airflow.providers.trino.transfers.gcs_to_trino¶
This module contains Google Cloud Storage to Trino operator.
Module Contents¶
Classes¶
Loads a csv file from Google Cloud Storage into a Trino table. |
- class airflow.providers.trino.transfers.gcs_to_trino.GCSToTrinoOperator(*, source_bucket, source_object, trino_table, trino_conn_id='trino_default', gcp_conn_id='google_cloud_default', schema_fields=None, schema_object=None, impersonation_chain=None, **kwargs)[source]¶
Bases:
airflow.models.BaseOperatorLoads a csv file from Google Cloud Storage into a Trino table.
Assumptions: 1. CSV file should not have headers 2. Trino table with requisite columns is already created 3. Optionally, a separate JSON file with headers can be provided
- Parameters
source_bucket (str) – Source GCS bucket that contains the csv
source_object (str) – csv file including the path
trino_table (str) – trino table to upload the data
trino_conn_id (str) – destination trino connection
gcp_conn_id (str) – (Optional) The connection ID used to connect to Google Cloud and interact with the Google Cloud Storage service.
schema_fields (Iterable[str] | None) – The names of the columns to fill in the table. If schema_fields is provided, any path provided in the schema object will be
schema_object (str | None) – JSON file with schema fields
impersonation_chain (str | Sequence[str] | None) – Optional service account to impersonate using short-term credentials, or chained list of accounts required to get the access_token of the last account in the list, which will be impersonated in the request. If set as a string, the account must grant the originating account the Service Account Token Creator IAM role. If set as a sequence, the identities from the list must grant Service Account Token Creator IAM role to the directly preceding identity, with first account from the list granting this role to the originating account.