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https://issues.apache.org/jira/browse/JENA-235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13264052#comment-13264052
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Andy Seaborne commented on JENA-235:
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Do we need value spaces for yearMonth and dayTime?
Probably not : add "isYearMonth" and "isDayTime" to NodeValueDuration.
Operations / date and time related
Add and subtract only (for now)
(xsd:duration, xsd:duration) -> xsd:duration
10.6.1 op:add-yearMonthDurations
10.6.2 op:subtract-yearMonthDurations
(xsd:duration, xsd:duration) -> xsd:duration
10.6.6 op:add-dayTimeDurations
10.6.7 op:subtract-dayTimeDurations
(xsd:dateTime, xsd:dateTime) -> xsd:duration
10.8.1 op:subtract-dateTimes -> xsd:dayTimeDuration
(xsd:date, xsd:date) -> xsd:duration
10.8.2 op:subtract-dates
(xsd:time, xsd:time) -> xsd:duration
10.8.3 op:subtract-times
(xsd:dateTime, xsd:duration) -> xsd:dateTime
10.8.4 op:add-yearMonthDuration-to-dateTime
10.8.5 op:add-dayTimeDuration-to-dateTime
10.8.6 op:subtract-yearMonthDuration-from-dateTime
10.8.7 op:subtract-dayTimeDuration-from-dateTime
(xsd:date, xsd:duration) -> xsd;date
10.8.8 op:add-yearMonthDuration-to-date
10.8.9 op:add-dayTimeDuration-to-date
10.8.10 op:subtract-yearMonthDuration-from-date
10.8.11 op:subtract-dayTimeDuration-from-date
(xsd:time, xsd:duration) -> xsd:time
10.8.12 op:add-dayTimeDuration-to-time
10.8.13 op:subtract-dayTimeDuration-from-time
---- Full list
10.6 Arithmetic Operators on Durations
(xsd:duration, xsd:duration) -> xsd:duration
10.6.1 op:add-yearMonthDurations
10.6.2 op:subtract-yearMonthDurations
(xsd:duration, xsd;double) -> xsd:duration
10.6.3 op:multiply-yearMonthDuration
10.6.4 op:divide-yearMonthDuration
(xsd:duration, xsd:duration) -> xsd:duration
10.6.5 op:divide-yearMonthDuration-by-yearMonthDuration
10.6.6 op:add-dayTimeDurations
10.6.7 op:subtract-dayTimeDurations
(xsd:duration, xsd;double) -> xsd:duration
10.6.8 op:multiply-dayTimeDuration
10.6.9 op:divide-dayTimeDuration
(xsd:duration, xsd;duration) -> xsd:decimal
10.6.10 op:divide-dayTimeDuration-by-dayTimeDuration
10.8 Arithmetic Operators on Durations, Dates and Times
(xsd:dateTime, xsd:dateTime) -> xsd:dayTimeDuration
10.8.1 op:subtract-dateTimes
(xsd:date, xsd:date) -> xsd:dayTimeDuration
10.8.2 op:subtract-dates
(xsd:time, xsd:time) -> xsd:dayTimeDuration
10.8.3 op:subtract-times
(xsd:dateTime, xsd:duration) -> xsd:dateTime
10.8.4 op:add-yearMonthDuration-to-dateTime
10.8.5 op:add-dayTimeDuration-to-dateTime
10.8.6 op:subtract-yearMonthDuration-from-dateTime
10.8.7 op:subtract-dayTimeDuration-from-dateTime
(xsd:date, xsd:duration) -> xsd:date
10.8.8 op:add-yearMonthDuration-to-date
10.8.9 op:add-dayTimeDuration-to-date
10.8.10 op:subtract-yearMonthDuration-from-date
10.8.11 op:subtract-dayTimeDuration-from-date
(xsd:time, xsd:duration) -> xsd:time
10.8.12 op:add-dayTimeDuration-to-time
10.8.13 op:subtract-dayTimeDuration-from-time
> Add support to ARQ/SPARQL for more XSD datatypes and related operations.
> ------------------------------------------------------------------------
>
> Key: JENA-235
> URL: https://issues.apache.org/jira/browse/JENA-235
> Project: Apache Jena
> Issue Type: Task
> Components: ARQ
> Reporter: Andy Seaborne
> Priority: Minor
> Labels: arq, datatypes
>
> Possibilities to add to ARQ:
> See http://www.w3.org/TR/xmlschema11-2/#built-in-datatypes
> xsd:dateTimeStamp
> Derived from dateTime by requiring the timezone
> xsd:dayTimeDuration
> No year or month fields,
> Only day, hour, minute, or seconds fields.
> xsd:yearMonthDuration
> Only year or month fields,
> Derived from duration -- no day, hour, minute, or seconds fields.
> These durations are totally order. Also related arithmetic operations on
> xsd:dateTime
> xsd:time
> xsd:precisionDecimal
> See http://www.w3.org/TR/xsd-precisionDecimal/
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