[BEAM-14473] Throw error for unbounded, global window side inputs

• Type: Improvement
• Status: Resolved
• Priority: P2
• Resolution: Fixed
• Fix Version/s: 2.40.0
• Component/s: sdk-go
• Assignee: Jack McCluskey
• Reporter: Jack McCluskey
• Created: 16/May/22 16:11
• Updated: 16/May/22 17:04
• Resolved: 16/May/22 17:04

Description

Add an error at pipeline construction time to prevent users from using unbounded, globally windowed side inputs in DoFns. Normal execution would block the DoFn from running until the end of the global window, which prevents the pipeline from running at all.

Issue Links

• links to: GitHub Pull Request #17681