Ryan Blue created SPARK-31255:
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Summary: DataSourceV2: Add metadata columns
Key: SPARK-31255
URL: https://issues.apache.org/jira/browse/SPARK-31255
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.0.0
Reporter: Ryan Blue
DSv2 should support reading additional metadata columns that are not in a
table's schema. This allows users to project metadata like Kafka's offset,
timestamp, and partition. It also allows other sources to expose metadata like
file and row position.
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