[GitHub] [incubator-doris] wangshuo128 commented on pull request #9436: [Spark Load]fix min_value of GlobalDict will be negative number in spark load

[GitBox <gi...@apache.org>]

wangshuo128 commented on PR #9436:
URL: https://github.com/apache/incubator-doris/pull/9436#issuecomment-1120162257

   > @wangshuo128 Is there any window function like **row_num** return-type is **Long** in spark?
   
   The data type of Spark builtin function `row_number` is `Integer`, please see 
   https://github.com/apache/spark/blob/2349f74866ae1b365b5e4e0ec8a58c4f7f06885c/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/windowExpressions.scala#L564
   
   If you want to have a long type `row_number` function, you could implement a UDAF yourself.


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