diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2011-08-22 11:47:55 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2011-08-22 11:47:55 +0200 |
commit | 1feaef1c1e2c8daba97b20e1fb012706c6adf1ce (patch) | |
tree | a3c7f577e7019a14e45990d50a8b0da1c294e9e4 /odb/database.txx | |
parent | 5b6649e6f7dd256147b48197a007c23001cef647 (diff) |
Add database::erase_query() function
New test: common/erase-query. Documentation is in Section 3.9, "Deleting
Persistent Objects". The current implementation does not work well with
the session (no removal of the erased objects from the cache).
Diffstat (limited to 'odb/database.txx')
-rw-r--r-- | odb/database.txx | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/odb/database.txx b/odb/database.txx index 832c7ad..e60d7a8 100644 --- a/odb/database.txx +++ b/odb/database.txx @@ -208,6 +208,21 @@ namespace odb } template <typename T> + unsigned long long database:: + erase_query (const odb::query<typename object_traits<T>::object_type>& q) + { + // T can be const T while object_type will always be T. + // + typedef typename odb::object_traits<T>::object_type object_type; + typedef odb::object_traits<object_type> object_traits; + + if (!transaction::has_current ()) + throw not_in_transaction (); + + return object_traits::erase_query (*this, q); + } + + template <typename T> result<T> database:: query (const odb::query<typename object_traits<T>::object_type>& q, bool cache) |