[HACKERS] added on for the previous mail "what is the hash function ' s main idea in tsearc h2?"

2005-10-20 Thread
the tsvectors turned to be the signatures  and the signature is composed of binary code"0 OR 1",  for such a long " 0010101101..." , how does the user input query word(i know it is also convert to signatures) know itself is the word which is in the " 0010101101..."     HELP

[HACKERS] re:tsearch2 problem

2005-10-17 Thread
Thanks VERY VERY much for Teodor Sigaev help,and my next problem is which  is more suitable   for index chinese words, TSearch2 OR Lucene? My mates said to me that Lucene is more effifent because of its way of "Inverse Order OF Idexing",and "The GiST Tree is well for larting lan but doesn't for