문자열null체크 수정

src/main/resources/sql/mapper/base/file-mapper.xml

@@ -56,7 +56,7 @@ SELECT A.*
 <where>
 <if test="infoType != null">  AND A.INF_TYPE = #{infoType}</if>
 <if test="infoKeys != null">  AND INF_KEY IN (<foreach collection="infoKeys" item="infoKey" separator=",">#{infoKey}</foreach>)</if>
-<if test="by != null and term != null">
+<if test="@org.egovframe.rte.fdl.string.EgovStringUtil@isNotEmpty(by) and @org.egovframe.rte.fdl.string.EgovStringUtil@isNotEmpty(term)">
 AND ${by} = #{term}
 </if> 
    AND USE_YN = 'Y'