fixed null terminated char* hash (unsafe)

2022-09-18 18:11:30 +08:00
parent ad87a2eabb
commit 5604cd7e33
8 changed files with 385 additions and 10 deletions
@@ -1,4 +1,6 @@
 *.dSYM
+testmain.lib
+testmain.exp
 test.lib
 test.exp
 *.pdb
@@ -9,6 +9,9 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "server", "server.vcxproj",
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "msc-plugin", "msc-plugin.vcxproj", "{8081FDAA-4D13-4B7A-ADB2-8224AF7F1C81}"
+	ProjectSection(ProjectDependencies) = postProject
+		{B52AACF7-16A6-4FCA-90AD-867D367BDA4F} = {B52AACF7-16A6-4FCA-90AD-867D367BDA4F}
+	EndProjectSection
 EndProject
 Project("{888888A0-9F3D-457C-B088-3A5042F75D52}") = "msvs-py", "..\msvs-py\msvs-py.pyproj", "{CCC243F5-663E-45B7-A6DE-B2468C58B3A7}"
 EndProject
@@ -18,6 +21,12 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "launcher", "launcher.vcxpro
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "sdk_example", "sdk_example.vcxproj", "{F954797B-C148-4CBF-9FB4-A9A450EFEC38}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testmain", "testmain.vcxproj", "{73BD0DDA-7E66-4318-B46B-B8207AFA6355}"
+	ProjectSection(ProjectDependencies) = postProject
+		{8081FDAA-4D13-4B7A-ADB2-8224AF7F1C81} = {8081FDAA-4D13-4B7A-ADB2-8224AF7F1C81}
+		{B52AACF7-16A6-4FCA-90AD-867D367BDA4F} = {B52AACF7-16A6-4FCA-90AD-867D367BDA4F}
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@@ -116,6 +125,22 @@ Global
 		{F954797B-C148-4CBF-9FB4-A9A450EFEC38}.sharedlib|x64.Build.0 = Debug|x64
 		{F954797B-C148-4CBF-9FB4-A9A450EFEC38}.sharedlib|x86.ActiveCfg = Debug|Win32
 		{F954797B-C148-4CBF-9FB4-A9A450EFEC38}.sharedlib|x86.Build.0 = Debug|Win32
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.Debug|x64.ActiveCfg = Debug|x64
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.Debug|x64.Build.0 = Debug|x64
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.Debug|x86.ActiveCfg = Debug|Win32
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.Debug|x86.Build.0 = Debug|Win32
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.Release|x64.ActiveCfg = Release|x64
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.Release|x64.Build.0 = Release|x64
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.Release|x86.ActiveCfg = Release|Win32
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.Release|x86.Build.0 = Release|Win32
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.shared|x64.ActiveCfg = sharedlib|x64
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.shared|x64.Build.0 = sharedlib|x64
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.shared|x86.ActiveCfg = sharedlib|Win32
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.shared|x86.Build.0 = sharedlib|Win32
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.sharedlib|x64.ActiveCfg = sharedlib|x64
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.sharedlib|x64.Build.0 = sharedlib|x64
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.sharedlib|x86.ActiveCfg = sharedlib|Win32
+		{73BD0DDA-7E66-4318-B46B-B8207AFA6355}.sharedlib|x86.Build.0 = sharedlib|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -0,0 +1,281 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="sharedlib|Win32">
+      <Configuration>sharedlib</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="sharedlib|x64">
+      <Configuration>sharedlib</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="dummy.cpp" />
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{73BD0DDA-7E66-4318-B46B-B8207AFA6355}</ProjectGuid>
+    <RootNamespace>server</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+    <EnableASAN>false</EnableASAN>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+    <EnableASAN>false</EnableASAN>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='sharedlib|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+    <EnableASAN>true</EnableASAN>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+    <EnableASAN>false</EnableASAN>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+    <EnableASAN>false</EnableASAN>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='sharedlib|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+    <EnableASAN>false</EnableASAN>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='sharedlib|Win32'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='sharedlib|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+    <TargetExt>.exe</TargetExt>
+    <OutDir>$(SolutionDir)..\</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+    <TargetExt>.exe</TargetExt>
+    <OutDir>$(SolutionDir)..\</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='sharedlib|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+    <TargetExt>.exe</TargetExt>
+    <OutDir>$(SolutionDir)..\</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <TargetExt>.exe</TargetExt>
+    <OutDir>$(SolutionDir)..\</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <TargetExt>.exe</TargetExt>
+    <OutDir>$(SolutionDir)..\</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='sharedlib|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <TargetExt>.exe</TargetExt>
+    <OutDir>$(SolutionDir)..\</OutDir>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <AdditionalIncludeDirectories>$(ProjectDir)\..\monetdb\msvc</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>..\libaquery.lib;$(ProjectDir)\..\monetdb\msvc\monetdbe.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalOptions>/WHOLEARCHIVE:libaquery.lib %(AdditionalOptions)</AdditionalOptions>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <AdditionalIncludeDirectories>$(ProjectDir)\..\monetdb\msvc</AdditionalIncludeDirectories>
+      <DebugInformationFormat>None</DebugInformationFormat>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <AdditionalDependencies>..\libaquery.lib;$(ProjectDir)\..\monetdb\msvc\monetdbe.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <DataExecutionPrevention>false</DataExecutionPrevention>
+      <AdditionalOptions>/WHOLEARCHIVE:libaquery.lib %(AdditionalOptions)</AdditionalOptions>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='sharedlib|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <AdditionalIncludeDirectories>$(ProjectDir)\..\monetdb\msvc</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>$(ProjectDir)\..\monetdb\msvc\monetdbe.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalOptions>/WHOLEARCHIVE:libaquery.lib %(AdditionalOptions)</AdditionalOptions>
+    </Link>
+    <PostBuildEvent>
+      <Command>copy $(OutDir)$(TargetName)$(TargetExt) $(ProjectDir)\..\server.so  /y</Command>
+    </PostBuildEvent>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <AdditionalIncludeDirectories>$(ProjectDir)\..\monetdb\msvc</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>..\libaquery.lib;$(ProjectDir)\..\monetdb\msvc\monetdbe.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalOptions>/WHOLEARCHIVE:libaquery.lib %(AdditionalOptions)</AdditionalOptions>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <AdditionalIncludeDirectories>$(ProjectDir)\..\monetdb\msvc</AdditionalIncludeDirectories>
+      <DebugInformationFormat>None</DebugInformationFormat>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <AdditionalDependencies>..\libaquery.lib;$(ProjectDir)\..\monetdb\msvc\monetdbe.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <DataExecutionPrevention>false</DataExecutionPrevention>
+      <AdditionalOptions>/WHOLEARCHIVE:libaquery.lib %(AdditionalOptions)</AdditionalOptions>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='sharedlib|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <AdditionalIncludeDirectories>$(ProjectDir)\..\monetdb\msvc</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>$(ProjectDir)\..\monetdb\msvc\monetdbe.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalOptions>/WHOLEARCHIVE:libaquery.lib %(AdditionalOptions)</AdditionalOptions>
+    </Link>
+    <PostBuildEvent>
+      <Command>copy "$(OutDir)$(TargetName)$(TargetExt)" "$(ProjectDir)\..\server.so" /y</Command>
+    </PostBuildEvent>
+  </ItemDefinitionGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+</Project>
@@ -26,8 +26,7 @@ LL_Type sum(const VT<T>& v) {
 template<class T, template<typename ...> class VT>
 //types::GetFPType<T> 
 double avg(const VT<T>& v) {
-	return static_cast<types::GetFPType<T>>(
-		sum<T>(v) / static_cast<long double>(v.size));
+	return (sum<T>(v) / static_cast<double>(v.size));
 }

 template<class T, template<typename ...> class VT>
@@ -1,18 +1,41 @@
 #pragma once

-#include <functional>
+#include <type_traits>
 #include <tuple>
+#include "types.h"
+// only works for 64 bit systems
+constexpr size_t _FNV_offset_basis = 14695981039346656037ULL;
+constexpr size_t _FNV_prime = 1099511628211ULL;
+
+inline size_t append_bytes(const unsigned char* _First) noexcept {
+	size_t _Val = _FNV_offset_basis;
+	for (; *_First; ++_First) {
+		_Val ^= static_cast<size_t>(*_First);
+		_Val *= _FNV_prime;
+	}
+
+	return _Val;
+}
+
+inline size_t append_bytes(const astring_view& view) noexcept {
+	return append_bytes(view.str);
+}
+
+
 template <class ...Types>
 struct hasher {
 	template <size_t i = 0> typename std::enable_if< i == sizeof...(Types), 
 		size_t>::type hashi(const std::tuple<Types...>& record) const {
-		return 0;
+		return 534235245539ULL;
 	}

 	template <size_t i = 0> typename std::enable_if< i < sizeof ...(Types), 
 		size_t>::type hashi(const std::tuple<Types...>& record) const {
 		using current_type = typename std::decay<typename std::tuple_element<i, std::tuple<Types...>>::type>::type;
-		return std::hash<current_type>()(std::get<i>(record)) ^ hashi<i+1>(record);
+		if constexpr (is_cstr<current_type>())
+			return append_bytes((const unsigned char*)std::get<i>(record)) ^ hashi<i + 1>(record);
+		else
+			return std::hash<current_type>()(std::get<i>(record)) ^ hashi<i+1>(record);
 	}
 	size_t operator()(const std::tuple<Types...>& record) const {
 		return hashi(record);
@@ -333,9 +333,9 @@ int test_main()
    //printf("sibal: %p %p\n", aa, bb);

    const char* qs[]= {
-        "CREATE TABLE test(a INT, b INT, c INT, d INT);",
-        "COPY OFFSET 2 INTO test FROM  'c:/Users/sunyi/Desktop/AQuery2/data/test2.csv'  ON SERVER    USING DELIMITERS  ',';",
-        "SELECT (a + b), a,b,c  FROM test ;",
+        "CREATE TABLE network(src VARCHAR(3), dst VARCHAR(3), len INT, _time INT);",
+        "COPY OFFSET 2 INTO network FROM  'c:/Users/sunyi/Desktop/AQuery2/data/network.csv'  ON SERVER    USING DELIMITERS  ',';",
+        "SELECT src, dst, len, _time  FROM network ORDER BY src, dst, _time",
    };
    n_recv = sizeof(qs)/(sizeof (char*));
 	n_recvd = const_cast<char**>(qs);
@@ -354,7 +354,7 @@ int test_main()
    cxt->log("handle: %p\n", handle);
    if (handle) {
        cxt->log("inner\n");
-        code_snippet c = reinterpret_cast<code_snippet>(dlsym(handle, "dll_ZF5Shg"));
+        code_snippet c = reinterpret_cast<code_snippet>(dlsym(handle, "dll_54aqwy"));
        cxt->log("routine: %p\n", c);
        if (c) {
            cxt->log("inner\n");
@@ -169,6 +169,51 @@ namespace types {
 	using GetLongType = typename GetLongTypeImpl<typename std::decay<T>::type>::type;
 }

+struct astring_view {
+	const unsigned char* str = 0;
+	constexpr astring_view(const char* str) :
+		str((const unsigned char*)(str)) {}
+	constexpr astring_view(const signed char* str) :
+		str((const unsigned char*)(str)) {}
+	constexpr astring_view(const unsigned char* str) :
+		str(str) {}
+	constexpr astring_view() = default;
+
+	bool operator==(const astring_view& r) const {
+		auto this_str = str;
+		auto other_str = r.str;
+		while (*this_str && *other_str) {
+			if (*this_str != *other_str)
+				return false;
+			this_str++;
+			other_str++;
+		}
+		return !(*this_str || *other_str);
+	}
+	operator const char* () const {
+		return reinterpret_cast<const char*>(str);
+	}
+	operator const unsigned char* () const {
+		return reinterpret_cast<const unsigned char*>(str);
+	}
+	operator const signed char* () const {
+		return reinterpret_cast<const signed  char*>(str);
+	}
+};
+
+template<class T>
+constexpr bool is_cstr() {
+	using namespace std;
+	typedef decay_t<T> dT;
+	return is_same_v<dT, const char*> ||
+		is_same_v<dT, char*> ||
+		is_same_v<dT, const signed char*> ||
+		is_same_v<dT, signed char*> ||
+		is_same_v<dT, const unsigned char*> ||
+		is_same_v<dT, unsigned char*> ||
+		is_same_v<dT, astring_view>;
+}
+
 #define getT(i, t) std::tuple_element_t<i, std::tuple<t...>>
 template <template<typename ...> class T, typename ...Types>
 struct applyTemplates {
@@ -47,7 +47,7 @@ public:
 	_Ty* container;
 	uint32_t size, capacity;
 	typedef _Ty* iterator_t;
-	typedef _Ty value_t;
+	typedef std::conditional_t<is_cstr<_Ty>(), astring_view, _Ty> value_t;
 	vector_type(const uint32_t& size) : size(size), capacity(size) {
 		container = (_Ty*)malloc(size * sizeof(_Ty));
 	}