[GitHub] [drill] arina-ielchiieva commented on issue #1835: DRILL-7337: Add vararg UDFs support

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arina-ielchiieva commented on issue #1835: DRILL-7337: Add vararg UDFs support
URL: https://github.com/apache/drill/pull/1835#issuecomment-517998861
 
 
   Also could you please show how varargs functions will be described in `sys.functions` table. Do we need new flag to filter them out?
   Example:
   ```
   apache drill (sys)> select * from sys.functions limit 2;
   +------+---------------------------------+------------+----------+----------+
   | name |            signature            | returnType |  source  | internal |
   +------+---------------------------------+------------+----------+----------+
   | !=   | BIGINT-REQUIRED,BIGINT-REQUIRED | BIT        | built-in | false    |
   | !=   | BIT-REQUIRED,BIT-REQUIRED       | BIT        | built-in | false    |
   +------+---------------------------------+------------+----------+----------+
   ```

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