상황
flag 값 equals 로 비교하려니까 안되서 == 하려고 따옴표 썼더니 예외 터짐
<if test="@org.apache.commons.lang3.StringUtils@isNotBlank(cnstFlag)">
<choose>
<when test="'Y' == cnstFlag">
AND CNST_FLAG ='N'
</when>
<otherwise><!--F일때-->
AND CNST_FLAG ='Y'
</otherwise>
</choose>
</if>
<if test="@org.apache.commons.lang3.StringUtils@isNotBlank(cnstFlag)">
<choose>
<when test='"Y" == cnstFlag'>
AND CNST_FLAG ='N'
</when>
<otherwise><!--F일때-->
AND CNST_FLAG ='Y'
</otherwise>
</choose>
</if>