> I think Teodor's solution is wrong as it stands, because if the subquery
> finds matches for mapcfg and maptokentype, but none of those rows
> produce a non-null ts_lexize result, it will instead emit one row with a
> null result, which is not what should happen. But concatenation with NULL will have result NULL, so "Lexized token"
column
will have NULL as supposed.
--
Teodor Sigaev E-mail: teodor@sigaev.ru
WWW: http://www.sigaev.ru/