On Thu, May 30, 2013 at 12:49 PM, Sawada Masahiko <sawada.m...@gmail.com>wrote:
> following emails are discussed about partial match of pg_trgm. I hope > will this help. > < > http://www.postgresql.org/message-id/cahgqgwfjshvv2ngme19wdtw9tefw_w7h2ns4e+yysjkb9wd...@mail.gmail.com > > > as you may know, if search string contains multibyte characters > trigram key is converted to CRC of 4 byte and it is used as key. > (but only use upper 3 byte from CRC) > so we can do partial matching if KEEPONLYALNUM is enabled. > Please, read the further discussion on that thread. We can't do partial matching because of CRC independently of KEEPONLYALNUM. ------ With best regards, Alexander Korotkov.