From 4f99894cd4a2c34814f9fd6ac5e07ddde964b6e1 Mon Sep 17 00:00:00 2001
From: Roland Bock <rbock@eudoxos.de>
Date: Tue, 7 Sep 2021 10:14:35 +0200
Subject: [PATCH] Backported value_t

---
 include/sqlpp11/value.h | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/include/sqlpp11/value.h b/include/sqlpp11/value.h
index b2b0a24b..72adb24b 100644
--- a/include/sqlpp11/value.h
+++ b/include/sqlpp11/value.h
@@ -32,12 +32,38 @@
 namespace sqlpp
 {
   template <typename T>
-  auto value(T t) -> wrap_operand_t<T>
+  struct value_t : public wrap_operand_t<T>, public expression_operators<value_t<T>, value_type_of<wrap_operand_t<T>>>
+  {
+    using _base_t = wrap_operand_t<T>;
+    using _base_t::_base_t;
+
+    const _base_t& get_base() const
+    {
+      return *this;
+    }
+  };
+
+  template <typename T>
+  auto value(T t) -> value_t<T>
   {
     static_assert(is_wrapped_value_t<wrap_operand_t<T>>::value,
                   "value() is to be called with non-sql-type like int, or string");
     return {t};
   }
+
+  template <typename Context, typename T>
+  struct serializer_t<Context, value_t<T>>
+  {
+    using _serialize_check = consistent_t;
+    using Operand = value_t<T>;
+
+    static Context& _(const Operand& t, Context& context)
+    {
+      serialize(t.get_base(), context);
+      return context;
+    }
+  };
+
 }  // namespace sqlpp
 
 #endif