From c12e7cba18fe4163563f1428626950a68a5d01d6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 27 Oct 2011 15:16:49 +0200
Subject: Add support for persistent classes without object ids

New pragma id (object). New test: common/no-id.
---
 common/no-id/driver.cxx | 102 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 common/no-id/driver.cxx

(limited to 'common/no-id/driver.cxx')

diff --git a/common/no-id/driver.cxx b/common/no-id/driver.cxx
new file mode 100644
index 0000000..a2171a0
--- /dev/null
+++ b/common/no-id/driver.cxx
@@ -0,0 +1,102 @@
+// file      : common/no-id/driver.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+// Test persistent classes without id.
+//
+
+#include <memory>   // std::auto_ptr
+#include <cassert>
+#include <iostream>
+
+#include <odb/database.hxx>
+#include <odb/transaction.hxx>
+
+#include <common/common.hxx>
+
+#include "test.hxx"
+#include "test-odb.hxx"
+
+using namespace std;
+using namespace odb::core;
+
+int
+main (int argc, char* argv[])
+{
+  try
+  {
+    auto_ptr<database> db (create_database (argc, argv));
+
+    object o1 (1, "aaa");
+    object o2 (2, "bbb");
+    object o3 (3, "ccc");
+
+    // Persist.
+    //
+    {
+      transaction t (db->begin ());
+      db->persist (o1);
+      db->persist (o2);
+      db->persist (o2); // Ok, since there is no id.
+      db->persist (o3);
+      t.commit ();
+    }
+
+    // Compile errors.
+    //
+    {
+      //db->load<object> (1);
+      //db->find<object> (1);
+      //db->update (o1);
+      //db->erase<object> (1);
+    }
+
+    typedef odb::query<object> query;
+    typedef odb::result<object> result;
+
+    // Query.
+    //
+    {
+      transaction t (db->begin ());
+
+      {
+        result r (db->query<object> ());
+        assert (size (r) == 4);
+      }
+
+      {
+        result r (db->query<object> (query::str == "aaa"));
+        result::iterator i (r.begin ());
+        assert (i != r.end ());
+        assert (i->num == 1 && i->str == "aaa");
+        object o;
+        i.load (o);
+        //i.id (); // Compile-time error.
+        assert (o.num == 1 && o.str == "aaa");
+        assert (++i == r.end ());
+      }
+
+      {
+        result r (db->query<object> (query::num < 3));
+        assert (size (r) == 3);
+      }
+
+      t.commit ();
+    }
+
+    // Erase (query).
+    //
+    {
+      transaction t (db->begin ());
+      assert (db->erase_query<object> (query::num == 2) == 2);
+      assert (db->erase_query<object> () == 2);
+      t.commit ();
+    }
+  }
+  catch (const odb::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}
-- 
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