Michael A. Smith created AVRO-3146:
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Summary: Test scale validation when encoding decimal logical schema
Key: AVRO-3146
URL: https://issues.apache.org/jira/browse/AVRO-3146
Project: Apache Avro
Issue Type: Test
Components: python
Affects Versions: 1.10.2
Reporter: Michael A. Smith
Based on [a CodeQL
finding|https://github.com/apache/avro/security/code-scanning/464], it seems
decimal logical types are probably broken and need testing with various
encoding and decoding steps. I think:
1. Python decimal exponents are always negative, and avro schema scales are
always positive, so the {{if exp > scale: raise}} check does not raise an
exception.
2. If it did, it would raise the wrong exception, because it would fail to
instantiate the exception class.
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