diff options
Diffstat (limited to 'libodb/odb/prepared-query.cxx')
-rw-r--r-- | libodb/odb/prepared-query.cxx | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libodb/odb/prepared-query.cxx b/libodb/odb/prepared-query.cxx new file mode 100644 index 0000000..70bcaa1 --- /dev/null +++ b/libodb/odb/prepared-query.cxx @@ -0,0 +1,47 @@ +// file : odb/prepared-query.cxx +// license : GNU GPL v2; see accompanying LICENSE file + +#include <odb/connection.hxx> +#include <odb/transaction.hxx> +#include <odb/prepared-query.hxx> + +namespace odb +{ + prepared_query_impl:: + ~prepared_query_impl () + { + if (next_ != this) + list_remove (); + } + + prepared_query_impl:: + prepared_query_impl (connection& c) + : cached (false), conn (c), prev_ (0), next_ (this) + { + // Add to the list. + // + next_ = conn.prepared_queries_; + conn.prepared_queries_ = this; + + if (next_ != 0) + next_->prev_ = this; + } + + bool prepared_query_impl:: + verify_connection (transaction& t) + { + return &t.connection () == &stmt->connection (); + } + + void prepared_query_impl:: + list_remove () + { + (prev_ == 0 ? conn.prepared_queries_ : prev_->next_) = next_; + + if (next_ != 0) + next_->prev_ = prev_; + + prev_ = 0; + next_ = this; + } +} |