<?xml version="1.0" encoding="UTF-8"?>
|
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
|
<mapper namespace="cc.mrbird.febs.dapp.mapper.DappChargeUsdtMapper">
|
|
<select id="selectByMaxAmountMemberId" resultType="java.math.BigDecimal">
|
select ifnull(MAX(amount),0)
|
from dapp_charge_usdt
|
where member_id = #{memberId}
|
</select>
|
|
</mapper>
|
