稽查报错

server/src/main/java/edp/davinci/service/impl/QualityTaskServiceImpl.java

@@ -186,9 +186,9 @@ public class QualityTaskServiceImpl implements QualityTaskService {
             }
             // 4. 【规范性】
             if (dataRules.getRuleType().equalsIgnoreCase("null_data")) {
-                // 日期格式
                 sql.append(" and ");
-                sql.append(fieldName + " is '' ");
+                // 空字符串判断  LENGTH(trim(a))=0
+                sql.append("LENGTH(trim("+fieldName+"))=0 ");
             }
 
             System.err.println(">>>> 组装的sql为:" + sql.toString());