doujubeng2942 2016-02-02 05:33
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外键自动插入值

How to auto insert values from TBL_PACKAGE into foreign key on TBL_MEMBER?

Example : If I have two tables like :

TBL_MEMBER

+----+-----------+---------------+-----------------+
| ID | USER_NAME | PACKAGE_ID_FK | UPDATE_TIMES_FK |
+----+-----------+---------------+-----------------+
|            No data available in table            |
+----+-----------+---------------+-----------------+

TBL_PACKAGE

+----+--------------+--------------+
| ID | PACKAGE_NAME | UPDATE_TIMES |
+----+--------------+--------------+
|  1 | FREE         |            5 |
|  2 | PREMIUM      |           10 |
+----+--------------+--------------+

When USER1 has been registered USER1 will be gets FREE package Then PACKAGE_ID_FK will auto insert value into 1 and UPDATE_TIMES_FK auto insert value into 5.

TBL_MEMBER should look like this :

+----+-----------+---------------+-----------------+
| ID | USER_NAME | PACKAGE_ID_FK | UPDATE_TIMES_FK |
+----+-----------+---------------+-----------------+
|  1 | USER1     |             1 |               5 |
+----+-----------+---------------+-----------------+

And when registered user buy a PREMIUM package that will auto set PACKAGE_ID_FK value into 2 and UPDATE_TIMES_FK value into 10.

TBL_MEMBER should look like this after USER1 buy a PREMIUM package :

+----+-----------+---------------+-----------------+
| ID | USER_NAME | PACKAGE_ID_FK | UPDATE_TIMES_FK |
+----+-----------+---------------+-----------------+
|  1 | USER1     |             2 |              10 |
+----+-----------+---------------+-----------------+
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