[FLINK-8069] Support empty watermark strategy for TableSources

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Implemented
• Fix Version/s: 1.4.0, 1.5.0
• Component/s: Table SQL / API
• Assignee: Xingcan Cui
• Reporter: Timo Walther
• Created: 14/Nov/17 10:43
• Updated: 16/Nov/17 13:33
• Resolved: 16/Nov/17 13:33

Description

In case the underlying data stream source emits watermarks, it should be possible to define an empty watermark strategy for rowtime attributes in the RowtimeAttributeDescriptor.

Issue Links

• links to: GitHub Pull Request #5016