获取项目承接类型下拉列表SQL优化

dsk-module/dsk-biz-api/src/main/resources/mapper/cscec/DProjectMapper.xml

@@ -24,7 +24,7 @@
     <select id="queryIsInvestProject" resultType="java.lang.String">
         SELECT DISTINCT isinvestproject
         FROM d_project
-        WHERE (isinvestproject != '')
+        WHERE (isinvestproject <![CDATA[ <> ]]> '')
     </select>
 
     <select id="selectPageCooperateProjectDetailList"