Thank you Jens. Am Dienstag, 2. Juni 2015 20:30:44 UTC+2 schrieb Philipp Hecht: > > Thank you. > > Am Montag, 1. Juni 2015 17:59:29 UTC+2 schrieb Jens Alfke: >> >> >> On Jun 1, 2015, at 1:41 AM, Philipp Hecht <philip...@bmtg.ch> wrote: >> >> Is it eventually planned to create the index over javascript? >> >> >> Probably, although we haven’t done any feature planning yet for how to >> bring FTS to other platforms/languages. >> >> or do you know a good solution how can i search full text offline >> (plattforms IOS, Android) over the coachbase lite database? >> >> >> You can implement it yourself, but it won’t be as fast, and it won’t >> handle all the edge cases unless you do a lot of work. >> The basic idea is to have the map function split the text into an array >> of words, then emit each word as a key. You need to: >> >> - lowercase the words >> - remove punctuation >> - remove common noise words like (in English) “the”, “a”, “an”, etc. >> These are called “stop words” and you can find lists of them online. >> - “stem” the words, which means removing variants like pluralization, >> verb conjugation, etc. >> >> Then when you query, break the query string into words in the same way, >> and set the array as the query.keys property. >> >> I’ve done this myself (to implement FTS on top of ForestDB). Stemming is >> the hardest part but you may be able to get away without it depending on >> the vocabulary in the text. >> >> —Jens >> >
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