Expand description
A pinned LIR plan is a durable record of a dataflow’s plan; we must instantiate that plan with other runtime information to actually run the dataflow.
CatalogInstantiationContext is the InstantiationContext for
PinnedDataflow::instantiate, supplying the export descriptors not
recorded in the pinned plan and the current shape of each import. We look
this information up in the catalog items; each lookup reproduces what we
would have built in the first place.
Structs§
- Catalog
Instantiation Context - The catalog and the coordinator’s transient id generator, which together answer everything instantiation asks for.