MoniCompanyMapper.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.subsidy.mapper.MoniCompanyMapper">

    <select id="limitNData" resultType="com.subsidy.model.MoniCompanyDO">
        SELECT
            t2.id,
            t2.company_desc,
            t2.company_industry,
            t2.company_job,
            t2.company_name,
            t2.content,
            t2.demands,
            t2.job_major,
            t2.location,
            t2.numbers,
            t2.requirement,
            t2.salary,
            t2.years
        FROM
            moni_company t2
            LEFT JOIN moni_job_major t ON t2.job_major = t.job_type
        WHERE
            t.major_type = #{majorType}
    </select>

    <select id="majorColleges" parameterType="string" resultType="com.subsidy.vo.simulation.MajorCollegesVO">
        SELECT
            t.id,
            t3.college_name
        FROM
            moni_major t
            LEFT JOIN moni_college_major_mapping t2 ON t.id = t2.major_id
            LEFT JOIN moni_college t3 ON t2.college_id = t3.id
        WHERE
            t.major_type = #{majorType}
    </select>

    <select id="majorCompanies" parameterType="string" resultType="com.subsidy.vo.simulation.MajorCompaniesVO">
        SELECT
            t2.id,
            t2.company_desc,
            t2.company_industry,
            t2.company_job,
            t2.company_name,
            t2.content,
            t2.demands,
            t2.job_major,
            t2.location,
            t2.numbers,
            t2.requirement,
            t2.salary,
            t2.years
        FROM
            moni_job_major t
            LEFT JOIN moni_company t2 ON t.job_type = t2.job_major
        WHERE
             t.major_type = #{majorType}
        limit 700000
    </select>

</mapper>