Re: [SQL] Help with a query for charting

2003-02-02 Thread greg
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 > I'm trying to do a query to count the number of tickets opened on > each day of a month. It'll always be from the 1st to the end of > the month. > ... > But it doesn't give me a zero for the days when no tickets were opened The problem is that S

Re: [SQL] Help with a query for charting

2003-02-02 Thread mallah
you could keep a table with list of all possible days in a month. left join that to the results you get from query below this will return NULL for days where there is no data. NULL could then easily converted to 0 using CASE or COALESCE. regds mallah. > I'm trying to do a query to count the n

[SQL] Help with a query for charting

2003-02-01 Thread Andrew Veitch
I'm trying to do a query to count the number of tickets opened on each day of a month. It'll always be from the 1st to the end of the month. This does it: SELECT TO_CHAR(DATE_TRUNC('day',date_opened),'DD') AS day, COUNT(*) FROM ticket GROUP BY DATE_TRUNC('day', date_opened) WHERE ; But it