本文整理汇总了C++中WT_CONNECTION::query_timestamp方法的典型用法代码示例。如果您正苦于以下问题：C++ WT_CONNECTION::query_timestamp方法的具体用法？C++ WT_CONNECTION::query_timestamp怎么用？C++ WT_CONNECTION::query_timestamp使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类WT_CONNECTION的用法示例。
在下文中一共展示了WT_CONNECTION::query_timestamp方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: sizeof
//.........这里部分代码省略.........
case WT_ROLLBACK: /* Update conflict */
default: /* Other error */
error_check(session->rollback_transaction(session, NULL));
/* The rollback_transaction call resets all cursors. */
break;
}
/*
* Cursors remain open and may be used for multiple transactions.
*/
/*! [transaction commit/rollback] */
error_check(cursor->close(cursor));
/*! [transaction isolation] */
/* A single transaction configured for snapshot isolation. */
error_check(session->open_cursor(
session, "table:mytable", NULL, NULL, &cursor));
error_check(session->begin_transaction(session, "isolation=snapshot"));
cursor->set_key(cursor, "some-key");
cursor->set_value(cursor, "some-value");
error_check(cursor->update(cursor));
error_check(session->commit_transaction(session, NULL));
/*! [transaction isolation] */
{
/*! [transaction prepare] */
/*
* Prepare a transaction which guarantees a subsequent commit will
* succeed. Only commit and rollback are allowed on a transaction after
* it has been prepared.
*/
error_check(session->open_cursor(
session, "table:mytable", NULL, NULL, &cursor));
error_check(session->begin_transaction(session, NULL));
cursor->set_key(cursor, "key");
cursor->set_value(cursor, "value");
error_check(session->prepare_transaction(
session, "prepare_timestamp=2a"));
error_check(session->commit_transaction(
session, "commit_timestamp=2b"));
/*! [transaction prepare] */
}
/*! [session isolation configuration] */
/* Open a session configured for read-uncommitted isolation. */
error_check(conn->open_session(
conn, NULL, "isolation=read-uncommitted", &session));
/*! [session isolation configuration] */
/*! [session isolation re-configuration] */
/* Re-configure a session for snapshot isolation. */
error_check(session->reconfigure(session, "isolation=snapshot"));
/*! [session isolation re-configuration] */
error_check(session->close(session, NULL));
session = session_arg;
{
/*! [transaction pinned range] */
/* Check the transaction ID range pinned by the session handle. */
uint64_t range;
error_check(session->transaction_pinned_range(session, &range));
/*! [transaction pinned range] */
}
error_check(session->begin_transaction(session, NULL));
{
/*! [query timestamp] */
char timestamp_buf[2 * sizeof(uint64_t) + 1];
/*! [transaction timestamp] */
error_check(
session->timestamp_transaction(session, "commit_timestamp=2a"));
/*! [transaction timestamp] */
error_check(session->commit_transaction(session, NULL));
error_check(conn->query_timestamp(
conn, timestamp_buf, "get=all_committed"));
/*! [query timestamp] */
}
/*! [set commit timestamp] */
error_check(conn->set_timestamp(conn, "commit_timestamp=2a"));
/*! [set commit timestamp] */
/*! [set oldest timestamp] */
error_check(conn->set_timestamp(conn, "oldest_timestamp=2a"));
/*! [set oldest timestamp] */
/*! [set stable timestamp] */
error_check(conn->set_timestamp(conn, "stable_timestamp=2a"));
/*! [set stable timestamp] */
/*! [rollback to stable] */
error_check(conn->rollback_to_stable(conn, NULL));
/*! [rollback to stable] */
}