<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="cc.mrbird.febs.mall.mapper.MallProductBuyMapper">
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<select id="selectMemberIdAndNFTIdAndStateAndMateState" resultType="cc.mrbird.febs.mall.entity.MallProductBuy">
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select * from mall_product_buy
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<where>
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member_id = #{memberId}
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and product_nft_id = #{productNFTId}
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<if test="state != null">
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and state = #{state}
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</if>
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<if test="mateState != null">
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and mate_state = #{mateState}
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</if>
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</where>
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</select>
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</mapper>
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