Structsยง
LogicalAgg
groups input data by their group key and computes aggregation functions.LogicalAggBuilder
extracts agg calls and references to group columns from select list and build the plan likeLogicalAgg - LogicalProject
. it is constructed bygroup_exprs
and collect and rewrite the expression in selection and having clause.SeparatedAggInfo
is used to separate normal and approx percentile aggs.
Functionsยง
- new_
stream_ ๐hash_ agg