diff options
Diffstat (limited to 'odb/mssql/simple-object-statements.hxx')
-rw-r--r-- | odb/mssql/simple-object-statements.hxx | 51 |
1 files changed, 30 insertions, 21 deletions
diff --git a/odb/mssql/simple-object-statements.hxx b/odb/mssql/simple-object-statements.hxx index dbe1f30..2e20bb8 100644 --- a/odb/mssql/simple-object-statements.hxx +++ b/odb/mssql/simple-object-statements.hxx @@ -39,49 +39,56 @@ namespace odb // deleter function which will be initialized during allocation // (at that point we know that the cache class is defined). // - template <typename T, typename I> + template <typename T, typename I, typename ID> struct extra_statement_cache_ptr { typedef I image_type; + typedef ID id_image_type; typedef mssql::connection connection_type; extra_statement_cache_ptr (): p_ (0) {} ~extra_statement_cache_ptr () { if (p_ != 0) - (this->*deleter_) (0, 0, 0, 0); + (this->*deleter_) (0, 0, 0, 0, 0); } T& - get (connection_type& c, image_type& im, binding& id, binding* idv) + get (connection_type& c, + image_type& im, id_image_type& idim, + binding& id, binding* idv) { if (p_ == 0) - allocate (&c, &im, &id, (idv != 0 ? idv : &id)); + allocate (&c, &im, &idim, &id, (idv != 0 ? idv : &id)); return *p_; } private: void - allocate (connection_type*, image_type*, binding*, binding*); + allocate (connection_type*, + image_type*, id_image_type*, + binding*, binding*); private: T* p_; void (extra_statement_cache_ptr::*deleter_) ( - connection_type*, image_type*, binding*, binding*); + connection_type*, image_type*, id_image_type*, binding*, binding*); }; - template <typename T, typename I> - void extra_statement_cache_ptr<T, I>:: - allocate (connection_type* c, image_type* im, binding* id, binding* idv) + template <typename T, typename I, typename ID> + void extra_statement_cache_ptr<T, I, ID>:: + allocate (connection_type* c, + image_type* im, id_image_type* idim, + binding* id, binding* idv) { // To reduce object code size, this function acts as both allocator // and deleter. // if (p_ == 0) { - p_ = new T (*c, *im, *id, *idv); - deleter_ = &extra_statement_cache_ptr<T, I>::allocate; + p_ = new T (*c, *im, *idim, *id, *idv); + deleter_ = &extra_statement_cache_ptr<T, I, ID>::allocate; } else delete p_; @@ -339,7 +346,7 @@ namespace odb // at the same time. // binding& - optimistic_id_image_binding () {return od_.id_image_binding_;} + optimistic_id_image_binding () {return *od_.id_image_binding ();} // Statements. // @@ -355,9 +362,9 @@ namespace odb insert_image_binding_, object_traits::auto_id, object_traits::rowversion, - (object_traits::auto_id || object_traits::rowversion - ? &id_image_binding_ - : 0), + (object_traits::rowversion + ? &optimistic_id_image_binding () + : (object_traits::auto_id ? &id_image_binding () : 0)), false)); return *persist_; @@ -391,7 +398,7 @@ namespace odb true, // Unique (0 or 1). object_traits::versioned, // Process if versioned. update_image_binding_, - object_traits::rowversion, + object_traits::rowversion ? &optimistic_id_image_binding () : 0, false)); return *update_; @@ -405,8 +412,8 @@ namespace odb new (details::shared) delete_statement_type ( conn_, object_traits::erase_statement, - id_image_binding_, true, // Unique (0 or 1 affected rows). + id_image_binding_, false)); return *erase_; @@ -422,7 +429,6 @@ namespace odb conn_, object_traits::optimistic_erase_statement, od_.id_image_binding_, - true, // Unique (0 or 1 affected rows). false)); } @@ -435,7 +441,9 @@ namespace odb extra_statement_cache () { return extra_statement_cache_.get ( - conn_, images_[0].obj, id_image_binding_, od_.id_image_binding ()); + conn_, + images_[0].obj, images_[0].id, + id_image_binding_, od_.id_image_binding ()); } public: @@ -482,8 +490,9 @@ namespace odb template <typename T1> friend class polymorphic_derived_object_statements; - extra_statement_cache_ptr<extra_statement_cache_type, image_type> - extra_statement_cache_; + extra_statement_cache_ptr<extra_statement_cache_type, + image_type, + id_image_type> extra_statement_cache_; // The UPDATE statement uses both the object and id image. Keep // them next to each other so that the same skip distance can |