Re: Fragments in tsearch2 headline

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От Tom Lane
Тема Re: Fragments in tsearch2 headline
Дата
Msg-id 20717.1193542745@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Fragments in tsearch2 headline  ("Catalin Marinas" <catalin.marinas@gmail.com>)
Ответы Re: Fragments in tsearch2 headline  (Oleg Bartunov <oleg@sai.msu.su>)
Список pgsql-general
"Catalin Marinas" <catalin.marinas@gmail.com> writes:
> Is there an easy way to generate a headline from separate fragments
> containing the search words and maybe separated by "..."?

Hmm, the documentation for ts_headline claims it does this already:

    <function>ts_headline</function> accepts a document along
    with a query, and returns one or more ellipsis-separated excerpts from
    the document in which terms from the query are highlighted.

However, a quick look at the code suggests this is a lie --- I see no
evidence whatever that there's any smarts for putting in ellipses.

Oleg, Teodor, is there something I missed here?  Or do we need to change
the documentation?

            regards, tom lane

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