Jan,
Sorry for the late response. It's been awhile since I've looked at the Proai
code. Best as I can tell from perusing Github, the relevant bit of code is at
https://github.com/fcrepo/proai/blob/master/src/java/proai/cache/RCDatabase.java#L773
which is basically appending some SQL conditions:
query.append(" AND rcRecord.modDate >= " + from.getTime());
query.append(" AND rcRecord.modDate <= " + until.getTime());
I didn't find any logic (which isn't to say that I didn't just overlook it)
which accounts for from and until being the same date and modifying the from
and until to be 12:00am and 11:59:59pm (or something like that).
But I'm not sure what the ISO8601 datetime representation of a simple date
(e.g. 2013-05-21) is supposed to be. If it's something like
2013-05-21T00:00:00, then I'd venture that Proai is behaving correctly.
On May 27, 2013, at 3:35 PM, jan schnasse <[email protected]> wrote:
> Hello,
>
> I'm wondering if proai conforms to the oai-pmh spec part 2.7.1 Selective
> Harvesting and Datestamps [1]. According to the spec a request with equal
> from and until timestamps should give all records with the exact same
> timestamp, or did I misunderstood? Proai only gives empty results in that
> case. Here is what the spec says:
>
> "Range limits are inclusive: from specifies a bound that must be interpreted
> as "greater than or equal to", until specifies a bound that must be
> interpreted as "less than or equal to". Therefore, the from argument must be
> less than or equal to the until argument. Otherwise, a repository must issue
> a badArgument error." [1]
>
> And here is an example from our oai-pmh endpoint:
>
> REQUEST
> oai-pmh?verb=ListRecords&metadataPrefix=oai_dc&from=2013-05-21&until=2013-05-21
> ANSWER
> noRecordsMatch
>
> REQUEST
> oai-pmh?verb=ListRecords&metadataPrefix=oai_dc&from=2013-05-21&until=2013-05-22
> ANSWER
> a list of records including records from 2013-05-21
>
> Is the proai behaviour correct?
>
> Best
> Jan
>
> [1]http://www.openarchives.org/OAI/openarchivesprotocol.html#SelectiveHarvestingandDatestamps
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