add length to enum repr params

This amends the fix for #7789.

Fixes: #7598
Change-Id: I067a081d743f1efaf8288601bec0400712012265

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/sqlalchemy/sql/sqltypes.py b/lib/sqlalchemy/sql/sqltypes.py
index 3794fd8f7..6b2d3654b 100644
--- a/lib/sqlalchemy/sql/sqltypes.py
+++ b/lib/sqlalchemy/sql/sqltypes.py
@@ -1321,9 +1321,9 @@ class Enum(Emulated, String, TypeEngine[Union[str, enum.Enum]], SchemaType):
         self.validate_strings = kw.pop("validate_strings", False)
 
         if self.enums:
-            length = max(len(x) for x in self.enums)
+            self._default_length = length = max(len(x) for x in self.enums)
         else:
-            length = 0
+            self._default_length = length = 0
         if not self.native_enum and length_arg is not NO_ARG:
             if length_arg < length:
                 raise ValueError(
@@ -1456,6 +1456,7 @@ class Enum(Emulated, String, TypeEngine[Union[str, enum.Enum]], SchemaType):
             additional_kw=[
                 ("native_enum", True),
                 ("create_constraint", False),
+                ("length", self._default_length),
             ],
             to_inspect=[Enum, SchemaType],
         )