abhioncbr commented on issue #10921:
URL: https://github.com/apache/pinot/issues/10921#issuecomment-1606536699

   I tried to use the [Calcite SqlAdvisor 
code](https://github.com/apache/calcite/blob/main/core/src/main/java/org/apache/calcite/sql/advise/SqlAdvisor.java#L603)
 mentioned in my above comment for the below incorrect query
   
   ```SELECT intCol FROMM select_expression_test_tbl1```
    
   and the error message I got for the above query is below
   ```
   Encountered "select_expression_test_tbl1" at line 1, column 21.
   Was expecting one of:
       <EOF> 
       "EXCEPT" ...
       "FETCH" ...
       "FROM" ...
       "INTERSECT" ...
       "LIMIT" ...
       "OFFSET" ...
       "ORDER" ...
       "MINUS" ...
       "UNION" ...
       "," ...
   ```
   
   It is a bit much better than our current exception message content
   ```
   Encountered " <IDENTIFIER> "select_expression_test_tbl1 "" at line 1, column 
21.
   Was expecting:
       <EOF> 
   ```
   
   I am not sure if it's more helpful or not. 
   
   @walterddr do you have any ideas around this? Thanks


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