mirror of https://github.com/miniflux/v2.git
56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
// Copyright 2017 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package storage
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import (
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"fmt"
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"log"
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"strconv"
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"github.com/miniflux/miniflux2/sql"
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)
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const schemaVersion = 3
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// Migrate run database migrations.
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func (s *Storage) Migrate() {
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var currentVersion int
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s.db.QueryRow(`select version from schema_version`).Scan(¤tVersion)
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fmt.Println("Current schema version:", currentVersion)
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fmt.Println("Latest schema version:", schemaVersion)
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for version := currentVersion + 1; version <= schemaVersion; version++ {
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fmt.Println("Migrating to version:", version)
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tx, err := s.db.Begin()
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if err != nil {
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log.Fatalln(err)
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}
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rawSQL := sql.SqlMap["schema_version_"+strconv.Itoa(version)]
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// fmt.Println(rawSQL)
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_, err = tx.Exec(rawSQL)
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if err != nil {
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tx.Rollback()
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log.Fatalln(err)
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}
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if _, err := tx.Exec(`delete from schema_version`); err != nil {
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tx.Rollback()
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log.Fatalln(err)
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}
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if _, err := tx.Exec(`insert into schema_version (version) values($1)`, version); err != nil {
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tx.Rollback()
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log.Fatalln(err)
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}
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if err := tx.Commit(); err != nil {
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log.Fatalln(err)
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}
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}
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}
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