Github user myui commented on the issue:
https://github.com/apache/incubator-hivemall/pull/135
```sql
select generate_series(2,4);
value
2
3
4
select generate_series(5,1,-2);
value
5
3
1
select generate_series(4,3);
(no return)
select date_add(current_date(),value) as `date`,value from (select
generate_series(1,3)) t;
date value
2018-04-21 1
2018-04-22 2
2018-04-23 3
WITH input as (
select 1 as c1, 10 as c2, 3 as step
UNION ALL
select 10, 2, -3
)
select generate_series(c1, c2, step) as series from input;
series
1
4
7
10
10
7
4
```
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