Method trace_callback

crates/stdlib/src/_sqlite3.rs:591–606

(
            _typ: c_uint,
            data: *mut c_void,
            stmt: *mut c_void,
            sql: *mut c_void,
        )

        }

        unsafe extern "C" fn trace_callback(
            _typ: c_uint,
            data: *mut c_void,
            stmt: *mut c_void,
            sql: *mut c_void,
        ) -> c_int {
            let (callable, vm) = unsafe { (*data.cast::<Self>()).retrieve() };
            let expanded = unsafe { sqlite3_expanded_sql(stmt.cast()) };
            let f = || -> PyResult<()> {
                let stmt = ptr_to_str(expanded, vm).or_else(|_| ptr_to_str(sql.cast(), vm))?;
                callable.call((stmt,), vm)?;
                Ok(())
            };
            let _ = f();
            0
        }

        unsafe extern "C" fn progress_callback(data: *mut c_void) -> c_int {
            let (callable, vm) = unsafe { (*data.cast::<Self>()).retrieve() };