DeltaTableValueFunction Logical Operators¶
DeltaTableValueFunction is an extension of the LeafNode (Spark SQL) abstraction for Delta table-valued functions.
Contract¶
Function Arguments¶
functionArgs: Seq[Expression]
Implementations¶
CDCNameBased¶
Function name: table_changes
CDCPathBased¶
Function name: table_changes_by_path
Creating Instance¶
DeltaTableValueFunction takes the following to be created:
- Function Name
Abstract Class
DeltaTableValueFunction is an abstract class and cannot be created directly. It is created indirectly for the concrete DeltaTableValueFunctions.