Remember whether bulk delete is supported after first call to QueryInfo

largeobjects.go

@@ -207,7 +207,7 @@ func (c *Connection) LargeObjectDelete(container string, path string) error {
 	}
 	objects = append(objects, info)
 
-	if false && len(objects) > 0 {
+	if c.BulkDeleteSupport && len(objects) > 0 {
 		filenames := make([]string, len(objects))
 		for i, obj := range objects {
 			filenames[i] = obj.Name

swift.go

@@ -113,6 +113,8 @@ type Connection struct {
 	TenantDomainId string            // Id of the tenant's domain (v3 auth only), only needed if it differs the from user domain
 	TrustId        string            // Id of the trust (v3 auth only)
 	Transport      http.RoundTripper `json:"-" xml:"-"` // Optional specialised http.Transport (eg. for Google Appengine)
+	// BulkDeleteSupport is filled after QueryInfo is called
+	BulkDeleteSupport bool
 	// These are filled in after Authenticate is called as are the defaults for above
 	StorageUrl string
 	AuthToken  string
@@ -429,6 +431,7 @@ func (c *Connection) QueryInfo() (infos SwiftInfo, err error) {
 		err = readJson(resp, &infos)
 		return infos, err
 	}
+	_, c.BulkDeleteSupport = infos["bulk_delete"]
 	return nil, err
 }