public static AggregationUnit create()

in features/sharding/core/src/main/java/org/apache/shardingsphere/sharding/merge/dql/groupby/aggregation/AggregationUnitFactory.java [40:59]

• 20 lines of code
• 12 McCabe index (conditional complexity)

    public static AggregationUnit create(final AggregationType type, final boolean isDistinct, final String separator) {
        switch (type) {
            case MAX:
                return new ComparableAggregationUnit(false);
            case MIN:
                return new ComparableAggregationUnit(true);
            case SUM:
                return isDistinct ? new DistinctSumAggregationUnit() : new AccumulationAggregationUnit();
            case COUNT:
                return isDistinct ? new DistinctCountAggregationUnit() : new AccumulationAggregationUnit();
            case AVG:
                return isDistinct ? new DistinctAverageAggregationUnit() : new AverageAggregationUnit();
            case BIT_XOR:
                return new BitXorAggregationUnit();
            case GROUP_CONCAT:
                return isDistinct ? new DistinctGroupConcatAggregationUnit(separator) : new GroupConcatAggregationUnit(separator);
            default:
                throw new UnsupportedSQLOperationException(type.name());
        }
    }