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https://issues.apache.org/jira/browse/PROTON-1160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16396422#comment-16396422
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Justin Ross commented on PROTON-1160:
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[~kpvdr], as a user of these APIs, how did you interface to the decimal types?
Are you passing in byte arrays, or was there something higher level?
> [Python binding] decimal32 and decimal64 are sent byte reversed
> ---------------------------------------------------------------
>
> Key: PROTON-1160
> URL: https://issues.apache.org/jira/browse/PROTON-1160
> Project: Qpid Proton
> Issue Type: Bug
> Components: python-binding
> Reporter: Kim van der Riet
> Assignee: Kim van der Riet
> Priority: Major
>
> When sending {{decimal32}} and {{decimal64}} types to or from the Python
> binding, the byte order of the numbers are reversed. This does not apply to
> the {{decimal128}} type.
> It is noteworthy that this bug was exposed by qpid-interop-test when run
> against the C++ binding. In C++, these types are all based on a byte array,
> whereas in the Python binding, {{decimal32}} and {{decimal64}} are derived
> from Python types {{int}} and {{long}} respectively, while {{decimal128}} is
> derived from Python type {{bytes}}.
> Decimal32:
> {noformat}
> sent:['0x00000000', '0x40490fdb', '0xc02df854', '0xff7fffff']
> received:['0x00000000', '0xdb0f4940', '0x54f82dc0', '0xffff7fff']
> {noformat}
> Decimal64:
> {noformat}
> sent:['0x0000000000000000', '0x400921fb54442eea', '0xc005bf0a8b145fcf',
> '0xffefffffffffffff']
> received:['0x0000000000000000', '0xea2e4454fb210940', '0xcf5f148b0abf05c0',
> '0xffffffffffffefff']
> {noformat}
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