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Added table checks for dynamic_join(x).add(y)

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This commit is contained in:
rbock 2016-03-22 09:23:37 +01:00
parent ec81299259
commit cf9ec10ae4
4 changed files with 14 additions and 1 deletions
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2
include/sqlpp11/dynamic_join.h
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@ -38,7 +38,7 @@ namespace sqlpp
using _nodes = detail::type_vector<PreJoin, On>;
using _can_be_null = std::false_type;
using _provided_tables = provided_tables_of<PreJoin>;
using _required_tables = detail::type_set<>;
using _required_tables = detail::make_difference_set_t<required_tables_of<On>, _provided_tables>;
static_assert(is_dynamic_pre_join_t<PreJoin>::value, "lhs argument for on() has to be a pre join");
static_assert(required_tables_of<PreJoin>::size::value == 0, "joined tables must not depend on other tables");

4
include/sqlpp11/from.h
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@ -91,6 +91,10 @@ namespace sqlpp
using _joined_table_names = detail::make_name_of_set_t<_joined_tables>;
static_assert(detail::is_disjunct_from<_joined_table_names, _known_table_names>::value,
"Must not use the same table name twice in from()");
using _required_tables = required_tables_of<DynamicJoin>;
static_assert(detail::is_subset_of<_required_tables, _known_tables>::value,
"dynamic join condition depends on tables not statically known, use without_table_check() to "
"express the intent");
using _serialize_check = sqlpp::serialize_check_t<typename Database::_serializer_context_t, DynamicJoin>;
_serialize_check::_();

5
test_static_asserts/from.cpp
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@ -110,6 +110,11 @@ namespace
// Try cross joins (missing condition)
from_dynamic_check<sqlpp::assert_from_not_pre_join_t>(t.join(f));
}
void dynamic_from()
{
#warning : need to add tests for dynamic_from(xxx).add(yyy)
}
}
int main(int, char* [])

4
test_static_asserts/join.cpp
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@ -237,6 +237,8 @@ namespace
join_dynamic_check<sqlpp::consistent_t>(f);
join_dynamic_check<sqlpp::consistent_t>(ta);
join_dynamic_check<sqlpp::consistent_t>(fa);
join_dynamic_check<sqlpp::consistent_t>(sqlpp::verbatim_table("tab_sample"));
join_dynamic_check<sqlpp::consistent_t>(sqlpp::verbatim_table("tab_sample").as(sqlpp::alias::a));
// Try a bunch of non-tables
join_dynamic_check<sqlpp::assert_dynamic_pre_join_table_t>(7);
@ -252,6 +254,7 @@ namespace
// Prepare a dynamic_pre_joins for tests:
const auto tj = dynamic_join(t);
const auto fj = dynamic_join(f);
const auto vj = dynamic_join(sqlpp::verbatim_table("tab_sample"));
// OK dynamic_join.on()
on_dynamic_check<sqlpp::consistent_t>(tj, t.alpha > f.omega);
@ -271,6 +274,7 @@ namespace
on_dynamic_check<sqlpp::consistent_t>(tj, ta.alpha != 0);
on_dynamic_check<sqlpp::consistent_t>(tj, t.gamma);
on_dynamic_check<sqlpp::consistent_t>(tj, f.omega > fa.omega);
on_dynamic_check<sqlpp::consistent_t>(vj, t.alpha < f.omega);
}
}