Calculated value from multiple rows in selection set

Consider this query
SELECT WELL.UWI
FROM geo_formation A, WELL
WHERE ( (select min(top_depth)
from geo_formation B
where B.uwi = A.uwi
and form_id = 'WDBD' )
(select min(top_depth)
from geo_formation C
where C.uwi = A.uwi
and form_id = 'VKNS' )
) > 10
AND A.uwi = WELL.UWI
AND A.FORM_ID IN ('WDBD','VKNS')
ORDER BY WELL.UWI, A.FORM_ID
The question asked by the query is
Show me all the entities (entities are identified by WELL.UWI)
where the distance between the geological formations (identified by WDBD and VKNS)
is greater than 10
The distance in question of course is calculated in the
(select min(top_depth)
from geo_formation B
where B.uwi = A.uwi
and form_id = 'WDBD' )
(select min(top_depth)
from geo_formation C
where C.uwi = A.uwi
and form_id = 'VKNS' )
portion of the where clause.
** My question:
Is there any way to get this calculated value to be part of the selection list
ie.
SELECT WELL.UWI, 'the calculated value in question'
FROM geo_formation A, WELL ...

Thanks Barbara; once again your solution to one of my problems works like a charm.
On top of that, I learned something important; I did not know that one can essentially achieve the same results as creating a temporary table by including the appropriate (select ...) in the from clause.
Thanks again.
<BLOCKQUOTE><font size="1" face="Verdana, Arial, Helvetica">quote:</font><HR>Originally posted by Barbara Boehmer ([email protected]):
SELECT a.uwi, (bmin - cmin) distance
FROM well a,
(SELECT uwi, MIN (top_depth) bmin
FROM geo_formation
WHERE form_id = 'WDBD'
GROUP BY uwi) b,
(SELECT uwi, MIN (top_depth) cmin
FROM geo_formation
WHERE form_id = 'VKNS'
GROUP BY uwi) c
WHERE b.uwi = a.uwi
AND c.uwi = a.uwi
AND bmin - cmin > 10
ORDER BY a.uwi
/<HR></BLOCKQUOTE>
null

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Message was edited by:
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372,17
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372,17
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74,98
15249,48
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372,17
298,66
73,52
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372,17
300,13
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14653,62
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372,17
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70,57
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307,58
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372,17
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61,56
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372,17
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60,04
12210,87
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372,17
313,67
58,5
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372,17
315,21
56,96
11585,06
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372,17
316,76
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372,17
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53,85
10953,09
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372,17
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372,17
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10314,88
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372,17
323,04
49,13
9993,42
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372,17
324,63
47,55
9670,38
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372,17
326,22
45,95
9345,75
46
372,17
327,83
44,35
9019,53
47
372,17
329,44
42,73
8691,7
48
372,17
331,06
41,11
8362,26
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Regards
Etbin
with
rec_proc(nt,i,ra,p,ir,z,t) as
(select nt,i,ra - p,p,ir,round((ra - p) * 0.01 * ir / 12,2),p - round((ra - p) * 0.01 * ir / 12,2)
   from (select 48 nt,22597 ra,372.17 p,5.9 ir,0 z,0 t,1 i
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union all
select nt,i + 1,ra - t,p,ir,round((ra - t) * 0.01 * ir / 12,2),p - round((ra - t) * 0.01 * ir / 12,2)
   from rec_proc
where i < nt
select * from rec_proc
try to adjust initial values and rounding please
NT
I
RA
P
IR
Z
T
48
1
22224.83
372.17
5.9
109.27
262.9
48
2
21961.93
372.17
5.9
107.98
264.19
48
3
21697.74
372.17
5.9
106.68
265.49
48
4
21432.25
372.17
5.9
105.38
266.79
48
5
21165.46
372.17
5.9
104.06
268.11
48
6
20897.35
372.17
5.9
102.75
269.42
48
7
20627.93
372.17
5.9
101.42
270.75
48
8
20357.18
372.17
5.9
100.09
272.08
48
9
20085.1
372.17
5.9
98.75
273.42
48
10
19811.68
372.17
5.9
97.41
274.76
48
11
19536.92
372.17
5.9
96.06
276.11
48
12
19260.81
372.17
5.9
94.7
277.47
48
13
18983.34
372.17
5.9
93.33
278.84
48
14
18704.5
372.17
5.9
91.96
280.21
48
15
18424.29
372.17
5.9
90.59
281.58
48
16
18142.71
372.17
5.9
89.2
282.97
48
17
17859.74
372.17
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87.81
284.36
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5.9
83.6
288.57
48
21
16713.89
372.17
5.9
82.18
289.99
48
22
16423.9
372.17
5.9
80.75
291.42
48
23
16132.48
372.17
5.9
79.32
292.85
48
24
15839.63
372.17
5.9
77.88
294.29
48
25
15545.34
372.17
5.9
76.43
295.74
48
26
15249.6
372.17
5.9
74.98
297.19
48
27
14952.41
372.17
5.9
73.52
298.65
48
28
14653.76
372.17
5.9
72.05
300.12
48
29
14353.64
372.17
5.9
70.57
301.6
48
30

Expanding table: Calculating difference to value from previous row

Hi there,
I am a complete newbie to LiveCycle Designer (ES2) and have created below document with an expanding table.
Shared Files - Acrobat.com
My aim is to make the form user friendly by adding a calculation in the field "Twist" which calculates the difference from the current row to the previous row.
I have no idea about Java Script, I am afraid, and also don't know if this is possible at all so it's probably a bad idea after all.
The reason for setting it up as an expanding table is so that the form can be used for all 32 instances the form would be used for (they would all require different amount of rows altogether).
The calculation would start in row 2 (Checklist.Table1), take the twist value entered in row 2 and calculate the difference to the twist value entered in row 1.
Then in row 3, it would calculate the difference between twist value in row 3 to row 2 etc.
So subtract value of field in rown with value in rown-1 or something in this direction.
Is there anyone at all who could help me with this at all?
I'd be very grateful for any advice you could give me.
Thanks a lot!
Mathilda

Not sure what happened with the formatting there, try this;
if (Row1.index > 0 && !Row1.resolveNode("NumericField4[0]").isNull)
    var prevTwist = Table1.resolveNode("Row1[" + (Row1.index - 1) + "].NumericField4[0]").rawValue
    var result = Math.abs(3000 / (Row1.resolveNode("NumericField4[0]").rawValue - prevTwist));
   this.rawValue = result;
else
    this.rawValue = "";

How to return a single datetime from multiple rows of MAX(value) in DAX

Hi
I have a Results table with ResultTime, Balance, Equity which is updated with a new row every 5 minutes. I've used SUMX to find opening and closing balances and it has worked so far.
Res_OpeningBalance:=SUMX(TOPN(1,Results,Results[ResultTime],1),[Balance])
Res_ClosingBalance:=SUMX(TOPN(1,Results,Results[ResultTime],0),[Balance])
But when I tried it with dates, the whole thing fell apart.
Res_MaxBalance_Date:=SUMX(TOPN(1,Results,Results[Balance],0),[ResultTime])
Since the highest Balance is likely to be represented through many rows due to it lasting more than 5 minutes, ResultTime (which is unique to each row) is summed up and returns messed up dates well into the future. How to return only one date (first or last
datetime) from the rows where Balance is at max?
I tried a TOPN of TOPN, but Excel was not amused.
=SUMX(TOPN(1,Results,Results[Balance],0),TOPN(1,Results,Results[ResultTime],0))
TIA!
Re
Dennis

I still don't understand RANKX, but I figured it out anyway. I get the correct data by using:
Res_MaxBalance:=MAX(Results[Balance])
Res_MaxBalanceDate:=CALCULATE(MAX(Results[ResultTime]),FILTER(Results, Results[Balance]=MAX(Results[Balance])))
Res_MinBalance:=MIN(Results[Balance])
Res_MinBalanceDate:=CALCULATE(MAX(Results[ResultTime]),FILTER(Results, Results[Balance]=MIN(Results[Balance])))
Res_MaxEquity:=MAX(Results[Equity])
Res_MaxEquityDate:=CALCULATE(MAX(Results[ResultTime]),FILTER(Results, Results[Equity]=MAX(Results[Equity])))
Res_MinEquity:=MIN(Results[Equity])
Res_MinEquityDate:=CALCULATE(MAX(Results[ResultTime]),FILTER(Results, Results[Equity]=MIN(Results[Equity])))
Re
D

Custom row-fetch and how to get column values from specific row of report

Hi -- I have a case where a table's primary key has more than 3 columns. My report on the
table has links that send the user to a single-row DML form, but of course the automatic
fetch won't work because 1) I can't set more than 3 item values in the link and 2) the
auto fetch only handles 2 PK columns.
1)
I have written a custom fetch (not sure it's the most elegant, see second question) that is working
for 3 or few PK columns (it references the 1-3 item values set in the link), but when there are
more than 3, I don't know how to get the remaining PK column values for the specific row that was
selected in the report. How can I access that row's report column values? I'll be doing it from the
form page, not the report page. (I think... unless you have another suggestion.)
2)
My custom fetch... I just worked something out on my own, having no idea how this is typically
done. For each dependent item (database column) in the form, I have a source of PL/SQL
function that queries the table for the column in question, using the primary key values. It works
beautifully, though is just a touch slow on my prototype table, which has 21 columns. Is there
a way to manually construct the fetch statement once for the whole form, and have APEX be smart
about what items get what
return values, so that I don't have to write PL/SQL for every item? Because my query data sources
are sometimes in remote databases, I have to write manual fetch and dml anyway. Just would like
to streamline the process.
Thanks,
Carol

HI Andy -- Well, I'd love it if this worked, but I'm unsure how to implement it.
It seems I can't put this process in the results page (the page w/ the link, that has multiple report rows), because the link for the row will completely bypass any after-submit processes, won't it? I've tried this in other conditions; I thought the link went directly to the linked-to page.
And, from the test of your suggestion that I've tried, it's not working in the form that allows a single row edit. I tried putting this manually-created fetch into a before header process, and it seems to do nothing (even with a hard-coded PK value, just to test it out). In addition, I'm not sure how, from this page, the process could identify the correct PK values from the report page, unless it can know something about the row that was selected by clicking on the link. It could work if all the PK columns in my edit form could be set by the report link, but sometimes I have up to 5 pk columns.
Maybe part of the problem is something to do with the source type I have for each of the form items. With my first manual fetch process, they were all pl/sql functions. Not sure what would be appropriate if I can somehow do this with a single (page level?) process.
Maybe I'm making this too hard?
Thanks,
Carol

Calculated value from multiple rows in selection set

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