Class LoadJob (3.25.0) 

LoadJob(job_id, source_uris, destination, client, job_config=None)

Asynchronous job for loading data into a table.

Can load from Google Cloud Storage URIs or from a file.

Parameters
Name Description
job_id str

the job's ID
source_uris Optional[Sequence[str]]

URIs of one or more data files to be loaded. See https://cloud.google.com/bigquery/docs/reference/rest/v2/Job#JobConfigurationLoad.FIELDS.source_uris for supported URI formats. Pass None for jobs that load from a file.
destination google.cloud.bigquery.table.TableReference

reference to table into which data is to be loaded.
client google.cloud.bigquery.client.Client

A client which holds credentials and project configuration for the dataset (which requires a project).

Properties

allow_jagged_rows

See allow_jagged_rows.

allow_quoted_newlines

See allow_quoted_newlines.

autodetect

See autodetect.

clustering_fields

See clustering_fields.

configuration

The configuration for this load job.

connection_properties

See connection_properties.

.. versionadded:: 3.7.0

create_disposition

See create_disposition.

create_session

See create_session.

.. versionadded:: 3.7.0

created

Datetime at which the job was created.

Returns
Type Description
Optional[datetime.datetime] the creation time (None until set from the server).

destination

google.cloud.bigquery.table.TableReference: table where loaded rows are written

See: https://cloud.google.com/bigquery/docs/reference/rest/v2/Job#JobConfigurationLoad.FIELDS.destination_table

destination_encryption_configuration

google.cloud.bigquery.encryption_configuration.EncryptionConfiguration: Custom encryption configuration for the destination table.

Custom encryption configuration (e.g., Cloud KMS keys) or :data:None if using default encryption.

See destination_encryption_configuration.

destination_table_description

Optional[str] name given to destination table.

See: https://cloud.google.com/bigquery/docs/reference/rest/v2/Job#DestinationTableProperties.FIELDS.description

destination_table_friendly_name

Optional[str] name given to destination table.

See: https://cloud.google.com/bigquery/docs/reference/rest/v2/Job#DestinationTableProperties.FIELDS.friendly_name

encoding

See encoding.

ended

Datetime at which the job finished.

Returns
Type Description
Optional[datetime.datetime] the end time (None until set from the server).

error_result

Error information about the job as a whole.

Returns
Type Description
Optional[Mapping] the error information (None until set from the server).

errors

Information about individual errors generated by the job.

Returns
Type Description
Optional[List[Mapping]] the error information (None until set from the server).

etag

ETag for the job resource.

Returns
Type Description
Optional[str] the ETag (None until set from the server).

field_delimiter

See field_delimiter.

ignore_unknown_values

See ignore_unknown_values.

input_file_bytes

Count of bytes loaded from source files.

Exceptions
Type Description
ValueError for invalid value types.
Returns
Type Description
Optional[int] the count (None until set from the server).

input_files

Count of source files.

Returns
Type Description
Optional[int] the count (None until set from the server).

job_id

str: ID of the job.

job_type

Type of job.

Returns
Type Description
str one of 'load', 'copy', 'extract', 'query'.

labels

Dict[str, str]: Labels for the job.

location

str: Location where the job runs.

max_bad_records

See max_bad_records.

null_marker

See null_marker.

num_child_jobs

The number of child jobs executed.

See: https://cloud.google.com/bigquery/docs/reference/rest/v2/Job#JobStatistics.FIELDS.num_child_jobs

output_bytes

Count of bytes saved to destination table.

Returns
Type Description
Optional[int] the count (None until set from the server).

output_rows

Count of rows saved to destination table.

Returns
Type Description
Optional[int] the count (None until set from the server).

parent_job_id

Return the ID of the parent job.

See: https://cloud.google.com/bigquery/docs/reference/rest/v2/Job#JobStatistics.FIELDS.parent_job_id

Returns
Type Description
Optional[str] parent job id.

path

URL path for the job's APIs.

Returns
Type Description
str the path based on project and job ID.

project

Project bound to the job.

Returns
Type Description
str the project (derived from the client).

quote_character

See quote_character.

range_partitioning

See range_partitioning.

reference_file_schema_uri

See: attr:<xref uid="google.cloud.bigquery.job.LoadJobConfig.reference_file_schema_uri">google.cloud.bigquery.job.LoadJobConfig.reference_file_schema_uri</xref>.

reservation_usage

Job resource usage breakdown by reservation.

Returns
Type Description
List[google.cloud.bigquery.job.ReservationUsage] Reservation usage stats. Can be empty if not set from the server.

schema

See schema.

schema_update_options

See schema_update_options.

script_statistics

Statistics for a child job of a script.

URL for the job resource.

Returns
Type Description
Optional[str] the URL (None until set from the server).

session_info

[Preview] Information of the session if this job is part of one.

.. versionadded:: 2.29.0

skip_leading_rows

See skip_leading_rows.

source_format

See source_format.

source_uris

Optional[Sequence[str]]: URIs of data files to be loaded. See https://cloud.google.com/bigquery/docs/reference/rest/v2/Job#JobConfigurationLoad.FIELDS.source_uris for supported URI formats. None for jobs that load from a file.

started

Datetime at which the job was started.

Returns
Type Description
Optional[datetime.datetime] the start time (None until set from the server).

state

Status of the job.

Returns
Type Description
Optional[str] the state (None until set from the server).

time_partitioning

See time_partitioning.

transaction_info

Information of the multi-statement transaction if this job is part of one.

Since a scripting query job can execute multiple transactions, this property is only expected on child jobs. Use the list_jobs method with the parent_job parameter to iterate over child jobs.

.. versionadded:: 2.24.0

use_avro_logical_types

See use_avro_logical_types.

user_email

E-mail address of user who submitted the job.

Returns
Type Description
Optional[str] the URL (None until set from the server).

write_disposition

See write_disposition.

Methods

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 helper thread to poll for the status of the operation in the background.

Parameter
Name Description
fn Callable[Future]

The callback to execute when the operation is complete.

cancel

cancel(client=None, retry: typing.Optional[google.api_core.retry.retry_unary.Retry] = <google.api_core.retry.retry_unary.Retry object>, timeout: typing.Optional[float] = None) -> bool

API call: cancel job via a POST request

See https://cloud.google.com/bigquery/docs/reference/rest/v2/jobs/cancel

Parameters
Name Description
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 retry
client Optional[google.cloud.bigquery.client.Client]

the client to use. If not passed, falls back to the client stored on the current dataset.
Returns
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 was cancelled in the API. This method is here to satisfy the interface for google.api_core.future.Future.

Returns
Type Description
bool False

done

done(retry: google.api_core.retry.retry_unary.Retry = <google.api_core.retry.retry_unary.Retry object>, timeout: typing.Optional[float] = 128, reload: bool = True) -> bool

Checks if the job is complete.

Parameters
Name Description
timeout Optional[float]

The number of seconds to wait for the underlying HTTP transport before using retry.
reload Optional[bool]

If True, make an API call to refresh the job state of unfinished jobs before checking. Default True.
retry Optional[google.api_core.retry.Retry]

How to retry the RPC. If the job state is DONE, retrying is aborted early, as the job will not change anymore.
Returns
Type Description
bool True if the job is complete, False otherwise.

exception

exception(timeout=<object object>)

Get the exception from the operation, blocking if necessary.

See the documentation for the result method for details on how this method operates, as both result and this method rely on the exact same polling logic. The only difference is that this method does not accept retry and polling arguments but relies on the default ones instead.

Parameter
Name Description
timeout int

How long to wait for the operation to complete.
Returns
Type Description
Optional[google.api_core.GoogleAPICallError] The operation's error.

exists

exists(client=None, retry: google.api_core.retry.retry_unary.Retry = <google.api_core.retry.retry_unary.Retry object>, timeout: typing.Optional[float] = None) -> bool

API call: test for the existence of the job via a GET request

See https://cloud.google.com/bigquery/docs/reference/rest/v2/jobs/get

Parameters
Name Description
timeout Optional[float]

The number of seconds to wait for the underlying HTTP transport before using retry.
client Optional[google.cloud.bigquery.client.Client]

the client to use. If not passed, falls back to the client stored on the current dataset.
retry Optional[google.api_core.retry.Retry]

How to retry the RPC.
Returns
Type Description
bool Boolean indicating existence of the job.

from_api_repr

from_api_repr(resource: dict, client) -> google.cloud.bigquery.job.load.LoadJob

Factory: construct a job given its API representation

Parameters
Name Description
resource Dict

dataset job representation returned from the API
client google.cloud.bigquery.client.Client

Client which holds credentials and project configuration for the dataset.
Returns
Type Description
google.cloud.bigquery.job.LoadJob Job parsed from resource.

reload

reload(client=None, retry: google.api_core.retry.retry_unary.Retry = <google.api_core.retry.retry_unary.Retry object>, timeout: typing.Optional[float] = 128)

API call: refresh job properties via a GET request.

See https://cloud.google.com/bigquery/docs/reference/rest/v2/jobs/get

Parameters
Name Description
timeout Optional[float]

The number of seconds to wait for the underlying HTTP transport before using retry.
client Optional[google.cloud.bigquery.client.Client]

the client to use. If not passed, falls back to the client stored on the current dataset.
retry Optional[google.api_core.retry.Retry]

How to retry the RPC.

result

result(retry: typing.Optional[google.api_core.retry.retry_unary.Retry] = <google.api_core.retry.retry_unary.Retry object>, timeout: typing.Optional[float] = None) -> google.cloud.bigquery.job.base._AsyncJob

Start the job and wait for it to complete and get the result.

Parameters
Name Description
retry Optional[google.api_core.retry.Retry]

How to retry the RPC. If the job state is DONE, retrying is aborted early, as the job will not change anymore.
timeout Optional[float]

The number of seconds to wait for the underlying HTTP transport before using retry. If multiple requests are made under the hood, timeout applies to each individual request.
Exceptions
Type Description
google.cloud.exceptions.GoogleAPICallError if the job failed.
concurrent.futures.TimeoutError if the job did not complete in the given timeout.
Returns
Type Description
_AsyncJob This instance.

running

running()

True if the operation is currently running.

set_exception

set_exception(exception)

Set the Future's exception.

set_result

set_result(result)

Set the Future's result.

to_api_repr

to_api_repr()

Generate a resource for _begin.