Łukasz Dejneka <l.dejneka@gmail.com> writes:
> What I want to do is to use HStore data type (namely the HStore keys) in
> TSearch. I don't want use TSVector and the original ts_match_vq function,
> because I want to be able to control exact values that are passed to the
> search and not use their lexemes.
If that's what you're after, why don't you set up a text search
configuration in which the parser/dictionary are trivial and do no
transformations of the strings (beyond perhaps splitting at whitespace)?
Seems a lot easier than constructing your own datatype and all the
required support functions.
regards, tom lane