Implement on_delete pragma for object pointers

Translates to the ON DELETE SQL clause.

1 files changed, 291 insertions, 0 deletions

diff --git a/common/relationship/basics/test.hxx b/common/relationship/basics/test.hxx
new file mode 100644
index 0000000..a320c00
--- /dev/null
+++ b/common/relationship/basics/test.hxx
@@ -0,0 +1,291 @@
+// file      : common/relationship/basics/test.hxx
+// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef TEST_HXX
+#define TEST_HXX
+
+#include <common/config.hxx> // HAVE_CXX11, HAVE_TR1_MEMORY
+
+#include <set>
+#include <map>
+#include <vector>
+#include <string>
+#include <memory>
+
+#include <odb/core.hxx>
+
+#if !defined(HAVE_CXX11) && defined(HAVE_TR1_MEMORY)
+#  include <odb/tr1/memory.hxx>
+#endif
+
+// Raw pointer.
+//
+#pragma db object pointer(obj1*)
+struct obj1
+{
+  obj1 () {}
+  obj1 (const std::string& i, const std::string& s): id (i), str (s) {}
+
+  #pragma db id
+  std::string id;
+  std::string str;
+};
+
+inline bool
+operator== (const obj1& x, const obj1& y)
+{
+  return x.id == y.id && x.str == y.str;
+}
+
+// vector
+//
+typedef std::vector<obj1*> obj1_vec;
+
+inline bool
+operator== (const obj1_vec& x, const obj1_vec& y)
+{
+  if (x.size () != y.size ())
+    return false;
+
+  for (obj1_vec::size_type i (0); i < x.size (); ++i)
+    if (!(x[i] ? (y[i] && *x[i] == *y[i]) : !y[i]))
+      return false;
+
+  return true;
+}
+
+// set
+//
+struct obj1_cmp
+{
+  bool
+  operator() (obj1* x, obj1* y) const
+  {
+    return (!x || !y) ? x < y : x->id < y->id;
+  }
+};
+
+typedef std::set<obj1*, obj1_cmp> obj1_set;
+
+inline bool
+operator== (const obj1_set& x, const obj1_set& y)
+{
+  if (x.size () != y.size ())
+    return false;
+
+  for (obj1_set::const_iterator i (x.begin ()); i != x.end (); ++i)
+  {
+    obj1_set::const_iterator j (y.find (*i));
+
+    if (j == y.end ())
+      return false;
+
+    obj1* x (*i);
+    obj1* y (*j);
+
+    if (!(x ? (y && *x == *y) : !y))
+      return false;
+  }
+
+  return true;
+}
+
+// map
+//
+typedef std::map<int, obj1*> obj1_map;
+
+inline bool
+operator== (const obj1_map& x, const obj1_map& y)
+{
+  if (x.size () != y.size ())
+    return false;
+
+  for (obj1_map::const_iterator i (x.begin ()); i != x.end (); ++i)
+  {
+    obj1_map::const_iterator j (y.find (i->first));
+
+    if (j == y.end ())
+      return false;
+
+    obj1* x (i->second);
+    obj1* y (j->second);
+
+    if (!(x ? (y && *x == *y) : !y))
+      return false;
+  }
+
+  return true;
+}
+
+// auto_ptr/unique_ptr
+//
+struct obj2;
+
+#ifdef HAVE_CXX11
+typedef std::unique_ptr<obj2> obj2_ptr;
+#else
+typedef std::auto_ptr<obj2> obj2_ptr;
+#endif
+
+#pragma db object pointer(obj2_ptr)
+struct obj2
+{
+  obj2 () {}
+  obj2 (const std::string& s): str (s) {}
+
+  #pragma db id auto
+  unsigned long id;
+
+  std::string str;
+};
+
+inline bool
+operator== (const obj2& x, const obj2& y)
+{
+  return x.id == y.id && x.str == y.str;
+}
+
+#ifdef HAVE_CXX11
+typedef std::vector<obj2_ptr> obj2_vec;
+
+inline bool
+operator== (const obj2_vec& x, const obj2_vec& y)
+{
+  if (x.size () != y.size ())
+    return false;
+
+  for (obj2_vec::size_type i (0); i < x.size (); ++i)
+    if (!(x[i] ? (y[i] && *x[i] == *y[i]) : !y[i]))
+      return false;
+
+  return true;
+}
+#endif
+
+// shared_ptr
+//
+#if defined(HAVE_CXX11) || defined(HAVE_TR1_MEMORY)
+struct obj3;
+
+#ifdef HAVE_CXX11
+typedef std::shared_ptr<obj3> obj3_ptr;
+#else
+typedef std::tr1::shared_ptr<obj3> obj3_ptr;
+#endif
+
+#pragma db object pointer(obj3_ptr)
+struct obj3
+{
+  obj3 () {}
+  obj3 (const std::string& s): str (s) {}
+
+  #pragma db id auto
+  unsigned long id;
+
+  std::string str;
+};
+
+inline bool
+operator== (const obj3& x, const obj3& y)
+{
+  return x.id == y.id && x.str == y.str;
+}
+
+// composite
+//
+#pragma db value
+struct comp
+{
+  comp () {}
+  comp (int n, obj3_ptr o): num (n), o3 (o) {}
+
+  int num;
+  obj3_ptr o3;
+};
+
+inline bool
+operator== (const comp& x, const comp& y)
+{
+  return x.num == y.num &&
+    (x.o3 ? (y.o3 && *x.o3 == *y.o3) : !y.o3);
+}
+
+typedef std::vector<comp> comp_vec;
+#endif
+
+//
+//
+#pragma db object
+struct aggr
+{
+  aggr (): o1 (0) {}
+  aggr (const std::string& s): o1 (0), str (s) {}
+
+  ~aggr ()
+  {
+    delete o1;
+
+    for (obj1_vec::iterator i (v1.begin ()); i != v1.end (); ++i)
+      delete *i;
+
+    for (obj1_set::iterator i (s1.begin ()); i != s1.end (); ++i)
+      delete *i;
+
+    for (obj1_map::iterator i (m1.begin ()); i != m1.end (); ++i)
+      delete i->second;
+  }
+
+  #pragma db id auto
+  unsigned long id;
+
+  obj1* o1;
+
+  obj2_ptr o2; // std::auto_ptr or std::unique_ptr
+#ifdef HAVE_CXX11
+  obj2_vec v2;
+#else
+  // Dummy containers to get the equivalent DROP TABLE statements.
+  //
+  std::vector<int> v2;
+#endif
+
+#if defined(HAVE_CXX11) || defined(HAVE_TR1_MEMORY)
+  obj3_ptr o3;
+  comp c;
+  comp_vec cv;
+#endif
+
+  obj1_vec v1;
+  obj1_set s1;
+  obj1_map m1;
+
+  std::string str;
+
+private:
+  aggr (const aggr&);
+  aggr& operator= (const aggr&);
+};
+
+inline bool
+operator== (const aggr& x, const aggr& y)
+{
+  return
+    x.id == y.id &&
+    (x.o1 ? (y.o1 && *x.o1 == *y.o1) : !y.o1) &&
+    (x.o2.get () ? (y.o2.get () && *x.o2 == *y.o2) : !y.o2.get ()) &&
+#ifdef HAVE_CXX11
+    x.v2 == y.v2 &&
+#endif
+#if defined(HAVE_CXX11) || defined(HAVE_TR1_MEMORY)
+    (x.o3.get () ? (y.o3.get () && *x.o3 == *y.o3) : !y.o3.get ()) &&
+    x.c == y.c &&
+    x.cv == y.cv &&
+#endif
+    x.v1 == y.v1 &&
+    x.s1 == y.s1 &&
+    x.m1 == y.m1 &&
+    x.str == y.str;
+}
+
+#endif // TEST_HXX