Relation class

Represents a database relation.

Constructors

Relation({Map<String, String>? additionalOptions, List<String>? clusterExpressions, String? connection, List<Target>? dependencyTargets, bool? disabled, String? fileFormat, IncrementalTableConfig? incrementalTableConfig, int? partitionExpirationDays, String? partitionExpression, List<String>? postOperations, List<String>? preOperations, RelationDescriptor? relationDescriptor, String? relationType, bool? requirePartitionFilter, String? selectQuery, String? storageUri, String? tableFormat, List<String>? tags})

Relation.fromJson(Map json_)

Properties

additionalOptions ↔ Map<String, String>?

Additional options that will be provided as key/value pairs into the options clause of a create table/view statement.

getter/setter pair

clusterExpressions ↔ List<String>?

A list of columns or SQL expressions used to cluster the table.

getter/setter pair

connection ↔ String?

The connection specifying the credentials to be used to read and write to external storage, such as Cloud Storage.

getter/setter pair

dependencyTargets ↔ List<Target>?

A list of actions that this action depends on.

getter/setter pair

disabled ↔ bool?

Whether this action is disabled (i.e. should not be run).

getter/setter pair

fileFormat ↔ String?

The file format for the BigQuery table.

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

incrementalTableConfig ↔ IncrementalTableConfig?

Configures INCREMENTAL_TABLE settings for this relation.

getter/setter pair

partitionExpirationDays ↔ int?

Sets the partition expiration in days.

getter/setter pair

partitionExpression ↔ String?

The SQL expression used to partition the relation.

getter/setter pair

postOperations ↔ List<String>?

SQL statements to be executed after creating the relation.

getter/setter pair

preOperations ↔ List<String>?

SQL statements to be executed before creating the relation.

getter/setter pair

relationDescriptor ↔ RelationDescriptor?

Descriptor for the relation and its columns.

getter/setter pair

relationType ↔ String?

The type of this relation. Possible string values are:

getter/setter pair

requirePartitionFilter ↔ bool?

Specifies whether queries on this table must include a predicate filter that filters on the partitioning column.

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

selectQuery ↔ String?

The SELECT query which returns rows which this relation should contain.

getter/setter pair

storageUri ↔ String?

The fully qualified location prefix of the external folder where table data is stored.

getter/setter pair

tableFormat ↔ String?

The table format for the BigQuery table.

getter/setter pair

tags ↔ List<String>?

Arbitrary, user-defined tags on this action.

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