diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2011-07-04 17:53:47 +0200 |
---|---|---|
committer | Boris Kolpackov <boris@codesynthesis.com> | 2011-07-04 17:53:47 +0200 |
commit | 3c549ec489afe54037bd2d486502f10971a75cb5 (patch) | |
tree | 5c0428f3383a605d0d31b6d28680c2c9c02a90b9 /odb/mysql/object-statements.hxx | |
parent | 47584aa7e59d5bd273970551a26c4b8f8c1cba3d (diff) |
Implement support for database operations callbacks
New object pragma: callback. New test: common/callback. New manual
section: 10.1.4, "callback".
Diffstat (limited to 'odb/mysql/object-statements.hxx')
-rw-r--r-- | odb/mysql/object-statements.hxx | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/odb/mysql/object-statements.hxx b/odb/mysql/object-statements.hxx index e5f6489..c341352 100644 --- a/odb/mysql/object-statements.hxx +++ b/odb/mysql/object-statements.hxx @@ -362,6 +362,28 @@ namespace odb typedef std::vector<delayed_load> delayed_loads; delayed_loads delayed_; + + // Delayed vectors swap guard. See the load_delayed_() function for + // details. + // + struct swap_guard + { + swap_guard (object_statements& os, delayed_loads& dl) + : os_ (os), dl_ (dl) + { + dl_.swap (os_.delayed_); + } + + ~swap_guard () + { + os_.clear_delayed (); + dl_.swap (os_.delayed_); + } + + private: + object_statements& os_; + delayed_loads& dl_; + }; }; } } |