[SPARK-18894] Event time watermark delay threshold specified in months or years gives incorrect results

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.1.1, 2.2.0
• Component/s: Structured Streaming
• Target Version/s: 2.1.1
• Assignee: Tathagata Das
• Reporter: Tathagata Das
• Created: 16/Dec/16 03:21
• Updated: 21/Dec/16 18:44
• Resolved: 21/Dec/16 18:44

Description

Internally we use CalendarInterval to parse the delay. Non-determinstic intervals like "month" and "year" are handled such a way that the generated delay in milliseconds is 0 delayThreshold is in months or years.

Issue Links

• links to: [Github] Pull Request #16304 (tdas)