Use multi-pass table creation in MySQL

This deals with table creation order and circular dependencies.
Unfortunately, there doesn't seem to be a way in MySQL to drop
a foreign key only if it exists without resorting to stored
procedures.

1 files changed, 112 insertions, 0 deletions

diff --git a/common/schema/namespace/driver.cxx b/common/schema/namespace/driver.cxx
new file mode 100644
index 0000000..d74461c
--- /dev/null
+++ b/common/schema/namespace/driver.cxx
@@ -0,0 +1,112 @@
+// file      : common/schema/namespace/driver.cxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+// Test database schemas (aka database namespaces).
+//
+
+#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));
+
+    // Test database schema (aka database namespace).
+    //
+    using ns::object2;
+
+    object2 o2;
+    o2.id = "aaa";
+    o2.nums.push_back (1);
+    o2.nums.push_back (2);
+    o2.nums.push_back (3);
+    o2.obj1 = new object1;
+    o2.obj1->str = "aaa";
+
+    {
+      transaction t (db->begin ());
+      db->persist (o2.obj1);
+      db->persist (o2);
+      t.commit ();
+    }
+
+    {
+      transaction t (db->begin ());
+      auto_ptr<object2> p2 (db->load<object2> ("aaa"));
+      t.commit ();
+
+      assert (o2 == *p2);
+    }
+
+    {
+      typedef odb::query<object2> query;
+      typedef odb::result<object2> result;
+
+      transaction t (db->begin ());
+
+      {
+        result r (db->query<object2> (query::id == "aaa"));
+        assert (size (r) == 1);
+      }
+
+      {
+        result r (db->query<object2> (query::obj1->str == "aaa"));
+        assert (size (r) == 1);
+      }
+
+      t.commit ();
+    }
+
+    {
+      typedef odb::query<object_view> query;
+      typedef odb::result<object_view> result;
+
+      transaction t (db->begin ());
+
+      result r (db->query<object_view> (query::object2::id == "aaa"));
+
+      result::iterator i (r.begin ());
+      assert (i != r.end ());
+      assert (i->id2 == "aaa" && i->str == "aaa");
+      assert (++i == r.end ());
+
+      t.commit ();
+    }
+
+    {
+      typedef odb::result<table_view> result;
+
+      transaction t (db->begin ());
+
+      result r (db->query<table_view> ());
+
+      result::iterator i (r.begin ());
+      assert (i != r.end ());
+      assert (i->str == "aaa");
+      assert (++i == r.end ());
+
+      t.commit ();
+    }
+  }
+  catch (const odb::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}