From b99e1b0e7dc96a55aa1e8cbf7b3592afb5891990 Mon Sep 17 00:00:00 2001
From: Marcell Egyed <marcell.egyed@ericsson.com>
Date: Wed, 11 Sep 2024 09:03:00 +0200
Subject: [PATCH] SQLite3: Enable execute() to run prepared_statements

Limit execute to run only non-select statements.
(Note: Does not apply to raw sql string select queries).
---
 include/sqlpp11/sqlite3/connection.h | 30 ++++++++++++++++++++--------
 1 file changed, 22 insertions(+), 8 deletions(-)

diff --git a/include/sqlpp11/sqlite3/connection.h b/include/sqlpp11/sqlite3/connection.h
index 1909782a..8a92d394 100644
--- a/include/sqlpp11/sqlite3/connection.h
+++ b/include/sqlpp11/sqlite3/connection.h
@@ -372,14 +372,28 @@ namespace sqlpp
         return static_cast<size_t>(sqlite3_changes(native_handle()));
       }
 
-      template <
-          typename Execute,
-          typename Enable = typename std::enable_if<not std::is_convertible<Execute, std::string>::value, void>::type>
-      size_t execute(const Execute& x)
-      {
-        _context_t context{*this};
-        serialize(x, context);
-        return execute(context.str());
+      template <
+          typename Execute,
+          typename std::enable_if<not std::is_convertible<Execute, std::string>::value 
+                                  and not sqlpp::is_prepared_statement_t<Execute>::value, int>::type = 0>
+      size_t execute(const Execute& x)
+      {
+        static_assert(not sqlpp::is_select_t<Execute>::value, "argument must not be a select statement - use operator() instead");
+
+        _context_t context{*this};
+        serialize(x, context);
+        return execute(context.str());
+      }
+
+      template <
+          typename Execute,
+          typename std::enable_if<sqlpp::is_prepared_statement_t<Execute>::value, int>::type = 0>
+      size_t execute(const Execute& x)
+      {
+        static_assert(not sqlpp::is_select_t<Execute>::value, "argument must not be a select statement - use operator() instead");
+
+        operator()(x);
+        return static_cast<size_t>(sqlite3_changes(native_handle()));
       }
 
       template <typename Execute>