server/AyaNova/DataList/DataListSqlFilterCriteriaBuilder.cs

@@ -982,34 +982,16 @@ namespace AyaNova.DataList
                     case DataListFilterComparisonOperator.NotEqual:
                         //NOT (ARRAY['green'::varchar(255)] <@ tags and  array_length(tags,1) = 1)                            
                         return $"NOT ({PostgresTagArrayFragment} <@ {SqlColumnNameToFilter} AND ARRAY_LENGTH({SqlColumnNameToFilter},1) = {normalizedTags.Count})";
-
-
                     case DataListFilterComparisonOperator.NotContains:
-                        sb.Append("Not Like '%");
-                        sb.Append(sValue);
-                        sb.Append("%'");
-                        break;
-
+                        //NOT ARRAY['red','green'::varchar(255)] <@ tags                             
+                        return $"NOT {PostgresTagArrayFragment} <@ {SqlColumnNameToFilter}";
                     case DataListFilterComparisonOperator.Contains:
-
-                        //TagSpecificWhereFragment = $"(array_to_string({tagColumn.GetSqlValueColumnName()},',') like '%{tagSpecificQuery}%')";
-                        sb.Append("Like '%");
-                        sb.Append(sValue);
-                        sb.Append("%'");
-                        break;
-
+                        //ARRAY['red','green'::varchar(255)] <@ tags                             
+                        return $"{PostgresTagArrayFragment} <@ {SqlColumnNameToFilter}";
                     default:
                         throw new System.ArgumentOutOfRangeException("OPERATOR_TYPE", sOperator, "DataListSqlFilterCriteriaBuilder unhandled operator type [" + sOperator + "] IN TAGS");
-
                 }
-
-
-
-
             }
-            return sb.ToString();
-
-
         }
 
         ////////////////////////////////////