Implement on_delete pragma for object pointers

Translates to the ON DELETE SQL clause.

1 files changed, 159 insertions, 0 deletions

diff --git a/common/relationship/basics/driver.cxx b/common/relationship/basics/driver.cxx
new file mode 100644
index 0000000..8ad866f
--- /dev/null
+++ b/common/relationship/basics/driver.cxx
@@ -0,0 +1,159 @@
+// file      : common/relationship/basics/driver.cxx
+// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+// Test object relationships.
+//
+
+#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));
+
+    aggr a ("aggr");
+    a.o1 = new obj1 ("o1", "obj1");
+    a.o2.reset (new obj2 ("obj2"));
+
+#ifdef HAVE_CXX11
+    a.v2.push_back (obj2_ptr (new obj2 ("v1 obj2 1")));
+    a.v2.push_back (0);
+    a.v2.push_back (obj2_ptr (new obj2 ("v1 obj2 2")));
+#endif
+
+#if defined(HAVE_CXX11) || defined(HAVE_TR1_MEMORY)
+    a.o3.reset (new obj3 ("obj3"));
+
+    a.c.num = 123;
+    a.c.o3.reset (new obj3 ("c"));
+
+    a.cv.push_back (comp (234, obj3_ptr (new obj3 ("cv 0"))));
+    a.cv.push_back (comp (235, obj3_ptr ()));
+    a.cv.push_back (comp (236, obj3_ptr (new obj3 ("cv 2"))));
+#endif
+
+    a.v1.push_back (new obj1 ("v1 0", "v1 0"));
+    a.v1.push_back (0);
+    a.v1.push_back (new obj1 ("v1 2", "v1 2"));
+
+    // Set cannot contain NULL pointers.
+    //
+    a.s1.insert (new obj1 ("s1 0", "s1 0"));
+    a.s1.insert (new obj1 ("s1 2", "s1 2"));
+
+    a.m1[0] = new obj1 ("m1 0", "m1 0");
+    a.m1[1] = 0;
+    a.m1[2] = new obj1 ("m1 2", "m1 2");
+
+    // persist
+    //
+    {
+      transaction t (db->begin ());
+      db->persist (a.o1);
+      db->persist (a.o2);
+
+#ifdef HAVE_CXX11
+      for (obj2_vec::iterator i (a.v2.begin ()); i != a.v2.end (); ++i)
+        if (*i)
+          db->persist (*i);
+#endif
+
+#if defined(HAVE_CXX11) || defined(HAVE_TR1_MEMORY)
+      db->persist (a.o3);
+
+      db->persist (a.c.o3);
+
+      for (comp_vec::iterator i (a.cv.begin ()); i != a.cv.end (); ++i)
+        if (i->o3)
+          db->persist (i->o3);
+#endif
+
+      for (obj1_vec::iterator i (a.v1.begin ()); i != a.v1.end (); ++i)
+        if (*i)
+          db->persist (*i);
+
+      for (obj1_set::iterator i (a.s1.begin ()); i != a.s1.end (); ++i)
+        if (*i)
+          db->persist (*i);
+
+      for (obj1_map::iterator i (a.m1.begin ()); i != a.m1.end (); ++i)
+        if (i->second)
+          db->persist (i->second);
+
+      db->persist (a);
+      t.commit ();
+    }
+
+    // load & compare
+    //
+    {
+      transaction t (db->begin ());
+      auto_ptr<aggr> a1 (db->load<aggr> (a.id));
+      t.commit ();
+
+      assert (*a1 == a);
+    }
+
+    // query
+    //
+    typedef odb::query<aggr> query;
+    typedef odb::result<aggr> result;
+
+    {
+      transaction t (db->begin ());
+
+      result r (db->query<aggr> (query::o1->str == "obj1"));
+      assert (!r.empty ());
+      assert (r.begin ()->o1->id == a.o1->id);
+      assert (size (r) == 1);
+
+      t.commit ();
+    }
+
+    // Test NULL pointer.
+    //
+    delete a.o1;
+    a.o1 = 0;
+    a.o2.reset ();
+#if defined(HAVE_CXX11) || defined(HAVE_TR1_MEMORY)
+    a.o3.reset ();
+#endif
+
+    {
+      transaction t (db->begin ());
+      db->update (a);
+      t.commit ();
+    }
+
+    // load & compare
+    //
+    {
+      transaction t (db->begin ());
+      auto_ptr<aggr> a1 (db->load<aggr> (a.id));
+      t.commit ();
+
+      assert (*a1 == a);
+    }
+  }
+  catch (const odb::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}