9 lines
430 B
XML
9 lines
430 B
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.cultural.heritage.mapper.CouponMapper">
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<select id="verifyIsReachTheUpperLimit" resultType="Integer">
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select sum(quantity) from exchange_record where userId = #{userId} and couponId = #{couponId}
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</select>
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</mapper> |