diff options
Diffstat (limited to 'libbrep/common.hxx')
| -rw-r--r-- | libbrep/common.hxx | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libbrep/common.hxx b/libbrep/common.hxx index 44028df..b7fc2da 100644 --- a/libbrep/common.hxx +++ b/libbrep/common.hxx @@ -8,6 +8,8 @@ #include <chrono> #include <type_traits> // static_assert +#include <odb/query.hxx> + #include <libbpkg/package-name.hxx> #include <libbrep/types.hxx> @@ -510,6 +512,34 @@ namespace brep compare_version_ne (x.version, y.version, true); } + // Allow comparing the query members with the query parameters bound by + // reference to variables of the package id type (in particular in the + // prepared queries). + // + // Note that it is not operator==() since the query template parameter type + // can not be deduced from the function parameter types and needs to be + // specified explicitly. + // + template <typename T, typename ID> + inline auto + equal (const ID& x, const package_id& y) + -> decltype (x.tenant == odb::query<T>::_ref (y.tenant) && + x.name == odb::query<T>::_ref (y.name) && + x.version.epoch == odb::query<T>::_ref (y.version.epoch)) + { + using query = odb::query<T>; + + const auto& qv (x.version); + const canonical_version& v (y.version); + + return x.tenant == query::_ref (y.tenant) && + x.name == query::_ref (y.name) && + qv.epoch == query::_ref (v.epoch) && + qv.canonical_upstream == query::_ref (v.canonical_upstream) && + qv.canonical_release == query::_ref (v.canonical_release) && + qv.revision == query::_ref (v.revision); + } + // Repository id comparison operators. // inline bool |