From 4f22837bda784e29f17750c8f1d623b40c1093d4 Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Wed, 4 Dec 2013 11:30:33 +0200 Subject: Implement on_delete pragma for object pointers Translates to the ON DELETE SQL clause. --- common/relationship/on-delete/driver.cxx | 81 +++++++++++++++++++++ common/relationship/on-delete/makefile | 117 +++++++++++++++++++++++++++++++ common/relationship/on-delete/test.hxx | 59 ++++++++++++++++ common/relationship/on-delete/test.std | 0 4 files changed, 257 insertions(+) create mode 100644 common/relationship/on-delete/driver.cxx create mode 100644 common/relationship/on-delete/makefile create mode 100644 common/relationship/on-delete/test.hxx create mode 100644 common/relationship/on-delete/test.std (limited to 'common/relationship/on-delete') diff --git a/common/relationship/on-delete/driver.cxx b/common/relationship/on-delete/driver.cxx new file mode 100644 index 0000000..25b534b --- /dev/null +++ b/common/relationship/on-delete/driver.cxx @@ -0,0 +1,81 @@ +// file : common/relationship/on-delete/driver.cxx +// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +// Test ON DELETE functionality. +// + +#include // std::auto_ptr +#include +#include + +#include +#include + +#include + +#include "test.hxx" +#include "test-odb.hxx" + +using namespace std; +using namespace odb::core; + +int +main (int argc, char* argv[]) +{ + try + { + auto_ptr db (create_database (argc, argv)); + + object o; + + cascade c; + c.p = &o; + + cascade_cont cc; + cc.p.push_back (&o); + + set_null n; + n.p = &o; + + set_null_cont nc; + nc.p.push_back (&o); + + { + transaction t (db->begin ()); + db->persist (o); + db->persist (c); + db->persist (cc); + db->persist (n); + db->persist (nc); + t.commit (); + } + + { + transaction t (db->begin ()); + db->erase (o); + t.commit (); + } + + { + transaction t (db->begin ()); + assert (db->find (c.id) == 0); + + auto_ptr pcc (db->load (cc.id)); + assert (pcc->p.empty ()); + + auto_ptr pn (db->load (n.id)); + assert (pn->p == 0); + + auto_ptr pnc (db->load (nc.id)); + assert (pnc->p.size () == 1 && pnc->p[0] == 0); + + t.commit (); + } + } + catch (const odb::exception& e) + { + cerr << e.what () << endl; + return 1; + } +} diff --git a/common/relationship/on-delete/makefile b/common/relationship/on-delete/makefile new file mode 100644 index 0000000..bdda5be --- /dev/null +++ b/common/relationship/on-delete/makefile @@ -0,0 +1,117 @@ +# file : common/relationship/on-delete/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) $(dist): export odb_options += --generate-schema \ +--fkeys-deferrable-mode mysql:not_deferrable \ +--fkeys-deferrable-mode mssql:not_deferrable \ +--table-prefix t_rel_on_d_ +$(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/on-delete/test.hxx b/common/relationship/on-delete/test.hxx new file mode 100644 index 0000000..dba04c3 --- /dev/null +++ b/common/relationship/on-delete/test.hxx @@ -0,0 +1,59 @@ +// file : common/relationship/on-delete/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 + +#include + +#pragma db object +struct object +{ + #pragma db id auto + unsigned long id; +}; + +#pragma db object +struct cascade +{ + #pragma db id auto + unsigned long id; + + #pragma db on_delete(cascade) + object* p; +}; + +#pragma db object +struct cascade_cont +{ + #pragma db id auto + unsigned long id; + + #pragma db on_delete(cascade) + std::vector p; +}; + +#pragma db object +struct set_null +{ + #pragma db id auto + unsigned long id; + + #pragma db on_delete(set_null) + object* p; +}; + +#pragma db object +struct set_null_cont +{ + #pragma db id auto + unsigned long id; + + #pragma db on_delete(set_null) + std::vector p; +}; + +#endif // TEST_HXX diff --git a/common/relationship/on-delete/test.std b/common/relationship/on-delete/test.std new file mode 100644 index 0000000..e69de29 -- cgit v1.1