KurtYoung commented on a change in pull request #10224:
[FLINK-14716][table-planner-blink] Cooperate computed column with push down
rules
URL: https://github.com/apache/flink/pull/10224#discussion_r347076314
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File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/rules/logical/PushProjectIntoTableSourceScanRule.scala
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@@ -64,7 +67,7 @@ class PushProjectIntoTableSourceScanRule extends RelOptRule(
return
}
- val relOptTable = scan.getTable.asInstanceOf[FlinkRelOptTable]
+ val relOptTable = scan.getTable.asInstanceOf[FlinkPreparingTableBase]
Review comment:
You can cast to `TableSourceTable` here and no need to do `unwrap` in the
following line, since we already checked this in `matches` method
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