DataSourceRegister¶

DataSourceRegister is an abstraction of data sources to be available under shortName alias (so it can be looked up by the alias not a fully-qualified class name)

Contract¶

Short Name¶

shortName(): String

Short name (alias) of the data source

Used when:

• DataSource utility is used to lookup a data source

Data Source Discovery¶

DataSourceRegister should register itself in META-INF/services/org.apache.spark.sql.sources.DataSourceRegister file for Java's ServiceLoader to discover the service.