text: create or replace function ts2_to_tsvector ( varchar, varchar ) returns varchar as '
  declare
  ts2_cfg alias for $1;
  ts2_txt alias for $2;
  ts2_result varchar;
  begin
  
  perform set_curcfg(ts2_cfg);
  select to_tsvector(ts2_cfg,ts2_txt) into ts2_result;
  return ts2_result;
  end;' language 'plpgsql';
  
  create or replace function ts2_to_tsquery ( varchar, varchar ) returns tsquery as '
  declare
  ts2_cfg alias for $1;
  ts2_txt alias for $2;
  ts2_result tsquery;
  begin
  perform set_curcfg(ts2_cfg);
  select 1 into ts2_result;
  select to_tsquery(ts2_cfg,ts2_txt) into ts2_result;
  return ts2_result;
  end;' language 'plpgsql';
  
  