Dariusz Seweryn created NIFI-14734:
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Summary: Schema Inference For Numeric Types
Key: NIFI-14734
URL: https://issues.apache.org/jira/browse/NIFI-14734
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Affects Versions: 2.4.0
Reporter: Dariusz Seweryn
Record Readers, when inferring schema from numeric types, e.g. JSON \{ "key":
100 }, will infer a schema with Field("key", Integer).
This may pose a problem for streaming processors such as ConsumeKafka or
ConsumeKinesisStream where a batch of records is retrieved at once — the
FlowFile writer gets created with the schema of the first received record,
which is some cases may infer an Integer sized field, where the next records
would contain Long values. Such situation would end up with exceptions being
thrown on record write to FlowFile.
This feature could be implemented as an additional property like "Numeric
Values Inferrence": ["Narrowest" (default, as it is now), "Widest"]
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