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。

# 系統資訊函數
<a name="r_System_information_functions"></a>

Amazon Redshift 支援許多系統資訊函數。

**Topics**
+ [CURRENT\_AWS\_ACCOUNT](r_CURRENT_AWS_ACCOUNT.md)
+ [CURRENT\_DATABASE](r_CURRENT_DATABASE.md)
+ [CURRENT\_NAMESPACE](r_CURRENT_NAMESPACE.md)
+ [CURRENT\_SCHEMA](r_CURRENT_SCHEMA.md)
+ [CURRENT\_SCHEMAS](r_CURRENT_SCHEMAS.md)
+ [CURRENT\_SESSION\_ARN](r_CURRENT_SESSION_ARN.md)
+ [CURRENT\_USER](r_CURRENT_USER.md)
+ [CURRENT\_USER\_ID](r_CURRENT_USER_ID.md)
+ [DEFAULT\_IAM\_ROLE](r_DEFAULT_IAM_ROLE.md)
+ [GET\_MOUNTED\_ROLE](GET_MOUNTED_ROLE.md)
+ [HAS\_ASSUMEROLE\_PRIVILEGE](r_HAS_ASSUMEROLE_PRIVILEGE.md)
+ [HAS\_DATABASE\_PRIVILEGE](r_HAS_DATABASE_PRIVILEGE.md)
+ [HAS\_SCHEMA\_PRIVILEGE](r_HAS_SCHEMA_PRIVILEGE.md)
+ [HAS\_TABLE\_PRIVILEGE](r_HAS_TABLE_PRIVILEGE.md)
+ [LAST\_USER\_QUERY\_ID](LAST_USER_QUERY_ID.md)
+ [PG\_BACKEND\_PID](PG_BACKEND_PID.md)
+ [PG\_GET\_COLS](PG_GET_COLS.md)
+ [PG\_GET\_GRANTEE\_BY\_IAM\_ROLE](PG_GET_GRANTEE_BY_IAMROLE.md)
+ [PG\_GET\_IAM\_ROLE\_BY\_USER](PG_GET_IAM_ROLE_BY_USER.md)
+ [PG\_GET\_LATE\_BINDING\_VIEW\_COLS](PG_GET_LATE_BINDING_VIEW_COLS.md)
+ [PG\_GET\_SESSION\_ROLES](PG_GET_SESSION_ROLES.md)
+ [PG\_LAST\_COPY\_COUNT](PG_LAST_COPY_COUNT.md)
+ [PG\_LAST\_COPY\_ID](PG_LAST_COPY_ID.md)
+ [PG\_LAST\_UNLOAD\_ID](PG_LAST_UNLOAD_ID.md)
+ [PG\_LAST\_QUERY\_ID](PG_LAST_QUERY_ID.md)
+ [PG\_LAST\_UNLOAD\_COUNT](PG_LAST_UNLOAD_COUNT.md)
+ [SLICE\_NUM 函數](r_SLICE_NUM.md)
+ [USER](r_USER.md)
+ [ROLE\_IS\_MEMBER\_OF](r_ROLE_IS_MEMBER_OF.md)
+ [USER\_IS\_MEMBER\_OF](r_USER_IS_MEMBER_OF.md)
+ [VERSION](r_VERSION.md)