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Posted to github@arrow.apache.org by "kou (via GitHub)" <gi...@apache.org> on 2023/09/01 21:21:14 UTC

[GitHub] [arrow] kou commented on pull request #37528: GH-37527: [Java] Allow FlightInfo#Schema to be nullable for long-running queries

kou commented on PR #37528:
URL: https://github.com/apache/arrow/pull/37528#issuecomment-1703331770

   It seems that the current implementation already accepts the empty schema message. And an empty schema is used for the case.
   
   https://github.com/apache/arrow/blob/a43206846a02028fc2ac5091c388aa65b07799c1/java/flight/flight-core/src/main/java/org/apache/arrow/flight/FlightInfo.java#L115-L118
   
   How about passing an empty instead of accepting `null` schema when we can't create a schema for long-running queries?
   What is the difference of the above explicit empty schema approach and your suggested implicit empty schema approach? Easy to write?


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