in arrow/benches/sort_kernel.rs	138	37	1
fn add_benchmark() in arrow/benches/cast_kernels.rs	111	29	1
fn add_primitive_type() in parquet/src/schema/parser.rs	203	21	3
fn add_benchmark() in arrow/benches/take_kernels.rs	91	20	1
fn test_primitive_type() in parquet/src/schema/types.rs	260	20	0
fn read_from_in_protocol() in parquet/src/format.rs	132	18	1
fn send_retry() in object_store/src/client/retry.rs	89	17	2
fn consume_batch() in parquet/src/arrow/array_reader/list_array.rs	91	17	1
fn consume_batch() in parquet/src/arrow/array_reader/fixed_size_list_array.rs	94	16	1
fn add_benchmark() in arrow/benches/arithmetic_kernels.rs	48	15	1
fn write_array_data() in arrow-ipc/src/writer.rs	139	15	9
fn ilike_scalar_op bool>() in arrow-string/src/like.rs	37	14	3
fn test_page_index_reader_all_type() in parquet/src/file/serialized_reader.rs	161	14	0
fn bench_primitive_writer() in parquet/benches/arrow_writer.rs	96	13	1
fn read_field() in parquet/src/record/reader.rs	73	13	1
fn consume() in parquet/src/arrow/record_reader/buffer.rs	19	13	1
fn parse_string_to_decimal_native() in arrow-cast/src/cast.rs	67	12	2
fn next() in parquet/src/arrow/arrow_reader/mod.rs	66	12	1
fn write_mini_batch() in parquet/src/column/writer/mod.rs	65	12	7
fn like_scalar_op>() in arrow-string/src/like.rs	39	11	3
def relabel_issue() in dev/release/label_issues.py	28	11	2
fn write_to_out_protocol() in parquet/src/format.rs	76	11	2
fn compare_greater_byte_array_decimals() in parquet/src/column/writer/mod.rs	30	11	2
fn validate_child_data() in arrow-data/src/data.rs	94	10	1
fn benchmark() in arrow/benches/buffer_create.rs	41	10	1
fn try_new_impl() in arrow-array/src/record_batch.rs	62	10	3
fn from_str() in arrow-cast/src/parse.rs	51	10	1
fn call() in arrow-flight/src/arrow.flight.protocol.rs	428	10	2
fn flush_block_values() in parquet/src/encodings/encoding/mod.rs	44	10	1
fn write_to_out_protocol() in parquet/src/format.rs	54	10	2
fn write_to_out_protocol() in parquet/src/format.rs	59	10	2
fn read_next() in parquet/src/record/triplet.rs	42	10	1
fn test_optional_to_writer_snippet() in parquet_derive/src/parquet_field.rs	71	10	0
fn try_from() in arrow-schema/src/ffi.rs	173	9	1
fn bitwise_array_benchmark() in arrow/benches/bitwise_kernel.rs	43	9	1
fn add_benchmark() in arrow/benches/equal.rs	22	9	1
fn add_benchmark() in arrow/benches/aggregate_kernels.rs	16	9	1
fn take_impl() in arrow-select/src/take.rs	121	9	3
fn take_bytes() in arrow-select/src/take.rs	66	9	2
fn criterion_benchmark() in arrow-buffer/benches/i256.rs	39	9	1
fn set_data() in parquet/src/encodings/decoding.rs	53	9	3
fn write_to_out_protocol() in parquet/src/format.rs	49	9	2
fn fmt() in parquet/src/record/api.rs	69	9	2
fn test_basic() in parquet/src/util/bit_pack.rs	31	9	0
fn consume_batch() in parquet/src/arrow/array_reader/struct_array.rs	57	9	1
fn write_list() in parquet/src/arrow/arrow_writer/levels.rs	77	9	5
fn write_struct() in parquet/src/arrow/arrow_writer/levels.rs	52	9	3
fn create_array() in arrow-ipc/src/reader.rs	124	8	2