Postgresql full text search part of words

Question

Is postresql capable of doing a full text search, based on \'half\' a word? For example I\'m trying to seach for \"tree\", but I tell postgres to search for

Answer 1

select * from test, to_tsquery('tree') as q 
where vectors @@ q OR xxxx LIKE ('%tree%')

':*' is to specify prefix matching.