How to sort by time by MyBatis
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MyBatis sorts test code by time ActivityReadExample readExample = new ActivityReadExample (); readExample.setOrderByClause ("create_time desc"); ActivityReadExample.Criteria criteria1 = readExample.createCriteria (); criteria1.andActivityIdEqualTo (activity.getId ()); List reads = activityReadMapper.selectByExample (readExample); sorting code readExample.setOrderByClause ("create_time desc"); MyBatis time sorting problem
The create_time field is of type DateTime in the data
The corresponding member variable type in the entity class after reverse engineering is Date.
The time sort code is
Test results:
The timing is out of order.
Solution method
1. Create fields of type varchar in the database, generate String type after reverse engineering, insert the database with new Date () in the java business layer, and then use
Example1.setOrderByClause ("create_time desc")
Sorting can be achieved.
2. Use the primary key (id) to sort, instead of time sorting.
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