Golang DB.Run Examples

Example #1

File: gc_queue.go Project: yangxuanjia/cockroach

// pushTxn attempts to abort the txn via push. The wait group is signaled on
// completion.
func pushTxn(db *client.DB, now hlc.Timestamp, txn *roachpb.Transaction,
	typ roachpb.PushTxnType) {

	// Attempt to push the transaction which created the intent.
	pushArgs := &roachpb.PushTxnRequest{
		Span: roachpb.Span{
			Key: txn.Key,
		},
		Now:       now,
		PusherTxn: roachpb.Transaction{TxnMeta: enginepb.TxnMeta{Priority: math.MaxInt32}},
		PusheeTxn: txn.TxnMeta,
		PushType:  typ,
	}
	b := &client.Batch{}
	b.AddRawRequest(pushArgs)
	if err := db.Run(b); err != nil {
		log.Warningf(context.TODO(), "push of txn %s failed: %s", txn, err)
		return
	}
	br := b.RawResponse()
	// Update the supplied txn on successful push.
	*txn = br.Responses[0].GetInner().(*roachpb.PushTxnResponse).PusheeTxn
}