33 lines
489 B
Go
33 lines
489 B
Go
package bolt
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import (
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"encoding/binary"
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bolt "go.etcd.io/bbolt"
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)
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const (
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DB_VERSION byte = 'v'
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)
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func (b *BoltBackend) runMigrations() error {
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return b.db.Update(func(txn *bolt.Tx) error {
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var version uint16
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v := txn.Bucket(bucketSettings).Get([]byte{DB_VERSION})
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if v == nil {
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version = 0
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} else {
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version = binary.BigEndian.Uint16(v)
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}
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// do the migrations in increasing steps (there is no rollback)
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//
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if version < 0 {
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// ...
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}
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return nil
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})
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}
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