alamb commented on issue #2978:
URL: 
https://github.com/apache/arrow-datafusion/issues/2978#issuecomment-1241162837

   >  Is there a plan to support backtick (`) for "Quoted identifier"?
   
   I don't know of any plans @ray-andrew  -- I think the backtick is a mysql 
syntax  where the postgres dialect, that DataFusion follows,  uses `"`
   
   Here is mysql:
   
   ```sql
   mysql> select * from bar;
   +------+
   | x    |
   +------+
   |    1 |
   | NULL |
   +------+
   2 rows in set (0.01 sec)
   
   mysql> select `x` from bar;
   +------+
   | x    |
   +------+
   |    1 |
   | NULL |
   +------+
   2 rows in set (0.00 sec)
   
   mysql> select "x" from bar;
   +---+
   | x |
   +---+
   | x |
   | x |
   +---+
   2 rows in set (0.00 sec)
   ```


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