Add Encode impls for JsonRawValue.

Author: Dirbaio

sqlx-core/src/types/json.rs

@@ -210,8 +210,45 @@ where
     }
 }
 
-// We don't have to implement Encode for JsonRawValue because that's covered by the default
-// implementation for Encode
+impl<'q, DB> Encode<'q, DB> for JsonRawValue
+where
+    for<'a> Json<&'a Self>: Encode<'q, DB>,
+    DB: Database,
+{
+    fn encode_by_ref(
+        &self,
+        buf: &mut <DB as Database>::ArgumentBuffer<'q>,
+    ) -> Result<IsNull, BoxDynError> {
+        <Json<&Self> as Encode<'q, DB>>::encode(Json(self), buf)
+    }
+}
+
+impl<'q, DB> Encode<'q, DB> for &'q JsonRawValue
+where
+    for<'a> Json<&'a Self>: Encode<'q, DB>,
+    DB: Database,
+{
+    fn encode_by_ref(
+        &self,
+        buf: &mut <DB as Database>::ArgumentBuffer<'q>,
+    ) -> Result<IsNull, BoxDynError> {
+        <Json<&Self> as Encode<'q, DB>>::encode(Json(self), buf)
+    }
+}
+
+impl<'q, DB> Encode<'q, DB> for Box<JsonRawValue>
+where
+    for<'a> Json<&'a Self>: Encode<'q, DB>,
+    DB: Database,
+{
+    fn encode_by_ref(
+        &self,
+        buf: &mut <DB as Database>::ArgumentBuffer<'q>,
+    ) -> Result<IsNull, BoxDynError> {
+        <Json<&Self> as Encode<'q, DB>>::encode(Json(self), buf)
+    }
+}
+
 impl<'r, DB> Decode<'r, DB> for &'r JsonRawValue
 where
     Json<Self>: Decode<'r, DB>,