adriangb commented on code in PR #24166:
URL: https://github.com/apache/datafusion/pull/24166#discussion_r3743684721
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datafusion/physical-plan/src/aggregates/mod.rs:
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@@ -2139,8 +2139,32 @@ impl ExecutionPlan for AggregateExec {
) -> Result<Option<datafusion_proto_models::protobuf::PhysicalPlanNode>> {
use datafusion_proto_models::protobuf;
- let input = ctx.encode_child(self.input())?;
- let group_by = self.group_expr();
+ // Exhaustive destructure: adding a field to `AggregateExec` without
+ // deciding how it is serialized is a compile error, not a silent
+ // round-trip gap.
+ let Self {
+ mode,
+ group_by,
+ aggr_expr,
+ filter_expr,
+ limit_options,
+ input,
+ // Derived at construction by `create_schema` from `input_schema`,
Review Comment:
https://github.com/apache/datafusion/issues/24202
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