| checkLegalityBeforeTypeCoercion() |   | 64% | | 60% | 4 | 6 | 4 | 10 | 0 | 1 |
| checkLegalityAfterRewrite() | | 74% | | 50% | 4 | 5 | 3 | 9 | 0 | 1 |
| PercentileReservoir(Expression, Expression) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| withDistinctAndChildren(boolean, List) | | 93% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| getDistinctArguments() | | 90% | | 50% | 1 | 2 | 0 | 1 | 0 | 1 |
| PercentileReservoir(boolean, boolean, Expression, Expression) | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| static {...} | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| PercentileReservoir(boolean, Expression, Expression) | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| withAlwaysNullable(boolean) | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| accept(ExpressionVisitor, Object) | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| PercentileReservoir(NullableAggregateFunctionParams) | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| getSignatures() | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |