The previous pull request broke the build. Besides being a keyword, 'double' is also a function name. Add K_DOUBLE to the RelObjectNameExt() function to pick up this distinction.

Author: opeongo

src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt

@@ -705,7 +705,7 @@ String RelObjectNameExt():
   String result=null;
 } 
 {
-    ( result=RelObjectName() | tk=<K_LEFT> | tk=<K_RIGHT> | tk=<K_SET>)
+    ( result=RelObjectName() | tk=<K_LEFT> | tk=<K_RIGHT> | tk=<K_SET> | <K_DOUBLE> )
     {
         if (tk!=null) result=tk.image;
         return result;