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27 lines
976 B
27 lines
976 B
<?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.example.demo.mapper.Temporary.RedMapper">
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<insert id="upsertAndAdd" parameterType="map">
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INSERT INTO red (jwcode, type, sum)
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VALUES (
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#{jwcode},
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#{type},
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#{sum}
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)
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ON DUPLICATE KEY UPDATE
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sum = sum + #{sum}
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</insert>
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<update id="update">
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update red set sum = sum - #{sum} where jwcode = #{jwcode} and type = #{type}
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</update>
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<select id="selectSum" resultType="java.math.BigDecimal">
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select sum from red where jwcode=#{jwcode} and type=#{type}
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</select>
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<select id="selectJwcode" resultType="boolean">
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SELECT EXISTS(
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SELECT 1 FROM red WHERE jwcode = #{jwcode}
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)
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</select>
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</mapper>
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