3party/sqlpp11
0
0
Fork 0
mirror of https://github.com/rbock/sqlpp11.git synced 2024-11-15 20:31:16 +08:00
Code Issues Projects Releases Wiki Activity

Removed obsolete flag in join types

Browse Source
This commit is contained in:
Roland Bock 2013-10-05 20:13:42 +02:00
parent cff18e917b
commit 29165b2ce3
1 changed files with 7 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
include/sqlpp11/join.h
View File

@ -34,22 +34,18 @@ namespace sqlpp
{
struct inner_join_t
{
static constexpr bool _require_on = true;
static constexpr const char* _name = " INNER ";
};
struct outer_join_t
{
static constexpr bool _require_on = true;
static constexpr const char* _name = " OUTER ";
};
struct left_outer_join_t
{
static constexpr bool _require_on = true;
static constexpr const char* _name = " LEFT OUTER ";
};
struct right_outer_join_t
{
static constexpr bool _require_on = true;
static constexpr const char* _name = " RIGHT OUTER ";
};
@ -77,42 +73,43 @@ namespace sqlpp
template<typename T>
join_t<inner_join_t, join_t, typename std::decay<T>::type> join(T&& t)
{
static_assert(not (JoinType::_require_on and is_noop<On>::value), "join type requires on()");
static_assert(not is_noop<On>::value, "join type requires on()");
return { *this, std::forward<T>(t) };
}
template<typename T>
join_t<inner_join_t, join_t, typename std::decay<T>::type> inner_join(T&& t)
{
static_assert(not (JoinType::_require_on and is_noop<On>::value), "join type requires on()");
static_assert(not is_noop<On>::value, "join type requires on()");
return { *this, std::forward<T>(t) };
}
template<typename T>
join_t<outer_join_t, join_t, typename std::decay<T>::type> outer_join(T&& t)
{
static_assert(not (JoinType::_require_on and is_noop<On>::value), "join type requires on()");
static_assert(not is_noop<On>::value, "join type requires on()");
return { *this, std::forward<T>(t) };
}
template<typename T>
join_t<left_outer_join_t, join_t, typename std::decay<T>::type> left_outer_join(T&& t)
{
static_assert(not (JoinType::_require_on and is_noop<On>::value), "join type requires on()");
static_assert(not is_noop<On>::value, "join type requires on()");
return { *this, std::forward<T>(t) };
}
template<typename T>
join_t<right_outer_join_t, join_t, typename std::decay<T>::type> right_outer_join(T&& t)
{
static_assert(not (JoinType::_require_on and is_noop<On>::value), "join type requires on()");
static_assert(not is_noop<On>::value, "join type requires on()");
return { *this, std::forward<T>(t) };
}
template<typename Db>
void serialize(std::ostream& os, Db& db) const
{
static_assert(not (JoinType::_require_on and is_noop<On>::value), "join type requires on()");
// FIXME: Need to check if db supports the join type. e.g. sqlite does not support right outer or full outer join
static_assert(not is_noop<On>::value, "joined tables require on()");
_lhs.serialize(os, db);
os << JoinType::_name;
os << " JOIN ";