| resultForEmptyInput() |  | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| checkLegalityAfterRewrite() |  | 96% | | 75% | 4 | 9 | 2 | 16 | 0 | 1 |
| withDistinctAndChildren(boolean, List) | | 95% | | 75% | 1 | 3 | 0 | 2 | 0 | 1 |
| static {...} | | 100% | | n/a | 0 | 1 | 0 | 5 | 0 | 1 |
| checkLegalityBeforeTypeCoercion() | | 100% | | 100% | 0 | 4 | 0 | 7 | 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 |