| checkLegalityAfterRewrite() |   | 74% |   | 50% | 4 | 5 | 3 | 9 | 0 | 1 |
| withDistinctAndChildren(boolean, List) |   | 93% |   | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| checkLegalityBeforeTypeCoercion() |  | 100% |   | 80% | 2 | 6 | 0 | 10 | 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 |
| PercentileReservoir(Expression, Expression) |  | 100% | | n/a | 0 | 1 | 0 | 2 | 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 |