Teradata Package for LangChain Function Reference - revoke - Teradata® Package for LangChain - Look here for syntax, methods and examples for the functions included in the Teradata langchain-teradata package.
Teradata® Package for LangChain Function Reference
- Deployment
- VantageCloud
- Edition
- Enterprise
- Product
- Teradata® Package for LangChain
- Release Number
- 20.00.00.01
- Published
- December 2025
- ft:locale
- en-US
- ft:lastEdition
- 2025-12-19
- dita:id
- Langchain-Teradata_FxRef_Lake
- Product Category
- Teradata Vantage
- libs.teradata.langchain_teradata.TeradataVectorStore.revoke
- DESCRIPTION:
Revoke the permission of the user on the vector store.
Notes:
* Only admin users can use this method.
* Admin can revoke admin/user permssions of other users and
admins on the vector store.
* Admin/User cannot revoke his own permssions.
* Admin cannot revoke user permissions of another admin.
First the admin permissions needs to be revoked and
then the user permission can be revoked.
* Refer to the 'Admin Flow' section in the
User guide for details.
PARAMETERS:
None
RETURNS:
None.
RAISES:
TeradataMlException.
EXAMPLES:
# NOTE: It is assumed that vector store "vs" already exits.
# Create an instance of the TeradataVectorStore class.
>>> vs = TeradataVectorStore(name="vs")
# Revoke 'admin' permission of user 'alice' on the vector store 'vs'.
>>> vs.revoke.admin('alice')
# Revoke 'user' permission of user 'alice' on the vector store 'vs'.
>>> vs.revoke.user('alice')