| checkLegalityAfterRewrite() |   | 73% |   | 56% | 7 | 9 | 6 | 16 | 0 | 1 |
| checkLegalityBeforeTypeCoercion() |   | 51% |   | 66% | 2 | 4 | 4 | 7 | 0 | 1 |
| resultForEmptyInput() |  | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| withDistinctAndChildren(boolean, List) |   | 95% |   | 75% | 1 | 3 | 0 | 2 | 0 | 1 |
| static {...} |  | 100% | | n/a | 0 | 1 | 0 | 5 | 0 | 1 |
| PercentileApproxArray(boolean, Expression, Expression, Expression) |  | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| PercentileApproxArray(boolean, Expression, Expression) |  | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| PercentileApproxArray(Expression, Expression, Expression) |  | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| PercentileApproxArray(Expression, Expression) |  | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| accept(ExpressionVisitor, Object) |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| PercentileApproxArray(AggregateFunctionParams) |  | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| getSignatures() |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |