1

fe/fe-core/src/main/java/org/apache/doris/external/elasticsearch/EsUtil.java

@@ -160,10 +160,6 @@ private static void checkNonPropertiesFields(ObjectNode mappings, List<String> a
         mappings.remove("dynamic_templates");
         // remove `dynamic` field
         mappings.remove("dynamic");
-        // remove `_default` field, we do not parse `_default_` mapping, only explicit mapping.
-        // `_default` _mapping type is deprecated in 7.0 and removed in 8.0
-        // https://www.elastic.co/guide/en/elasticsearch/reference/7.17/removal-of-types.html
-        mappings.remove("_default_");
         // check explicit mapping
         if (mappings.isEmpty()) {
             throw new DorisEsException("Do not support index without explicit mapping.");
@@ -295,6 +291,8 @@ private static Column parseEsField(String fieldName, ObjectNode fieldValue, List
                 case "ip":
                 case "nested":
                 case "object":
+                case "wildcard":
+                case "constant_keyword":
                     type = ScalarType.createStringType();
                     break;
                 default: