SELECT 1+1;     # This comment continues to the end of line
SELECT 1+1;     -- This comment continues to the end of line
SELECT 1 /* this is an in-line comment */ + 1;
SELECT 1+
/*
this is a
multiple-line comment
*/
1;

SET @t1=1, @t2=2, @t3:=4;

SELECT @t1, @t2, @t3, @t4 := @t1+@t2+@t3;

?
?<int>
?<char[0]>
:f1<char[101]>
-- :f1<char[101]>
