ExternalDataConfiguration class

Constructors

ExternalDataConfiguration({bool? autodetect, AvroOptions? avroOptions, BigtableOptions? bigtableOptions, String? compression, String? connectionId, CsvOptions? csvOptions, String? dateFormat, String? datetimeFormat, List<String>? decimalTargetTypes, String? fileSetSpecType, GoogleSheetsOptions? googleSheetsOptions, HivePartitioningOptions? hivePartitioningOptions, bool? ignoreUnknownValues, String? jsonExtension, JsonOptions? jsonOptions, int? maxBadRecords, String? metadataCacheMode, String? objectMetadata, ParquetOptions? parquetOptions, String? referenceFileSchemaUri, TableSchema? schema, String? sourceFormat, List<String>? sourceUris, String? timeFormat, String? timeZone, String? timestampFormat, List<int>? timestampTargetPrecision})

ExternalDataConfiguration.fromJson(Map json_)

Properties

autodetect ↔ bool?

Try to detect schema and format options automatically.

getter/setter pair

avroOptions ↔ AvroOptions?

Additional properties to set if sourceFormat is set to AVRO.

getter/setter pair

bigtableOptions ↔ BigtableOptions?

Additional options if sourceFormat is set to BIGTABLE.

getter/setter pair

compression ↔ String?

The compression type of the data source.

getter/setter pair

connectionId ↔ String?

The connection specifying the credentials to be used to read external storage, such as Azure Blob, Cloud Storage, or S3.

getter/setter pair

csvOptions ↔ CsvOptions?

Additional properties to set if sourceFormat is set to CSV.

getter/setter pair

dateFormat ↔ String?

Format used to parse DATE values.

getter/setter pair

datetimeFormat ↔ String?

Format used to parse DATETIME values.

getter/setter pair

decimalTargetTypes ↔ List<String>?

Defines the list of possible SQL data types to which the source decimal values are converted.

getter/setter pair

fileSetSpecType ↔ String?

Specifies how source URIs are interpreted for constructing the file set to load.

getter/setter pair

googleSheetsOptions ↔ GoogleSheetsOptions?

Additional options if sourceFormat is set to GOOGLE_SHEETS.

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

hivePartitioningOptions ↔ HivePartitioningOptions?

When set, configures hive partitioning support.

getter/setter pair

ignoreUnknownValues ↔ bool?

Indicates if BigQuery should allow extra values that are not represented in the table schema.

getter/setter pair

jsonExtension ↔ String?

Load option to be used together with source_format newline-delimited JSON to indicate that a variant of JSON is being loaded.

getter/setter pair

jsonOptions ↔ JsonOptions?

Additional properties to set if sourceFormat is set to JSON.

getter/setter pair

maxBadRecords ↔ int?

The maximum number of bad records that BigQuery can ignore when reading data.

getter/setter pair

metadataCacheMode ↔ String?

Metadata Cache Mode for the table.

getter/setter pair

objectMetadata ↔ String?

ObjectMetadata is used to create Object Tables.

getter/setter pair

parquetOptions ↔ ParquetOptions?

Additional properties to set if sourceFormat is set to PARQUET.

getter/setter pair

referenceFileSchemaUri ↔ String?

When creating an external table, the user can provide a reference file with the table schema.

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

schema ↔ TableSchema?

The schema for the data.

getter/setter pair

sourceFormat ↔ String?

The data format.

getter/setter pair

sourceUris ↔ List<String>?

The fully-qualified URIs that point to your data in Google Cloud.

getter/setter pair

timeFormat ↔ String?

Format used to parse TIME values.

getter/setter pair

timestampFormat ↔ String?

Format used to parse TIMESTAMP values.

getter/setter pair

timestampTargetPrecision ↔ List<int>?

Precisions (maximum number of total digits in base 10) for seconds of TIMESTAMP types that are allowed to the destination table for autodetection mode.

getter/setter pair

timeZone ↔ String?

Time zone used when parsing timestamp values that do not have specific time zone information (e.g. 2024-04-20 12:34:56).

getter/setter pair

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toJson() → Map<String, dynamic>

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited