liukun4515 commented on a change in pull request #1326:
URL: https://github.com/apache/arrow-datafusion/pull/1326#discussion_r753617212
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File path: datafusion/src/logical_plan/plan.rs
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@@ -154,16 +167,17 @@ pub enum LogicalPlan {
},
/// Aggregates its input based on a set of grouping and aggregate
/// expressions (e.g. SUM).
- Aggregate {
- /// The incoming logical plan
- input: Arc<LogicalPlan>,
- /// Grouping expressions
- group_expr: Vec<Expr>,
- /// Aggregate expressions
- aggr_expr: Vec<Expr>,
- /// The schema description of the aggregate output
- schema: DFSchemaRef,
- },
+ // Aggregate {
Review comment:
in the final version, we should remove these useless code
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