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simpler migrations (just reindex everything) and migrations on mmm.

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This commit is contained in:
fiatjaf
2025-06-10 14:00:38 -03:00
parent e9a08d669e
commit cc6ec3af73
7 changed files with 152 additions and 25 deletions
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2
eventstore/lmdb/lib.go
View File

@@ -194,5 +194,5 @@ func (b *LMDBBackend) initialize() error {
return err
}
return b.runMigrations()
return b.migrate()
}

23
eventstore/lmdb/migration.go
View File

@@ -14,24 +14,23 @@ const (
DB_VERSION byte = 'v'
)
func (b *LMDBBackend) runMigrations() error {
func (b *LMDBBackend) migrate() error {
return b.lmdbEnv.Update(func(txn *lmdb.Txn) error {
val, err := txn.Get(b.settingsStore, []byte("version"))
if err != nil && !lmdb.IsNotFound(err) {
return fmt.Errorf("failed to get db version: %w", err)
}
var version uint16 = 0
var version uint16 = 1
if err == nil {
version = binary.BigEndian.Uint16(val)
}
// do the migrations in increasing steps (there is no rollback)
//
const target = 2
// this is when we reindex everything
if version < 9 {
log.Println("[lmdb] migration 9: reindex everything")
// do the migrations in increasing steps (there is no rollback)
if version < target {
log.Printf("[lmdb] migration %d: reindex everything\n", target)
if err := txn.Drop(b.indexId, false); err != nil {
return err
@@ -60,7 +59,7 @@ func (b *LMDBBackend) runMigrations() error {
cursor, err := txn.OpenCursor(b.rawEventStore)
if err != nil {
return fmt.Errorf("failed to open cursor in migration 9: %w", err)
return fmt.Errorf("failed to open cursor in migration %d: %w", target, err)
}
defer cursor.Close()
@@ -73,7 +72,7 @@ func (b *LMDBBackend) runMigrations() error {
break
}
if err != nil {
return fmt.Errorf("failed to get next in migration 9: %w", err)
return fmt.Errorf("failed to get next in migration %d: %w", target, err)
}
if err := betterbinary.Unmarshal(val, &evt); err != nil {
@@ -83,14 +82,14 @@ func (b *LMDBBackend) runMigrations() error {
for key := range b.getIndexKeysForEvent(evt) {
if err := txn.Put(key.dbi, key.key, idx, 0); err != nil {
return fmt.Errorf("failed to save index %s for event %s (%v) on migration 9: %w",
b.keyName(key), evt.ID, idx, err)
return fmt.Errorf("failed to save index %s for event %s (%v) on migration %d: %w",
b.keyName(key), evt.ID, idx, target, err)
}
}
}
// bump version
if err := b.setVersion(txn, 9); err != nil {
if err := b.setVersion(txn, target); err != nil {
return err
}
}