Re: [GENERAL] Full Text Searches
От | Bruce Momjian |
---|---|
Тема | Re: [GENERAL] Full Text Searches |
Дата | |
Msg-id | 199905240330.XAA12027@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [GENERAL] Full Text Searches ("Brett W. McCoy" <bmccoy@lan2wan.com>) |
Ответы |
Re: [GENERAL] Full Text Searches
|
Список | pgsql-general |
We have a fulltext stuff in the contrib directory. > On Sun, 23 May 1999, Andy Lewis wrote: > > > Whats the possibility of having full text searches added to text fields? > > > > That would be awesome..... > > Unfortunately, full text indexing is a different issue than the kind of > indexing performed on table columns, and if you want to do any kind of > efficient full text searching, you have to index the individual words in > the text or it'd be so slow as to be hardly useful (especially if you're > talking about 600,000 records with 2K of text in each text field). > > Excalibur, for instance, creates its own internal indexing for full text > records, but uses an underlying SQL database for regular fielded data, and > when you design your database, you have to make the distinction about what > kind of indexing you want, stop words (words you don't want indexed, like > 'the' and 'of'), and the way certain fields can or will be searched. > > Brett W. McCoy > http://www.lan2wan.com/~bmccoy/ > ----------------------------------------------------------------------- > The six great gifts of an Irish girl are beauty, soft voice, sweet speech, > wisdom, needlework, and chastity. > -- Theodore Roosevelt, 1907 > > > > -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
В списке pgsql-general по дате отправления: