1 files changed, 47 insertions, 0 deletions
diff --git a/libcommon/common.hxx b/libcommon/common.hxx
new file mode 100644
index 0000000..9ab978d
--- /dev/null
+++ b/libcommon/common.hxx
@@ -0,0 +1,47 @@
+// file      : libcommon/common.hxx
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef LIBCOMMON_COMMON_HXX
+#define LIBCOMMON_COMMON_HXX
+
+#include <memory>  // std::unique_ptr
+#include <cstddef> // std::size_t
+
+#include <odb/result.hxx>
+#include <odb/database.hxx>
+
+#include <libcommon/export.hxx>
+
+LIBCOMMON_SYMEXPORT std::unique_ptr<odb::database>
+create_database (int argc,
+                 char* argv[],
+                 bool create_schema = true,
+                 std::size_t max_connections = 0,
+                 odb::database_id db = odb::id_common);
+
+template <typename T>
+std::unique_ptr<T>
+create_specific_database (int argc,
+                          char* argv[],
+                          bool create_schema = true,
+                          std::size_t max_connections = 0)
+{
+  std::unique_ptr<odb::database> r (
+    create_database (argc, argv,
+                     create_schema,
+                     max_connections,
+                     T::database_id));
+
+  return std::unique_ptr<T> (&dynamic_cast<T&> (*r.release ()));
+}
+
+// This function returns an accurate result only if the result iterator
+// hasn't been advanced and after the call the result is no longer valid.
+//
+template <typename T>
+std::size_t
+size (odb::result<T>);
+
+#include <libcommon/common.txx>
+
+#endif // LIBCOMMON_COMMON_HXX