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  • Java


MilvusClient interface. This method gets all roles the user has.

R<SelectUserResponse> selectUser(SelectUserParam requestParam);


Use the SelectUserParam.Builder to construct a SelectUserParam object.

import io.milvus.param.SelectUserParam;
SelectUserParam.Builder builder = SelectUserParam.newBuilder();

Methods of SelectUserParam.Builder:

Method Description Parameters
withUsername(String username) Sets the username. Username cannot be empty or null. username: The user name.
withIncludeRoleInfo(boolean includeRoleInfo) Sets the includeRoleInfo. Default value is false. includeRoleInfo: The include role info or not.
build() Construct a SelectUserParam object. N/A

The can throw the following exceptions:

  • ParamException: error if the parameter is invalid.


This method catches all the exceptions and returns an R<SelectUserResponse> object.

  • If the API fails on the server side, it returns the error code and message from the server.

  • If the API fails by RPC exception, it returns R.Status.Unknown and error message of the exception.

  • If the API succeeds, it returns a valid SelectUserResponse held by the R template. You can use SelectUserResponse to get the user information.


import io.milvus.param.SelectUserParam;

R<SelectUserResponse> response = client.selectUser(SelectUserParam.newBuilder()

if (response.getStatus() != R.Status.Success.getCode()) {
    throw new RuntimeException(response.getMessage());