On Sat, Jul 27, 2013 at 10:04 AM, Janek Sendrowski <janek12@web.de> wrote:
> If I'm searching for a sentence like "The tiger is the largest cat species" for example.
> I can only find the sentences, which include the words "tiger, largest, cat, species", but I also like to have the
sentenceswith only three or even two of these words.
You can use & (AND), | (OR), and ! (NOT) operators in tsquery, so you
can achieve what you want just like this:
[local]:5432 grayhemp@grayhemp=# select to_tsquery('tiger | largest |
cat | species') @@ to_tsvector('The tiger is the largest cat');
?column?
----------
t
Or may be I understand something wrong again?
>
> Janek
>
>
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Kind regards,
Sergey Konoplev
PostgreSQL Consultant and DBA
Profile: http://www.linkedin.com/in/grayhemp
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