Amazon Redshift 將不再支援從修補程式 198 開始建立新的 Python UDFs。現有 Python UDF 將繼續正常運作至 2026 年 6 月 30 日。如需詳細資訊，請參閱[部落格文章](https://aws.amazon.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/)。 本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。 # SYS\$1SESSION\$1HISTORY SYS\$1SESSION\$1HISTORY 使用 SYS\$1SESSION\$1HISTORY 來檢視目前作用中工作階段和工作階段歷史記錄的相關資訊。 所有使用者都可看見 SYS\$1SESSION\$1HISTORY。超級使用者可以看見所有資料列；一般使用者只能看見自己的資料。如需詳細資訊，請參閱[系統資料表和檢視中資料的可見性](cm_chap_system-tables.md#c_visibility-of-data)。 ## 資料表欄 資料表欄 [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/redshift/latest/dg/SYS_SESSION_HISTORY.html) ### 範例 範例 下列為 SYS\$1SESSION\$1HISTORY 的範例輸出。 ``` select * from sys_session_history; user_id | session_id | database_name | status | session_timeout | start_time | end_time ---------+------------+------------------+--------+-----------------+----------------------------+---------------------------- 1 | 1073971370 | dev | closed | 0 | 2023-07-17 15:50:12.030104 | 2023-07-17 15:50:12.123218 1 | 1073979694 | dev | closed | 0 | 2023-07-17 15:50:24.117947 | 2023-07-17 15:50:24.131859 1 | 1073873049 | dev | closed | 0 | 2023-07-17 15:49:29.067398 | 2023-07-17 15:49:29.070294 1 | 1073873086 | database18127a4a | closed | 0 | 2023-07-17 15:49:29.119018 | 2023-07-17 15:49:29.125925 1 | 1073832112 | dev | closed | 0 | 2023-07-17 15:49:29.164688 | 2023-07-17 15:49:29.179631 1 | 1073987697 | dev | closed | 0 | 2023-07-17 15:49:29.26749 | 2023-07-17 15:49:29.273034 1 | 1073922429 | dev | closed | 0 | 2023-07-17 15:49:33.35315 | 2023-07-17 15:49:33.367499 1 | 1073766783 | dev | closed | 0 | 2023-07-17 15:49:45.38237 | 2023-07-17 15:49:45.396902 1 | 1073807506 | dev | active | 0 | 2023-07-17 15:51:48 | ```