Re: Text Search zero padding
От | Richard Huxton |
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Тема | Re: Text Search zero padding |
Дата | |
Msg-id | 47C7D68F.5010608@archonet.com обсуждение исходный текст |
Ответ на | Re: Text Search zero padding (Oleg Bartunov <oleg@sai.msu.su>) |
Ответы |
Re: Text Search zero padding
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Список | pgsql-general |
Oleg Bartunov wrote: > On Thu, 28 Feb 2008, Richard Greenwood wrote: > >> So far my best idea is to create a tsvector column containing both >> padded and non-padded versions of the value. i.e. put both R1234 and >> R0001234 into the tsvector column. This seems pretty brute force, and >> I am pretty new to text search, so I'd welcome any suggestions. > > create your dictionary, which index R0001234 as R0001234 and R1234 > Seems, dict_regex is your friend. > http://vo.astronet.ru/arxiv/dict_regex.html Nice - I was thinking something like that would be useful, but Googling hadn't found me anything. Thanks for that link Oleg. Wouldn't it be more efficient to have the regex-dictionary map just to R1234 though? Or R0001234, I suppose. -- Richard Huxton Archonet Ltd
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