Jark Wu created FLINK-14716:
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Summary: Cooperate computed column with project push down
Key: FLINK-14716
URL: https://issues.apache.org/jira/browse/FLINK-14716
Project: Flink
Issue Type: Bug
Components: Table SQL / Planner
Reporter: Jark Wu
In FLINK-14665, we supported computed column in planner. However, the
implementation of {{TableSourceTable#getRowType}} will include computed columns
which is possibly not right, because computed column is generated in the
downstream Project, not in the source scan.
This is possibly lead to errors when push project into source scan which will
call {{TableSourceTable#getRowType}} in the rule. Currently, all the tests are
passed because we don't have a test to cover this, i.e. computed column on a
projectable TableSource. We should at least add a test to cover this.
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