diff options
Diffstat (limited to 'oracle/custom')
| -rw-r--r-- | oracle/custom/custom.sql | 61 | ||||
| -rw-r--r-- | oracle/custom/driver.cxx | 77 | ||||
| -rw-r--r-- | oracle/custom/makefile | 112 | ||||
| -rw-r--r-- | oracle/custom/test.hxx | 41 | ||||
| -rw-r--r-- | oracle/custom/test.std | 0 | ||||
| -rw-r--r-- | oracle/custom/traits.hxx | 77 |
6 files changed, 368 insertions, 0 deletions
diff --git a/oracle/custom/custom.sql b/oracle/custom/custom.sql new file mode 100644 index 0000000..3200e74 --- /dev/null +++ b/oracle/custom/custom.sql @@ -0,0 +1,61 @@ +/* This file contains custom type definitions and helper functions. + */ + +SET FEEDBACK OFF; +WHENEVER SQLERROR EXIT FAILURE; +WHENEVER OSERROR EXIT FAILURE; + +-- @@ Temporary workaround: we cannot replace a type if there are +-- tables that use it. So need to drop the tables first, then +-- create/replace the type, and then create the tables. +-- +--CREATE OR REPLACE TYPE Numbers AS VARRAY(100) OF NUMBER(10); + +BEGIN + BEGIN + EXECUTE IMMEDIATE 'CREATE TYPE Numbers AS VARRAY(100) OF NUMBER(10)'; + EXCEPTION + WHEN OTHERS THEN + IF SQLCODE != -955 THEN RAISE; END IF; + END; +END; +/ + +CREATE OR REPLACE FUNCTION string_to_numbers(in_str IN VARCHAR2) RETURN Numbers +IS + ret Numbers := Numbers(); + s_pos NUMBER := 1; + e_pos NUMBER := 0; +BEGIN + IF in_str IS NOT NULL THEN + LOOP + e_pos := INSTR(in_str, ',', s_pos); + EXIT WHEN e_pos = 0; + ret.extend; + ret(ret.COUNT) := CAST(SUBSTR(in_str, s_pos, e_pos - s_pos) AS NUMBER); + s_pos := e_pos + 1; + END LOOP; + ret.extend; + ret(ret.COUNT) := CAST(SUBSTR(in_str, s_pos) AS NUMBER); + END IF; + RETURN ret; +END; +/ + +CREATE OR REPLACE FUNCTION numbers_to_string(in_nums IN Numbers) RETURN VARCHAR2 +IS + ret VARCHAR2(1500); +BEGIN + IF in_nums.COUNT != 0 THEN + FOR i IN in_nums.FIRST .. in_nums.LAST LOOP + IF i != in_nums.FIRST THEN + ret := ret || ','; + END IF; + ret := ret || in_nums(i); + END LOOP; + END IF; + RETURN ret; +END; +/ + +EXIT; diff --git a/oracle/custom/driver.cxx b/oracle/custom/driver.cxx new file mode 100644 index 0000000..2425b29 --- /dev/null +++ b/oracle/custom/driver.cxx @@ -0,0 +1,77 @@ +// file : oracle/custom/driver.cxx +// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +// Test custom database type mapping in Oracle. +// + +#include <memory> // std::auto_ptr +#include <cassert> +#include <iostream> + +#include <odb/oracle/database.hxx> +#include <odb/oracle/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)); + + object o (1); + o.iv.push_back (123); + o.iv.push_back (234); + o.iv.push_back (-345); + + // Persist. + // + { + transaction t (db->begin ()); + db->persist (o); + t.commit (); + } + + // Load. + // + { + transaction t (db->begin ()); + auto_ptr<object> o1 (db->load<object> (1)); + t.commit (); + + assert (o == *o1); + } + + // Update. + // + o.iv[0]++; + o.iv.pop_back (); + + { + transaction t (db->begin ()); + db->update (o); + t.commit (); + } + + { + transaction t (db->begin ()); + auto_ptr<object> o1 (db->load<object> (1)); + t.commit (); + + assert (o == *o1); + } + } + catch (const odb::exception& e) + { + cerr << e.what () << endl; + return 1; + } +} diff --git a/oracle/custom/makefile b/oracle/custom/makefile new file mode 100644 index 0000000..97cdb2c --- /dev/null +++ b/oracle/custom/makefile @@ -0,0 +1,112 @@ +# file : oracle/custom/makefile +# copyright : Copyright (c) 2009-2012 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 +cxx_obj := $(addprefix $(out_base)/,$(cxx_tun:.cxx=.o) $(odb_hdr:.hxx=-odb.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 + +driver := $(out_base)/driver +dist := $(out_base)/.dist +test := $(out_base)/.test +clean := $(out_base)/.clean + +# Import. +# +$(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) + +genf := $(addprefix $(odb_hdr:.hxx=-odb),.hxx .ixx .cxx) $(odb_hdr:.hxx=.sql) +gen := $(addprefix $(out_base)/,$(genf)) + +$(gen): $(odb) +$(gen): odb := $(odb) +$(gen) $(dist): export odb_options += --database oracle --generate-schema \ +--generate-query --hxx-prologue '\#include "traits.hxx"' \ +--table-prefix oracle_custom_ +$(gen): cpp_options := -I$(src_base) +$(gen): $(common.l.cpp-options) + +$(call include-dep,$(cxx_od),$(cxx_obj),$(gen)) + +# Alias for default target. +# +$(out_base)/: $(driver) + +# Dist +# +$(dist): sources := $(cxx_tun) +$(dist): headers := $(odb_hdr) +$(dist): export extra_headers := traits.hxx custom.sql +$(dist): data_dist := test.std +$(dist): export name := $(subst /,-,$(subst $(src_root)/oracle/,,$(src_base))) +$(dist): export extra_dist := $(data_dist) $(name)-vc9.vcproj \ +$(name)-vc10.vcxproj $(name)-vc10.vcxproj.filters +$(dist): + $(call dist-data,$(sources) $(headers) $(extra_headers) $(data_dist)) + $(call meta-automake,../template/Makefile.am) + $(call meta-vc9proj,../template/template-vc9.vcproj,$(name)-vc9.vcproj) + $(call meta-vc10proj,../template/template-vc10.vcxproj,$(name)-vc10.vcxproj) + +# Test. +# +$(test): $(driver) $(src_base)/test.std + $(call schema, custom.sql) + $(call message,test $<,$< --options-file $(dcf_root)/db.options \ +>$(out_base)/test.out) + $(call message,,diff -u $(src_base)/test.std $(out_base)/test.out) + $(call message,,rm -f $(out_base)/test.out) + +# Clean. +# +$(clean): \ + $(driver).o.clean \ + $(addsuffix .cxx.clean,$(cxx_obj)) \ + $(addsuffix .cxx.clean,$(cxx_od)) \ + $(addprefix $(out_base)/,$(odb_hdr:.hxx=-odb.cxx.hxx.clean)) + $(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,$(bld_root)/meta/vc9proj.make) +$(call include,$(bld_root)/meta/vc10proj.make) +$(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/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 diff --git a/oracle/custom/test.std b/oracle/custom/test.std new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/oracle/custom/test.std diff --git a/oracle/custom/traits.hxx b/oracle/custom/traits.hxx new file mode 100644 index 0000000..8f3e81e --- /dev/null +++ b/oracle/custom/traits.hxx @@ -0,0 +1,77 @@ +// file : oracle/types/traits.hxx +// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef TRAITS_HXX +#define TRAITS_HXX + +#include <vector> +#include <sstream> +#include <cstring> // std::memcpy +#include <cassert> // std::memcpy + +#include <odb/oracle/traits.hxx> + +namespace odb +{ + namespace oracle + { + + template <> + class value_traits<std::vector<int>, id_string> + { + public: + typedef std::vector<int> value_type; + typedef value_type query_type; + typedef details::buffer image_type; + + static void + set_value (value_type& v, + const char* b, + std::size_t n, + bool is_null) + { + v.clear (); + + if (!is_null) + { + // Array format is "n1,n2,n3...". + // + std::istringstream is (std::string (b, n)); + + for (char c; !is.eof (); is >> c) + { + v.push_back (int ()); + is >> v.back (); + } + } + } + + static void + set_image (char* b, + std::size_t c, + std::size_t& n, + bool& is_null, + const value_type& v) + { + is_null = false; + std::ostringstream os; + + for (value_type::const_iterator i (v.begin ()), e (v.end ()); i != e;) + { + os << *i; + + if (++i != e) + os << ','; + } + + const std::string& s (os.str ()); + n = s.size (); + assert (n <= c); + std::memcpy (b, s.c_str (), n); + } + }; + } +} + +#endif // TRAITS_HXX |