[SPARK-23533] Add support for changing ContinuousDataReader's startOffset

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.3.0
• Fix Version/s: 2.4.0
• Component/s: Structured Streaming
• Assignee: Yuanjian Li
• Reporter: Yuanjian Li
• Created: 28/Feb/18 07:28
• Updated: 15/Mar/18 07:04
• Resolved: 15/Mar/18 07:04

Description

As discussion in https://github.com/apache/spark/pull/20675, we need add a new interface `ContinuousDataReaderFactory` to support the requirements of setting start offset in Continuous Processing.

Issue Links

• links to: [Github] Pull Request #20689 (xuanyuanking)