Adding Count and Max

I am attempting to query a little Oracle table. I want to get all checks that have a (maximum line number + total discount lines > 0) > 10
In the table there are these fields: discount amount, line number, check number, system date.
So say there are 35 lines on the check. Of these 35 lines, 15 of them have values > 0 in the discount line field. I need to add up the total lines (35) plus the discount lines > 0 (15) = 50.
Can this be done with one query?
This is the query I have now. However, it gives me a result of 47, not of 50. Actually, I'm a bit confused as to why it gives me 47.
select count(disc_ln_am) + max(doc_actg_ln_no) as Total, chk_no, doc_id, curr_sys_dt
from ad_doc_actg
where ad_doc_actg.chk_no = '00000000001'
group by chk_no, doc_id, curr_sys_dt
having (count(disc_ln_am) + max(doc_actg_ln_no)) > 10
I'd greatly appreciate help. Thanks in advance.
Message was edited by:
user526450

Your query works for me.
SQL> select *
2 from ad_doc_actg
3 order by DOC_ACTG_LN_NO;
CHK_NO           DOC_ID CURR_SYS_ DISC_LN_AMT DOC_ACTG_LN_NO
00000000001          42 22-AUG-06        1.23              1
00000000001          42 22-AUG-06                          2
00000000001          42 22-AUG-06        1.23              3
00000000001          42 22-AUG-06                          4
00000000001          42 22-AUG-06        1.23              5
00000000001          42 22-AUG-06                          6
00000000001          42 22-AUG-06        1.23              7
00000000001          42 22-AUG-06                          8
00000000001          42 22-AUG-06        1.23              9
00000000001          42 22-AUG-06                         10
00000000001          42 22-AUG-06        1.23             11
00000000001          42 22-AUG-06                         12
00000000001          42 22-AUG-06        1.23             13
00000000001          42 22-AUG-06                         14
00000000001          42 22-AUG-06        1.23             15
00000000001          42 22-AUG-06                         16
00000000001          42 22-AUG-06        1.23             17
00000000001          42 22-AUG-06                         18
00000000001          42 22-AUG-06        1.23             19
00000000001          42 22-AUG-06                         20
00000000001          42 22-AUG-06        1.23             21
00000000001          42 22-AUG-06                         22
00000000001          42 22-AUG-06        1.23             23
00000000001          42 22-AUG-06                         24
00000000001          42 22-AUG-06        1.23             25
00000000001          42 22-AUG-06                         26
00000000001          42 22-AUG-06        1.23             27
00000000001          42 22-AUG-06                         28
00000000001          42 22-AUG-06        1.23             29
00000000001          42 22-AUG-06                         30
00000000001          42 22-AUG-06                         31
00000000001          42 22-AUG-06                         32
00000000001          42 22-AUG-06                         33
00000000001          42 22-AUG-06                         34
00000000001          42 22-AUG-06                         35
35 rows selected.
SQL> select count(disc_ln_amt) + max(doc_actg_ln_no) as Total, chk_no, doc_id, curr_sys_dt
2 from   ad_doc_actg
3 where ad_doc_actg.chk_no = '00000000001'
4 group by chk_no, doc_id, curr_sys_dt
5 having (count(disc_ln_amt) + max(doc_actg_ln_no)) > 10
6 ;
     TOTAL CHK_NO           DOC_ID CURR_SYS_
        50 00000000001          42 22-AUG-06However, I would use sum instead of count. If disc_ln_amt is ever a 0.00, count() will give you the wrong results.
SQL> select chk_no
2        ,doc_id
3        ,curr_sys_dt
4        ,(disc_count + max_line) total
5 from
6 (
7     select sum(case
8                   when nvl(disc_ln_amt,0) > 0 then 1
9                   else 0
10                end
11               ) disc_count
12           ,max(doc_actg_ln_no) max_line
13           ,chk_no
14           ,doc_id
15           ,curr_sys_dt
16     from   ad_doc_actg
17     where ad_doc_actg.chk_no = '00000000001'
18     group by chk_no
19              ,doc_id
20              ,curr_sys_dt
21 )
22 where disc_count + max_line > 10
23 ;
CHK_NO           DOC_ID CURR_SYS_      TOTAL
00000000001          42 22-AUG-06         50Yes, it's a little more verbose.
Message was edited by:
Eric H

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