gengliangwang commented on PR #46013:
URL: https://github.com/apache/spark/pull/46013#issuecomment-2050941358

   >And what about the default values of the ANI-related sub-configurations, 
such as
   spark.sql.ansi.enforceReservedKeywords
   spark.sql.ansi.relationPrecedence
   spark.sql.ansi.doubleQuotedIdentifiers
   
   @yaooqinn I wouldn't recommend enabling these sub flags. They are off by 
default in ANSI mode for reasons. Many of the workloads will just fail in the 
parser/analyzer and the failures won't cause data quality issues.  Also, there 
is no easy workaround like "try_*" functions.


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