apache / doris-streamloader - Conditional 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 40 units with 843 lines of code in units (78.6% of code).

0 very complex units (0 lines of code)
1 complex units (100 lines of code)
3 medium complex units (182 lines of code)
5 simple units (156 lines of code)
31 very simple units (405 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 40 most complex units

Unit	# lines	McCabe index	# params
func paramCheck() in main.go	100	27	0
func() in reader/reader.go	67	19	1
func() in loader/stream_loader.go	57	12	1
func NewFileReader() in reader/reader.go	58	12	7
func calculateAndCheckWorkers() in main.go	25	9	2
func() in loader/stream_loader.go	39	8	1
func() in report/reporter.go	40	7	1
func() in loader/stream_loader.go	33	6	1
func() in reader/reader.go	19	6	1
func() in loader/stream_loader.go	26	5	1
func main() in main.go	28	5	0
func() in loader/stream_loader.go	14	4	1
func() in loader/stream_loader.go	29	4	1
func() in loader/stream_loader.go	11	4	1
func main() in gen_version.go	15	4	0
func InitLog() in utils/log.go	34	4	1
func humanReadableBytes() in report/reporter.go	12	4	1
func() in loader/stream_loader.go	17	3	1
func initFlags() in main.go	89	3	0
func restoreHexEscapes() in main.go	14	3	1
func NopCloser() in loader/nop_closer.go	6	2	1
func getGitCommit() in gen_version.go	7	2	0
func getGitTag() in gen_version.go	7	2	0
func getProgressBar() in report/reporter.go	11	2	3
func getEmptyBar() in report/reporter.go	7	2	1
func() in reader/reader.go	5	2	1
func createQueues() in main.go	5	2	1
func NewStreamLoad() in loader/stream_loader.go	16	1	11
func() in loader/stream_loader.go	3	1	1
func() in loader/stream_loader.go	6	1	1
func() in loader/stream_loader.go	4	1	1
func() in loader/nop_closer.go	1	1	1
func() in loader/nop_closer.go	1	1	1
func() in loader/nop_closer.go	3	1	1
func init() in utils/log.go	4	1	0
func NewReporter() in report/reporter.go	11	1	3
func() in report/reporter.go	3	1	1
func() in report/reporter.go	4	1	1
func() in report/reporter.go	4	1	1
func createStreamLoad() in main.go	8	1	2