select aa.v_float  FROM (select * from /test/basic) aa group by aa.v_float
/**
output()
match('aa.v_float',1.1)
match('aa.v_float',1.3)
**/
;

select aa.v_float  FROM (select * from /test/basic) aa group by aa.v_float
/**
output()
match('aa.v_float',1.1)
match('aa.v_float',1.3)
**/
;

select v_float  FROM  /test/basic group by v_float
/**
output()
match('v_float',1.1)
match('v_float',1.3)
**/
;