/*
* __wt_txn_rollback --
* Roll back the current transaction.
*/
int
__wt_txn_rollback(WT_SESSION_IMPL *session, const char *cfg[])
{
WT_TXN *txn;
wt_txnid_t **m;
WT_REF **rp;
u_int i;
WT_UNUSED(cfg);
txn = &session->txn;
if (!F_ISSET(txn, TXN_RUNNING))
WT_RET_MSG(session, EINVAL, "No transaction is active");
/* Rollback updates. */
for (i = 0, m = txn->mod; i < txn->mod_count; i++, m++)
**m = WT_TXN_ABORTED;
/* Rollback fast deletes. */
for (i = 0, rp = txn->modref; i < txn->modref_count; i++, rp++)
__wt_tree_walk_delete_rollback(*rp);
__wt_txn_release(session);
return (0);
}
/*
* __wt_txn_rollback --
* Roll back the current transaction.
*/
int
__wt_txn_rollback(WT_SESSION_IMPL *session, const char *cfg[])
{
WT_DECL_RET;
WT_TXN *txn;
WT_TXN_OP *op;
u_int i;
WT_UNUSED(cfg);
txn = &session->txn;
if (!F_ISSET(txn, TXN_RUNNING))
WT_RET_MSG(session, EINVAL, "No transaction is active");
/* Rollback notification. */
if (txn->notify != NULL)
WT_TRET(txn->notify->notify(txn->notify, (WT_SESSION *)session,
txn->id, 0));
/* Rollback updates. */
for (i = 0, op = txn->mod; i < txn->mod_count; i++, op++) {
switch (op->type) {
case TXN_OP_BASIC:
case TXN_OP_INMEM:
op->u.op.upd->txnid = WT_TXN_ABORTED;
break;
case TXN_OP_REF:
__wt_tree_walk_delete_rollback(op->u.ref);
break;
case TXN_OP_TRUNCATE_COL:
case TXN_OP_TRUNCATE_ROW:
/*
* Nothing to do: these operations are only logged for
* recovery. The in-memory changes will be rolled back
* with a combination of TXN_OP_REF and TXN_OP_INMEM
* operations.
*/
break;
}
/* Free any memory allocated for the operation. */
__wt_txn_op_free(session, op);
}
__wt_txn_release(session);
return (ret);
}
