diff options
Diffstat (limited to 'odb/oracle/view-result.txx')
-rw-r--r-- | odb/oracle/view-result.txx | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/odb/oracle/view-result.txx b/odb/oracle/view-result.txx deleted file mode 100644 index 8ae25aa..0000000 --- a/odb/oracle/view-result.txx +++ /dev/null @@ -1,148 +0,0 @@ -// file : odb/oracle/view-result.txx -// license : ODB NCUEL; see accompanying LICENSE file - -#include <odb/callback.hxx> -#include <odb/exceptions.hxx> - -#include <odb/oracle/view-statements.hxx> - -namespace odb -{ - namespace oracle - { - template <typename T> - view_result_impl<T>:: - ~view_result_impl () - { - invalidate (); - } - - template <typename T> - void view_result_impl<T>:: - invalidate () - { - change_callback_type& cc (statements_.image ().change_callback_); - - if (cc.context == this) - { - cc.callback = 0; - cc.context = 0; - } - - delete image_copy_; - image_copy_ = 0; - - if (!this->end_) - { - statement_->free_result (); - this->end_ = true; - } - - statement_.reset (); - } - - template <typename T> - view_result_impl<T>:: - view_result_impl (const query_base&, - details::shared_ptr<select_statement> statement, - statements_type& statements, - const schema_version_migration* svm) - : base_type (statements.connection ()), - statement_ (statement), - statements_ (statements), - tc_ (svm), - use_copy_ (false), - image_copy_ (0) - { - } - - template <typename T> - void view_result_impl<T>:: - load (view_type& view) - { - view_traits::callback (this->db_, view, callback_event::pre_load); - - tc_.init (view, - use_copy_ ? *image_copy_ : statements_.image (), - &this->db_); - - // If we are using a copy, make sure the callback information for - // LOB data also comes from the copy. - // - statement_->stream_result ( - use_copy_ ? &statements_.image () : 0, - use_copy_ ? image_copy_ : 0); - - view_traits::callback (this->db_, view, callback_event::post_load); - } - - template <typename T> - void view_result_impl<T>:: - next () - { - this->current (pointer_type ()); - - typename view_traits::image_type& im (statements_.image ()); - change_callback_type& cc (im.change_callback_); - - if (cc.context == this) - { - cc.callback = 0; - cc.context = 0; - } - - use_copy_ = false; - - if (im.version != statements_.image_version ()) - { - binding& b (statements_.image_binding ()); - tc_.bind (b.bind, im); - statements_.image_version (im.version); - b.version++; - } - - if (statement_->fetch () == select_statement::no_data) - { - statement_->free_result (); - this->end_ = true; - } - else - { - cc.callback = &change_callback; - cc.context = this; - } - } - - template <typename T> - void view_result_impl<T>:: - cache () - { - } - - template <typename T> - std::size_t view_result_impl<T>:: - size () - { - throw result_not_cached (); - } - - template <typename T> - void view_result_impl<T>:: - change_callback (void* c) - { - view_result_impl<T>* r (static_cast<view_result_impl<T>*> (c)); - - typename view_traits::image_type& im (r->statements_.image ()); - - if (r->image_copy_ == 0) - r->image_copy_ = new typename view_traits::image_type (im); - else - *r->image_copy_ = im; - - im.change_callback_.callback = 0; - im.change_callback_.context = 0; - - r->use_copy_ = true; - } - } -} |