From d6f5e498b9ce684fbf617ba2da567ecb9d0aaf67 Mon Sep 17 00:00:00 2001
From: Roland Bock <rbock@eudoxos.de>
Date: Tue, 23 Jul 2024 20:47:31 +0200
Subject: [PATCH] Fix incorrect expressions for paramterized_verbatim, #584

---
 include/sqlpp11/parameterized_verbatim.h | 2 +-
 tests/core/usage/Select.cpp              | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/include/sqlpp11/parameterized_verbatim.h b/include/sqlpp11/parameterized_verbatim.h
index 456fb6b3..7956450f 100644
--- a/include/sqlpp11/parameterized_verbatim.h
+++ b/include/sqlpp11/parameterized_verbatim.h
@@ -35,7 +35,7 @@
 namespace sqlpp
 {
   template <typename ValueType, typename Expr>
-  struct parameterized_verbatim_t : public expression_operators<verbatim_t<ValueType>, ValueType>,
+  struct parameterized_verbatim_t : public expression_operators<parameterized_verbatim_t<ValueType, Expr>, ValueType>,
                                     public alias_operators<verbatim_t<ValueType>>
   {
     using _traits = make_traits<ValueType, tag::is_expression>;
diff --git a/tests/core/usage/Select.cpp b/tests/core/usage/Select.cpp
index bb01f965..cce0e82f 100644
--- a/tests/core/usage/Select.cpp
+++ b/tests/core/usage/Select.cpp
@@ -62,6 +62,8 @@ void print_row(Row const& row)
 }
 
 SQLPP_ALIAS_PROVIDER(cheese)
+SQLPP_ALIAS_PROVIDER(param1)
+SQLPP_ALIAS_PROVIDER(param2)
 
 int Select(int, char*[])
 {
@@ -219,5 +221,12 @@ int Select(int, char*[])
     std::cout << row.omega << " " << row.cheese << std::endl;
   }
 
+  // checking #584
+  auto abs = db.prepare(select(t.alpha).from(t).where(sqlpp::parameterized_verbatim<sqlpp::unsigned_integral>(
+                 "ABS(field1 -", sqlpp::parameter(t.alpha), ")") <=
+             sqlpp::parameter(sqlpp::unsigned_integral(), param2)));
+  abs.params.alpha = 7;
+  abs.params.param2 = 7;
+
   return 0;
 }