On Wed, Apr 07, 2010 at 10:30:35AM +0200, ?ukasz Dejneka wrote: > Hi all > > I need a bit assistance. In ../src/backend/utils/adt/tsginidx.c there > is a function called gin_extract_tsquery. <snip> > The above function call is incompleate (only 2 params instead of 5) > but it's not relevant at this point. The issue is that no matter what > I pass (Datum, pointer to Datum, pointer to char, pointer to int32, PG > macros to variables and pointers, etc...) as a 2nd parameter I get an > error when I call my wrapper function from Postgres. It goes well > right until the line before "step: 04" notice in gin_extract_tsquery. > Namely the "*nentries = 0;" line. This may be silly, but did you declare your function to be a V1 function? > Also a related question: Is it possible to launch a function like > gin_extract_query directly from Postgres? I'ts decralation is: > > CREATE OR REPLACE FUNCTION gin_extract_tsquery(tsquery, internal, > smallint, internal, internal) > RETURNS internal AS .... > > I've tried to find something about "internal" parameters in functions > in manual but failed. If it's possible, what would be a working > example? "internal" usually means a "pointer to something you can't make from SQL". So you might be able to declare the function, but in no way could you actually call it successfully. Have a nice day, -- Martijn van Oosterhout <kleptog@xxxxxxxxx> http://svana.org/kleptog/ > Patriotism is when love of your own people comes first; nationalism, > when hate for people other than your own comes first. > - Charles de Gaulle
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