imback82 commented on issue #27532: [SPARK-30782][SQL] Column resolution 
doesn't respect current catalog/namespace for v2 tables.
URL: https://github.com/apache/spark/pull/27532#issuecomment-584943281
 
 
   In contrast, Hive doesn't like the syntax
   ```
   %jdbc(hive)
   select tbl.t8 from default.tbl;
   # this works
   
   %jdbc(hive)
   select default.tbl.t8 from default.tbl;
   org.apache.hive.service.cli.HiveSQLException: Error while compiling 
statement: FAILED: SemanticException [Error 10004]: Line 1:7 Invalid table 
alias or column reference 'default': (possible column names are: t8, t9)
   ```

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