Re: gsoc, oprrest function for text search take 2

Jan Urbański wrote:
> Heikki Linnakangas wrote:

>> Sounds like a plan. In (2), it's even better to detoast the values  
>> lazily. For a typical one-word tsquery, the binary search will only 
>> look at a small portion of the elements.
>
> Hm, how can I do that? Toast is still a bit black magic to me... Do you  
> mean I should stick to having Datums in TextFreq?

Store both the Datum and the text *.  If the latter is NULL, then grab
the datum, detoast and store the result in the text *.  Next time you
need to look at it, it's already detoasted.

I don't know the code so I have no idea if this is applicable.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.