Method func_callback

crates/stdlib/src/_sqlite3.rs:447–472

(
            context: *mut sqlite3_context,
            argc: c_int,
            argv: *mut *mut sqlite3_value,
        )

        }

        unsafe extern "C" fn func_callback(
            context: *mut sqlite3_context,
            argc: c_int,
            argv: *mut *mut sqlite3_value,
        ) {
            let context = SqliteContext::from(context);
            let (func, vm) = unsafe { (*context.user_data::<Self>()).retrieve() };
            let args = unsafe { core::slice::from_raw_parts(argv, argc as usize) };

            let f = || -> PyResult<()> {
                let db = context.db_handle();
                let args = args
                    .iter()
                    .cloned()
                    .map(|val| value_to_object(val, db, vm))
                    .collect::<PyResult<Vec<PyObjectRef>>>()?;

                let val = func.call(args, vm)?;

                context.result_from_object(&val, vm)
            };

            if let Err(exc) = f() {
                context.result_exception(vm, exc, "user-defined function raised exception\0")
            }
        }

        unsafe extern "C" fn step_callback(
            context: *mut sqlite3_context,