Specifies the refresh token used to either request a new access token or renew an expired access token. If an access token is not provided or expires at the time of connection, the access token generated using refresh token is used to authenticate to a Google BigQuery instance when OAuth 2.0 is enabled (AuthenticationMethod=oauth2).
See "Generating access token and refresh token" to know how to obtain a refresh token.
Valid Values
string
where:
string
is the refresh token you have obtained from Google BigQuery.
Notes
If a value for the AccessToken property is not specified, the driver uses the value of the RefreshToken property to generate an access token to make a connection.
If both AccessToken and RefreshToken values are not specified, the driver cannot make a successful connection.
If both AccessToken and RefreshToken values are specified, the driver uses the AccessToken value. However, if the AccessToken value has expired, it uses the RefreshToken value to generate a new AccessToken value.
If a value for the AccessToken property is not specified, the driver uses the value of the RefreshToken property to generate an access token to make a connection.