sql - adding missing dates in mysql data set -


i have mysql query this....

   select cast(created_at date) 'created_date', dayname(cast(created_at date)) 'day', sum(order_type_id=1) 'pickup', sum(order_type_id=2) 'delivery'    orders    created_at >= curdate() - interval 7 day    , created_at < curdate()    , order_status_id != 3    group cast(created_at date);

which returns data below

    date   |      day     | pickup | delivery ----------------------------------------------- 2017-08-08 |    tuesday   |  02    |    01     2017-08-09 |   wednesday  |  01    |    01     2017-08-10 |    thursday  |  01    |    00   2017-08-11 |    friday    |  01    |    01    2017-08-13 |    sunday    |  01    |    00   2017-08-14 |    monday    |  01    |    01

what i'm trying summery of delivery orders , pickup orders past 7 days excluding today.

my prob : if closely observe above, you'll notice dont have output 2017-08-12 (saturday) since there no operations done in same date. idea how these empty dates output have below????

    date   |      day     | pickup | delivery ----------------------------------------------- 2017-08-08 |    tuesday   |  02    |    01     2017-08-09 |   wednesday  |  01    |    01     2017-08-10 |    thursday  |  01    |    00   2017-08-11 |    friday    |  01    |    01    2017-08-12 |   saturday   |  00    |    00   2017-08-13 |    sunday    |  01    |    00   2017-08-14 |    monday    |  01    |    01

if have data on days (just not status want on date), can use conditional aggregation:

   select cast(created_at date) created_date,           dayname(cast(created_at date)) day,           sum(order_type_id = 1 , order_status_id <> 3) pickup,           sum(order_type_id = 2 , order_status_id <> 3) delivery    orders    created_at >= curdate() - interval 7 day , created_at < curdate()    group cast(created_at date);

if not case, need table 1 row per date want. simplest method calendar table.


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