miniflux/database/migration.go
2019-07-26 21:24:15 -07:00

55 lines
1.3 KiB
Go

// Copyright 2018 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package database // import "miniflux.app/database"
import (
"database/sql"
"fmt"
"strconv"
"miniflux.app/logger"
)
const schemaVersion = 24
// Migrate executes database migrations.
func Migrate(db *sql.DB) {
var currentVersion int
db.QueryRow(`select version from schema_version`).Scan(&currentVersion)
fmt.Println("Current schema version:", currentVersion)
fmt.Println("Latest schema version:", schemaVersion)
for version := currentVersion + 1; version <= schemaVersion; version++ {
fmt.Println("Migrating to version:", version)
tx, err := db.Begin()
if err != nil {
logger.Fatal("[Migrate] %v", err)
}
rawSQL := SqlMap["schema_version_"+strconv.Itoa(version)]
// fmt.Println(rawSQL)
_, err = tx.Exec(rawSQL)
if err != nil {
tx.Rollback()
logger.Fatal("[Migrate] %v", err)
}
if _, err := tx.Exec(`delete from schema_version`); err != nil {
tx.Rollback()
logger.Fatal("[Migrate] %v", err)
}
if _, err := tx.Exec(`insert into schema_version (version) values($1)`, version); err != nil {
tx.Rollback()
logger.Fatal("[Migrate] %v", err)
}
if err := tx.Commit(); err != nil {
logger.Fatal("[Migrate] %v", err)
}
}
}