From 78e81069aadc609aee1e4b8137516d9cfce47b0a Mon Sep 17 00:00:00 2001
From: Constantin Michael <constantin@codesynthesis.com>
Date: Wed, 11 May 2011 10:58:27 +0200
Subject: Add transaction implementation

---
 odb/pgsql/transaction-impl.cxx | 80 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 odb/pgsql/transaction-impl.cxx

(limited to 'odb/pgsql/transaction-impl.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 ();
+    }
+  }
+}
-- 
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