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Fixed bug in field index calculation for multi_fields

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This commit is contained in:
rbock
2014-08-09 20:46:40 +02:00
parent ce0c344d0a
commit a59d7ed381
4 changed files with 109 additions and 93 deletions
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17
tests/SelectTypeTest.cpp
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@@ -270,7 +270,7 @@ int main()
static_assert(sqlpp::is_regular<T>::value, "type requirement");
}
// Test that select(all_of(tab)) is expanded in select
// Test that all_of(tab) is expanded in select
{
auto a = select(all_of(t));
auto b = select(t.alpha, t.beta, t.gamma, t.delta);
@@ -279,7 +279,7 @@ int main()
//static_assert(std::is_same<decltype(b), decltype(c)>::value, "t has to be expanded by select()");
}
// Test that select(all_of(tab)) is expanded in multi_column
// Test that all_of(tab) is expanded in multi_column
{
auto a = multi_column(all_of(t)).as(alias::a);
auto b = multi_column(t.alpha, t.beta, t.gamma, t.delta).as(alias::a);
@@ -292,6 +292,19 @@ int main()
static_assert(not sqlpp::is_expression_t<decltype(m)>::value, "a multi_column is not a value");
}
// Test result field indices
{
using Select = decltype(select(
all_of(t), // index 0, 1, 2, 3 (alpha, beta, gamma, delta)
multi_column(all_of(t)).as(alias::left), // index 4 (including 4, 5, 6, 7)
multi_column(all_of(t)).as(alias::right), // index 8 (including 8, 9, 10, 11)
t.alpha.as(alias::a) // index 12
).from(t).where(true)); // next index is 13
using ResultRow = typename Select::_result_methods_t::template _result_row_t<MockDb>;
using IndexSequence = ResultRow::_field_index_sequence;
static_assert(std::is_same<IndexSequence, sqlpp::detail::field_index_sequence<13, 0, 1, 2, 3, 4, 8, 12>>::value, "invalid field sequence");
}
// Test that result sets with identical name/value combinations have identical types
{
auto a = select(t.alpha);