CouponDOMapperExt.xml 412 B

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  1. <?xml version="1.0" encoding="UTF-8" ?>
  2. <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
  3. <mapper namespace="com.cdu.lys.graduation.repository.dao.ext.CouponDOMapperExt" >
  4. <update id="minusCouponNumber">
  5. UPDATE tb_coupon
  6. SET `number` = `number` - 1
  7. WHERE
  8. id =#{couponId} AND is_delete='n'
  9. </update>
  10. </mapper>