comphead commented on code in PR #8920:
URL: https://github.com/apache/arrow-datafusion/pull/8920#discussion_r1461015772
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datafusion/core/src/physical_planner.rs:
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@@ -719,14 +720,16 @@ impl DefaultPhysicalPlanner {
}
let logical_input_schema = input.schema();
- let physical_input_schema = input_exec.schema();
+ // Extend the schema to include window expression fields
as builtin window functions derives its datatype from incoming schema
Review Comment:
input schema is schema from previous plan node(no window expressions). afaik
windows expression column being added separately
https://github.com/apache/arrow-datafusion/blob/0116e2a9b4a3ed4491802e19195769b96b7a971a/datafusion/expr/src/logical_plan/plan.rs#L2045
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