Thanks for the feedback Michael.
> Subject: Re: Attribute syntax and search filters > To: [email protected]; [email protected] > From: [email protected] > Date: Fri, 30 Oct 2015 09:34:49 +0100 > > Michael wrote: > > I originally had a request from developers to allow substr searches on the > > "drawId" integer attribute you see below. As you know, substr searches on > > integers are not supported so I changed the schema and modified the > > attribute type to a numeric string. This worked as expected but now they > > are coming back to me asking why negative numbers are not being matched in > > their search filters. After some reading I understand the numeric string > > syntax is used to hold strings comprised of one or more ASCII numeric > > digits digits and/or space characters. The hyphen is not allowed, so it is > > not possible to represent negative values. Is there any alternative here? > > Your analysis is correct and the developers have to choose the syntax based on > the matching they need. They cannot have everything at once. > > Also SUBSTR matching for Integers are most times a nasty work-around for > interval checking. So they rather might need an ORDERING matching rule. > > Ciao, Michael. > >
