gunshi-project-ss/src/main/resources/mapper/StWaterRRealMapper.xml

<?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="com.gunshi.project.xyt.mapper.StWaterRRealMapper">

    <select id="listRelated" resultType="com.gunshi.project.xyt.model.StWaterRReal">
        SELECT stb.stcd, stb.sttp, t.tm, t.q, t.v
        FROM public.st_stbprp_b stb
            LEFT JOIN public.st_water_r_real t ON t.stcd = stb.stcd
        <where>
            stb.sttp in ('QQ', 'PQ')
        </where>
    </select>
</mapper>