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xy720 7a0c7f45b2 Add English documents for Doris (#1719 )

The english documents is translated by machine. So It may has some mistake.
We will fix them later

2019-08-29 13:47:15 +08:00

DROP FUNCTION

Description '35;'35;' 35; Syntax

DROP FUNCTION function_name
(angry type [...])

` function_name': To delete the name of the function

arg_type: To delete the parameter list of the function

Delete a custom function. The name of the function and the type of the parameter are exactly the same before they can be deleted.

'35;'35; example

DROP FUNCTION my_add(INT, INT)

##keyword DROP,FUNCTION