jackylee-ch commented on PR #12699:
URL: https://github.com/apache/gluten/pull/12699#issuecomment-5238205956

   I did notice that we still have several plan-level configurations, for 
example:
   
   * `spark.gluten.sql.columnar.appendData`
   * `spark.gluten.sql.columnar.replaceData`
   * `spark.gluten.sql.columnar.overwriteByExpression`
   * `spark.gluten.sql.columnar.overwritePartitionsDynamic`
   * `spark.gluten.sql.columnar.writeToDataSourceV2`
   
   My understanding is that these options are mainly used to control fallback 
for specific plans or write paths, rather than enabling or disabling a generic 
capability.
   
   Considering that Gluten may support more table/file formats in the future, I 
think these plan-level switches can still be useful as fine-grained fallback 
controls, especially when support varies across formats or backends. Therefore, 
I prefer to keep them as-is for now rather than consolidating or removing them 
as part of this change.
   


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