Koji Kawamura created NIFI-3918:
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Summary: JsonTreeReader doesn't read Choice data type
Key: NIFI-3918
URL: https://issues.apache.org/jira/browse/NIFI-3918
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Affects Versions: 1.2.0
Reporter: Koji Kawamura
Assignee: Koji Kawamura
Although most readers entirely delegate type conversion to DataTypeUtils,
JsonTreeRowRecordReader implements its own conversion and calls DataTypeUtils
based on desired data type at its convertField method.
However, CHOICE is not implemented in the switch/case block, so if desired
schema field is defined with Choice data type, JsonTreeRowRecordReader returns
null.
As a side note, Choice is a counterpart to Avro Union, which is used to define
optional fields (e.g. null or string) or possible different types (e.g. null,
string or int).
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