sealed trait Dependency extends AnyRef
Represents a dependency of a SQL object such as a view or metric view.
A dependency is one of: TableDependency or FunctionDependency. The
sealed declaration enforces this structurally.
Note: today the only producer in Spark itself is metric-view dependency extraction, which
emits TableDependency only. FunctionDependency and the
#function(String[]) factory are exposed as groundwork for future producers
(e.g. SQL UDF dependency tracking); consumers iterating a DependencyList received
from Spark today should expect to see only TableDependency instances.
- Annotations
- @Evolving()
- Source
- Dependency.java
- Since
4.2.0
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(Since version 9)