[GitHub] [arrow-datafusion] HaoYang670 commented on a diff in pull request #5188: bugfix: fix `TableScan` may contain fields not included in `schema`

["HaoYang670 (via GitHub)" <gi...@apache.org>]

HaoYang670 commented on code in PR #5188:
URL: https://github.com/apache/arrow-datafusion/pull/5188#discussion_r1098186569


##########
datafusion/optimizer/src/push_down_projection.rs:
##########
@@ -291,6 +291,10 @@ fn optimize_plan(
         // scans:
         // * remove un-used columns from the scan projection
         LogicalPlan::TableScan(scan) => {
+            // filter expr mayn't exist in expr in projection.

Review Comment:
   ```suggestion
               // filter expr may not exist in expr in projection.
   ```



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