Type Alias Udf_func_add 

pub type Udf_func_add = Option<unsafe extern "C" fn(initid: *mut UDF_INIT, args: *const UDF_ARGS, is_null: *mut c_uchar, error: *mut c_uchar)>;

Function signature of an xxx_add(...) aggregate function

Aliased Type

pub enum Udf_func_add {
    None,
    Some(unsafe extern "C" fn(*mut UDF_INIT, *const UDF_ARGS, *mut u8, *mut u8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut UDF_INIT, *const UDF_ARGS, *mut u8, *mut u8))

Some value of type T.