The "usual" approach is to index to a second field but.... backwards. See ReverseStringFilter... Then all your leading wildcards are really trailing wildcards in the reversed field.
Best, Erick On Thu, Aug 28, 2014 at 10:38 AM, Rob Nikander <rob.nikan...@gmail.com> wrote: > Hi, > > I've got some short fields (phone num, email) that I'd like to search using > good old string matching. (The full query is a boolean "or" that also uses > real text fields.) I see the warnings about wildcard queries that start > with *, and I'm wondering... do you think it would be a good idea to index > all the suffixes? Eg, a phone num 5551234, would become 7 values for the > "phoneNum" field: 4, 34, 234, etc. So "512*" would be a hit. > > And maybe do something with the boosts so it doesn't overvalue the match > when it hits multiple values. ? > > Rob >
