Ejemplo n.º 1
0
 def __create_job_config(
         self, ems_query_job_config: EmsQueryJobConfig) -> QueryJobConfig:
     job_config = QueryJobConfig()
     job_config.priority = ems_query_job_config.priority.value
     job_config.use_legacy_sql = False
     job_config.use_query_cache = ems_query_job_config.use_query_cache
     job_config.labels = ems_query_job_config.labels
     if ems_query_job_config.destination_table is not None:
         job_config.time_partitioning = TimePartitioning("DAY")
         table_reference = TableReference(
             DatasetReference(
                 ems_query_job_config.destination_project_id
                 or self.__project_id,
                 ems_query_job_config.destination_dataset),
             ems_query_job_config.destination_table)
         job_config.destination = table_reference
         job_config.write_disposition = ems_query_job_config.write_disposition.value
         job_config.create_disposition = ems_query_job_config.create_disposition.value
     partitioning = ems_query_job_config.time_partitioning
     if partitioning is not None:
         job_config.time_partitioning = TimePartitioning(
             partitioning.type.value, partitioning.field,
             partitioning.expiration_ms,
             partitioning.require_partition_filter)
     if ems_query_job_config.table_definitions is not None:
         job_config.table_definitions = ems_query_job_config.table_definitions
     return job_config
Ejemplo n.º 2
0
def bq_create_table_as_select(google_client, dataset_id, table_name, query):

    table_ref = google_client.dataset(dataset_id).table(table_name)
    job_config = QueryJobConfig()

    job_config.destination = table_ref
    job_config.write_disposition = "WRITE_TRUNCATE"
    query_job = google_client.query(query=query, job_config=job_config)
    retry_count = 100
    while retry_count > 0 and query_job.state != 'DONE':
        retry_count -= 1
        time.sleep(3)
        query_job.reload()  # API call
        logging.info("job state : %s " % (query_job.state))
    logging.info("job state : %s at %s" % (query_job.state, query_job.ended))
def parse_url(url):  # noqa: C901
    query = dict(url.query)  # need mutable query.

    # use_legacy_sql (legacy)
    if "use_legacy_sql" in query:
        raise ValueError("legacy sql is not supported by this dialect")
    # allow_large_results (legacy)
    if "allow_large_results" in query:
        raise ValueError(
            "allow_large_results is only allowed for legacy sql, which is not supported by this dialect"
        )
    # flatten_results (legacy)
    if "flatten_results" in query:
        raise ValueError(
            "flatten_results is only allowed for legacy sql, which is not supported by this dialect"
        )
    # maximum_billing_tier (deprecated)
    if "maximum_billing_tier" in query:
        raise ValueError("maximum_billing_tier is a deprecated argument")

    project_id = url.host
    location = None
    dataset_id = url.database or None
    arraysize = None
    credentials_path = None

    # location
    if "location" in query:
        location = query.pop("location")

    # credentials_path
    if "credentials_path" in query:
        credentials_path = query.pop("credentials_path")

    # arraysize
    if "arraysize" in query:
        str_arraysize = query.pop("arraysize")
        try:
            arraysize = int(str_arraysize)
        except ValueError:
            raise ValueError("invalid int in url query arraysize: " +
                             str_arraysize)

    # if only these "non-config" values were present, the dict will now be empty
    if not query:
        # if a dataset_id exists, we need to return a job_config that isn't None
        # so it can be updated with a dataset reference from the client
        if dataset_id:
            return (
                project_id,
                location,
                dataset_id,
                arraysize,
                credentials_path,
                QueryJobConfig(),
            )
        else:
            return project_id, location, dataset_id, arraysize, credentials_path, None

    job_config = QueryJobConfig()

    # clustering_fields list(str)
    if "clustering_fields" in query:
        clustering_fields = GROUP_DELIMITER.split(query["clustering_fields"])
        job_config.clustering_fields = list(clustering_fields)

    # create_disposition
    if "create_disposition" in query:
        create_disposition = query["create_disposition"]
        try:
            job_config.create_disposition = getattr(CreateDisposition,
                                                    create_disposition)
        except AttributeError:
            raise ValueError("invalid create_disposition in url query: " +
                             create_disposition)

    # default_dataset
    if "default_dataset" in query or "dataset_id" in query or "project_id" in query:
        raise ValueError(
            "don't pass default_dataset, dataset_id, project_id in url query, instead use the url host and database"
        )

    # destination
    if "destination" in query:
        dest_project = None
        dest_dataset = None
        dest_table = None

        try:
            dest_project, dest_dataset, dest_table = query[
                "destination"].split(".")
        except ValueError:
            raise ValueError(
                "url query destination parameter should be fully qualified with project, dataset, and table"
            )

        job_config.destination = TableReference(
            DatasetReference(dest_project, dest_dataset), dest_table)

    # destination_encryption_configuration
    if "destination_encryption_configuration" in query:
        job_config.destination_encryption_configuration = EncryptionConfiguration(
            query["destination_encryption_configuration"])

    # dry_run
    if "dry_run" in query:
        try:
            job_config.dry_run = parse_boolean(query["dry_run"])
        except ValueError:
            raise ValueError("invalid boolean in url query for dry_run: " +
                             query["dry_run"])

    # labels
    if "labels" in query:
        label_groups = GROUP_DELIMITER.split(query["labels"])
        labels = {}
        for label_group in label_groups:
            try:
                key, value = KEY_VALUE_DELIMITER.split(label_group)
            except ValueError:
                raise ValueError("malformed url query in labels: " +
                                 label_group)
            labels[key] = value

        job_config.labels = labels

    # maximum_bytes_billed
    if "maximum_bytes_billed" in query:
        try:
            job_config.maximum_bytes_billed = int(
                query["maximum_bytes_billed"])
        except ValueError:
            raise ValueError(
                "invalid int in url query maximum_bytes_billed: " +
                query["maximum_bytes_billed"])

    # priority
    if "priority" in query:
        try:
            job_config.priority = getattr(QueryPriority, query["priority"])
        except AttributeError:
            raise ValueError("invalid priority in url query: " +
                             query["priority"])

    # query_parameters
    if "query_parameters" in query:
        raise NotImplementedError("url query query_parameters not implemented")

    # schema_update_options
    if "schema_update_options" in query:
        schema_update_options = GROUP_DELIMITER.split(
            query["schema_update_options"])
        try:
            job_config.schema_update_options = [
                getattr(SchemaUpdateOption, schema_update_option)
                for schema_update_option in schema_update_options
            ]
        except AttributeError:
            raise ValueError("invalid schema_update_options in url query: " +
                             query["schema_update_options"])

    # table_definitions
    if "table_definitions" in query:
        raise NotImplementedError(
            "url query table_definitions not implemented")

    # time_partitioning
    if "time_partitioning" in query:
        raise NotImplementedError(
            "url query time_partitioning not implemented")

    # udf_resources
    if "udf_resources" in query:
        raise NotImplementedError("url query udf_resources not implemented")

    # use_query_cache
    if "use_query_cache" in query:
        try:
            job_config.use_query_cache = parse_boolean(
                query["use_query_cache"])
        except ValueError:
            raise ValueError(
                "invalid boolean in url query for use_query_cache: " +
                query["use_query_cache"])

    # write_disposition
    if "write_disposition" in query:
        try:
            job_config.write_disposition = getattr(WriteDisposition,
                                                   query["write_disposition"])
        except AttributeError:
            raise ValueError("invalid write_disposition in url query: " +
                             query["write_disposition"])

    return project_id, location, dataset_id, arraysize, credentials_path, job_config