base-callcenter-api/hjzx-mapper/target/classes/mapper/km/DocMapper.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="api.mapper.km.DocMapper">

	<select id="selectKeywords"  parameterType="String" resultType="String">
		select keywords from km_doc WHERE to_examine=1
		group by keywords
	</select>


</mapper>