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- From: rsanford <rsanford@nolimitsystems.com>
- To: xml-dev@lists.xml.org
- Date: Fri, 25 Aug 2000 14:48:03 -0500
for single values the query engine wouldn't need to
know what the data type was but what about range
queries. for example, how would you search for
records where a date is between 2 march 98 and 4
august 99?
rjsjr
> -----Original Message-----
> From: John F. Schlesinger [mailto:johns@syscore.com]
> Sent: Friday, August 25, 2000 11:25 AM
> To: 'KenNorth'; xml-dev@lists.xml.org
> Subject: RE: XML and LDAP: Common APIs?
>
>
> Ken wrote:
> "How do you know whether a query should match a binary '101' or a decimal
> '101' if you don't use data types?"
>
> I don't think I need to know that to formulate a query. The
> system that does
> the matching will have to cast both the things being matched and my match
> string to some common form, but that's a different problem. In many cases
> everything is cast to a string - then my "101" matches ether a
> decimal "101"
> or a binary "101". If I meant a decimal "101" and it matched to a binary
> "101" by mistake, then I was querying the wrong field.
>
> Yours,
> John F Schlesinger
> SysCore Solutions
> 212 619 5200 x 219
> 917 886 5895 Mobile
>
> -----Original Message-----
> From: KenNorth [mailto:KenNorth@email.msn.com]
> Sent: Thursday, August 24, 2000 4:37 PM
> To: xml-dev@lists.xml.org
> Subject: Re: XML and LDAP: Common APIs?
>
>
>
>
> > Francis wrote:
> > "...Xpath (unlike XML-Schema)doesn't understand basic types like dates"
> >
> > I don't need data types to query.
>
> Okay, let's say you have a value of '101'.
>
> How do you know whether a query should match a binary '101' or a decimal
> '101' if you don't use data types?
>
>
>
>
>
>
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