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

On Wed, Feb 24, 2010 at 2:11 PM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> Oleg, Teodor, would you look at this?  I see the same behavior in 9.0.

As there has been no movement on this I think we should punt this from:

http://wiki.postgresql.org/wiki/PostgreSQL_9.0_Open_Items

to

http://wiki.postgresql.org/wiki/Todo

...Robert

> Alexey Bashtanov wrote:
>>
>> The following bug has been logged online:
>>
>> Bug reference:      4887
>> Logged by:          Alexey Bashtanov
>> Email address:      bashtanov(at)imap(dot)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
>>
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> --
>  Bruce Momjian  <bruce(at)momjian(dot)us>        http://momjian.us
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