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https://issues.apache.org/jira/browse/VXQUERY-36?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Preston Carman reassigned VXQUERY-36:
-------------------------------------
Assignee: Preston Carman
> SubString Review of Double and Integer Parameters
> -------------------------------------------------
>
> Key: VXQUERY-36
> URL: https://issues.apache.org/jira/browse/VXQUERY-36
> Project: VXQuery
> Issue Type: Bug
> Reporter: Preston Carman
> Assignee: Preston Carman
>
> (Till suggestion) For fn:substring I think that we should keep the
> possibility to directly consume integer arguments, as this will we the most
> common case. We only need to insure, that the compiler won't always introduce
> the promotion to double.
> The handling of double arguments to fn:substring is not correct. Using
> intValue on the double will truncate the value, while the specification says
> that it needs to be rounded
> (http://www.w3.org/TR/xpath-functions/#func-substring). I would propose to
> leave it as-is for now and to fix it using our implementation for fn:round
> once that it available. If that's what we do, we should file a bug to ensure
> that we don't forget it.
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