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CopyJob(job_id, sources, destination, client, job_config=None)
Asynchronous job: copy data into a table from other tables.
Parameters Name Description job_idstr
the job's ID, within the project belonging to client
.
List[google.cloud.bigquery.table.TableReference]
Table from which data is to be loaded.
destinationgoogle.cloud.bigquery.table.TableReference
Table into which data is to be loaded.
clientgoogle.cloud.bigquery.client.Client
A client which holds credentials and project configuration for the dataset (which requires a project).
job_configOptional[google.cloud.bigquery.job.CopyJobConfig]
Extra configuration options for the copy job.
Inheritancebuiltins.object > google.api_core.future.base.Future > google.api_core.future.polling.PollingFuture > google.cloud.bigquery.job.base._AsyncJob > CopyJob Properties create_dispositionSee create_disposition.
createdDatetime at which the job was created.
Returns Type Description Optional[datetime.datetime] the creation time (None until set from the server). destinationgoogle.cloud.bigquery.table.TableReference: Table into which data is to be loaded.
destination_encryption_configuration endedDatetime at which the job finished.
Returns Type Description Optional[datetime.datetime] the end time (None until set from the server). error_resultError information about the job as a whole.
Returns Type Description Optional[Mapping] the error information (None until set from the server). errorsInformation about individual errors generated by the job.
Returns Type Description Optional[List[Mapping]] the error information (None until set from the server). etagETag for the job resource.
Returns Type Description Optional[str] the ETag (None until set from the server). Methods add_done_callbackAdd a callback to be executed when the operation is complete.
If the operation is not already complete, this will start a helper thread to poll for the status of the operation in the background.
Parameter Name Description fnCallable[Future]
The callback to execute when the operation is complete.
cancelcancel(client=None, retry=<google.api_core.retry.Retry object>, timeout=None)
Parameters Name Description client Optional[google.cloud.bigquery.client.Client]
the client to use. If not passed, falls back to the client
stored on the current dataset.
Optional[google.api_core.retry.Retry]
How to retry the RPC.
timeoutOptional[float]
The number of seconds to wait for the underlying HTTP transport before using retry
Check if the job has been cancelled.
This always returns False. It's not possible to check if a job was cancelled in the API. This method is here to satisfy the interface for google.api_core.future.Future
.
done(retry=<google.api_core.retry.Retry object>, timeout=None, reload=True)
Checks if the job is complete.
Parameters Name Description retryOptional[google.api_core.retry.Retry]
How to retry the RPC.
timeoutOptional[float]
The number of seconds to wait for the underlying HTTP transport before using retry
.
Optional[bool]
If True
, make an API call to refresh the job state of unfinished jobs before checking. Default True
.
Get the exception from the operation, blocking if necessary.
Parameter Name Description timeoutint
How long to wait for the operation to complete. If None, wait indefinitely.
Returns Type Description Optional[google.api_core.GoogleAPICallError] The operation's error. existsexists(client=None, retry=<google.api_core.retry.Retry object>, timeout=None)
Parameters Name Description client Optional[google.cloud.bigquery.client.Client]
the client to use. If not passed, falls back to the client
stored on the current dataset.
Optional[google.api_core.retry.Retry]
How to retry the RPC.
timeoutOptional[float]
The number of seconds to wait for the underlying HTTP transport before using retry
.
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Last updated 2025-08-07 UTC.
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