2020-05-02 / 4657阅 / 悠然
将列添加到数据库表(如果尚不存在)。
(string)
(Required)
The table name to modify.
(string)
(Required)
The column name to add to the table.
(string)
(Required)
The SQL statement used to add the column.
(bool) True if already exists or on successful completion, false on error.