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| author | Keith Bostic <keith@wiredtiger.com> | 2012-08-13 14:55:31 +0000 |
|---|---|---|
| committer | Keith Bostic <keith@wiredtiger.com> | 2012-08-13 14:55:31 +0000 |
| commit | d41dd40709bedb19950c1aa43ea25ae9bb0b01f9 (patch) | |
| tree | 9607db11024014e521bec01148ae407d3dacdf3e /examples/c | |
| parent | b3236229a726ecd7bdf232b60466ff28d0aabf93 (diff) | |
| download | mongo-d41dd40709bedb19950c1aa43ea25ae9bb0b01f9.tar.gz | |
Make cursors long-lived objects: instead of txn_commit and txn_rollback
closing cursors, txn_commit, txn_rollback and txn_begin all reset any
open cursors. Ref #291.
If txn_commit fails, document the transaction was rolled-back. Ref #294.
Diffstat (limited to 'examples/c')
| -rw-r--r-- | examples/c/ex_all.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/examples/c/ex_all.c b/examples/c/ex_all.c index 9b883a66879..232bb587418 100644 --- a/examples/c/ex_all.c +++ b/examples/c/ex_all.c @@ -473,28 +473,22 @@ transaction_ops(WT_CONNECTION *conn, WT_SESSION *session) int ret; /*! [simple transaction] */ - ret = session->begin_transaction(session, NULL); - ret = session->open_cursor(session, "table:mytable", NULL, NULL, &cursor); + ret = session->begin_transaction(session, NULL); cursor->set_key(cursor, "some-key"); cursor->set_value(cursor, "some-value"); ret = cursor->update(cursor); - - /* Resolving the transaction closes the open cursors. */ ret = session->commit_transaction(session, NULL); /*! [simple transaction] */ /*! [simple rollback transaction] */ - ret = session->begin_transaction(session, NULL); - ret = session->open_cursor(session, "table:mytable", NULL, NULL, &cursor); + ret = session->begin_transaction(session, NULL); cursor->set_key(cursor, "some-key"); cursor->set_value(cursor, "some-value"); ret = cursor->update(cursor); - - /* Resolving the transaction closes the open cursors. */ switch (ret) { case 0: ret = session->commit_transaction(session, NULL); @@ -508,15 +502,12 @@ transaction_ops(WT_CONNECTION *conn, WT_SESSION *session) /*! [simple transaction isolation] */ /* A single transaction configured for snapshot isolation. */ - ret = session->begin_transaction(session, "isolation=snapshot"); - ret = session->open_cursor(session, "table:mytable", NULL, NULL, &cursor); + ret = session->begin_transaction(session, "isolation=snapshot"); cursor->set_key(cursor, "some-key"); cursor->set_value(cursor, "some-value"); ret = cursor->update(cursor); - - /* Resolving the transaction closes the open cursors. */ ret = session->commit_transaction(session, NULL); /*! [simple transaction isolation] */ |