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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@s...] > Sent: Friday, August 25, 2000 11:25 AM > To: 'KenNorth'; xml-dev@l... > 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@e...] > Sent: Thursday, August 24, 2000 4:37 PM > To: xml-dev@l... > 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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