[GitHub] [arrow-datafusion] Dandandan commented on a diff in pull request #7670: Don't add filters to projection in TableScan

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

Dandandan commented on code in PR #7670:
URL: https://github.com/apache/arrow-datafusion/pull/7670#discussion_r1339957196


##########
datafusion/optimizer/src/push_down_projection.rs:
##########
@@ -147,10 +147,6 @@ impl OptimizerRule for PushDownProjection {
                 if !scan.projected_schema.fields().is_empty() =>
             {
                 let mut used_columns: HashSet<Column> = HashSet::new();
-                // filter expr may not exist in expr in projection.

Review Comment:
   This added filters to the projection since https://github.com/apache/arrow-datafusion/pull/5188 
   
   FYI @jackwener 



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