CloudSpannerProperties(mapping=None, *, ignore_unknown_fields=False, **kwargs)Connection properties specific to Cloud Spanner.
Attributes |
|
|---|---|
| Name | Description |
database |
str
Cloud Spanner database in the form \`project/instance/database' |
use_parallelism |
bool
If parallelism should be used when reading from Cloud Spanner |
max_parallelism |
int
Allows setting max parallelism per query when executing on Spanner independent compute resources. If unspecified, default values of parallelism are chosen that are dependent on the Cloud Spanner instance configuration. REQUIRES: use_parallelism must be set. REQUIRES: Either
use_data_boost or use_serverless_analytics must be
set.
|
use_serverless_analytics |
bool
If the serverless analytics service should be used to read data from Cloud Spanner. Note: use_parallelism must be
set when using serverless analytics.
|
use_data_boost |
bool
If set, the request will be executed via Spanner independent compute resources. REQUIRES: use_parallelism must be
set.
NOTE: use_serverless_analytics will be deprecated.
Prefer use_data_boost over use_serverless_analytics.
|
database_role |
str
Optional. Cloud Spanner database role for fine-grained access control. The Cloud Spanner admin should have provisioned the database role with appropriate permissions, such as SELECT and INSERT. Other users should only
use roles provided by their Cloud Spanner admins.
For more details, see [About fine-grained access control]
(https://cloud.google.com/spanner/docs/fgac-about).
REQUIRES: The database role name must start with a letter,
and can only contain letters, numbers, and underscores.
|