【java工具类】Mapper配置正则匹配的SQL写法

SELECT
tag_id,handler_time
FROM
tbm_synonyms AS s1
<where>
    <if test="categoryId != null and categoryId !=''">
        AND s1.category_id REGEXP CONCAT('^',#{categoryId},'.*')
    </if>
    <if test="keyWord != null and keyWord !=''">
        AND ( s1.tag_name LIKE CONCAT('%',#{keyWord},'%')
        OR s1.synonym LIKE CONCAT('%',#{keyWord},'%') )
    </if>
</where>
ORDER BY s1.handler_time DESC

SELECT
        tag_id,handler_time
        FROM
        tbm_synonyms AS s1
        <where>
            <if test="categoryId != null and categoryId !=''">
                AND s1.category_id REGEXP CONCAT('^',#{categoryId},'.*')
            </if>
            <if test="keyWord != null and keyWord !=''">
                AND ( s1.tag_name LIKE CONCAT('%',#{keyWord},'%')
                OR s1.synonym LIKE CONCAT('%',#{keyWord},'%') )
            </if>
        </where>
        ORDER BY s1.handler_time DESC