Re: No documentation for filtering dictionary feature? - Mailing list pgsql-hackers

From Tom Lane
Subject Re: No documentation for filtering dictionary feature?
Date
Msg-id 24808.1282768466@sss.pgh.pa.us
Whole thread Raw
In response to Re: No documentation for filtering dictionary feature?  (Oleg Bartunov <oleg@sai.msu.su>)
List pgsql-hackers
Oleg Bartunov <oleg@sai.msu.su> writes:
> On Wed, 25 Aug 2010, Tom Lane wrote:
>> No --- that's documentation for a specific contrib module, not
>> documentation about the feature in general.  Currently the general
>> description of dictionaries says that it's impossible for a dictionary
>> to modify the input lexeme.  Clearly that needs some adjustment,
>> but I'm not sure what, because the feature is not explained anywhere ;-)

> Well, http://www.pgcon.org/2009/schedule/attachments/92_2009.pdf contains 
> description of Dictionary API and new TSLexeme->flags: TSL_FILTER
> If dictionary returns only one lexeme with TSL_FILTER flag, then that 
> lexeme will be used as an input for the subsequent dictionaries in the chain.

OK.  I'll see what can be done with the docs.
        regards, tom lane


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