Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. Existing Python UDFs will continue to function until June 30, 2026. For more information, see the [ blog post ](https://aws.amazon.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/). # System information functions Amazon Redshift supports numerous system information functions. **Topics** + [CURRENT\$1AWS\$1ACCOUNT](r_CURRENT_AWS_ACCOUNT.md) + [CURRENT\$1DATABASE](r_CURRENT_DATABASE.md) + [CURRENT\$1NAMESPACE](r_CURRENT_NAMESPACE.md) + [CURRENT\$1SCHEMA](r_CURRENT_SCHEMA.md) + [CURRENT\$1SCHEMAS](r_CURRENT_SCHEMAS.md) + [CURRENT\$1SESSION\$1ARN](r_CURRENT_SESSION_ARN.md) + [CURRENT\$1USER](r_CURRENT_USER.md) + [CURRENT\$1USER\$1ID](r_CURRENT_USER_ID.md) + [DEFAULT\$1IAM\$1ROLE](r_DEFAULT_IAM_ROLE.md) + [GET\$1MOUNTED\$1ROLE](GET_MOUNTED_ROLE.md) + [HAS\$1ASSUMEROLE\$1PRIVILEGE](r_HAS_ASSUMEROLE_PRIVILEGE.md) + [HAS\$1DATABASE\$1PRIVILEGE](r_HAS_DATABASE_PRIVILEGE.md) + [HAS\$1SCHEMA\$1PRIVILEGE](r_HAS_SCHEMA_PRIVILEGE.md) + [HAS\$1TABLE\$1PRIVILEGE](r_HAS_TABLE_PRIVILEGE.md) + [LAST\$1USER\$1QUERY\$1ID](LAST_USER_QUERY_ID.md) + [PG\$1BACKEND\$1PID](PG_BACKEND_PID.md) + [PG\$1GET\$1COLS](PG_GET_COLS.md) + [PG\$1GET\$1GRANTEE\$1BY\$1IAM\$1ROLE](PG_GET_GRANTEE_BY_IAMROLE.md) + [PG\$1GET\$1IAM\$1ROLE\$1BY\$1USER](PG_GET_IAM_ROLE_BY_USER.md) + [PG\$1GET\$1LATE\$1BINDING\$1VIEW\$1COLS](PG_GET_LATE_BINDING_VIEW_COLS.md) + [PG\$1GET\$1SESSION\$1ROLES](PG_GET_SESSION_ROLES.md) + [PG\$1LAST\$1COPY\$1COUNT](PG_LAST_COPY_COUNT.md) + [PG\$1LAST\$1COPY\$1ID](PG_LAST_COPY_ID.md) + [PG\$1LAST\$1UNLOAD\$1ID](PG_LAST_UNLOAD_ID.md) + [PG\$1LAST\$1QUERY\$1ID](PG_LAST_QUERY_ID.md) + [PG\$1LAST\$1UNLOAD\$1COUNT](PG_LAST_UNLOAD_COUNT.md) + [SLICE\$1NUM Function](r_SLICE_NUM.md) + [USER](r_USER.md) + [ROLE\$1IS\$1MEMBER\$1OF](r_ROLE_IS_MEMBER_OF.md) + [USER\$1IS\$1MEMBER\$1OF](r_USER_IS_MEMBER_OF.md) + [VERSION](r_VERSION.md)