SYS_TRANSACTION_HISTORY
跟踪查询时，使用 SYS_TRANSACTION_HISTORY 查看事务的详细信息。
SYS_TRANSACTION_HISTORY 仅对超级用户可见。有关更多信息，请参阅 系统表和视图中的数据可见性。
表列
| 列名称 | 数据类型 | 描述 |
|---|---|---|
| user_id | 整数 | 生成该条目的用户 ID。 |
| transaction_id | bigint | 事务的 ID。 |
| isolation_level | 文本 | 事务的隔离级别。可能的值为 Serializable 和 Snapshot Isolation。 |
| status | 文本 | 事务的状态。可能的状态为 committed 和 rolledback。 |
| transaction_start_time | 时间戳 | 事务的开始时间。 |
| commit_start_time | 时间戳 | 提交的开始时间。 |
| commit_end_time | 时间戳 | 提交的结束时间。 |
| blocks_committed | bigint | 必须作为此提交的一部分写入的数据块的数量。 |
| undo_transaction_id | bigint | 撤消事务的 ID（如果有任何事务已被撤消）。否则，此值为 -1。 |
示例查询
select * from sys_transaction_history order by transaction_start_time desc; user_id | transaction_id | isolation_level | status | transaction_start_time | commit_start_time | commit_end_time | blocks_committed | undo_transaction_id ---------+----------------+-----------------+------------+----------------------------+----------------------------+----------------------------+------------------+--------------------- 100 | 1310 | Serializable | committed | 2023-08-27 21:03:11.822205 | 2023-08-28 21:03:11.825287 | 2023-08-28 21:03:11.854883 | 17 | -1 101 | 1345 | Serializable | committed | 2023-08-27 21:03:12.000278 | 2023-08-28 21:03:12.003736 | 2023-08-28 21:03:12.030061 | 17 | -1 102 | 1367 | Serializable | committed | 2023-08-27 21:03:12.1532 | 2023-08-28 21:03:12.156124 | 2023-08-28 21:03:12.186468 | 17 | -1 100 | 1370 | Serializable | committed | 2023-08-27 21:03:12.199316 | 2023-08-28 21:03:12.204854 | 2023-08-28 21:03:12.238186 | 24 | -1 100 | 1408 | Serializable | committed | 2023-08-27 21:03:53.891107 | 2023-08-28 21:03:53.894825 | 2023-08-28 21:03:53.927465 | 17 | -1 100 | 1409 | Serializable | rolledback | 2023-08-27 21:03:53.936431 | 2000-01-01 00:00:00 | 2023-08-28 21:04:08.712532 | 0 | 1409 101 | 1415 | Serializable | committed | 2023-08-27 21:04:24.283188 | 2023-08-28 21:04:24.289196 | 2023-08-28 21:04:24.374318 | 25 | -1 101 | 1416 | Serializable | committed | 2023-08-27 21:04:24.38818 | 2023-08-28 21:04:24.391688 | 2023-08-28 21:04:24.415135 | 17 | -1 100 | 1417 | Serializable | rolledback | 2023-08-27 21:04:24.424252 | 2000-01-01 00:00:00 | 2023-08-28 21:04:28.354826 | 0 | 1417 101 | 1418 | Serializable | rolledback | 2023-08-27 21:04:24.425195 | 2000-01-01 00:00:00 | 2023-08-28 21:04:28.680355 | 0 | 1418 100 | 1420 | Serializable | committed | 2023-08-27 21:04:28.697607 | 2023-08-28 21:04:28.702374 | 2023-08-28 21:04:28.735541 | 23 | -1 101 | 1421 | Serializable | committed | 2023-08-27 21:04:28.744854 | 2023-08-28 21:04:28.749344 | 2023-08-28 21:04:28.779029 | 23 | -1 101 | 1423 | Serializable | committed | 2023-08-27 21:04:28.78942 | 2023-08-28 21:04:28.791556 | 2023-08-28 21:04:28.817485 | 16 | -1 100 | 1430 | Serializable | committed | 2023-08-27 21:04:28.917788 | 2023-08-28 21:04:28.919993 | 2023-08-28 21:04:28.944812 | 16 | -1 102 | 1494 | Serializable | committed | 2023-08-27 21:04:37.029058 | 2023-08-28 21:04:37.033137 | 2023-08-28 21:04:37.062001 | 16 | -1