153 lines
3.4 KiB
V
153 lines
3.4 KiB
V
//import os
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//import pg
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//import term
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import sqlite
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struct Module {
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id int
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user_id int
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//name string
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//url string
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//nr_downloads int
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}
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struct User {
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id int
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age int
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name string
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}
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fn test_orm_sqlite() {
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db := sqlite.connect(':memory:') or { panic(err) }
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db.exec("drop table if exists User")
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db.exec("create table User (id integer primary key, age int default 0, name text default '');")
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name := 'sam'
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db.exec("insert into User (name, age) values ('Sam', 29)")
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db.exec("insert into User (name, age) values ('Peter', 31)")
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db.exec("insert into User (name) values ('Kate')")
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nr_all_users := sql db {
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select count from User
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}
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assert nr_all_users == 3
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println('nr_all_users=$nr_all_users')
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//
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nr_users1 := sql db {
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select count from User where id == 1
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}
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assert nr_users1 == 1
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println('nr_users1=$nr_users1')
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//
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nr_peters := sql db {
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select count from User where id == 2 && name == 'Peter'
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}
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assert nr_peters == 1
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println('nr_peters=$nr_peters')
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//
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nr_sams := sql db {
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select count from User where id == 1 && name == name
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}
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println('nr_sams=$nr_sams')
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//
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user := sql db {
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select from User where id == 1
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}
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println(user)
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assert user.name == 'Sam'
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assert user.id == 1
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assert user.age == 29
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//
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users := sql db {
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select from User where id > 0
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}
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println(users)
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assert users.len == 3
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assert users[0].name == 'Sam'
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assert users[1].name == 'Peter'
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assert users[1].age == 31
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//
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users2 := sql db {
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select from User where id < 0
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}
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println(users2)
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assert users2.len == 0
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//
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users3 := sql db {
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select from User where age == 29 || age == 31
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}
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println(users3)
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assert users3.len == 2
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assert users3[0].age == 29
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assert users3[1].age == 31
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//
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new_user := User{name:'New user' age:30}
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sql db {
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insert new_user into User
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}
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//db.insert<User>(user2)
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x := sql db {
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select from User where id == 4
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}
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println(x)
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assert x.age == 30
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assert x.id == 4
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assert x.name == 'New user'
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}
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fn test_orm_pg() {
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/*
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dbname := os.getenv('VDB_NAME')
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dbuser := os.getenv('VDB_USER')
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if dbname == '' || dbuser == '' {
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eprintln(term.red('NB: this test requires VDB_NAME and VDB_USER env variables to be set'))
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return
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}
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db := pg.connect(dbname: dbname, user: dbuser) or { panic(err) }
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_ = db
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nr_modules := db.select count from modules
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//nr_modules := db.select count from Modules where id == 1
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nr_modules := db.select count from Modules where
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name == 'Bob' && id == 1
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println(nr_modules)
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mod := db.select from Modules where id = 1 limit 1
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println(mod)
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mods := db.select from Modules limit 10
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for mod in mods {
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println(mod)
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}
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*/
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/*
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mod := db.retrieve<Module>(1)
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mod := db.select from Module where id = 1
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mod := db.update Module set name = name + '!' where id > 10
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nr_modules := db.select count from Modules
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where id > 1 && name == ''
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println(nr_modules)
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nr_modules := db.select count from modules
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nr_modules := db.select from modules
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nr_modules := db[:modules].select
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*/
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/*
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mod := select from db.modules where id = 1 limit 1
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println(mod.name)
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top_mods := select from db.modules where nr_downloads > 1000 order by nr_downloads desc limit 10
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top_mods := db.select from modules where nr_downloads > 1000 order by nr_downloads desc limit 10
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top_mods := db.select<Module>(m => m.nr_downloads > 1000).order_by(m => m.nr_downloads).desc().limit(10)
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names := select name from db.modules // []string
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n := db.q_int('select count(*) from modules')
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println(n)
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*/
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}
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