samples/AuthenticationServer/src/main/resources/config/UserMapper.xml

<?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">
<mapper namespace="org.apache.servicecomb.authentication.user.UserMapper">
  <resultMap id="userInfo"
    type="org.apache.servicecomb.authentication.user.UserInfo">
    <result column="ID" property="id" />
    <result column="USER_NAME" property="username" />
    <result column="PASSWORD" property="password" />
    <result column="ACCOUNT_NON_EXPIRED" property="accountNonExpired" />
    <result column="ACCOUNT_NON_LOCKED" property="accountNonLocked" />
    <result column="CREDENTIALS_NON_EXPIRED" property="credentialsNonExpired" />
    <result column="ENABLED" property="enabled" />
  </resultMap>

  <sql id="all_column">
    ID, USER_NAME, PASSWORD, ACCOUNT_NON_EXPIRED,
    ACCOUNT_NON_LOCKED,
    CREDENTIALS_NON_EXPIRED, ENABLED
  </sql>

  <select id="selectUserByUsername" parameterType="java.lang.String"
    resultMap="userInfo">
    select
    <include refid="all_column" />
    from T_USERS where USER_NAME = #{0,jdbcType=VARCHAR}
  </select>

  <select id="selectRolesByUsername" parameterType="java.lang.String"
    resultType="java.lang.String">
    select ROLE_NAME
    from T_ROLES where USER_NAME =
    #{0,jdbcType=VARCHAR}
  </select>

</mapper>