tsearch2::build_query_tcl       Convert conjunctions to query characters for tsearch2 and => & not => ! or => | space => | (or) 
tsearch2::index       Add or update an object in the full text index. 
tsearch2::summary       Highlights matching terms. 
tsearch2::unindex       Remove item from FTS index 
tsearch2::update_index       update full text index DEPRECATED: modern SQL supports upsert idioms 

Package Documentation