which analyzer are you usin'?
On Sun, Jun 27, 2010 at 7:12 AM, a peng <zhoudengp...@gmail.com> wrote: > Hi, > > I know the indexed content contains the following text: "This is a test". > And the search phrase I used is "This is a formal test", and then I set the > slop of the PhraseQuery as 2 with setSlop(2), but I found that I can not > get > a search result. If I set the search phrase as "This is formal test", then > I > can get the search result. > > So what is the problem here, thanks in advance. > > > Attached is the Java doc for the setSlop method: > > public void *setSlop*(int s) > > Sets the number of other words permitted between words in query phrase. If > zero, then this is an exact phrase search. For larger values this works > like > a WITHIN or NEAR operator. > > The slop is in fact an edit-distance, where the units correspond to moves > of > terms in the query phrase out of position. For example, to switch the order > of two words requires two moves (the first move places the words atop one > another), so to permit re-orderings of phrases, the slop must be at least > two. > > More exact matches are scored higher than sloppier matches, thus search > results are sorted by exactness. > > The slop is zero by default, requiring exact matches. > -- Thanks & Regards Tarun Sapra
