// // Copyright (c) 2019 Ted Unangst // // Permission to use, copy, modify, and distribute this software for any // purpose with or without fee is hereby granted, provided that the above // copyright notice and this permission notice appear in all copies. // // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. package main import ( "database/sql" "log" "os" ) func doordie(db *sql.DB, s string) { _, err := db.Exec(s) if err != nil { log.Fatal(err) } } func upgradedb() { db := opendatabase() dbversion := 0 getconfig("dbversion", &dbversion) switch dbversion { case 0: doordie(db, "insert into config (key, value) values ('dbversion', 1)") fallthrough case 1: doordie(db, "create table doovers(dooverid integer primary key, dt text, tries integer, username text, rcpt text, msg blob)") doordie(db, "update config set value = 2 where key = 'dbversion'") fallthrough case 2: default: log.Fatalf("can't upgrade unknown version %d", dbversion) } os.Exit(0) }