Add support for custom database type mapping

New pragma qualifier, map, and specifiers: as, to, from. New tests:
<database>/custom.

1 files changed, 41 insertions, 0 deletions

diff --git a/oracle/custom/test.hxx b/oracle/custom/test.hxx
new file mode 100644
index 0000000..cc46512
--- /dev/null
+++ b/oracle/custom/test.hxx
@@ -0,0 +1,41 @@
+// file      : oracle/custom/test.hxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef TEST_HXX
+#define TEST_HXX
+
+#include <vector>
+
+#include <odb/core.hxx>
+
+// Map Numbers VARRAY Oracle type to std::vector<int>. This type is defined
+// in the custom.sql file along with two helper functions that convert
+// between Numbers and its string representation. The other half of this
+// mapping is in traits.hxx (value_traits<std::vector<int>, id_string>).
+//
+#pragma db map type("Numbers")                               \
+               as("VARCHAR2(1500)")                          \
+               to("CAST(string_to_numbers((?)) AS Numbers)") \
+               from("numbers_to_string((?))")
+
+#pragma db object
+struct object
+{
+  object () {}
+  object (unsigned long id_) : id (id_) {}
+
+  #pragma db id
+  unsigned long id;
+
+  #pragma db type("Numbers")
+  std::vector<int> iv;
+
+  bool
+  operator== (const object& y) const
+  {
+    return id == y.id && iv == y.iv;
+  }
+};
+
+#endif // TEST_HXX