Alaksiej Ščarbaty created NIFI-15803:
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Summary: Invalid field type of Format record path function
Key: NIFI-15803
URL: https://issues.apache.org/jira/browse/NIFI-15803
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Affects Versions: 2.8.0
Reporter: Alaksiej Ščarbaty
Assignee: Alaksiej Ščarbaty
The {{format()}} RecordPath function preserves the source field's data type
(e.g., LONG, INT) on the returned {{FieldValue}} instead of using STRING.
When used with {{UpdateRecord}} to write a formatted timestamp into a new
field, the destination field inherits the source's numeric type, which is
incorrect.
{{{}{}}}E.g. record: {_}{ "event_time": 1234567890 }{_}, expression in
UpdateRecord: _/DATE = format(/event_time, 'yyy-MM-dd')_ causes
{{{}NumberFormatException{}}}, as writer expects the "DATE" fields to be of
"LONG" type.
Formatted fields should always be of a STRING type.
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