Re: Include Lists for Text Search
От | Simon Riggs |
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Тема | Re: Include Lists for Text Search |
Дата | |
Msg-id | 1189427307.4281.226.camel@ebony.site обсуждение исходный текст |
Ответ на | Re: Include Lists for Text Search ("Heikki Linnakangas" <heikki@enterprisedb.com>) |
Ответы |
Re: Include Lists for Text Search
Re: Include Lists for Text Search |
Список | pgsql-hackers |
On Mon, 2007-09-10 at 12:58 +0100, Heikki Linnakangas wrote: > Simon Riggs wrote: > > It seems possible to write your own functions to support various > > possibilities with text search. > > > > One of the more common thoughts is to have a list of words that you > > would like to include, i.e. the opposite of a stop word list. > > > > There are clear indications that indexing too many words is a problem > > for both GIN and GIST. If people already know what they'll be looking > > for and what they will never be looking for, it seems easier to supply > > that list up front, rather than hide it behind lots of hand-crafted > > code. > > I don't understand what you're proposing. We already have dict_synonym > that you can use to accept a simple list of words. How does that allow me to limit the number of words to a known list? -- Simon Riggs 2ndQuadrant http://www.2ndQuadrant.com
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