diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2015-02-04 17:23:54 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2015-02-04 17:23:54 +0200 |
commit | 504fa38f3f71c345f41dfbb7e59b1d2f88308987 (patch) | |
tree | d4328b3cb9de151699232c9722e2f8899ac2f36b /common/view/test.hxx | |
parent | cbad49a571dfff9a046997b18776fd3cee6d7b51 (diff) |
Implement object loading views
See section 10.2 in the manual for details.
Diffstat (limited to 'common/view/test.hxx')
-rw-r--r-- | common/view/test.hxx | 495 |
1 files changed, 0 insertions, 495 deletions
diff --git a/common/view/test.hxx b/common/view/test.hxx deleted file mode 100644 index ae30e25..0000000 --- a/common/view/test.hxx +++ /dev/null @@ -1,495 +0,0 @@ -// file : common/view/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 <string> -#include <vector> -#include <cstddef> // std::size_t - -#include <odb/core.hxx> -#include <odb/nullable.hxx> - -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<std::string> 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<person*> 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_person") -#else -# pragma db view query("SELECT \"first\", \"last\", \"age\" " \ - "FROM \"t_view_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_person " \ - "WHERE age < 31 ORDER BY age") -#else -# pragma db view query("SELECT \"first\", \"last\", \"age\" " \ - "FROM \"t_view_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_person " \ - "WHERE age < 31 AND (?) ORDER BY age") -#else -# pragma db view query("SELECT \"first\", \"last\", \"age\" " \ - "FROM \"t_view_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_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_person") -#else -# pragma db view object(person) \ - query("SELECT count(\"id\") FROM \"t_view_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_person.id)") -#else - #pragma db column("count(\"t_view_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_person " \ - "GROUP BY last") -#else -# pragma db view object(person = test) \ - query("SELECT \"last\", count(\"last\") " \ - "FROM \"t_view_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_person " \ - "LEFT JOIN t_view_country AS residence " \ - "ON t_view_person.residence = residence.code") -#else -# pragma db view object(person) object(country = residence) \ - query("SELECT \"first\", \"last\", \"residence\".\"name\" " \ - "FROM \"t_view_person\" " \ - "LEFT JOIN \"t_view_country\" \"residence\" " \ - "ON \"t_view_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_person" = "p") \ - table("t_view_employer_employees" = "ee": "\"ee\".\"value\" = \"p\".\"id\"")\ - table("t_view_employer" = "e": "\"ee\".\"object_id\" = \"e\".\"name\"") -#elif defined(ODB_DATABASE_MSSQL) -#pragma db view table("t_view_person" = "p") \ - table("t_view_employer_employees" = "ee": "ee.value = p.id") \ - table("t_view_employer" = "e": "[ee].[object_id] = e.name") -#elif defined(ODB_DATABASE_MYSQL) -#pragma db view table("t_view_person" = "p") \ - table("t_view_employer_employees" = "ee": "ee.value = p.id") \ - table("t_view_employer" = "e": "`ee`.`object_id` = e.name") -#else -#pragma db view table("t_view_person" = "p") \ - table("t_view_employer_employees" = "ee": "ee.value = p.id") \ - table("t_view_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<unsigned int> 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 |