| checkLegalityAfterRewrite() |  | 0% | | 0% | 9 | 9 | 16 | 16 | 1 | 1 |
| checkLegalityBeforeTypeCoercion() | | 0% | | 0% | 4 | 4 | 7 | 7 | 1 | 1 |
| withDistinctAndChildren(boolean, List) | | 0% | | 0% | 3 | 3 | 2 | 2 | 1 | 1 |
| resultForEmptyInput() | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| PercentileApproxArray(Expression, Expression, Expression) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| PercentileApproxArray(Expression, Expression) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| accept(ExpressionVisitor, Object) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| PercentileApproxArray(AggregateFunctionParams) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| getSignatures() | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| getDistinctArguments() |  | 90% | | 50% | 1 | 2 | 0 | 1 | 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 |