awslabs / aws-athena-query-federation
Conditional Complexity

The distribution of complexity of units (measured with McCabe index).

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).
Learn more...
Conditional Complexity Overall
  • There are 2,041 units with 21,912 lines of code in units (66.3% of code).
    • 0 very complex units (0 lines of code)
    • 9 complex units (1,092 lines of code)
    • 41 medium complex units (2,435 lines of code)
    • 124 simple units (3,543 lines of code)
    • 1,867 very simple units (14,842 lines of code)
0% | 4% | 11% | 16% | 67%
Legend:
51+
26-50
11-25
6-10
1-5
Alternative Visuals
Conditional Complexity per Extension
51+
26-50
11-25
6-10
1-5
java0% | 4% | 11% | 16% | 67%
Conditional Complexity per Logical Component
primary logical decomposition
51+
26-50
11-25
6-10
1-5
athena-federation-sdk0% | 9% | 6% | 9% | 75%
athena-jdbc0% | 6% | 9% | 15% | 68%
athena-elasticsearch0% | 6% | 11% | 37% | 44%
athena-vertica0% | 0% | 40% | 4% | 55%
athena-aws-cmdb0% | 0% | 21% | 10% | 68%
athena-neptune0% | 0% | 50% | 26% | 22%
athena-docdb0% | 0% | 32% | 21% | 46%
athena-dynamodb0% | 0% | 12% | 41% | 46%
athena-cloudwatch-metrics0% | 0% | 27% | 24% | 48%
athena-timestream0% | 0% | 13% | 29% | 56%
athena-redis0% | 0% | 5% | 26% | 68%
athena-tpcds0% | 0% | 16% | 9% | 73%
athena-hbase0% | 0% | 4% | 12% | 82%
athena-federation-sdk-tools0% | 0% | 0% | 29% | 70%
athena-federation-integ-test0% | 0% | 0% | 12% | 87%
athena-cloudwatch0% | 0% | 0% | 15% | 84%
athena-udfs0% | 0% | 0% | 30% | 69%
athena-example0% | 0% | 0% | 0% | 100%
Most Complex Units
Top 20 most complex units
Unit# linesMcCabe index# params
protected static void writeMapValue()
in athena-federation-sdk/src/main/java/com/amazonaws/athena/connector/lambda/data/BlockUtils.java
162 41 4
public static void setValue()
in athena-federation-sdk/src/main/java/com/amazonaws/athena/connector/lambda/data/BlockUtils.java
151 40 3
protected static void writeListValue()
in athena-federation-sdk/src/main/java/com/amazonaws/athena/connector/lambda/data/BlockUtils.java
151 39 4
protected static void writeStructValue()
in athena-federation-sdk/src/main/java/com/amazonaws/athena/connector/lambda/data/BlockUtils.java
151 39 4
private Object coerceField()
in athena-elasticsearch/src/main/java/com/amazonaws/athena/connectors/elasticsearch/ElasticsearchFieldResolver.java
91 32 2
private Extractor makeExtractor()
in athena-jdbc/src/main/java/com/amazonaws/athena/connectors/jdbc/manager/JdbcRecordHandler.java
93 29 3
public static int compare()
in athena-federation-sdk/src/main/java/com/amazonaws/athena/connector/lambda/data/ArrowTypeComparator.java
73 29 3
public static String fieldToString()
in athena-federation-sdk/src/main/java/com/amazonaws/athena/connector/lambda/data/BlockUtils.java
67 27 1
private Extractor makeExtractor()
in athena-federation-sdk/src/main/java/com/amazonaws/athena/connector/lambda/handlers/UserDefinedFunctionHandler.java
153 26 3
private Extractor makeExtractor()
in athena-vertica/src/main/java/com/amazonaws/athena/connectors/vertica/VerticaRecordHandler.java
150 25 3
private static String normalizeZoneId()
in athena-federation-sdk/src/main/java/com/amazonaws/athena/connector/lambda/data/TimeZoneKey.java
57 25 1
private void instanceToRow()
in athena-aws-cmdb/src/main/java/com/amazonaws/athena/connectors/aws/cmdb/tables/RdsTableProvider.java
127 23 2
public static void writeRowTemplate()
in athena-neptune/src/main/java/com/amazonaws/athena/connectors/neptune/propertygraph/rowwriters/VertexRowWriter.java
90 22 2
public static String generateSingleColumnFilter()
in athena-dynamodb/src/main/java/com/amazonaws/athena/connectors/dynamodb/util/DDBPredicateUtils.java
82 22 5
private static String toPredicate()
in athena-timestream/src/main/java/com/amazonaws/athena/connectors/timestream/query/PredicateBuilder.java
72 22 2
public static void unsetRow()
in athena-federation-sdk/src/main/java/com/amazonaws/athena/connector/lambda/data/BlockUtils.java
73 22 2
private static String toPredicate()
in athena-vertica/src/main/java/com/amazonaws/athena/connectors/vertica/query/PredicateBuilder.java
64 21 4
private String toPredicate()
in athena-jdbc/src/main/java/com/amazonaws/athena/connectors/jdbc/manager/JdbcSplitQueryBuilder.java
66 21 4
public static void writeRowTemplate()
in athena-neptune/src/main/java/com/amazonaws/athena/connectors/neptune/propertygraph/rowwriters/EdgeRowWriter.java
105 20 2
public static Field inferArrowField()
in athena-dynamodb/src/main/java/com/amazonaws/athena/connectors/dynamodb/util/DDBTypeUtils.java
68 20 2