package connector
Type Members
- case class ColumnImpl(name: String, dataType: DataType, nullable: Boolean, comment: String, defaultValue: ColumnDefaultValue, generationExpression: String, metadataInJSON: String) extends Column with Product with Serializable
- abstract class ExpressionWithToString extends Expression with Serializable
- trait SimpleTableProvider extends TableProvider
- trait SupportsMetadata extends AnyRef
A mix-in interface for
FileScan.A mix-in interface for
FileScan. This can be used to report metadata for a file based scan operator. This is currently used for supporting formatted explain. - trait SupportsPushDownCatalystFilters extends AnyRef
A mix-in interface for
FileScanBuilder.A mix-in interface for
FileScanBuilder. File sources can implement this interface to push down filters to the file source. The pushed down filters will be separated into partition filters and data filters. Partition filters are used for partition pruning and data filters are used to reduce the size of the data to be read. - trait SupportsStreamingUpdateAsAppend extends WriteBuilder
An internal
WriteBuildermixin to support UPDATE streaming output mode.An internal
WriteBuildermixin to support UPDATE streaming output mode. Now there's no good way to pass thekeysto upsert or replace (delete -> append), we do the same with append writes and let end users to deal with.This approach may be still valid for streaming writers which can't do the upsert or replace. We can promote the API to the official API along with the new API for upsert/replace.
- class ToStringSQLBuilder extends V2ExpressionSQLBuilder with Serializable
The builder to generate
toStringinformation of V2 expressions. - case class V1Function(info: ExpressionInfo) extends UnboundFunction with Product with Serializable