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Posted to dev@avro.apache.org by "Michael A. Smith (Jira)" <ji...@apache.org> on 2021/05/23 01:50:00 UTC
[jira] [Work started] (AVRO-3146) Test scale validation when
encoding decimal logical schema
[ https://issues.apache.org/jira/browse/AVRO-3146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on AVRO-3146 started by Michael A. Smith.
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> 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
> Assignee: Michael A. Smith
> Priority: Major
>
> 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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