From ffc272a3bb61184275127583ea04e569f36f9906 Mon Sep 17 00:00:00 2001
From: Francesco Faraone <francesco.faraone@softwareone.com>
Date: Tue, 8 Apr 2025 17:46:48 +0200
Subject: [PATCH] Fix for enum

---
 src/requela/builders/sqlalchemy.py | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/src/requela/builders/sqlalchemy.py b/src/requela/builders/sqlalchemy.py
index 4750599..6a05a2f 100644
--- a/src/requela/builders/sqlalchemy.py
+++ b/src/requela/builders/sqlalchemy.py
@@ -1,6 +1,7 @@
 from collections.abc import Callable, Sequence
 from datetime import date, datetime
 from decimal import Decimal
+from enum import Enum
 from typing import Any
 
 from sqlalchemy import (
@@ -174,24 +175,27 @@ def apply_any(
         return exists_clause
 
     def cast_value(self, column: ColumnElement, value: Any) -> Any:  # pragma: no cover
+        if isinstance(value, column.type.python_type):
+            return value
         try:
-            if column.type.python_type is str and not isinstance(value, str):
+            if column.type.python_type is str:
                 return str(value)
-            if column.type.python_type is bool and not isinstance(value, bool):
+            if column.type.python_type is bool:
                 return bool(value)
-            if column.type.python_type is int and not isinstance(value, int):
+            if column.type.python_type is int:
                 return int(value)
-            if column.type.python_type is float and not isinstance(value, float):
+            if column.type.python_type is float:
                 return float(value)
-            if column.type.python_type is Decimal and not isinstance(value, Decimal):
+            if column.type.python_type is Decimal:
                 return Decimal(value)
-            if column.type.python_type is datetime and not isinstance(value, datetime):
+            if column.type.python_type is datetime:
                 return datetime.fromisoformat(value)
-            if column.type.python_type is date and not isinstance(value, date):
+            if column.type.python_type is date:
                 return date.fromisoformat(value)
-            return value
-        except Exception:
-            raise ValueError(f"Cannot cast value {value} to {column.type.python_type}")
+            if issubclass(column.type.python_type, Enum):
+                return column.type.python_type(value)
+        except Exception as e:
+            raise ValueError(f"Cannot cast value {value} to {column.type.python_type}: {e}") from e
 
     def _adapt_condition(self, condition, alias):
         if isinstance(condition, BooleanClauseList):