Hi all,
The first version of prefix code is now released at pgfoundry, last bug
squashed by Jordan, who did his own prefix gist opclass implementation before
I did, but didn't publish at this time. The plan is to integrate is work into
the prefix solution, as his lookups are faster than mine,
I guess I'll keep talking to myself, but...
Le mercredi 02 avril 2008, Dimitri Fontaine a écrit :
My previous tests were only done with REL8_2_STABLE cvs branch, I just
redone some tests with REL8_3_STABLE and got no error. The index is still
buggy, in the sense some requests returns different
Dimitri Fontaine [EMAIL PROTECTED] writes:
It turned around the error was related to the definition of my gpr_penalty()
function, which I wanted to expose as the GiST internal and a SQL callable
one too (for debugging and tests purpose). I forgot to define the internal
one in the prefix.c
Le jeudi 10 avril 2008, Gregory Stark a écrit :
I'm getting interested now. How was __pr_penalty defined? What was the
declaration you were missing in prefix.c?
In fact __pr_penalty is the internal code called from both the SQL callable
functions (and some other calling sites). The problem was
Le mardi 25 mars 2008, Dimitri Fontaine a écrit :
postgres=# create index idx_prefix on ranges using gist(prefix
gist_prefix_range_ops);
NOTICE: gpr_picksplit(): entryvec-n= 234 maxoff= 232 l= 176 r= 56 l+r=
232 unionL='01[0-7]' unionR='01[4-7]'
NOTICE: gpr_picksplit():
Hi,
I'm trying to code a GiST opclass to index prefix searches (select ... from t
where t.prefix @ query), now using a prefix_range datatype. This datatype is
a varlena one, and storing it to disk and indexing it with BTrees work ok,
but I'm failing to have my GiST opclass working, here's the
Hello
Not so familiar with all this math :) ,but here's my solution,which I
must admit keep things going at the moment:
db= \d prefix
Table public.prefix
Column | Type | Modifiers
Le Tuesday 25 March 2008 17:57:11 Dragan Zubac, vous avez écrit :
and we're using a procedure to match prefices (longest prefix
match),with simething like:
while tmp_length = char_length(d_number) loop
-- take the number and try to find it in prefix table
-- if not found,decrease it by
