[NIFI-9169] Improvement For PutDatabaseRecord `Update Keys`, when we set sth like ${update.keys} but there is no 'update.keys' attribute of incoming flowfile

• Type: Improvement
• Status: In Progress
• Priority: Major
• Resolution: Unresolved
• Assignee: ZhangCheng
• Reporter: ZhangCheng
• Created: 26/Aug/21 06:24
• Updated: 21/Oct/22 00:21

Description

For NIFI, If we set some EL to one processor, such as `${schema.name}` for PutDatabaseREcord, and the incoming flowfile does not have a `schema.name` attribute, then the result of PutDatabaseRecord property evalutes is Empty String(""), not NULL.

So for PutDatabaseRecord `Update Keys`, If we set ${update.keys}, but some flowfiles has `update.keys` attribute , some not. And we will get wrong

Issue Links

• relates to: NIFI-9607 PutDatabaseRecord doesn't honor Update Keys when Quote Identifiers is true
• links to: GitHub Pull Request #5348