feat: add aggregation-related intermediate AST conversions #32
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Rationale for this change
This is the first PR in generalization of
GroupByExpr
. Following conventions from datafusion we allowAggregateExpr
so that provable aggregations can be expressed inProvableExprPlan
and provide relevant conversion.What changes are included in this PR?
AggregateExpr
which allows expressions such assum(a+b)
to becomeProvableExprPlan
Expression
->ProvableExprPlan
for aggregationsAre these changes tested?
Existing tests should pass.