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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2021/02/10 02:03:37 UTC

[GitHub] [beam] amaliujia edited a comment on pull request #13898: [BEAM-11747] Make BeamCalcRel safe for ZetaSQL

amaliujia edited a comment on pull request #13898:
URL: https://github.com/apache/beam/pull/13898#issuecomment-776378220


   I am still not sure why we should reject Int64 type for UDF.
   
   Assuming a UDF is defined as `package com.xxx.client; class name; public Long udf(Long a)`, the code gen will generate code for UDF like `Long n = com.xxx.client.name.udf((Long) value)`.
   
   In this case, the value is from Row thus is compatible with ZetaSQL, the return value is still Java object which is also be compatible with ZetaSQL.


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