added cpp23

.github/workflows/ci.yaml

@@ -91,6 +91,7 @@ jobs:
   # ===================
   linux:
     runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.experimental || false }}
     strategy:
       fail-fast: false
       matrix:
@@ -111,6 +112,24 @@ jobs:
             install_compiler: true
             compiler_package: g++-10
 
+          - name: "clang-14, C++23 (early)"
+            os: ubuntu-22.04
+            cc: clang-14
+            cxx: clang++-14
+            cxx_standard: "-DSQLITE_ORM_ENABLE_CXX_23=ON"
+            install_compiler: true
+            compiler_package: clang-14
+            experimental: true
+
+          - name: "gcc-11, C++23 (early)"
+            os: ubuntu-22.04
+            cc: gcc-11
+            cxx: g++-11
+            cxx_standard: "-DSQLITE_ORM_ENABLE_CXX_23=ON"
+            install_compiler: true
+            compiler_package: g++-11
+            experimental: true
+
     name: Linux - ${{ matrix.name }}
 
     env:

.gitignore

@@ -9,5 +9,6 @@ cmake-build-debug/
 build/
 build-xcode/
 build-code-edit/
+build-local/
 *.sqlite
-*.db
+*.db

dev/functional/config.h

@@ -55,6 +55,10 @@
 #define SQLITE_ORM_CPP20_RANGES_SUPPORTED
 #endif
 
+#if __cpp_lib_ranges >= 202110L && !defined(SQLITE_ORM_BROKEN_CPP20_VIEWS)
+#define SQLITE_ORM_CPP20_VIEWS_SUPPORTED
+#endif
+
 #if __cpp_lib_generator >= 202207L
 #define SQLITE_ORM_CPP23_GENERATOR_SUPPORTED
 #endif

dev/functional/cxx_compiler_quirks.h

@@ -72,3 +72,7 @@
 #if defined(SQLITE_ORM_CONCEPTS_SUPPORTED) && (defined(__clang__) && (__clang_major__ == 10))
 #define SQLITE_ORM_BROKEN_NONTEMPLATE_CONCEPTS
 #endif
+
+#if defined(__clang__) && (__clang_major__ <= 15)
+#define SQLITE_ORM_BROKEN_CPP20_VIEWS
+#endif

dev/statement_serializer.h

@@ -1797,7 +1797,7 @@ namespace sqlite_orm::internal {
                                                         const Ctx&) SQLITE_ORM_OR_CONST_CALLOP {
             std::stringstream ss;
             ss << "SET ";
-#ifdef SQLITE_ORM_CPP20_RANGES_SUPPORTED
+#ifdef SQLITE_ORM_CPP20_VIEWS_SUPPORTED
             ss << streaming_serialized(statement | std::views::transform(&dynamic_set_entry::serialized_value));
 #else
             int index = 0;

include/sqlite_orm/sqlite_orm.h

@@ -221,6 +221,10 @@ using std::nullptr_t;
 #define SQLITE_ORM_BROKEN_NONTEMPLATE_CONCEPTS
 #endif
 
+#if defined(__clang__) && (__clang_major__ <= 15)
+#define SQLITE_ORM_BROKEN_CPP20_VIEWS
+#endif
+
 // #include "platform_definitions.h"
 
 #if defined(_WIN32)
@@ -313,6 +317,10 @@ using std::nullptr_t;
 #define SQLITE_ORM_CPP20_RANGES_SUPPORTED
 #endif
 
+#if __cpp_lib_ranges >= 202110L && !defined(SQLITE_ORM_BROKEN_CPP20_VIEWS)
+#define SQLITE_ORM_CPP20_VIEWS_SUPPORTED
+#endif
+
 #if __cpp_lib_generator >= 202207L
 #define SQLITE_ORM_CPP23_GENERATOR_SUPPORTED
 #endif
@@ -23457,7 +23465,7 @@ namespace sqlite_orm::internal {
                                                         const Ctx&) SQLITE_ORM_OR_CONST_CALLOP {
             std::stringstream ss;
             ss << "SET ";
-#ifdef SQLITE_ORM_CPP20_RANGES_SUPPORTED
+#ifdef SQLITE_ORM_CPP20_VIEWS_SUPPORTED
             ss << streaming_serialized(statement | std::views::transform(&dynamic_set_entry::serialized_value));
 #else
             int index = 0;

tests/iterate.cpp

@@ -76,6 +76,8 @@ TEST_CASE("Iterate select statement") {
     };
 #ifdef SQLITE_ORM_CPP20_CONCEPTS_SUPPORTED
     constexpr orm_table_reference auto test_table = c<Test>();
+#endif
+#ifdef SQLITE_ORM_WITH_CPP20_ALIASES
     constexpr orm_table_alias auto test_alias = "t"_alias.for_<Test>();
 #endif
 
@@ -91,26 +93,32 @@ TEST_CASE("Iterate select statement") {
     db.replace(expected);
     std::vector<Test> expected_vec{expected};
 
+#ifdef SQLITE_ORM_CPP20_VIEWS_SUPPORTED
     SECTION("range-based for") {
         for (Test&& obj: db.iterate(select(object<Test>()))) {
             REQUIRE(obj == expected);
         }
     }
+#endif
 
 #ifdef SQLITE_ORM_STL_HAS_DEFAULT_SENTINEL
+#ifdef SQLITE_ORM_CPP20_VIEWS_SUPPORTED
     SECTION("borrowed iterator") {
         std::input_iterator auto begin = db.iterate(select(object<Test>())).begin();
         REQUIRE(*begin == expected);
         REQUIRE(++begin == std::default_sentinel);
     }
 #endif
+#endif
 
 #if __cpp_lib_containers_ranges >= 202202L
+#ifdef SQLITE_ORM_CPP20_VIEWS_SUPPORTED
     SECTION("from range") {
         std::ranges::view auto view = db.iterate(select(object<Test>()));
         REQUIRE(std::vector<Test>{std::from_range, view} == expected_vec);
     }
 #endif
+#endif
 
 #if (SQLITE_VERSION_NUMBER >= 3008003) && defined(SQLITE_ORM_WITH_CTE)
 #ifdef SQLITE_ORM_WITH_CPP20_ALIASES
@@ -128,14 +136,18 @@ TEST_CASE("Iterate select statement") {
         auto view = db.yield<Test>();
         REQUIRE(std::vector<Test>{std::from_range, view} == expected_vec);
     }
+#ifdef SQLITE_ORM_CPP20_CONCEPTS_SUPPORTED
     SECTION("object generator, table reference") {
         auto view = db.yield<test_table>();
         REQUIRE(std::vector<Test>{std::from_range, view} == expected_vec);
     }
+#endif
+#ifdef SQLITE_ORM_WITH_CPP20_ALIASES
     SECTION("object generator, alias") {
         auto view = db.yield<test_alias>();
         REQUIRE(std::vector<Test>{std::from_range, view} == expected_vec);
     }
+#endif
     SECTION("select generator") {
         auto view = db.yield(select(object<Test>()));
         REQUIRE(std::vector<Test>{std::from_range, view} == expected_vec);

tests/static_tests/function_static_tests.cpp

@@ -24,6 +24,8 @@
     { storage.template create_aggregate_function<f>() };
     { storage.template delete_aggregate_function<f>() };
 };
+
+constexpr auto clamp_int_ptr = &std::clamp<int>;
 #endif
 
 TEST_CASE("function static") {
@@ -248,7 +250,7 @@
             static const char* name() {
                 return "";
             }
             static int operator()(int);
         };
 #endif
         struct AFunction {
@@ -343,16 +345,20 @@
         }
 #endif
         SECTION("freestanding function") {
-            constexpr auto quotedScalar = "f"_scalar.quote(std::clamp<int>);
-            using quoted_type = decltype("f"_scalar.quote(std::clamp<int>));
+#if defined(__GNUC__) && !defined(__clang__) && (__GNUC__ < 12)
+            SKIP("GCC < 12 cannot use this function pointer as NTTP in this test.");
+#else
+            constexpr auto quotedScalar = "f"_scalar.quote(clamp_int_ptr);
+            using quoted_type = decltype("f"_scalar.quote(clamp_int_ptr));
+            using expected_callable_type = std::remove_cv_t<decltype(clamp_int_ptr)>;
 
             STATIC_REQUIRE(quotedScalar._nme[0] == 'f' && quotedScalar._nme[1] == '\0');
             STATIC_REQUIRE(std::is_same_v<decltype(quotedScalar),
-                                          const quoted_scalar_function<decltype(&std::clamp<int>),
+                                          const quoted_scalar_function<expected_callable_type,
                                                                        const int&(const int&, const int&, const int&),
                                                                        2>>);
 
-            STATIC_REQUIRE(std::is_same_v<quoted_type::callable_type, decltype(&std::clamp<int>)>);
+            STATIC_REQUIRE(std::is_same_v<quoted_type::callable_type, expected_callable_type>);
             STATIC_REQUIRE(std::is_same_v<quoted_type::udf_type, const int&(const int&, const int&, const int&)>);
 
             STATIC_REQUIRE(std::is_same_v<callable_arguments<quoted_type::udf_type>::return_type, int>);
@@ -368,18 +374,25 @@
 
             using storage_type = decltype(make_storage(""));
             STATIC_REQUIRE(storage_scalar_callable<storage_type, quotedScalar>);
+#endif
         }
         SECTION("template function") {
-            constexpr auto quotedScalar = "f"_scalar.quote<const int&(const int&, const int&, const int&)>(std::clamp);
-            using quoted_type = decltype("f"_scalar.quote<const int&(const int&, const int&, const int&)>(std::clamp));
+#if defined(__GNUC__) && !defined(__clang__) && (__GNUC__ < 12)
+            SKIP("GCC < 12 cannot use this function pointer as NTTP in this test.");
+#else
+            constexpr auto quotedScalar =
+                "f"_scalar.quote<const int&(const int&, const int&, const int&)>(clamp_int_ptr);
+            using quoted_type =
+                decltype("f"_scalar.quote<const int&(const int&, const int&, const int&)>(clamp_int_ptr));
+            using expected_callable_type = std::remove_cv_t<decltype(clamp_int_ptr)>;
 
             STATIC_REQUIRE(quotedScalar._nme[0] == 'f' && quotedScalar._nme[1] == '\0');
             STATIC_REQUIRE(std::is_same_v<decltype(quotedScalar),
-                                          const quoted_scalar_function<decltype(&std::clamp<int>),
+                                          const quoted_scalar_function<expected_callable_type,
                                                                        const int&(const int&, const int&, const int&),
                                                                        2>>);
 
-            STATIC_REQUIRE(std::is_same_v<quoted_type::callable_type, decltype(&std::clamp<int>)>);
+            STATIC_REQUIRE(std::is_same_v<quoted_type::callable_type, expected_callable_type>);
             STATIC_REQUIRE(std::is_same_v<quoted_type::udf_type, const int&(const int&, const int&, const int&)>);
 
             STATIC_REQUIRE(std::is_same_v<callable_arguments<quoted_type::udf_type>::return_type, int>);
@@ -395,6 +408,7 @@
 
             using storage_type = decltype(make_storage(""));
             STATIC_REQUIRE(storage_scalar_callable<storage_type, quotedScalar>);
+#endif
         }
         SECTION("lambda") {
             constexpr auto lambda = [](unsigned long errcode) {

tests/static_tests/iterator_t.cpp

@@ -126,8 +126,10 @@ concept storage_yield_result_set = requires(S& storage_type, Select select) {
 
 namespace {
     struct Object {};
-#ifdef SQLITE_ORM_CPP20_CONCEPTS_SUPPORTED
+#if defined(SQLITE_ORM_CPP20_CONCEPTS_SUPPORTED) && defined(SQLITE_ORM_WITH_CPP20_ALIASES)
     constexpr orm_table_alias auto object_alias = "o"_alias.for_<Object>();
+#endif
+#ifdef SQLITE_ORM_CPP20_CONCEPTS_SUPPORTED
     constexpr orm_table_reference auto object_table = c<Object>();
 #endif
 }
@@ -177,9 +179,15 @@ TEST_CASE("can view and iterate mapped") {
 
 #ifdef SQLITE_ORM_CPP20_CONCEPTS_SUPPORTED
     STATIC_REQUIRE(storage_iterate_mapped<storage_type, Object>);
+#ifdef SQLITE_ORM_CPP20_VIEWS_SUPPORTED
     STATIC_REQUIRE(storage_iterate_mapped_ref<storage_type, object_table, Object>);
+#endif
+#ifdef SQLITE_ORM_WITH_CPP20_ALIASES
+#ifdef SQLITE_ORM_CPP20_VIEWS_SUPPORTED
     STATIC_REQUIRE(storage_iterate_mapped_ref<storage_type, object_alias, Object>);
 #endif
+#endif
+#endif
 
 #ifdef SQLITE_ORM_CPP23_GENERATOR_SUPPORTED
     STATIC_REQUIRE(storage_yield_mapped<storage_type, Object, Object>);
@@ -188,7 +196,7 @@ TEST_CASE("can view and iterate mapped") {
 #endif
 }
 
-#ifdef SQLITE_ORM_CPP20_CONCEPTS_SUPPORTED
+#if defined(SQLITE_ORM_CPP20_CONCEPTS_SUPPORTED) && defined(SQLITE_ORM_CPP20_VIEWS_SUPPORTED)
 TEST_CASE("can view and iterate result set") {
     struct Object {};
     using empty_storage_type = decltype(make_storage(""));

tests/user_defined_functions.cpp

@@ -218,7 +218,7 @@
 
 #ifdef SQLITE_ORM_STATIC_CALL_OPERATOR_SUPPORTED
 struct StaticCallOpFunction {
     static bool operator()(int x, int y) {
         return x == y;
     }
 
@@ -569,6 +569,9 @@
     storage.sync_schema();
 
     SECTION("freestanding function") {
+#if defined(__GNUC__) && !defined(__clang__) && (__GNUC__ < 12)
+        SKIP("GCC < 12 cannot use this function as NTTP in quoted scalar tests.");
+#else
         constexpr auto err_fatal_error_f = "ERR_FATAL_ERROR"_scalar.quote(ERR_FATAL_ERROR);
         storage.create_scalar_function<err_fatal_error_f>();
         {
@@ -577,6 +580,7 @@
             REQUIRE(rows == expected);
         }
         storage.delete_scalar_function<err_fatal_error_f>();
+#endif
     }
     SECTION("stateless lambda") {
         constexpr auto is_fatal_error_f = "is_fatal_error"_scalar.quote([](unsigned long errcode) {
@@ -659,6 +663,9 @@
     }
 #endif
     SECTION("specialized template function") {
+#if defined(__GNUC__) && !defined(__clang__) && (__GNUC__ < 12)
+        SKIP("GCC < 12 cannot use std::clamp specialization as NTTP.");
+#else
         constexpr auto clamp_int_f = "clamp_int"_scalar.quote(std::clamp<int>);
         storage.create_scalar_function<clamp_int_f>();
         {
@@ -667,8 +674,12 @@
             REQUIRE(rows == expected);
         }
         storage.delete_scalar_function<clamp_int_f>();
+#endif
     }
     SECTION("overloaded template function") {
+#if defined(__GNUC__) && !defined(__clang__) && (__GNUC__ < 12)
+        SKIP("GCC < 12 cannot use std::clamp overload as NTTP.");
+#else
         constexpr auto clamp_int_f =
             "clamp_int"_scalar.quote<const int&(const int&, const int&, const int&)>(std::clamp);
         storage.create_scalar_function<clamp_int_f>();
@@ -678,6 +689,7 @@
             REQUIRE(rows == expected);
         }
         storage.delete_scalar_function<clamp_int_f>();
+#endif
     }
     SECTION("non-copyable function object") {
         // note: unlike msvc, gcc+clang require a constant template parameter to be copyable (and probably rightly so);
@@ -703,6 +715,9 @@
         storage.delete_scalar_function<offset0_f>();
     }
     SECTION("escaped function identifier") {
+#if defined(__GNUC__) && !defined(__clang__) && (__GNUC__ < 12)
+        SKIP("GCC < 12 cannot use std::clamp specialization as NTTP.");
+#else
         constexpr auto clamp_f = R"("clamp int")"_scalar.quote(std::clamp<int>);
         storage.create_scalar_function<clamp_f>();
         {
@@ -711,6 +726,7 @@
             REQUIRE(rows == expected);
         }
         storage.delete_scalar_function<clamp_f>();
+#endif
     }
 }
 #endif