Yves Weißig wrote:
> I can not find "amcostestimate" in hash.h or anywhere, or am I
> missing something?
Search for hashcostestimate here:
http://git.postgresql.org/gitweb?p=postgresql.git;a=blob;f=src/backend/utils/adt/selfuncs.c
To find that, I ran this query:
select * from pg_am;
Tha
That is exactly the point, Kevin, I read the documentation and found out
that "amgettuple" and "amgetbitmap" are optional. I just wondered if
there is more information about this topic?
Additionally, I can not find "amcostestimate" in hash.h or anywhere, or
am I missing something? So "All of them"
Leonardo Francalanci wrote:
>>> another question regarding indexes. Sadly I can't find enough
>>> info in the documentation. Which of the functions are needed in
>>> order for a index to work?
>>
>> All of them.
>
>
> Maybe I completely misunderstood the question, but some functions
> are "opt
> > another question regarding indexes. Sadly I can't find enough info in
> > the documentation. Which of the functions are needed in order for a
> > index to work?
>
> All of them.
Maybe I completely misunderstood the question, but some functions
are "optionals", such as amgetbitmap, right?
=?ISO-8859-15?Q?Yves_Wei=DFig?= writes:
> another question regarding indexes. Sadly I can't find enough info in
> the documentation. Which of the functions are needed in order for a
> index to work?
All of them.
regards, tom lane
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Hi,
another question regarding indexes. Sadly I can't find enough info in
the documentation. Which of the functions are needed in order for a
index to work? I am developing a prototype so it would be great if not
all of the functions have to be implemented. E.g. are amcostestimate or
amoptions nee