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RE: Some questions about search order and languages

From: Julian Reschke <julian.reschke@gmx.de>
Date: Thu, 24 Apr 2003 16:04:22 +0200
To: "Horst Liermann" <horst.liermann@ixos.de>, <www-webdav-dasl@w3.org>
Message-ID: <JIEGINCHMLABHJBIGKBCKEAOHCAA.julian.reschke@gmx.de>

> From: www-webdav-dasl-request@w3.org
> [mailto:www-webdav-dasl-request@w3.org]On Behalf Of Horst Liermann
> Sent: Thursday, April 24, 2003 3:22 PM
> To: www-webdav-dasl@w3.org
> Subject: Some questions about search order and languages
>
>
>
> Some Questions/Hints about DASL SEARCH
>
> 1. Wildcard operator
> 	In section 5.15.1 the wildcard for a single char is "_", in the same
> section line 150 it is "?". Probably a mistake, which one is correct ?

"_" is correct. Thanks for spotting this.

> 2. Datatypes
>       	Datatypes can help speedup search and are more
> userfriendly.
>             But what happens if there are resources A and B, both have the
> same property http://mycompany.com/ns:Myproperty,
> 	but is of datatype "string" "100", the other of datatype "number"
> "100" ?
> 	Is this possible ?

Yes.

> 	What happens if there is a query using operator "less" "20" ? Will
> "20" be interpreted as a string or as a number ? (Note: String comparison
> differs with number comparison )
> 	What happens when using "orderby" is this case ?
> 	Is it possible to switch the datatype of a property on a given
> resource, using PROPPATCH ?

I think that's one of the big issues that still need to be solved.

> 3. What happens if there are a lot of  resources, all with a property ABC
> with attribute xml:lang=de.
> 	I make a query for property ABC with "orderby". Normaly I expect
> ordering in german.
> 	What is the "right" behavior, regarding SEARCH. What happens if a
> resource has a different language setting like greek ?

Again an open issue, see:


http://greenbytes.de/tech/webdav/draft-reschke-webdav-search-latest.html#rfc
.issue.language-comparison

and


http://greenbytes.de/tech/webdav/draft-reschke-webdav-search-latest.html#rfc
.issue.JW24d

Julian

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Received on Thursday, 24 April 2003 10:04:31 GMT

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