GraphRegistrationContext¶

GraphRegistrationContext is a registry of tables, views, and flows in a dataflow graph.

Creating Instance¶

GraphRegistrationContext takes the following to be created:

• Default Catalog
• Default Database
• Default SQL Configuration Properties

GraphRegistrationContext is created when:

• DataflowGraphRegistry is requested to createDataflowGraph

toDataflowGraph¶

toDataflowGraph: DataflowGraph

toDataflowGraph creates a DataflowGraph for the tables, views, and flows.

toDataflowGraph is used when:

• PipelinesHandler (Spark Connect) is requested to startRun

Tables¶

GraphRegistrationContext creates an empty registry of Tables when created.

A new Table is added when registerTable.

Views¶

GraphRegistrationContext creates an empty registry of Views when created.

Flows¶

GraphRegistrationContext creates an empty registry of UnresolvedFlows when created.

Register Table¶

registerTable(
  tableDef: Table): Unit

registerTable adds the given Table to tables registry.

registerTable is used when:

• PipelinesHandler (Spark Connect) is requested is requested to defineDataset