From 504fa38f3f71c345f41dfbb7e59b1d2f88308987 Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Wed, 4 Feb 2015 17:23:54 +0200 Subject: Implement object loading views See section 10.2 in the manual for details. --- common/view/basics/driver.cxx | 662 ++++++++++++++++++++++++++++++++++++++++++ common/view/basics/makefile | 118 ++++++++ common/view/basics/test.hxx | 495 +++++++++++++++++++++++++++++++ common/view/basics/test.std | 0 4 files changed, 1275 insertions(+) create mode 100644 common/view/basics/driver.cxx create mode 100644 common/view/basics/makefile create mode 100644 common/view/basics/test.hxx create mode 100644 common/view/basics/test.std (limited to 'common/view/basics') diff --git a/common/view/basics/driver.cxx b/common/view/basics/driver.cxx new file mode 100644 index 0000000..e1a72f7 --- /dev/null +++ b/common/view/basics/driver.cxx @@ -0,0 +1,662 @@ +// file : common/view/basics/driver.cxx +// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +// Test view basics. +// + +#include // std::auto_ptr +#include +#include + +#include +#include + +#include +#include // DATABASE_XXX + +#include "test.hxx" +#include "test-odb.hxx" + +using namespace std; +using namespace odb::core; + +template +void +view1_check (odb::result& r) +{ + typedef odb::result result; + + typename result::iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->first == "Jane" && i->last == "Doe" && i->age == 29); + + assert (++i != r.end ()); + V v; + i.load (v); + assert (v.first == "John" && v.last == "Doe" && v.age == 30); + + assert (++i == r.end ()); +} + +template +void +view2_test (const auto_ptr& db) +{ + typedef odb::query query; + typedef odb::result result; + typedef typename result::iterator iterator; + + transaction t (db->begin ()); + + { + result r (db->query ()); + iterator i (r.begin ()); + assert (i != r.end ()); + assert (i->count == 4); + } + + { + result r; + if (db->id () != odb::id_oracle) + r = db->query ("age < 31"); + else + r = db->query ("\"age\" < 31"); + + iterator i (r.begin ()); + assert (i != r.end ()); + assert (i->count == 2); + } + + { + result r (db->query (query::age < 31)); + iterator i (r.begin ()); + assert (i != r.end ()); + assert (i->count == 2); + } + + { + auto_ptr v (db->query_one ()); + assert (v->count == 4); + } + + { + auto_ptr v; + if (db->id () != odb::id_oracle) + v.reset (db->query_one ("age < 31")); + else + v.reset (db->query_one ("\"age\" < 31")); + assert (v->count == 2); + } + + { + auto_ptr v (db->query_one (query::age < 31)); + assert (v->count == 2); + } + + t.commit (); +} + +template +void +view4_test (const auto_ptr& db) +{ + typedef odb::query query; + typedef odb::result result; + typedef typename result::iterator iterator; + + transaction t (db->begin ()); + + { + result r; + if (db->id () != odb::id_oracle) + r = db->query ((query::person::age > 30) + "ORDER BY age"); + else + r = db->query ((query::person::age > 30) + "ORDER BY \"age\""); + + iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->first_name == "Joe" && i->last_name == "Dirt" && + i->name == "United States"); + + assert (++i != r.end ()); + assert (i->first_name == "Johan" && i->last_name == "Johansen" && + i->name == "Sweden"); + + assert (++i == r.end ()); + } + + { + result r (db->query ( + (query::person::age > 30) + + "ORDER BY " + query::person::age)); + + iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->first_name == "Joe" && i->last_name == "Dirt" && + i->name == "United States"); + + assert (++i != r.end ()); + assert (i->first_name == "Johan" && i->last_name == "Johansen" && + i->name == "Sweden"); + + assert (++i == r.end ()); + } + + { + result r (db->query (query::residence::code == "US")); + + iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->first_name == "Joe" && i->last_name == "Dirt" && + i->name == "United States"); + + assert (++i == r.end ()); + } + + t.commit (); +} + +template +void +view6_test (const auto_ptr& db, const odb::query& q) +{ + typedef odb::result result; + typedef typename result::iterator iterator; + + transaction t (db->begin ()); + + { + result r (db->query (q)); + + iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->first_name == "John" && i->last_name == "Doe" && + i->employer == "Simple Tech, Inc"); + + assert (++i != r.end ()); + assert (i->first_name == "Joe" && i->last_name == "Dirt" && + i->employer == "Simple Tech, Inc"); + + assert (++i == r.end ()); + } + + t.commit (); +} + +int +main (int argc, char* argv[]) +{ + try + { + auto_ptr db (create_database (argc, argv)); + + // + // + { + country ca ("CA", "Canada"); + country za ("ZA", "South Africa"); + country us ("US", "United States"); + country se ("SE", "Sweden"); + + person p1 (1, "John", "Doe", 30, male, measures (60, 160), &ca, &ca); + person p2 (2, "Jane", "Doe", 29, female, measures (70, 170), &za, &us); + person p3 (3, "Joe", "Dirt", 31, male, measures (80, 180), &us, &za); + person p4 (4, "Johan", "Johansen", 32, male, measures (90, 190), &se, + &se); + + p2.husband = &p1; + + employer st ("Simple Tech, Inc"); + employer ct ("Complex Tech, Inc"); + + p2.previous_employer = st.name; + p3.previous_employer = ct.name; + + st.employees.push_back (&p1); + st.employees.push_back (&p3); + st.head_count = 2; + + ct.employees.push_back (&p2); + ct.employees.push_back (&p4); + ct.head_count = 2; + + transaction t (db->begin ()); + db->persist (ca); + db->persist (za); + db->persist (us); + db->persist (se); + + db->persist (p1); + db->persist (p2); + db->persist (p3); + db->persist (p4); + + db->persist (st); + db->persist (ct); + t.commit (); + } + + // view1 + // + { + typedef odb::result result; + + { + transaction t (db->begin ()); + + { + result r (db->query ()); + assert (size (r) == 4); + } + + { + result r; + if (db->id () != odb::id_oracle) + r = db->query ("ORDER BY age"); + else + r = db->query ("ORDER BY \"age\""); + + assert (size (r) == 4); + } + + { + result r; + if (db->id () != odb::id_oracle) + r = db->query ("age < 31 ORDER BY age"); + else + r = db->query ("\"age\" < 31 ORDER BY \"age\""); + + view1_check (r); + } + + t.commit (); + } + } + + // view1a + // + { + typedef odb::result result; + + { + transaction t (db->begin ()); + + result r (db->query ()); + view1_check (r); + + t.commit (); + } + } + + // view1b + // + { + typedef odb::result result; + + { + transaction t (db->begin ()); + + result r (db->query ()); + view1_check (r); + + t.commit (); + } + + // No native parameter support in dynamic multi-database mode. + // +#ifndef DATABASE_COMMON + { + typedef odb::query query; + + transaction t (db->begin ()); + +#ifndef DATABASE_ORACLE + result r (db->query ("first = " + query::_val ("Jane"))); +#else + result r (db->query ("\"first\" = " + query::_val ("Jane"))); +#endif + + result::iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->first == "Jane" && i->last == "Doe"); + assert (++i == r.end ()); + + t.commit (); + } +#endif + } + + // view1c + // + { + typedef odb::result result; + + { + transaction t (db->begin ()); + + result r; + if (db->id () != odb::id_oracle) + r = db->query ("SELECT first, last, age " + "FROM t_view_b_person " + "WHERE age < 31 ORDER BY age"); + else + r = db->query ("SELECT \"first\", \"last\", \"age\" " + "FROM \"t_view_b_person\" " + "WHERE \"age\" < 31 ORDER BY \"age\""); + view1_check (r); + + t.commit (); + } + } + + // view1d + // + { + typedef odb::result result; + + { + transaction t (db->begin ()); + + { + result r; + if (db->id () != odb::id_oracle) + r = db->query ("age < 31 ORDER BY age"); + else + r = db->query ("\"age\" < 31 ORDER BY \"age\""); + + view1_check (r); + } + + t.commit (); + } + } + + // view2 + // + view2_test (db); + view2_test (db); + view2_test (db); + view2_test (db); + + // view3 + // + { + typedef odb::result result; // Test const result. + + { + transaction t (db->begin ()); + + { + result r (db->query ()); + + size_t count (0); + for (result::iterator i (r.begin ()); i != r.end (); ++i) + { + if (i->last_name == "Doe") + assert (i->count == 2); + else if (i->last_name == "Dirt" || + i->last_name == "Johansen") + assert (i->count == 1); + else + assert (false); + + count++; + } + + assert (count == 3); + } + + t.commit (); + } + } + + // view3a + // + { + typedef odb::query query; + typedef odb::result result; + + { + transaction t (db->begin ()); + + { + result r (db->query (query::last_name == "Doe")); + result::iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->last_name == "Doe" && i->count == 2); + assert (++i == r.end ()); + } + + t.commit (); + } + } + + // view4 + // + view4_test (db); + view4_test (db); + + // view5 + // + { + typedef odb::query query; + typedef odb::result result; + + { + transaction t (db->begin ()); + + { + result r ( + db->query ( + query::residence::name == query::nationality::name)); + + result::iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->first_name == "John" && i->last_name == "Doe" && + i->rname == "Canada" && i->rname == "Canada"); + + assert (++i != r.end ()); + assert (i->first_name == "Johan" && i->last_name == "Johansen" && + i->rname == "Sweden" && i->rname == "Sweden"); + + assert (++i == r.end ()); + } + + t.commit (); + } + } + + // view6 + // + view6_test ( + db, odb::query::employer::name == "Simple Tech, Inc"); + + view6_test ( + db, odb::query::employer::name == "Simple Tech, Inc"); + + view6_test ( + db, odb::query::employer::name == "Simple Tech, Inc"); + + // No native parameter support in dynamic multi-database mode. + // +#ifndef DATABASE_COMMON + view6_test ( +#ifndef DATABASE_ORACLE + db, "e.name = " + odb::query::_val ("Simple Tech, Inc")); +#else + db, "\"e\".\"name\" = " + odb::query::_val ("Simple Tech, Inc")); +#endif +#endif + + // view7 + // + { + typedef odb::query query; + typedef odb::result result; + + { + transaction t (db->begin ()); + + { + result r (db->query (query::person::last_name == "Doe")); + + result::iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->first_name == "Jane" && i->last_name == "Doe" && + !i->head_count.null () && *i->head_count == 2); + + assert (++i != r.end ()); + assert (i->first_name == "John" && i->last_name == "Doe" && + i->head_count.null ()); + + assert (++i == r.end ()); + } + + t.commit (); + } + } + + // view8 + // + { + typedef odb::result result; + + { + transaction t (db->begin ()); + + { + result r (db->query ()); + + result::iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->wife_name == "Jane" && i->husb_name == "John"); + assert (++i == r.end ()); + } + + t.commit (); + } + } + + // view9 + // + { + typedef odb::query query; + typedef odb::result result; + + { + transaction t (db->begin ()); + + { + // Test case-insensitive clause prefix detection. + // + result r (db->query ("where" + (query::gender == female))); + + result::iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->first_name == "Jane" && i->last_name == "Doe" && + i->gender == female); + assert (++i == r.end ()); + } + + t.commit (); + } + } + + // view10 + // + { + typedef odb::query query; + typedef odb::result result; + + { + transaction t (db->begin ()); + + { + result r (db->query ( + query::measures.weight > 60 && + query::measures.hight < 190)); + + result::iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->last_name == "Doe" && + i->measures.weight == 70 && i->measures.hight == 170); + + assert (++i != r.end ()); + assert (i->last_name == "Dirt" && + i->measures.weight == 80 && i->measures.hight == 180); + + assert (++i == r.end ()); + } + + t.commit (); + } + } + + // view11 + // + { + typedef odb::result result; + + { + transaction t (db->begin ()); + + { + result r (db->query ()); + + result::iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->last_name == "Doe" && i->hight == 170); + + assert (++i != r.end ()); + assert (i->last_name == "Dirt" && i->hight == 180); + + assert (++i == r.end ()); + } + + t.commit (); + } + } + + // view12 + // + { + typedef odb::query query; + typedef odb::result result; + + { + transaction t (db->begin ()); + + { + result r (db->query (query::last_name == "Dirt")); + + result::iterator i (r.begin ()); + + assert (i != r.end ()); + assert (i->residence == "US"); + assert (++i == r.end ()); + } + + t.commit (); + } + } + } + catch (const odb::exception& e) + { + cerr << e.what () << endl; + return 1; + } +} diff --git a/common/view/basics/makefile b/common/view/basics/makefile new file mode 100644 index 0000000..7598bb7 --- /dev/null +++ b/common/view/basics/makefile @@ -0,0 +1,118 @@ +# file : common/view/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) $(dist): export odb_options += --generate-schema --generate-query \ +--generate-prepared --table-prefix t_view_b_ +$(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)) \ +$(call vc12projs,$(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)) + $(call meta-vc12projs,../../template/template,$(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,$(bld_root)/meta/vc12proj.make) +$(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/view/basics/test.hxx b/common/view/basics/test.hxx new file mode 100644 index 0000000..18fae4b --- /dev/null +++ b/common/view/basics/test.hxx @@ -0,0 +1,495 @@ +// file : common/view/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 +#include +#include // std::size_t + +#include +#include + +struct employer; + +#pragma db object +struct country +{ + country (const std::string& c, std::string const& n) + : code (c), name (n) + { + } + + country () + { + } + + #pragma db id + std::string code; // ISO 2-letter country code. + + std::string name; +}; + +enum gender_type {male, female}; + +#pragma db value +struct measures +{ + measures (unsigned short w, unsigned short h) : weight (w), hight (h) {} + measures () {} + + unsigned short weight; + unsigned short hight; +}; + +#pragma db object +struct person +{ + typedef ::measures measures_type; + + person (unsigned long i, + const std::string& fn, + const std::string& ln, + unsigned short a, + gender_type g, + const measures_type m, + country* r, + country* n) + : id (i), + first_name_ (fn), + last_name_ (ln), + age (a), + gender (g), + measures (m), + residence (r), + nationality (n), + husband (0) + { + } + + person () + { + } + + #pragma db id + unsigned long id; + + #pragma db column("first") + std::string first_name_; + + #pragma db column("last") + std::string last_name_; + + unsigned short age; + + // #pragma db type("INT") - in MySQL test type pragma copying + gender_type gender; + + measures_type measures; + + #pragma db not_null + country* residence; + + #pragma db not_null + country* nationality; + + #pragma db inverse(employees) + employer* employed_by; + + // A non-pointer relationship. + // + odb::nullable previous_employer; + + person* husband; // Self-reference. +}; + +#pragma db object +struct employer +{ + employer (const std::string& n) + : name (n) + { + } + + employer () + { + } + + #pragma db id + std::string name; + unsigned int head_count; + std::vector employees; +}; + +// +// General view with no associated objects. +// + +// Complete suffix query template. +// +#ifndef ODB_DATABASE_ORACLE +# pragma db view query("SELECT first, last, age FROM t_view_b_person") +#else +# pragma db view query("SELECT \"first\", \"last\", \"age\" " \ + "FROM \"t_view_b_person\"") +#endif +struct view1 +{ + std::string first; + std::string last; + unsigned short age; +}; + +// Complete query. +// +#ifndef ODB_DATABASE_ORACLE +# pragma db view query("SELECT first, last, age " \ + "FROM t_view_b_person " \ + "WHERE age < 31 ORDER BY age") +#else +# pragma db view query("SELECT \"first\", \"last\", \"age\" " \ + "FROM \"t_view_b_person\" " \ + "WHERE \"age\" < 31 ORDER BY \"age\"") +#endif +struct view1a +{ + std::string first; + std::string last; + unsigned short age; +}; + +// Complete placeholder query template. +// +#ifndef ODB_DATABASE_ORACLE +# pragma db view query("SELECT first, last, age " \ + "FROM t_view_b_person " \ + "WHERE age < 31 AND (?) ORDER BY age") +#else +# pragma db view query("SELECT \"first\", \"last\", \"age\" " \ + "FROM \"t_view_b_person\" " \ + "WHERE \"age\" < 31 AND (?) ORDER BY \"age\"") +#endif +struct view1b +{ + std::string first; + std::string last; + unsigned short age; +}; + +// Runtime query. +// +#pragma db view //query() +struct view1c +{ + std::string first; + std::string last; + unsigned short age; +}; + +// Assembled SELECT and FROM-lists. +// +#pragma db view table("t_view_b_person") +struct view1d +{ + #pragma db column("first") + std::string first; + + #pragma db column("last") + std::string last; + + #pragma db column("age") + unsigned short age; +}; + +// +// Count view plus associated object. +// + +// Complete suffix query. +// +#ifndef ODB_DATABASE_ORACLE +# pragma db view object(person) \ + query("SELECT count(id) FROM t_view_b_person") +#else +# pragma db view object(person) \ + query("SELECT count(\"id\") FROM \"t_view_b_person\"") +#endif +struct view2 +{ + std::size_t count; +}; + +// Generated query, literal column. +// +#pragma db view object(person) +struct view2a +{ +#ifndef ODB_DATABASE_ORACLE + #pragma db column("count(id)") +#else + #pragma db column("count(\"id\")") +#endif + std::size_t count; +}; + +// Generated query, qualified literal column. +// +#pragma db view object(person) +struct view2b +{ +#ifndef ODB_DATABASE_ORACLE + #pragma db column("count(t_view_b_person.id)") +#else + #pragma db column("count(\"t_view_b_person\".\"id\")") +#endif + std::size_t count; +}; + +// Generated query, expression column. +// +#pragma db view object(person) +struct view2c +{ + #pragma db column("count(" + person::id + ")") + std::size_t count; +}; + +// +// Aggregate view plus associated object with a custom alias. +// + +// Complete suffix query. +// +#ifndef ODB_DATABASE_ORACLE +# pragma db view object(person = test) \ + query("SELECT last, count(last) " \ + "FROM t_view_b_person " \ + "GROUP BY last") +#else +# pragma db view object(person = test) \ + query("SELECT \"last\", count(\"last\") " \ + "FROM \"t_view_b_person\" " \ + "GROUP BY \"last\"") +#endif +struct view3 +{ + std::string last_name; + std::size_t count; +}; + +// Generated query with integrated query condition and placeholder. +// +#pragma db view object(person = test) \ + query((?) + "GROUP BY" + test::last_name_) +struct view3a +{ + // Automatically resolved to test::last_name_. + // + std::string last_name; + + #pragma db column("count(" + test::last_name_ + ")") + std::size_t count; +}; + +// +// JOIN view plus associated objects, some with custom aliases. +// + +// Complete suffix query. +// +#ifndef ODB_DATABASE_ORACLE +# pragma db view object(person) object(country = residence) \ + query("SELECT first, last, residence.name " \ + "FROM t_view_b_person " \ + "LEFT JOIN t_view_b_country AS residence " \ + "ON t_view_b_person.residence = residence.code") +#else +# pragma db view object(person) object(country = residence) \ + query("SELECT \"first\", \"last\", \"residence\".\"name\" " \ + "FROM \"t_view_b_person\" " \ + "LEFT JOIN \"t_view_b_country\" \"residence\" " \ + "ON \"t_view_b_person\".\"residence\" = \"residence\".\"code\"") +#endif +struct view4 +{ + std::string first_name; + std::string last_name; + std::string name; +}; + +// Generated query. +// +#pragma db view object(person) \ + object(country = residence: person::residence) +struct view4a +{ + std::string first_name; + std::string last_name; + std::string name; +}; + +// +// JOIN the same object twice. +// +#pragma db view object(person) \ + object(country = residence: person::residence) \ + object(country = nationality: person::nationality) \ + query((?) + "ORDER BY" + person::age) +struct view5 +{ + std::string first_name; + std::string last_name; + + #pragma db column(residence::name) + std::string rname; + + #pragma db column(nationality::name) + std::string nname; +}; + +// +// JOIN via one(i)-to-many relationship. +// + +// Automatic relationship discovery. +// +#pragma db view object(person) object(employer) +struct view6 +{ + std::string first_name; + std::string last_name; + + #pragma db column(::employer::name) + std::string employer; +}; + +// Manual relationship specification, left side. +// +#pragma db view object(person) object(employer: person::employed_by) +struct view6a +{ + std::string first_name; + std::string last_name; + + #pragma db column(::employer::name) + std::string employer; +}; + +// Manual relationship specification, right side. +// +#pragma db view object(person) object(employer: employer::employees) +struct view6b +{ + std::string first_name; + std::string last_name; + + #pragma db column(::employer::name) + std::string employer; +}; + +// The same using tables. +// +#if defined(ODB_DATABASE_ORACLE) +#pragma db view table("t_view_b_person" = "p") \ + table("t_view_b_employer_employees" = "ee": "\"ee\".\"value\" = \"p\".\"id\"")\ + table("t_view_b_employer" = "e": "\"ee\".\"object_id\" = \"e\".\"name\"") +#elif defined(ODB_DATABASE_MSSQL) +#pragma db view table("t_view_b_person" = "p") \ + table("t_view_b_employer_employees" = "ee": "ee.value = p.id") \ + table("t_view_b_employer" = "e": "[ee].[object_id] = e.name") +#elif defined(ODB_DATABASE_MYSQL) +#pragma db view table("t_view_b_person" = "p") \ + table("t_view_b_employer_employees" = "ee": "ee.value = p.id") \ + table("t_view_b_employer" = "e": "`ee`.`object_id` = e.name") +#else +#pragma db view table("t_view_b_person" = "p") \ + table("t_view_b_employer_employees" = "ee": "ee.value = p.id") \ + table("t_view_b_employer" = "e": "\"ee\".\"object_id\" = e.name") +#endif +struct view6c +{ + #pragma db column("p.first") + std::string first_name; + + #pragma db column("p.last") + std::string last_name; + + #pragma db column("e"."name") + std::string employer; +}; + +// +// JOIN via a custom condition. +// +#pragma db view object(person) \ + object(employer: person::previous_employer == employer::name)\ + query((?) + "ORDER BY" + person::age) +struct view7 +{ + std::string first_name; + std::string last_name; + + odb::nullable head_count; +}; + +// +// Self-JOIN. +// +#pragma db view object(person = wife) object(person = husb) \ + query (wife::husband.is_not_null ()) +struct view8 +{ + #pragma db column(wife::first_name_) + std::string wife_name; + + #pragma db column(husb::first_name_) + std::string husb_name; +}; + +// +// Enum mapping. +// +#pragma db view object(person) +struct view9 +{ + std::string first_name; + std::string last_name; + gender_type gender; +}; + +// +// Composite in view. +// +#pragma db view object(person) query((?) + "ORDER BY" + person::age) +struct view10 +{ + std::string last_name; + ::measures measures; +}; + +// +// Composite in object. +// +#pragma db view object(person) \ + query((person::measures.weight > 60 && person::measures.hight < 190 && (?)) \ + + "ORDER BY" + person::age) +struct view11 +{ + std::string last_name; + + #pragma db column(person::measures.hight) + unsigned short hight; +}; + +// +// Extract object pointer as object id. +// +#pragma db view object(person) +struct view12 +{ + std::string residence; +}; + +#endif // TEST_HXX diff --git a/common/view/basics/test.std b/common/view/basics/test.std new file mode 100644 index 0000000..e69de29 -- cgit v1.1