|
Sometimes it just might be easier to write the program with I/O.
Sometimes it just might be easier to write the program with I/O.
DoW not %EoF(PRMAST);
Read PRMAST;
If %EoF(PRMAST);
Leave;
EndIf;
Chain (empno) DEDBAL;
If not %Found();
// Clear fields;
employee_contributions = 0;
employer_contributions = 0;
EndIf;
Wages = 0;
SetLL (empno) INCBAL;
Dow not %EoF(INCBAL);
Read INCBAL;
If %EoF();
Leave;
EndIf;
// sum wages
Wages += income_amount;
EndDo;
// Print employee data
EndDo;
--
Michael Schutte
Admin Professional
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"Dennis Lovelady"
<iseries@lovelady
.com> To
Sent by: "'Midrange Systems Technical
midrange-l-bounce Discussion'"
s@xxxxxxxxxxxx <midrange-l@xxxxxxxxxxxx>
cc
06/10/2010 06:30 Subject
PM RE: SQL Join - all rows from any
table for employee
Please respond to
Midrange Systems
Technical
Discussion
<midrange-l@midra
nge.com>
Yeah, I was pretty loose about the specifics because I don't want to give
the impression that I want someone else to write this for me. I don't.
But
here we go:
DEDBAL contains quarterly deduction amounts (employer and employee
contribution), the year, the quarter, employee number and other stuff.
INCBAL contains quarterly income amounts, Federal wage base, the year, the
quarter, employee and other stuff.
I need employee name, year, quarter, max(wage base), sum(income amounts),
sum(employee contribution), sum(employer contribution) and some other
stuff.
So from these three tables, I need multiple columns of each, put together
onto a single row by employee.
UNION might work, but I don't think UNION DISTINCT (by itself) will do what
I want. I could do a left outer and an exception join, but then the
summing
and other details would get complex and would need to be mostly (but not
completely) duplicated. Messy.
I liked the look of FULL JOIN, but apparently that's only available some
after V5R3, which is where we are.
Likely I'll just write a program, but I wondered if there might be a more
standard solution.
Sorry I wasn't completely upfront before. I just don't want to be one of
those "here's my task - do it for me" people.
Dennis Lovelady
http://www.linkedin.com/in/dennislovelady
--
"A cynic is a man who knows the price of everything and the value of
nothing."
-- Oscar Wilde
Do you need info from DEDBAL and INCBAL? If not, you could use EXISTS.
SELECT * <-- desired fields from PRMAST go here
FROM PRMAST
WHERE EXISTS (SELECT 1 FROM DEDBAL WHERE DEDEMP=PREMP)
OR EXISTS (SELECT 1 FROM INCBAL WHERE INCEMP=PREMP)
If you need to pull data from DEDBAL and INCBAL, you could use a LEFT
OUTER
join
and then exclude those cases where an employee has no records in DEDEMP
and
INCEMP.
Try this:
SELECT * <-- desired fields from PRMAST, DEDBAL, and INCBAL go here
FROM PRMAST
LEFT OUTER JOIN DEDBAL ON DEDEMP=PREMP
LEFT OUTER JOIN INCBAL ON INCEMP=PREMP
WHERE DEDEMP IS NOT NULL OR INCEMP IS NOT NULL
In this case, if an employee has records in DEDBAL but not in INCBAL,
any
fields in INCBAL would be null and vice versa.
Have fun!
Richard Casey
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Dennis Lovelady
Sent: Thursday, June 10, 2010 3:38 PM
To: 'Midrange Systems Technical Discussion'
Subject: SQL Join - all rows from any table for employee
We have three tables: DEDBAL, INCBAL, and PRMAST.
Each of these contains an employee number (DEDEMP, INCEMP, PREMP). We
want
to produce output where an employee is represented in either DEDBAL and
INCBAL or both. (For the sake of argument, we can assume that PRMAST
is
present for each employee).
I've tried various types of joins (LEFT OUTER, FULL, et cetera) and
have
pored through the archives and GOOGLE and come up empty on a means of
doing
this exactly right. (I'm convinced this is a common issue; so my issue
is
probably my choice of search words - usually resulting in too many
hits).
Would some kind soul mind directing me to guidelines on how to write
the
JOIN for this challenge?
Thanks!
Dennis E. Lovelady
AIM/Skype: delovelady MSN: fastcounter@xxxxxxxxxxxx
<http://www.linkedin.com/in/dennislovelady>
www.linkedin.com/in/dennislovelady --
I am at one with my duality.
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