65 lines
1.7 KiB
Go
65 lines
1.7 KiB
Go
// Copyright 2018 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 database // import "miniflux.app/database"
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import (
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"database/sql"
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"fmt"
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"strconv"
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"miniflux.app/logger"
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)
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const schemaVersion = 35
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// Migrate executes database migrations.
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func Migrate(db *sql.DB) {
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var currentVersion int
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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 := db.Begin()
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if err != nil {
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logger.Fatal("[Migrate] %v", err)
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}
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rawSQL := 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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logger.Fatal("[Migrate] %v", 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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logger.Fatal("[Migrate] %v", 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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logger.Fatal("[Migrate] %v", err)
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}
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if err := tx.Commit(); err != nil {
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logger.Fatal("[Migrate] %v", err)
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}
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}
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}
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// IsSchemaUpToDate checks if the database schema is up to date.
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func IsSchemaUpToDate(db *sql.DB) error {
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var currentVersion int
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db.QueryRow(`SELECT version FROM schema_version`).Scan(¤tVersion)
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if currentVersion != schemaVersion {
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return fmt.Errorf(`the database schema is not up to date: current=v%d expected=v%d`, currentVersion, schemaVersion)
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}
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return nil
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}
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