Class CopyJob (1.24.0)
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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_id | strthe job's ID, within the project belonging to |
| sources | List[google.cloud.bigquery.table.TableReference]Table from which data is to be loaded. |
| destination | google.cloud.bigquery.table.TableReferenceTable into which data is to be loaded. |
| client | google.cloud.bigquery.client.ClientA client which holds credentials and project configuration for the dataset (which requires a project). |
| job_config | google.cloud.bigquery.job.CopyJobConfig(Optional) Extra configuration options for the copy job. |
Inheritance
builtins.object >google.api_core.future.base.Future >google.api_core.future.polling.PollingFuture >google.cloud.bigquery.job._AsyncJob >CopyJobMethods
__init__
__init__(job_id,sources,destination,client,job_config=None)Initialize self. See help(type(self)) for accurate signature.
add_done_callback
add_done_callback(fn)Add a callback to be executed when the operation is complete.
If the operation is not already complete, this will start a helperthread to poll for the status of the operation in the background.
| Name | Description |
| fn | Callable[Future]The callback to execute when the operation is complete. |
cancel
cancel(client=None,retry=<google.api_core.retry.Retryobject>,timeout=None)API call: cancel job via a POST request
Seehttps://cloud.google.com/bigquery/docs/reference/rest/v2/jobs/cancel
| Name | Description |
| client | Optional[google.cloud.bigquery.client.Client]the client to use. If not passed, falls back to the |
| retry | Optional[google.api_core.retry.Retry]How to retry the RPC. |
| timeout | Optional[float]The number of seconds to wait for the underlying HTTP transport before using |
| Type | Description |
| bool | Boolean indicating that the cancel request was sent. |
cancelled
cancelled()Check if the job has been cancelled.
This always returns False. It's not possible to check if a job wascancelled in the API. This method is here to satisfy the interfaceforgoogle.api_core.future.Future.
| Type | Description |
| bool | False |
done
done(retry=<google.api_core.retry.Retryobject>,timeout=None)Refresh the job and checks if it is complete.
| Name | Description |
| retry | google.api_core.retry.Retry(Optional) How to retry the RPC. |
| timeout | Optional[float]The number of seconds to wait for the underlying HTTP transport before using |
| Type | Description |
| bool | True if the job is complete, False otherwise. |
exception
exception(timeout=None)Get the exception from the operation, blocking if necessary.
| Name | Description |
| timeout | intHow long to wait for the operation to complete. If None, wait indefinitely. |
| Type | Description |
| Optional[google.api_core.GoogleAPICallError] | The operation's error. |
exists
exists(client=None,retry=<google.api_core.retry.Retryobject>,timeout=None)API call: test for the existence of the job via a GET request
Seehttps://cloud.google.com/bigquery/docs/reference/rest/v2/jobs/get
| Name | Description |
| client | Optional[google.cloud.bigquery.client.Client]the client to use. If not passed, falls back to the |
| retry | google.api_core.retry.Retry(Optional) How to retry the RPC. |
| timeout | Optional[float]The number of seconds to wait for the underlying HTTP transport before using |
| Type | Description |
| bool | Boolean indicating existence of the job. |
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Last updated 2026-01-09 UTC.