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chore(db): use one SQLite database per folder (#10042)

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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>
This commit is contained in:
Jakob Borg
2025-04-06 14:30:43 +02:00
committed by GitHub
co-authored by bt90
parent 7d51b1b620
commit cf1cf85ce6
32 changed files with 1696 additions and 1219 deletions
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internal/db/sqlite/db_kv.go
+4 -4
View File
@@ -13,7 +13,7 @@ import (
"github.com/syncthing/syncthing/internal/db"
)
func (s *DB) GetKV(key string) ([]byte, error) {
func (s *baseDB) GetKV(key string) ([]byte, error) {
var val []byte
if err := s.stmt(`
SELECT value FROM kv
@@ -24,7 +24,7 @@ func (s *DB) GetKV(key string) ([]byte, error) {
return val, nil
}
func (s *DB) PutKV(key string, val []byte) error {
func (s *baseDB) PutKV(key string, val []byte) error {
s.updateLock.Lock()
defer s.updateLock.Unlock()
_, err := s.stmt(`
@@ -34,7 +34,7 @@ func (s *DB) PutKV(key string, val []byte) error {
return wrap(err)
}
func (s *DB) DeleteKV(key string) error {
func (s *baseDB) DeleteKV(key string) error {
s.updateLock.Lock()
defer s.updateLock.Unlock()
_, err := s.stmt(`
@@ -43,7 +43,7 @@ func (s *DB) DeleteKV(key string) error {
return wrap(err)
}
func (s *DB) PrefixKV(prefix string) (iter.Seq[db.KeyValue], func() error) {
func (s *baseDB) PrefixKV(prefix string) (iter.Seq[db.KeyValue], func() error) {
var rows *sqlx.Rows
var err error
if prefix == "" {