fix default value store unknown type (#24477)

Signed-off-by: Nlixinguo <xinguo.li@zilliz.com>
Co-authored-by: Nlixinguo <xinguo.li@zilliz.com>

internal/metastore/model/field.go

@@ -126,6 +126,7 @@ func UnmarshalFieldModel(fieldSchema *schemapb.FieldSchema) *Field {
 		IndexParams:  fieldSchema.IndexParams,
 		AutoID:       fieldSchema.AutoID,
 		IsDynamic:    fieldSchema.IsDynamic,
+		DefaultValue: fieldSchema.DefaultValue,
 	}
 }
 

internal/proxy/task.go

@@ -503,6 +503,7 @@ func (dct *describeCollectionTask) Execute(ctx context.Context) error {
 					TypeParams:   field.TypeParams,
 					IndexParams:  field.IndexParams,
 					IsDynamic:    field.IsDynamic,
+					DefaultValue: field.DefaultValue,
 				})
 			}
 		}