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select now collects parameters from Where and Having

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Roland Bock
2013-11-26 23:45:31 +01:00
parent 8f99a03359
commit 221e20918b
9 changed files with 89 additions and 17 deletions
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30
tests/PreparedTest.cpp
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@@ -27,6 +27,7 @@
#include "MockDb.h"
#include "is_regular.h"
#include <sqlpp11/functions.h>
#include <sqlpp11/select.h>
#include <iostream>
@@ -74,6 +75,35 @@ int main()
static_assert(std::is_same<T, std::tuple<decltype(parameter(t.beta)), decltype(parameter(t.alpha)),decltype(parameter(t.gamma))>>::value, "type requirement");
}
// OK, fine, now create a named parameter list from an expression
{
auto npl = named_parameter_list(t.beta.like(parameter(t.beta)) and t.alpha == parameter(t.alpha) or t.gamma != parameter(t.gamma));
static_assert(std::is_same<typename decltype(t.alpha)::_value_type::_cpp_value_type, decltype(npl.alpha)>::value, "type requirement");
static_assert(std::is_same<typename decltype(t.beta)::_value_type::_cpp_value_type, decltype(npl.beta)>::value, "type requirement");
static_assert(std::is_same<typename decltype(t.gamma)::_value_type::_cpp_value_type, decltype(npl.gamma)>::value, "type requirement");
static_assert(std::is_same<decltype(std::get<0>(npl._parameter_tuple)), decltype(npl.beta)&>::value, "type requirement");
static_assert(std::is_same<decltype(std::get<1>(npl._parameter_tuple)), decltype(npl.alpha)&>::value, "type requirement");
static_assert(std::is_same<decltype(std::get<2>(npl._parameter_tuple)), decltype(npl.gamma)&>::value, "type requirement");
}
// Wonderful, now take a look at the parameter list of a select
{
auto npl = select(all_of(t)).from(t).where(t.beta.like(parameter(t.beta)) and t.alpha == parameter(t.alpha) or t.gamma != parameter(t.gamma))._parameter_list;
static_assert(std::is_same<typename decltype(t.alpha)::_value_type::_cpp_value_type, decltype(npl.alpha)>::value, "type requirement");
static_assert(std::is_same<typename decltype(t.beta)::_value_type::_cpp_value_type, decltype(npl.beta)>::value, "type requirement");
static_assert(std::is_same<typename decltype(t.gamma)::_value_type::_cpp_value_type, decltype(npl.gamma)>::value, "type requirement");
static_assert(std::is_same<decltype(std::get<0>(npl._parameter_tuple)), decltype(npl.beta)&>::value, "type requirement");
static_assert(std::is_same<decltype(std::get<1>(npl._parameter_tuple)), decltype(npl.alpha)&>::value, "type requirement");
static_assert(std::is_same<decltype(std::get<2>(npl._parameter_tuple)), decltype(npl.gamma)&>::value, "type requirement");
npl.alpha = 7;
auto x = npl;
x = npl;
std::cerr << x.alpha << std::endl;
}
return 0;
}