Re: [BUGS] BUG #4887: inclusion operator (@>) on tsqeries behaves not conforming to documentation

Oleg, Teodor, would you look at this?  I see the same behavior in 9.0.

---------------------------------------------------------------------------

Alexey Bashtanov wrote:
> 
> The following bug has been logged online:
> 
> Bug reference:      4887
> Logged by:          Alexey Bashtanov
> Email address:      bashtanov@imap.cc
> PostgreSQL version: 8.3.1, 8.3.7
> Operating system:   Linux 2.6.20 FC5 i686, Linux 2.6.27 FC10 i686
> Description:        inclusion operator (@>) on tsqeries behaves not
> conforming to documentation
> Details: 
> 
> Hello!
> 
> '!a|b'::tsquery <@ 'a|b'::tsquery evaluates to false, but should evalueate
> to true
> (http://www.postgresql.org/docs/8.3/interactive/functions-textsearch.html
> says "The tsquery containment operators consider only the lexemes listed in
> the two queries, ignoring the combining operators.")
> 
> I think negation operator is treated as a lexeme. So please correct the
> behaviour of operators or rewrite this line of docs.
> 
> Thanks,
>  Alexey
> 
> -- 
> Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-bugs

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.comPG East:  http://www.enterprisedb.com/community/nav-pg-east-2010.do + If your life is a hard
drive,Christ can be your backup. +