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Signed-off-by: Richard Chien <[email protected]>
risingwavelabs · Oct 8, 2023 · 3747f48 · 3747f48
1 parent 3d96b86
commit 3747f48
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/frontend/src/optimizer/rule/agg_call_merge_rule.rs b/src/frontend/src/optimizer/rule/agg_call_merge_rule.rs
@@ -17,6 +17,7 @@ use crate::optimizer::plan_node::generic::Agg;
 use crate::optimizer::plan_node::{LogicalProject, PlanTreeNodeUnary};
 use crate::PlanRef;
 
+/// Merges duplicated aggregate function calls in `LogicalAgg`, and project them back to the desired schema.
 pub struct AggCallMergeRule {}
 
 impl Rule for AggCallMergeRule {