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mirror of https://github.com/rbock/sqlpp11.git synced 2024-11-15 20:31:16 +08:00

Added missing .unconditionally() member functions for joins

This commit is contained in:
rbock 2016-09-13 21:37:53 +02:00
parent 6bdddcc343
commit 3d67da2373
3 changed files with 17 additions and 1 deletions

View File

@ -88,6 +88,11 @@ namespace sqlpp
static_assert(required_tables_of<dynamic_pre_join_t>::size::value == 0,
"joined tables must not depend on other tables");
auto unconditionally() const -> dynamic_join_t<dynamic_pre_join_t, on_t<unconditional_t>>
{
return {*this, {}};
}
template <typename Expr>
auto on(Expr expr) const -> typename std::conditional<check_dynamic_join_on_t<dynamic_pre_join_t, Expr>::value,
dynamic_join_t<dynamic_pre_join_t, on_t<Expr>>,

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@ -102,6 +102,11 @@ namespace sqlpp
static_assert(required_tables_of<pre_join_t>::size::value == 0, "joined tables must not depend on other tables");
auto unconditionally() -> join_t<pre_join_t, on_t<unconditional_t>>
{
return {*this, {}};
}
template <typename Expr>
auto on(Expr expr) const -> typename std::conditional<check_join_on_t<pre_join_t, Expr>::value,
join_t<pre_join_t, on_t<Expr>>,

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@ -23,8 +23,8 @@
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "compare.h"
#include "Sample.h"
#include "compare.h"
#include <sqlpp11/sqlpp11.h>
namespace
@ -61,6 +61,7 @@ int From(int, char* [])
compare(
__LINE__, from(aFoo.join(bFoo).on(aFoo.omega > bFoo.omega).join(cFoo).on(bFoo.omega > cFoo.omega)),
" FROM tab_foo AS a INNER JOIN tab_foo AS b ON (a.omega>b.omega) INNER JOIN tab_foo AS c ON (b.omega>c.omega)");
compare(__LINE__, from(foo.join(bar).unconditionally()), " FROM tab_foo INNER JOIN tab_bar");
// Static joins involving verbatim tables
compare(__LINE__, from(aFoo.join(sqlpp::verbatim_table("unknown_table"))
@ -109,6 +110,11 @@ int From(int, char* [])
dfa.from.add(dynamic_right_outer_join(bar).on(bar.alpha > foo.omega));
compare(__LINE__, dfa, " FROM tab_foo RIGHT OUTER JOIN tab_bar ON (tab_bar.alpha>tab_foo.omega)");
}
{
auto dfa = df;
dfa.from.add(dynamic_join(bar).unconditionally());
compare(__LINE__, dfa, " FROM tab_foo INNER JOIN tab_bar");
}
{
auto dfa = df;
dfa.from.add(dynamic_inner_join(bar).on(bar.alpha > foo.omega));