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3.3
DROP FUNCTION
¶
Drop a function.
Table of Contents
Description¶
DROP FUNCTION
drops a function. A function name and argument types must be
specified.
Parameters¶
- IF EXISTS
Do not produce an error if the function doesn’t exist.
- function_name
The name of the function to drop.
- arg_name
The name given to an argument.
Function arguments do not retain names, but you can name them in your query for documentation purposes. Note that
DROP FUNCTION
will ignore argument names, since only the argument data types are needed to identify the function.- arg_type
The data type of an argument, if any.
See Data Types for more information about the supported types.