upgradedb.go (view raw)
1//
2// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
3//
4// Permission to use, copy, modify, and distribute this software for any
5// purpose with or without fee is hereby granted, provided that the above
6// copyright notice and this permission notice appear in all copies.
7//
8// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15
16package main
17
18import (
19 "database/sql"
20 "log"
21 "os"
22)
23
24func doordie(db *sql.DB, s string) {
25 _, err := db.Exec(s)
26 if err != nil {
27 log.Fatal(err)
28 }
29}
30
31func upgradedb() {
32 db := opendatabase()
33 dbversion := 0
34 getconfig("dbversion", &dbversion)
35
36 switch dbversion {
37 case 0:
38 doordie(db, "insert into config (key, value) values ('dbversion', 1)")
39 fallthrough
40 case 1:
41 doordie(db, "create table doovers(dooverid integer primary key, dt text, tries integer, username text, rcpt text, msg blob)")
42 doordie(db, "update config set value = 2 where key = 'dbversion'")
43 fallthrough
44 case 2:
45 default:
46 log.Fatalf("can't upgrade unknown version %d", dbversion)
47 }
48 os.Exit(0)
49}