[FLINK-19434] Add StreamJobGraphGenerator support for source chaining

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.12.0
• Component/s: API / DataStream
• Labels: pull-request-available
• Assignee: Caizhi Weng
• Reporter: Caizhi Weng
• Created: 27/Sep/20 09:19
• Updated: 02/Oct/20 22:38
• Resolved: 02/Oct/20 22:38

Description

Add changes around StreamJobGraphGenerator to generate job graph with source chaining, so that both DataStream and Table API can take advantage of source chaining.

Issue Links

• links to: GitHub Pull Request #13513