mirror of https://github.com/miniflux/v2.git
66 lines
1.7 KiB
Go
66 lines
1.7 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 = 40
|
|
|
|
// Migrate executes database migrations.
|
|
func Migrate(db *sql.DB) {
|
|
var currentVersion int
|
|
db.QueryRow(`SELECT version FROM schema_version`).Scan(¤tVersion)
|
|
|
|
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)
|
|
}
|
|
}
|
|
}
|
|
|
|
// IsSchemaUpToDate checks if the database schema is up to date.
|
|
func IsSchemaUpToDate(db *sql.DB) error {
|
|
var currentVersion int
|
|
db.QueryRow(`SELECT version FROM schema_version`).Scan(¤tVersion)
|
|
if currentVersion != schemaVersion {
|
|
return fmt.Errorf(`the database schema is not up to date: current=v%d expected=v%d`, currentVersion, schemaVersion)
|
|
}
|
|
return nil
|
|
}
|