MySQL connection recognition failed

[WmaxJ]

#534 (comment)
I have the same issue as in this connection, but I have doubled the @ symbol according to the document and the result remains unchanged. Can you help me take a look at this issue；

--
LOAD DATABASE
FROM mysql://root::like@@Sql!@localhost:3306/egw
INTO postgresql://postgres:mypgpass@localhost:5432/egw

WITH include drop, create tables, create indexes

SET PostgreSQL PARAMETERS
maintenance_work_mem to '128MB',
work_mem to '12MB',
search_path to 'egw, public, "$user"'

CAST type bigint when (= precision 20) to bigserial drop typemod,
type date drop not null drop default using zero-dates-to-null,
type year to integer

BEFORE LOAD DO
$$ create schema if not exists engage; $$;

---

FATAL error: Failed to open sqlite file #P"/mysql:/root:like@@Sql!!@localhost:3306/egw.load": Could not open sqlite3 database /mysql:/root:like@@Sql!@localhost:3306/egw.load
Code CANTOPEN: no message.
An unhandled error condition has been signalled:
Failed to open sqlite file #P"/mysql:/root:like@@Sql!@172.31.15.13:3306/egw.load": Could not open sqlite3 database /mysql:/root:like@@Sql!@172.31.15.13:3306/egw.load
Code CANTOPEN: no message.