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Diffstat (limited to 'common/view/basics/test.hxx')
| -rw-r--r-- | common/view/basics/test.hxx | 495 |
1 files changed, 495 insertions, 0 deletions
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 <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_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<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 |