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-rw-r--r--odb/pgsql/makefile4
-rw-r--r--odb/pgsql/transaction-impl.cxx80
-rw-r--r--odb/pgsql/transaction-impl.hxx57
-rw-r--r--odb/pgsql/transaction-impl.ixx16
-rw-r--r--odb/pgsql/transaction.cxx26
-rw-r--r--odb/pgsql/transaction.hxx60
-rw-r--r--odb/pgsql/transaction.ixx41
7 files changed, 283 insertions, 1 deletions
diff --git a/odb/pgsql/makefile b/odb/pgsql/makefile
index 722a34d..8b4b316 100644
--- a/odb/pgsql/makefile
+++ b/odb/pgsql/makefile
@@ -11,7 +11,9 @@ connection.cxx \
connection-factory.cxx \
database.cxx \
error.cxx \
-exceptions.cxx
+exceptions.cxx \
+transaction.cxx \
+transaction-impl.cxx
cli_tun := details/options.cli
cxx_tun := $(cxx)
diff --git a/odb/pgsql/transaction-impl.cxx b/odb/pgsql/transaction-impl.cxx
new file mode 100644
index 0000000..2d2a988
--- /dev/null
+++ b/odb/pgsql/transaction-impl.cxx
@@ -0,0 +1,80 @@
+// file : odb/pgsql/transaction-impl.cxx
+// author : Constantin Michael <constantin@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#include <cassert>
+
+#include <libpq-fe.h>
+
+#include <odb/pgsql/database.hxx>
+#include <odb/pgsql/connection.hxx>
+#include <odb/pgsql/error.hxx>
+#include <odb/pgsql/exceptions.hxx>
+#include <odb/pgsql/transaction-impl.hxx>
+
+namespace odb
+{
+ namespace pgsql
+ {
+ transaction_impl::
+ transaction_impl (database_type& db)
+ : odb::transaction_impl (db), connection_ (db.connection ())
+ {
+ PGresult* r (PQexec (connection_->handle (), "begin"));
+
+ if (!r)
+ translate_result_error (*connection_);
+
+ ExecStatusType s (PQresultStatus (r));
+
+ if (PGRES_COMMAND_OK != s)
+ translate_result_error (*connection_, r, s);
+ }
+
+ transaction_impl::
+ ~transaction_impl ()
+ {
+ }
+
+ void transaction_impl::
+ commit ()
+ {
+ // connection_->clear ();
+
+ PGresult* r (PQexec (connection_->handle (), "commit"));
+
+ if (!r)
+ translate_result_error (*connection_);
+
+ ExecStatusType s (PQresultStatus (r));
+
+ if (PGRES_COMMAND_OK != s)
+ translate_result_error (*connection_, r, s);
+
+ // Release the connection.
+ //
+ // connection_.reset ();
+ }
+
+ void transaction_impl::
+ rollback ()
+ {
+ // connection_->clear ();
+
+ PGresult* r (PQexec (connection_->handle (), "rollback"));
+
+ if (!r)
+ translate_result_error (*connection_);
+
+ ExecStatusType s (PQresultStatus (r));
+
+ if (PGRES_COMMAND_OK != s)
+ translate_result_error (*connection_, r, s);
+
+ // Release the connection.
+ //
+ //connection_.reset ();
+ }
+ }
+}
diff --git a/odb/pgsql/transaction-impl.hxx b/odb/pgsql/transaction-impl.hxx
new file mode 100644
index 0000000..9b4ec56
--- /dev/null
+++ b/odb/pgsql/transaction-impl.hxx
@@ -0,0 +1,57 @@
+// file : odb/pgsql/transaction-impl.hxx
+// author : Constantin Michael <constantin@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_PGSQL_TRANSACTION_IMPL_HXX
+#define ODB_PGSQL_TRANSACTION_IMPL_HXX
+
+#include <odb/pre.hxx>
+
+#include <odb/transaction.hxx>
+
+#include <odb/pgsql/version.hxx>
+#include <odb/pgsql/forward.hxx>
+
+#include <odb/details/shared-ptr.hxx>
+
+#include <odb/pgsql/details/export.hxx>
+
+namespace odb
+{
+ namespace pgsql
+ {
+ class LIBODB_PGSQL_EXPORT transaction_impl: public odb::transaction_impl
+ {
+ protected:
+ friend class database;
+ friend class transaction;
+
+ typedef pgsql::database database_type;
+ typedef pgsql::connection connection_type;
+
+ transaction_impl (database_type&);
+
+ virtual
+ ~transaction_impl ();
+
+ virtual void
+ commit ();
+
+ virtual void
+ rollback ();
+
+ connection_type&
+ connection ();
+
+ private:
+ details::shared_ptr<connection_type> connection_;
+ };
+ }
+}
+
+#include <odb/pgsql/transaction-impl.ixx>
+
+#include <odb/post.hxx>
+
+#endif // ODB_PGSQL_TRANSACTION_IMPL_HXX
diff --git a/odb/pgsql/transaction-impl.ixx b/odb/pgsql/transaction-impl.ixx
new file mode 100644
index 0000000..cd7e0ac
--- /dev/null
+++ b/odb/pgsql/transaction-impl.ixx
@@ -0,0 +1,16 @@
+// file : odb/pgsql/transaction-impl.ixx
+// author : Constantin Michael <constantin@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+namespace odb
+{
+ namespace pgsql
+ {
+ inline transaction_impl::connection_type& transaction_impl::
+ connection ()
+ {
+ return *connection_;
+ }
+ }
+}
diff --git a/odb/pgsql/transaction.cxx b/odb/pgsql/transaction.cxx
new file mode 100644
index 0000000..2632318
--- /dev/null
+++ b/odb/pgsql/transaction.cxx
@@ -0,0 +1,26 @@
+// file : odb/pgsql/transaction.cxx
+// author : Constantin Michael <constantin@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#include <odb/pgsql/transaction.hxx>
+
+namespace odb
+{
+ namespace pgsql
+ {
+ transaction& transaction::
+ current ()
+ {
+ // While the impl type can be of the concrete type, the transaction
+ // object can be created as either odb:: or odb::pgsql:: type. To
+ // work around that we are going to hard-cast one to the other
+ // relying on the fact that they have the same representation and
+ // no virtual functions. The former is checked in the tests.
+ //
+ odb::transaction& b (odb::transaction::current ());
+ dynamic_cast<transaction_impl&> (b.implementation ());
+ return reinterpret_cast<transaction&> (b);
+ }
+ }
+}
diff --git a/odb/pgsql/transaction.hxx b/odb/pgsql/transaction.hxx
new file mode 100644
index 0000000..450842d
--- /dev/null
+++ b/odb/pgsql/transaction.hxx
@@ -0,0 +1,60 @@
+// file : odb/pgsql/transaction.hxx
+// author : Constantin Michael <constantin@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_PGSQL_TRANSACTION_HXX
+#define ODB_PGSQL_TRANSACTION_HXX
+
+#include <odb/pre.hxx>
+
+#include <odb/transaction.hxx>
+
+#include <odb/pgsql/version.hxx>
+#include <odb/pgsql/forward.hxx>
+
+#include <odb/pgsql/details/export.hxx>
+
+namespace odb
+{
+ namespace pgsql
+ {
+ class transaction_impl;
+
+ class LIBODB_PGSQL_EXPORT transaction: public odb::transaction
+ {
+ public:
+ typedef pgsql::database database_type;
+ typedef pgsql::connection connection_type;
+
+ explicit
+ transaction (transaction_impl*);
+
+ // Return the database this transaction is on.
+ //
+ database_type&
+ database ();
+
+ // Return the underlying database connection for this transaction.
+ //
+ connection_type&
+ connection ();
+
+ // Return current transaction or throw if there is no transaction
+ // in effect.
+ //
+ static transaction&
+ current ();
+
+ public:
+ transaction_impl&
+ implementation ();
+ };
+ }
+}
+
+#include <odb/pgsql/transaction.ixx>
+
+#include <odb/post.hxx>
+
+#endif // ODB_PGSQL_TRANSACTION_HXX
diff --git a/odb/pgsql/transaction.ixx b/odb/pgsql/transaction.ixx
new file mode 100644
index 0000000..d109e97
--- /dev/null
+++ b/odb/pgsql/transaction.ixx
@@ -0,0 +1,41 @@
+// file : odb/pgsql/transaction.ixx
+// author : Constantin Michael <constantin@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#include <odb/pgsql/database.hxx>
+#include <odb/pgsql/transaction-impl.hxx>
+
+namespace odb
+{
+ namespace pgsql
+ {
+ inline transaction::
+ transaction (transaction_impl* impl)
+ : odb::transaction (impl)
+ {
+ }
+
+ inline transaction_impl& transaction::
+ implementation ()
+ {
+ // We can use static_cast here since we have an instance of
+ // pgsql::transaction.
+ //
+ return static_cast<transaction_impl&> (
+ odb::transaction::implementation ());
+ }
+
+ inline transaction::database_type& transaction::
+ database ()
+ {
+ return static_cast<database_type&> (odb::transaction::database ());
+ }
+
+ inline transaction::connection_type& transaction::
+ connection ()
+ {
+ return implementation ().connection ();
+ }
+ }
+}
generated by cgit v1.1 at 2024-12-30 05:45:30 +0000