risingwave_frontend::optimizer::plan_node

Module logical_agg

Source

Structs§

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

Functions§

find_or_append_row_count 🔒
new_stream_hash_agg 🔒
new_stream_simple_agg 🔒