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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2020/02/01 15:20:04 UTC

[GitHub] [flink] wuchong commented on issue #10989: [FLINK-15840][table-planner-blink] ClassCastException is thrown when use tEnv.from for temp/catalog table

wuchong commented on issue #10989: [FLINK-15840][table-planner-blink] ClassCastException is thrown when use tEnv.from for temp/catalog table
URL: https://github.com/apache/flink/pull/10989#issuecomment-581039730
 
 
   I find that Calcite `TableScanRule` uses `ViewExpanders.simpleContext` which isn't compliant with `CatalogSourceTable`. Is that possible to provide a new `TableScanRule` with the proper `FlinkToRelContext`?  cc @danny0405 
   
   I think in this way, watermark and computed column on Table API can also be supported in the future. 

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