From a41f97932c4cfbace9849e8ebb75afe9ee53de31 Mon Sep 17 00:00:00 2001
From: Georg Semmler <github@weiznich.de>
Date: Mon, 7 Aug 2023 13:01:31 +0000
Subject: [PATCH] Merge pull request #3734 from surban/fix-datetimeproxy

time: sql_type for DateTimeProxy without backend
---
 diesel/src/type_impls/date_and_time.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/diesel/src/type_impls/date_and_time.rs b/diesel/src/type_impls/date_and_time.rs
index b189fc275e1e..651a2cc33c87 100644
--- a/diesel/src/type_impls/date_and_time.rs
+++ b/diesel/src/type_impls/date_and_time.rs
@@ -79,8 +79,16 @@ mod time {
     #[cfg_attr(feature = "mysql_backend", diesel(sql_type = crate::sql_types::Datetime))]
     struct NaiveDateTimeProxy(PrimitiveDateTime);
 
-    #[derive(AsExpression, FromSqlRow)]
+    #[derive(FromSqlRow)]
     #[diesel(foreign_derive)]
+    #[cfg_attr(
+        any(
+            feature = "postgres_backend",
+            feature = "sqlite",
+            feature = "mysql_backend"
+        ),
+        derive(AsExpression)
+    )]
     #[cfg_attr(
         feature = "postgres_backend",
         diesel(sql_type = crate::sql_types::Timestamptz)