[GitHub] [arrow-datafusion] alamb commented on issue #4615: Don't ignore failed optimizer rules

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

alamb commented on issue #4615:
URL: https://github.com/apache/arrow-datafusion/issues/4615#issuecomment-1369030203

   I believe that the SQL standard says it is "implementation defined":
   
   > 6.3.3.3 Rule evaluation order
   
   ...
   
   > Where the precedence is not determined by the Formats or by parentheses, effective evaluation of expressions
   is generally performed from left to right. However, it is implementation-dependent whether expressions are
   actually evaluated left to right, particularly when operands or operators might cause conditions to be raised or
   if the results of the expressions can be determined without completely evaluating all parts of the expression.


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