Re: contains functionality in Lucene

2009-02-26 Thread Danil Ε’ORIN
You can generate n-grams: for example when you index "lucene" you create tokens "luce", "ucen", "cene". It will increase term count (and index size), however on search you will simply search for a single term, which will be extremely fast. It depends how may documents you have, size of each docum

Re: contains functionality in Lucene

2009-02-26 Thread Erick Erickson
There is an option to turn leading wildcards on, see QueryParser. All the usual caveats about TooManyClauses apply Best Erick On Thu, Feb 26, 2009 at 7:59 AM, wrote: > > Hi all, > > We have a business requirement that needs Lucene to search similar to > contains (of SQL) such that we can h

contains functionality in Lucene

2009-02-26 Thread Joseph.Syjuco
Hi all, We have a business requirement that needs Lucene to search similar to contains (of SQL) such that we can have something like *ucen* which should return lucene and lucent ... unfortunately wildcards are not allowed at the start of the search keyword - how should I go about this? Is thi