<?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="com.whyc.mapper.BattRtstateMapper">
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<select id="getBattRealHr" resultType="com.whyc.dto.Real.RealDateDTO">
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select * from db_ram_db.tb_batt_rtstate
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where battgroup_id=#{battgroupId}
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limit 1
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</select>
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</mapper>
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