cloud-fan commented on a change in pull request #35147:
URL: https://github.com/apache/spark/pull/35147#discussion_r786003631
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/SchemaPruning.scala
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@@ -179,12 +187,15 @@ object SchemaPruning extends Rule[LogicalPlan] {
// We need to replace the expression ids of the pruned relation output
attributes
// with the expression ids of the original relation output attributes so
that
// references to the original relation's output are not broken
Review comment:
let's update the comment:
```
// We need to update the data type of the output attributes to use the
// pruned ones.
```
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