Add hello example

1 files changed, 65 insertions, 0 deletions

diff --git a/hello/driver.cxx b/hello/driver.cxx
new file mode 100644
index 0000000..2c3edff
--- /dev/null
+++ b/hello/driver.cxx
@@ -0,0 +1,65 @@
+// file      : hello/driver.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : not copyrighted - public domain
+
+#include <memory>   // std::auto_ptr
+#include <iostream>
+
+#include <odb/database.hxx>
+#include <odb/transaction.hxx>
+
+#include "database.hxx" // create_database
+
+#include "person.hxx"
+#include "person-odb.hxx"
+
+using namespace std;
+using namespace odb;
+
+int
+main (int argc, char* argv[])
+{
+  try
+  {
+    auto_ptr<database> db (create_database (argc, argv));
+
+    // Create a few persistent person objects.
+    //
+    {
+      person john_doe ("John", "Doe", 29);
+      person jane_doe ("Jane", "Doe", 28);
+      person joe_dirt ("Joe", "Dirt", 31);
+
+      transaction t (db->begin_transaction ());
+
+      db->persist (john_doe);
+      db->persist (jane_doe);
+      db->persist (joe_dirt);
+
+      t.commit ();
+    }
+
+    // Say hello to those under 30.
+    //
+    {
+      typedef odb::query<person> query;
+      typedef odb::result<person> result;
+
+      transaction t (db->begin_transaction ());
+
+      result r (db->query<person> (query::age < 30));
+
+      for (result::iterator i (r.begin ()); i != r.end (); ++i)
+      {
+        cout << "Hello, " << i->first () << " " << i->last () << "!" << endl;
+      }
+
+      t.commit ();
+    }
+  }
+  catch (const odb::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}