gen-code/gen/src/main/resources/mybatis/UpgradeMapper.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.gitee.gen.mapper.UpgradeMapper">

    <update id="runSql">
        ${sql}
    </update>

    <update id="addColumn">
        ALTER TABLE ${tableName} ADD ${columnName} ${type}
    </update>

    <update id="addColumnMysql">
        ALTER TABLE ${tableName} ADD COLUMN ${columnName} ${type}
    </update>

    <select id="listColumnInfo" resultType="com.gitee.gen.entity.ColumnInfo">
        PRAGMA table_info('${tableName}')
    </select>

    <select id="listColumnInfoMysql" resultType="com.gitee.gen.entity.ColumnInfo">
        select COLUMN_NAME as 'name', DATA_TYPE as 'type'
        from information_schema.COLUMNS
        where table_name = '${tableName}'
    </select>


    <select id="listTableName" resultType="String">
        SELECT name FROM sqlite_master WHERE type='table'
    </select>

    <select id="listTableNameMysql" resultType="String">
        SHOW TABLES
    </select>

</mapper>