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etcd: add DeletePrefix method

This commit is contained in:
Simone Gotti 2019-07-17 17:01:44 +02:00
parent 1927a17857
commit 21964f90fd
1 changed files with 16 additions and 0 deletions
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16
internal/etcd/etcd.go
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@ -286,6 +286,22 @@ func (s *Store) Delete(ctx context.Context, key string) error {
return err return err
} }
func (s *Store) DeletePrefix(ctx context.Context, prefix string) error {
etcdv3Options := []clientv3.OpOption{}
key := prefix
if len(key) == 0 {
key = "\x00"
etcdv3Options = append(etcdv3Options, clientv3.WithFromKey())
} else {
etcdv3Options = append(etcdv3Options, clientv3.WithPrefix())
}
_, err := s.c.Delete(ctx, key, etcdv3Options...)
return err
}
func (s *Store) AtomicDelete(ctx context.Context, key string, revision int64) (*etcdclientv3.TxnResponse, error) { func (s *Store) AtomicDelete(ctx context.Context, key string, revision int64) (*etcdclientv3.TxnResponse, error) {
cmp := etcdclientv3.Compare(etcdclientv3.ModRevision(key), "=", revision) cmp := etcdclientv3.Compare(etcdclientv3.ModRevision(key), "=", revision)
req := etcdclientv3.OpDelete(key) req := etcdclientv3.OpDelete(key)