BigQueryDestination(mapping=None, *, ignore_unknown_fields=False, **kwargs)BigQuery destination.
Attributes |
|
|---|---|
| Name | Description |
dataset |
str
Required. The BigQuery dataset where the query results will be saved. It has the format of "projects/{projectId}/datasets/{datasetId}". |
table |
str
Required. The BigQuery table where the query results will be saved. If this table does not exist, a new table with the given name will be created. |
write_disposition |
str
Specifies the action that occurs if the destination table or partition already exists. The following values are supported: - WRITE_TRUNCATE: If the table or partition already exists, BigQuery overwrites the entire table or all the partitions data. - WRITE_APPEND: If the table or partition already exists, BigQuery appends the data to the table or the latest partition. - WRITE_EMPTY: If the table already exists and contains data, a 'duplicate' error is returned in the job result. The default value is WRITE_EMPTY. |