CreatableRelationProvider¶

CreatableRelationProvider is an abstraction of data source providers that can save data and create a BaseRelation.

Contract¶

createRelation¶

createRelation(
  sqlContext: SQLContext,
  mode: SaveMode,
  parameters: Map[String, String],
  data: DataFrame): BaseRelation

Saves the given DataFrame to this data source (and creates a BaseRelation to represent the relation)

The SaveMode specifies what should happen when the target relation (destination) already exists.

Used when:

• DataSource is requested to writeAndRead
• SaveIntoDataSourceCommand logical command is requested to run

Implementations¶

• ConsoleSinkProvider
• JdbcRelationProvider
• KafkaSourceProvider