pub fn generate_agg_schema(
input_ref: &Executor,
agg_calls: &[AggCall],
group_key_indices: Option<&[usize]>,
) -> Schema
Expand description
Generate aggExecuter’s schema from input
, agg_calls
and group_key_indices
.
For crate::executor::HashAggExecutor
, the group key indices should be provided.