How to show all date from a certain Month?

Question

I have database table in postgreSQL name as "time" like:

|  Name  |  | StartDate |  | EndDate   |
----------------------------------------
| Oct-18 |  | 2018-10-01|  | 2018-10-31|
| Nov-18 |  | 2018-11-01|  | 2018-11-30|
| Dec-18 |  | 2018-12-01|  | 2018-12-31| 

I want the result for each month like

|    Date   |  |  Name  |
-------------------------
| 2018-10-01|  | Oct-18 |
| 2018-10-02|  | Oct-18 |
| 2018-10-03|  | Oct-18 |
| 2018-10-04|  | Oct-18 |
| 2018-10-05|  | Oct-18 |
| 2018-10-06|  | Oct-18 | 
.....
| 2018-10-31|  | Oct-18 |

Answer 1

I think generate_series() does what you want:

select generate_series(t.start_date, t.end_date, interval '1 day') as date, name
from t;