ExposesMetadataColumns Logical Operators¶

ExposesMetadataColumns is an extension of the LogicalPlan abstraction for logical operators that can withMetadataColumns.

Contract¶

withMetadataColumns¶

withMetadataColumns(): LogicalPlan

See:

• DataSourceV2Relation
• LogicalRelation

Used when:

• AddMetadataColumns logical analysis rule is executed (and addMetadataCol)

Implementations¶

• DataSourceV2Relation
• LogicalRelation
• StreamingRelation (Spark Structured Streaming)