[SPARK-42591] Document SS guide doc for introducing watermark propagation among operators

• Type: Documentation
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.5.0
• Fix Version/s: 3.5.0
• Component/s: Structured Streaming
• Assignee: Jungtaek Lim
• Reporter: Jungtaek Lim
• Created: 27/Feb/23 04:43
• Updated: 07/Mar/23 20:23
• Resolved: 07/Mar/23 20:23

Description

Once SPARK-42376 has merged, we would want to also provide the example of using stream-stream time interval join followed by streaming aggregation. Just adding the feature without proper document may lead to the case no one even knows this is supported.

Issue Links

• links to: [Github] Pull Request #40215 (HeartSaVioR)