mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
99 lines
2.5 KiB
V
99 lines
2.5 KiB
V
import db.sqlite
|
|
|
|
type Connection = sqlite.DB
|
|
|
|
struct User {
|
|
pub:
|
|
id int [primary; sql: serial]
|
|
name string
|
|
}
|
|
|
|
type Content = []u8 | string
|
|
|
|
struct Host {
|
|
pub:
|
|
db Connection
|
|
}
|
|
|
|
fn (back Host) get_users() []User {
|
|
return []
|
|
}
|
|
|
|
fn create_host(db Connection) !Host {
|
|
sql db {
|
|
create table User
|
|
}!
|
|
|
|
return Host{
|
|
db: db
|
|
}
|
|
}
|
|
|
|
fn test_sqlite() {
|
|
$if !linux {
|
|
return
|
|
}
|
|
mut db := sqlite.connect(':memory:') or { panic(err) }
|
|
assert db.is_open
|
|
db.exec('drop table if exists users')
|
|
db.exec("create table users (id integer primary key, name text default '');")
|
|
db.exec("insert into users (name) values ('Sam')")
|
|
assert db.last_insert_rowid() == 1
|
|
assert db.get_affected_rows_count() == 1
|
|
db.exec("insert into users (name) values ('Peter')")
|
|
assert db.last_insert_rowid() == 2
|
|
db.exec("insert into users (name) values ('Kate')")
|
|
assert db.last_insert_rowid() == 3
|
|
db.exec_param('insert into users (name) values (?)', 'Tom')!
|
|
assert db.last_insert_rowid() == 4
|
|
nr_users := db.q_int('select count(*) from users')
|
|
assert nr_users == 4
|
|
name := db.q_string('select name from users where id = 1')
|
|
assert name == 'Sam'
|
|
username := db.exec_param('select name from users where id = ?', '1')!
|
|
assert username[0].vals[0] == 'Sam'
|
|
|
|
// this insert will be rejected due to duplicated id
|
|
db.exec("insert into users (id,name) values (1,'Sam')")
|
|
assert db.get_affected_rows_count() == 0
|
|
|
|
users, mut code := db.exec('select * from users')
|
|
assert users.len == 4
|
|
assert code == 101
|
|
code = db.exec_none('vacuum')
|
|
assert code == 101
|
|
user := db.exec_one('select * from users where id = 3') or { panic(err) }
|
|
println(user)
|
|
assert user.vals.len == 2
|
|
|
|
db.exec("update users set name='zzzz' where name='qqqq'")
|
|
assert db.get_affected_rows_count() == 0
|
|
|
|
db.exec("update users set name='Peter1' where name='Peter'")
|
|
assert db.get_affected_rows_count() == 1
|
|
db.exec_param_many('update users set name=? where name=?', ['Peter', 'Peter1'])!
|
|
assert db.get_affected_rows_count() == 1
|
|
|
|
db.exec("delete from users where name='qqqq'")
|
|
assert db.get_affected_rows_count() == 0
|
|
|
|
db.exec("delete from users where name='Sam'")
|
|
assert db.get_affected_rows_count() == 1
|
|
|
|
db.close() or { panic(err) }
|
|
assert !db.is_open
|
|
}
|
|
|
|
fn test_can_access_sqlite_result_consts() {
|
|
assert sqlite.sqlite_ok == 0
|
|
assert sqlite.sqlite_error == 1
|
|
// assert sqlite.misuse == 21
|
|
assert sqlite.sqlite_row == 100
|
|
assert sqlite.sqlite_done == 101
|
|
}
|
|
|
|
fn test_alias_db() {
|
|
create_host(sqlite.connect(':memory:')!)!
|
|
assert true
|
|
}
|