org.apache.spark.sql.connector.read

Interface V1Scan

All Superinterfaces:

Scan

@Unstable
public interface V1Scan
extends Scan

A trait that should be implemented by V1 DataSources that would like to leverage the DataSource V2 read code paths. This interface is designed to provide Spark DataSources time to migrate to DataSource V2 and will be removed in a future Spark release.

Since:

3.0.0

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.spark.sql.connector.read.Scan

Scan.ColumnarSupportMode

Method Summary

Modifier and Type	Method and Description
<T extends BaseRelation & TableScan> T	toV1TableScan(SQLContext context) Create an `BaseRelation` with `TableScan` that can scan data from DataSource v1 to RDD[Row].

Methods inherited from interface org.apache.spark.sql.connector.read.Scan

columnarSupportMode, description, readSchema, reportDriverMetrics, supportedCustomMetrics, toBatch, toContinuousStream, toMicroBatchStream

Method Detail

toV1TableScan

<T extends BaseRelation & TableScan> T toV1TableScan(SQLContext context)

Create an `BaseRelation` with `TableScan` that can scan data from DataSource v1 to RDD[Row].

Since:

3.0.0