| checkLegalityBeforeTypeCoercion() |   | 55% | | 50% | 3 | 5 | 3 | 8 | 0 | 1 |
| Histogram(boolean, Expression, Expression) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| Histogram(boolean, Expression) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| getDistinctArguments() | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| withDistinctAndChildren(boolean, List) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| Histogram(boolean, List) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| accept(ExpressionVisitor, Object) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| resultForEmptyInput() | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| Histogram(AggregateFunctionParams) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| getSignatures() | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| static {...} | | 100% | | n/a | 0 | 1 | 0 | 5 | 0 | 1 |
| Histogram(Expression, Expression) | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| Histogram(Expression) | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |