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Moved result construction more towards connector.

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This will make it easier to handle different formats
This commit is contained in:
Roland Bock
2013-12-15 13:02:41 +01:00
parent 51786a9f1d
commit 9597c3712c
6 changed files with 98 additions and 53 deletions
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tests/PreparedTest.cpp
+9 -2
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@@ -77,7 +77,9 @@ int main()
// 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));
using Exp = decltype(t.beta.like(parameter(t.beta)) and t.alpha == parameter(t.alpha) or t.gamma != parameter(t.gamma));
using T = sqlpp::make_parameter_list_t<Exp>::type;
T npl;
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");
@@ -89,7 +91,10 @@ int main()
// 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;
auto s = 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));
using S = decltype(s);
using T = sqlpp::make_parameter_list_t<S>::type;
T npl;
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");
@@ -102,6 +107,8 @@ int main()
auto x = npl;
x = npl;
std::cerr << x.alpha << std::endl;
x = decltype(npl)();
std::cerr << x.alpha << std::endl;
}