ExternalConfig(source_format)
Description of an external data source.
Parameter | |
---|---|
Name | Description |
source_format |
ExternalSourceFormat
See |
Properties
autodetect
bool: If :data:True
, try to detect schema and format options
automatically.
avro_options
Additional properties to set if sourceFormat
is set to AVRO.
bigtable_options
Additional properties to set if sourceFormat
is set to BIGTABLE.
compression
str: The compression type of the data source.
connection_id
Optional[str]: [Experimental] ID of a BigQuery Connection API resource.
.. WARNING::
This feature is experimental. Pre-GA features may have limited support, and changes to pre-GA features may not be compatible with other pre-GA versions.
csv_options
Additional properties to set if sourceFormat
is set to CSV.
decimal_target_types
Possible SQL data types to which the source decimal values are converted.
.. versionadded:: 2.21.0
google_sheets_options
Additional properties to set if sourceFormat
is set to
GOOGLE_SHEETS.
hive_partitioning
Optional[.external_config.HivePartitioningOptions
]: [Beta] When set, it configures hive partitioning support.
ignore_unknown_values
bool: If :data:True
, extra values that are not represented in the
table schema are ignored. Defaults to :data:False
.
max_bad_records
int: The maximum number of bad records that BigQuery can ignore when reading data.
options
Source-specific options.
parquet_options
Additional properties to set if sourceFormat
is set to PARQUET.
reference_file_schema_uri
Optional[str]: When creating an external table, the user can provide a reference file with the table schema. This is enabled for the following formats:
AVRO, PARQUET, ORC
schema
List[SchemaField]: The schema for the data.
source_format
.external_config.ExternalSourceFormat
:
Format of external source.
source_uris
List[str]: URIs that point to your data in Google Cloud.
Methods
from_api_repr
from_api_repr(
resource: dict,
) -> google.cloud.bigquery.external_config.ExternalConfig
Factory: construct an .external_config.ExternalConfig
instance given its API representation.
Parameter | |
---|---|
Name | Description |
resource |
Dict[str, Any]
Definition of an |
Returns | |
---|---|
Type | Description |
ExternalConfig | Configuration parsed from resource . |
to_api_repr
to_api_repr() -> dict
Build an API representation of this object.
Returns | |
---|---|
Type | Description |
Dict[str, Any] | A dictionary in the format used by the BigQuery API. |
__init__
__init__(source_format) -> None
Initialize self. See help(type(self)) for accurate signature.
ExternalConfig
ExternalConfig(source_format)
Description of an external data source.
Parameter | |
---|---|
Name | Description |
source_format |
ExternalSourceFormat
See |