[GitHub] [arrow] westonpace commented on issue #34644: [C++] Prefer unsafe casting by default in Substrait

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

westonpace commented on issue #34644:
URL: https://github.com/apache/arrow/issues/34644#issuecomment-1478724350

   It seems SQL server truncates so I think we'll need both behaviors.  Sounds like something else we will need to document more thoroughly in Substrait and will also need to be added to the list of dialect behaviors.  My original motivation was to allow float->int.  I'm pretty open to whatever default we want (e.g. allow float/decimal truncation but not integer truncation) but I believe @icexelloss wanted something more flexible than defaulting to "safe only".
   


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