HiRDB hasn't equivalents for LEAD function. SQLWays leaves it as is and adds message /* SQLWays: Could not convert 'LEAD' */.

Oracle:

SELECT LEAD(col1, 1) OVER (ORDER BY col1) FROM t; 

HiRDB:

SELECT LEAD(col1, 1) OVER (ORDER BY col1) FROM t;
/* SQLWays: Could not convert 'LEAD' */