MultiInstanceRelation Logical Operators¶

MultiInstanceRelation is an abstraction of logical operators for which a single instance might appear multiple times in a logical query plan.

Contract¶

Creating New Instance¶

newInstance(): LogicalPlan

Used when:

• ResolveRelations logical resolution rule is executed
• DeduplicateRelations logical resolution rule is executed

Implementations¶

• CTERelationRef
• DataSourceV2Relation
• ExternalRDD
• HiveTableRelation
• InMemoryRelation
• LocalRelation
• LogicalRDD
• LogicalRelation
• others