Re: [PR] Fix: handle NULL input in lead window function [datafusion]

["HuSen8891 (via GitHub)" <gi...@apache.org>]

HuSen8891 commented on PR #12811:
URL: https://github.com/apache/datafusion/pull/12811#issuecomment-2401092415

   > Thanks @HuSen8891 I have some feeling that we should fix the out_data_type earlier so it will serve both LAG/LEAD
   
   Thanks! handle NULL input in lag window function


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