V1Scan¶

V1Scan is an extension of the Scan abstraction for V1 DataSources that would like to participate in the DataSource V2 read code paths.

Contract¶

toV1TableScan¶

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

BaseRelation with TableScan to scan data from a DataSource v1 (to RDD[Row])

Used when:

• DataSourceV2Strategy execution planning strategy is executed (to plan DataSourceV2ScanRelation with V1Scan to RowDataSourceScanExec)

Implementations¶

• JDBCScan