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https://github.com/syncthing/syncthing.git
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This changes the database structure to use one database per folder, with a small main database to coordinate. Reverts the prior change to buffer all files in memory when pulling, meaning there is now a phase where the WAL file will grow significantly, at least for initial sync of folders with many directories. --------- Co-authored-by: bt90 <btom1990@googlemail.com>
71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
// Copyright (C) 2025 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package sqlite
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import (
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"fmt"
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"os"
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"runtime"
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"strings"
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)
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func (s *DB) DropFolder(folder string) error {
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s.folderDBsMut.Lock()
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defer s.folderDBsMut.Unlock()
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s.updateLock.Lock()
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defer s.updateLock.Unlock()
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_, err := s.stmt(`
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DELETE FROM folders
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WHERE folder_id = ?
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`).Exec(folder)
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if fdb, ok := s.folderDBs[folder]; ok {
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fdb.Close()
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_ = os.Remove(fdb.path)
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_ = os.Remove(fdb.path + "-wal")
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_ = os.Remove(fdb.path + "-shm")
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delete(s.folderDBs, folder)
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}
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return wrap(err)
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}
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func (s *DB) ListFolders() ([]string, error) {
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var res []string
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err := s.stmt(`
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SELECT folder_id FROM folders
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ORDER BY folder_id
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`).Select(&res)
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return res, wrap(err)
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}
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// wrap returns the error wrapped with the calling function name and
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// optional extra context strings as prefix. A nil error wraps to nil.
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func wrap(err error, context ...string) error {
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if err == nil {
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return nil
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}
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prefix := "error"
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pc, _, _, ok := runtime.Caller(1)
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details := runtime.FuncForPC(pc)
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if ok && details != nil {
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prefix = strings.ToLower(details.Name())
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if dotIdx := strings.LastIndex(prefix, "."); dotIdx > 0 {
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prefix = prefix[dotIdx+1:]
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}
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}
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if len(context) > 0 {
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for i := range context {
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context[i] = strings.TrimSpace(context[i])
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}
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extra := strings.Join(context, ", ")
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return fmt.Errorf("%s (%s): %w", prefix, extra, err)
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}
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return fmt.Errorf("%s: %w", prefix, err)
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}
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