keyboard_backend/src/main/resources/mapper/KeyboardUserMapper.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.yolo.keyborad.mapper.KeyboardUserMapper">
  <resultMap id="BaseResultMap" type="com.yolo.keyborad.model.entity.KeyboardUser">
    <!--@mbg.generated-->
    <!--@Table keyboard_user-->
    <id column="id" jdbcType="BIGINT" property="id" />
    <result column="uid" jdbcType="BIGINT" property="uid" />
    <result column="nick_name" jdbcType="VARCHAR" property="nickName" />
    <result column="gender" jdbcType="INTEGER" property="gender" />
    <result column="avatar_url" jdbcType="VARCHAR" property="avatarUrl" />
    <result column="created_at" jdbcType="TIMESTAMP" property="createdAt" />
    <result column="updated_at" jdbcType="TIMESTAMP" property="updatedAt" />
    <result column="deleted" jdbcType="BOOLEAN" property="deleted" />
    <result column="email" jdbcType="VARCHAR" property="email" />
    <result column="status" jdbcType="BOOLEAN" property="status" />
    <result column="password" jdbcType="VARCHAR" property="password" />
    <result column="subject_id" jdbcType="VARCHAR" property="subjectId" />
    <result column="email_verified" jdbcType="BOOLEAN" property="emailVerified" />
  </resultMap>
  <sql id="Base_Column_List">
    <!--@mbg.generated-->
    id, "uid", nick_name, gender, avatar_url, created_at, updated_at, deleted, email, 
    "status", "password", subject_id, email_verified
  </sql>

  <update id="updateByuid">
        update keyboard_user
        <set>
            <if test="nickName != null">nick_name = #{nickName},</if>
            <if test="gender != null">gender = #{gender},</if>
            <if test="avatarUrl != null">avatar_url = #{avatarUrl},</if>
            <if test="email != null">email = #{email},</if>
        </set>
        where uid = #{uid}
    </update>
</mapper>