<?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="jnpf.mapper.BigDataMapper">
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<select id="maxCode" resultType="java.lang.Integer">
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SELECT MAX(F_EN_CODE) FROM ext_big_data
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</select>
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</mapper>
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