quote
“Yes this is the train of thought, judgment first,then if not is added ......
But how to write in the file 3.sql ？As far as I know sqlite isn't support T-Sql、SP、Temporary variable assignment etc, so I confused is how to write this judgment in the file 3.sql .”
look this page ：https://github.com/pardom/ActiveAndroid/issues/485
quote “Yes this is the train of thought, judgment first,then if not is added ...... But how to write in the file 3.sql ？As far as I know sqlite isn't support T-Sql、SP、Temporary variable assignment etc, so I confused is how to write this judgment in the file 3.sql .” look this page ：https://github.com/pardom/ActiveAndroid/issues/485