Function apply_sqlite_connection_pragmas 

pub fn apply_sqlite_connection_pragmas(
    conn: &Connection,
    db_path: &str,
    options: &SqliteOpenOptions,
) -> Result<(), BoxError>

对已打开连接应用运行时级别的 pragma 和 tokenizer 初始化。 Apply runtime-level pragmas and tokenizer initialization to an opened connection.