Andrew Kelleher created AVRO-2226:
-------------------------------------
Summary: UnionSchema deduction is too permissive
Key: AVRO-2226
URL: https://issues.apache.org/jira/browse/AVRO-2226
Project: Avro
Issue Type: Bug
Components: python
Affects Versions: 1.8.2
Reporter: Andrew Kelleher
When given a schema of the form
{code:java}
{
"type" : "record",
"name" : "A",
"namespace" : "com.example",
"fields" : [
{
"name" : "foo",
"type" : ["string", "null"]
}
]
}
{
"type" : "record",
"name" : "B",
"namespace" : "com.example",
"fields" : [
{
"name" : "bar",
"type" : ["string", "null"]
}
]
}
{
"type" : "record",
"name" : "AOrB",
"namespace" : "com.example",
"fields" : [
{
"name" : "entity",
"type" : [
"com.example.A",
"com.example.B"
]
}
]
}
{code}
And a datum of the form
{code}
{'entity': {'foo': 'this is an instance of schema A'}}{code}
Converting to a message, and then from a message chooses the incorrect `entity`
schema:
{code}
{'entity': {'bar': None}}{code}
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