Attribute exists fix

entity/Attribute_entity/entityfields/attributetypestate_param/valueProcess.js

@@ -20,12 +20,10 @@ if(vars.get("$sys.recordstate") == neon.OPERATINGSTATE_EDIT)
         var hasSubordinate = db.cell(SqlCondition.begin()
             .andPrepareVars("AB_ATTRIBUTE.AB_ATTRIBUTEID", "$field.UID")
             .buildSql(
-                "select exists ("
-                +    "select SUB.AB_ATTRIBUTEID from AB_ATTRIBUTE SUB "
-                +    "where SUB.ATTRIBUTE_PARENT_ID = AB_ATTRIBUTE.AB_ATTRIBUTEID"
-                + ") from AB_ATTRIBUTE", "1=2"
+                "select count(SUB.AB_ATTRIBUTEID) from AB_ATTRIBUTE SUB "
+                + "where SUB.ATTRIBUTE_PARENT_ID = AB_ATTRIBUTE.AB_ATTRIBUTEID", "1=2"
                 )
-            ) == "true";
+            ) > 0;
         if (hasSubordinate)
             state = neon.COMPONENTSTATE_READONLY;
     }