Type Alias pgrx_pg_sys::SubXactCallback

pub type SubXactCallback = Option<unsafe extern "C" fn(event: SubXactEvent, mySubid: SubTransactionId, parentSubid: SubTransactionId, arg: *mut c_void)>;

Aliased Type

enum SubXactCallback {
    None,
    Some(unsafe extern "C" fn(_: u32, _: u32, _: u32, _: *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: u32, _: u32, _: u32, _: *mut c_void))

Some value of type T.