14 lines
625 B
XML
14 lines
625 B
XML
<?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="top.charles7c.continew.admin.system.mapper.MessageUserMapper">
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<select id="selectUnreadCountByUserIdAndType" resultType="Long">
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SELECT
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COUNT(t1.`message_id`)
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FROM `sys_message_user` AS t1
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LEFT JOIN `sys_message` AS t2 ON t2.`id` = t1.`message_id`
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WHERE t1.`user_id` = #{userId} AND t1.`is_read` = 0
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<if test="type != null">
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AND t2.`type` = #{type}
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</if>
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</select>
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</mapper> |