Usage of BaseMapper @TableLogic annotation

Effect: Add this annotation to the field and then execute the delete method of BaseMapper, the delete method will become a modification

Example:

　　Entity class:　　　  　

@TableLogic(delval = "2")
private Integer deleted;

　  service layer:
　　　　　　call deleteById(id) of BaseMapper; //id is the primary key corresponding to the entity

　execution is the effect:

　　　　　　In the case of adding @TableLogic

　　　　　　sql: UPDATE table name SET deleted=2 WHERE id=? AND deleted=0

　　　　　   without @TableLogic

　　　　　　Take delete from table name where id=value

　@TableLogic annotation parameters

　　　　value = "" Default original value

　　　　delval = "" deleted value

　　　　@TableLogic(value="original value",delval="change value")