Istvan Toth created PHOENIX-6668:
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Summary: Spark3 connector cannot distinguish column name cases
Key: PHOENIX-6668
URL: https://issues.apache.org/jira/browse/PHOENIX-6668
Project: Phoenix
Issue Type: Bug
Reporter: Istvan Toth
The Spark2 connector handled lowercase and mixed case column names correctly in
DataFrame definitions.
Spark3 only does case-insensitive column resolving, and even
_spark.sql.caseSensitive_ doesn't seem to do anything, neither backquouting.
Again, this is not something that can likely be fixes from the Phoenix side
without changes in Spark, and this ticket is mainy for documenting this
regression.
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