Implement on_delete pragma for object pointers

Translates to the ON DELETE SQL clause.

4 files changed, 565 insertions, 0 deletions

diff --git a/common/relationship/basics/driver.cxx b/common/relationship/basics/driver.cxx
new file mode 100644
index 0000000..8ad866f
--- /dev/null
+++ b/common/relationship/basics/driver.cxx
@@ -0,0 +1,159 @@
+// file      : common/relationship/basics/driver.cxx
+// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+// Test object relationships.
+//
+
+#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));
+
+    aggr a ("aggr");
+    a.o1 = new obj1 ("o1", "obj1");
+    a.o2.reset (new obj2 ("obj2"));
+
+#ifdef HAVE_CXX11
+    a.v2.push_back (obj2_ptr (new obj2 ("v1 obj2 1")));
+    a.v2.push_back (0);
+    a.v2.push_back (obj2_ptr (new obj2 ("v1 obj2 2")));
+#endif
+
+#if defined(HAVE_CXX11) || defined(HAVE_TR1_MEMORY)
+    a.o3.reset (new obj3 ("obj3"));
+
+    a.c.num = 123;
+    a.c.o3.reset (new obj3 ("c"));
+
+    a.cv.push_back (comp (234, obj3_ptr (new obj3 ("cv 0"))));
+    a.cv.push_back (comp (235, obj3_ptr ()));
+    a.cv.push_back (comp (236, obj3_ptr (new obj3 ("cv 2"))));
+#endif
+
+    a.v1.push_back (new obj1 ("v1 0", "v1 0"));
+    a.v1.push_back (0);
+    a.v1.push_back (new obj1 ("v1 2", "v1 2"));
+
+    // Set cannot contain NULL pointers.
+    //
+    a.s1.insert (new obj1 ("s1 0", "s1 0"));
+    a.s1.insert (new obj1 ("s1 2", "s1 2"));
+
+    a.m1[0] = new obj1 ("m1 0", "m1 0");
+    a.m1[1] = 0;
+    a.m1[2] = new obj1 ("m1 2", "m1 2");
+
+    // persist
+    //
+    {
+      transaction t (db->begin ());
+      db->persist (a.o1);
+      db->persist (a.o2);
+
+#ifdef HAVE_CXX11
+      for (obj2_vec::iterator i (a.v2.begin ()); i != a.v2.end (); ++i)
+        if (*i)
+          db->persist (*i);
+#endif
+
+#if defined(HAVE_CXX11) || defined(HAVE_TR1_MEMORY)
+      db->persist (a.o3);
+
+      db->persist (a.c.o3);
+
+      for (comp_vec::iterator i (a.cv.begin ()); i != a.cv.end (); ++i)
+        if (i->o3)
+          db->persist (i->o3);
+#endif
+
+      for (obj1_vec::iterator i (a.v1.begin ()); i != a.v1.end (); ++i)
+        if (*i)
+          db->persist (*i);
+
+      for (obj1_set::iterator i (a.s1.begin ()); i != a.s1.end (); ++i)
+        if (*i)
+          db->persist (*i);
+
+      for (obj1_map::iterator i (a.m1.begin ()); i != a.m1.end (); ++i)
+        if (i->second)
+          db->persist (i->second);
+
+      db->persist (a);
+      t.commit ();
+    }
+
+    // load & compare
+    //
+    {
+      transaction t (db->begin ());
+      auto_ptr<aggr> a1 (db->load<aggr> (a.id));
+      t.commit ();
+
+      assert (*a1 == a);
+    }
+
+    // query
+    //
+    typedef odb::query<aggr> query;
+    typedef odb::result<aggr> result;
+
+    {
+      transaction t (db->begin ());
+
+      result r (db->query<aggr> (query::o1->str == "obj1"));
+      assert (!r.empty ());
+      assert (r.begin ()->o1->id == a.o1->id);
+      assert (size (r) == 1);
+
+      t.commit ();
+    }
+
+    // Test NULL pointer.
+    //
+    delete a.o1;
+    a.o1 = 0;
+    a.o2.reset ();
+#if defined(HAVE_CXX11) || defined(HAVE_TR1_MEMORY)
+    a.o3.reset ();
+#endif
+
+    {
+      transaction t (db->begin ());
+      db->update (a);
+      t.commit ();
+    }
+
+    // load & compare
+    //
+    {
+      transaction t (db->begin ());
+      auto_ptr<aggr> a1 (db->load<aggr> (a.id));
+      t.commit ();
+
+      assert (*a1 == a);
+    }
+  }
+  catch (const odb::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}
diff --git a/common/relationship/basics/makefile b/common/relationship/basics/makefile
new file mode 100644
index 0000000..068f60a
--- /dev/null
+++ b/common/relationship/basics/makefile
@@ -0,0 +1,115 @@
+# file      : common/relationship/basics/makefile
+# copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
+# license   : GNU GPL v2; see accompanying LICENSE file
+
+include $(dir $(lastword $(MAKEFILE_LIST)))../../../build/bootstrap.make
+
+cxx_tun := driver.cxx
+odb_hdr := test.hxx
+genf    := $(call odb-gen,$(odb_hdr))
+gen     := $(addprefix $(out_base)/,$(genf))
+cxx_obj := $(addprefix $(out_base)/,$(cxx_tun:.cxx=.o)) $(filter %.o,$(gen:.cxx=.o))
+cxx_od  := $(cxx_obj:.o=.o.d)
+
+common.l             := $(out_root)/libcommon/common/common.l
+common.l.cpp-options := $(out_root)/libcommon/common/common.l.cpp-options
+
+# Import.
+#
+$(call import,\
+  $(scf_root)/import/odb/stub.make,\
+  odb: odb,odb-rules: odb_rules)
+
+# Build.
+#
+$(driver): $(cxx_obj) $(common.l)
+$(cxx_obj) $(cxx_od): cpp_options := -I$(out_base) -I$(src_base)
+$(cxx_obj) $(cxx_od): $(common.l.cpp-options)
+
+$(gen): $(odb)
+$(gen): odb := $(odb)
+$(gen) $(dist): export odb_options += --generate-schema --generate-query \
+--table-prefix t_rel_basics_
+$(gen): cpp_options := -I$(src_base)
+$(gen): $(common.l.cpp-options)
+
+ifneq ($(db_id),common)
+$(gen): odb_options += --database $(db_id)
+else
+$(gen): odb_options += --multi-database dynamic
+endif
+
+$(call include-dep,$(cxx_od),$(cxx_obj),$(gen))
+
+# Alias for default target.
+#
+$(out_base)/: $(driver)
+
+# Dist
+#
+name := $(subst /,-,$(subst $(src_root)/common/,,$(src_base)))
+
+$(dist): sources := $(cxx_tun)
+$(dist): headers := $(odb_hdr)
+$(dist): data_dist := test.std
+$(dist): export name := $(name)
+$(dist): export extra_dist := $(data_dist) $(call vc8projs,$(name)) \
+$(call vc9projs,$(name)) $(call vc10projs,$(name)) $(call vc11projs,$(name))
+$(dist):
+	$(call dist-data,$(sources) $(headers) $(data_dist))
+	$(call meta-automake,../template/Makefile.am)
+	$(call meta-vc8projs,../template/template,$(name))
+	$(call meta-vc9projs,../template/template,$(name))
+	$(call meta-vc10projs,../template/template,$(name))
+	$(call meta-vc11projs,../template/template,$(name))
+
+# Test.
+#
+ifneq ($(db_id),common)
+$(eval $(call test-rule))
+else
+$(foreach d,$(databases),$(eval $(call test-rule,$d)))
+endif
+
+# Clean.
+#
+$(clean):                            \
+  $(driver).o.clean                  \
+  $(addsuffix .cxx.clean,$(cxx_obj)) \
+  $(addsuffix .cxx.clean,$(cxx_od))  \
+  $(addsuffix .hxx.clean,$(filter %.cxx,$(gen)))
+	$(call message,,rm -f $(out_base)/test.out)
+
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(genf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+# How to.
+#
+$(call include,$(bld_root)/dist.make)
+$(call include,$(bld_root)/meta/vc8proj.make)
+$(call include,$(bld_root)/meta/vc9proj.make)
+$(call include,$(bld_root)/meta/vc10proj.make)
+$(call include,$(bld_root)/meta/vc11proj.make)
+$(call include,$(bld_root)/meta/automake.make)
+
+$(call include,$(bld_root)/cxx/standard.make) # cxx_standard
+ifdef cxx_standard
+$(gen): odb_options += --std $(cxx_standard)
+$(call include,$(odb_rules))
+endif
+
+$(call include,$(bld_root)/cxx/cxx-d.make)
+$(call include,$(bld_root)/cxx/cxx-o.make)
+$(call include,$(bld_root)/cxx/o-e.make)
+
+# Dependencies.
+#
+$(call import,$(src_root)/libcommon/makefile)
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
diff --git a/common/relationship/basics/test.std b/common/relationship/basics/test.std
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/common/relationship/basics/test.std