Yann Byron created SPARK-34978:
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Summary: Support time-travel SQL syntax
Key: SPARK-34978
URL: https://issues.apache.org/jira/browse/SPARK-34978
Project: Spark
Issue Type: New Feature
Components: SQL
Affects Versions: 3.1.1
Reporter: Yann Byron
Some DataSource have the ability to query the older snapshot, like Delta.
The syntax may be like `TIMESTAMP AS OF '
2018-10-18 22:15:12' ` to query the snapshot closest to this time point, or
`VERSION AS OF 12` to query the 12th snapshot.
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