From 9068aca381169e865b89945e802d0020b9c1e2e3 Mon Sep 17 00:00:00 2001
From: Phillip Cloud <417981+cpcloud@users.noreply.github.com>
Date: Sat, 29 Jul 2023 05:42:42 -0400
Subject: [PATCH] fix(ops): ensure that name attribute is always valid for
 `ops.SelfReference`

---
 ibis/expr/operations/relations.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ibis/expr/operations/relations.py b/ibis/expr/operations/relations.py
index ba2ff9728ebb..c444a7d88d73 100644
--- a/ibis/expr/operations/relations.py
+++ b/ibis/expr/operations/relations.py
@@ -362,9 +362,11 @@ def schema(self):
 class SelfReference(TableNode):
     table = rlz.table
 
-    @property
+    @attribute.default
     def name(self) -> str:
-        return f"{self.table.name}_ref"
+        if (name := getattr(self.table, "name", None)) is not None:
+            return f"{name}_ref"
+        return util.gen_name("self_ref")
 
     @property
     def schema(self):