display null rows in my sql using joins

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SQL

select p.partnerid,p.name,count(*) as accounts,
sum(case when c.amount is not null then c.amount else 0 end) as amount,
sum(case when c.netamt is not null then c.netamt else 0 end) as netamt,
sum(case when c.netamt - c.amount is not null then c.netamt - c.amount else 0 end) as interest,
sum(case when c.installment = 20 then c.amount else 0 end) as Twenty,
sum(case when c.installment = 10 then c.amount else 0 end) as Ten,
sum(case when c.installment = 5 then c.amount else 0 end) as Five,
sum(case when c.installment = 2 then c.amount else 0 end) as Two
from partnerinfo p left outer join customerinfo c on p.partnerid = c.partnerid
where (c.startdate is null OR (c.startdate >= '2011-3-15' and c.startdate <= '2012-12-30'))
and (c.partnerid is null or c.partnerid) and p.manager = 1
group by p.partnerid

With the above query i was able to fetch only null rows / when the whole row does not exist.

When i changed from

SQL

where (c.startdate is null OR (c.startdate >= '2011-3-15'...)

TO

SQL

where (c.startdate is null OR (c.startdate >= '2012-3-15'...)

But i need to fetch the data as null rows even when the columns are present.

Hi for a better understanding please see the images...

http://i46.tinypic.com/155l4cp.jpg[^]

http://i49.tinypic.com/357ki3b.jpg[^]

Please help me i was stuck hear.

[edit]Links converted to a proper link - OriginalGriff[/edit]

Posted 19-Jun-12 7:54am

varaprasadreddy

Updated 20-Jun-12 19:57pm

OriginalGriff

v4

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Mohibur Rashid 19-Jun-12 21:07pm

I tried to understand query, but i don't understand what do you want, will you show the table and show us what would be final result?

Mohibur Rashid 21-Jun-12 0:45am

2011-3-15 should be 2011-03-15

Why you allowed amount to be null? if no value then it should be zero.

why do you want to fetch line with when the startdate == NULL?
c.partnerid is null or c.partnerid does not make sense

varaprasadreddy 21-Jun-12 1:27am

Hi i should get 0(zero) only when the row is null

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OriginalGriff · Answer 1 · 2012-06-20T20:05:00

The WHERE clause affects the whole row - as you have noticed. If you want to fetch the data as zero when you have a out-of-range date, then you need to move the condition from the WHERE clause into each of your individual SUM expressions:

SQL

sum(case when c.amount is not null then c.amount else 0 end) as amount,
...
where (c.startdate is null OR (c.startdate >= '2011-3-15' and c.startdate <= '2012-12-30'))
and (c.partnerid is null or c.partnerid) and p.manager = 1

becomes:

SQL

sum(case when c.amount is not null and not (c.startdate is null OR (c.startdate >= '2011-3-15' and c.startdate <= '2012-12-30')) then c.amount else 0 end) as amount,
...
where (c.partnerid is null or c.partnerid) and p.manager = 1