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Posted to issues@arrow.apache.org by "lidavidm (via GitHub)" <gi...@apache.org> on 2026/07/15 06:46:30 UTC
[I] c/driver/postgresql: test NUMERIC with property-based testing [arrow-adbc]
lidavidm opened a new issue, #4528:
URL: https://github.com/apache/arrow-adbc/issues/4528
### What feature or improvement would you like to see?
We should use something like https://hegel.dev/ or https://hypothesis.works/ to drive round-trip tests of NUMERIC values, testing different combinations of precision and scale, ideally testing both the fast and slow 128-bit implementations, to make sure things are well-tested. (For example, we should check scales that are negative, 0, less than precision, equal to precision.)
Perhaps instead of integrating a new test framework, we could use one of them to simply generate data and include that as fixtures in our tests. Also I think if we choose small precisions, we can simply test every single value.
For the fast/slow 128-bit implementations, we could add a (undocumented) option to disable the fast implementation, so that we get full coverage even on platforms that do not need the fallback.
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Re: [I] c/driver/postgresql: test NUMERIC with property-based testing [arrow-adbc]
Posted by "Mandukhai-Alimaa (via GitHub)" <gi...@apache.org>.
Mandukhai-Alimaa commented on issue #4528:
URL: https://github.com/apache/arrow-adbc/issues/4528#issuecomment-4983928696
take
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Re: [I] c/driver/postgresql: test NUMERIC with property-based testing [arrow-adbc]
Posted by "lidavidm (via GitHub)" <gi...@apache.org>.
lidavidm commented on issue #4528:
URL: https://github.com/apache/arrow-adbc/issues/4528#issuecomment-4977685194
CC @Mandukhai-Alimaa
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Re: [I] c/driver/postgresql: test NUMERIC with property-based testing [arrow-adbc]
Posted by "lidavidm (via GitHub)" <gi...@apache.org>.
lidavidm closed issue #4528: c/driver/postgresql: test NUMERIC with property-based testing
URL: https://github.com/apache/arrow-adbc/issues/4528
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