List list => Contents:
ID Counter
1 34
5 34
3 55
2 45
4 33
3 123
1 4
5 12
5 133
2 33
I want to group by Id. And I want to pick the big one out of every group and throw it in a new list of the same type.
This is the last version of the list:
ID Counter
1 34
2 45
3 123
4 33
5 133
Use Group like this:
var groupedData = from item in list
orderby item.id
group item by item.id into idGroup
select new { Id = idGroup.Key, MaxCounter = idGroup.Max(i => i.counter) };
Related
I have this table:
Year
Month
Agency
Value
2019
9
1
233
2019
9
4
132
2019
8
3
342
2020
3
2
321
2020
3
4
34
2020
5
2
56
2020
5
4
221
2020
5
1
117
2018
12
2
112
2018
12
2
411
2020
4
3
241
2020
4
2
155
I'd like to set a new measure/column where last month from last year is 1, and 0 in another cases:
Year
Month
Agency
Value
Filter
2019
9
1
233
0
2019
9
4
132
0
2019
8
3
342
0
2020
3
2
321
0
2020
3
4
34
0
2020
5
2
56
1
2020
5
4
221
1
2020
5
1
117
1
2018
12
2
112
0
2018
12
2
411
0
2020
4
3
241
0
2020
4
2
155
0
I've been able to "copy" a new table with values from Month=5 and Year=2020 ("the lastest from the lastest"):
TableData - Last Charge =
var table = FILTER(
TableData,
AND(
MAX('TableData '[Year])='TableData '[Year],
MAX('TableData '[Month])='TableData '[Month]
)
)
return SUMMARIZE(table , TableData [Year], TableData [Month], TableData [Agency], TableData [Value])
However, my intention is don't create new tables and use measures/columns tu use it like FILTER when I create a graphic.
Thanks a lot, and sorry for my poor english.
I solved it with this measure:
Measure =
VAR a =
MAX ( 'Table'[Year] )
VAR b =
MAX ( 'Table'[Months] )
VAR c =
MAXX ( ALL ( 'Table' ), [Year] )
VAR d =
MAXX ( FILTER ( ALL ( 'Table' ), [Year] = c ), [Months] )
RETURN
IF ( a * 100 + b = c * 100 + d, 1, 0 )
I have a problem trying to group some records and trying to count the number of records returned by a query is adding an example:
07 COMERCIO 92
15 SERVICIOS OTROS 41
01 AGRICULTURA, GANADERIA Y SILVICULTURA 141
04 INDUSTRIA MANUFACTURERA 28
10 BANCA Y FINANZAS 5
12 ADMINISTRACION PUBLICA 16
03 MINERIA 3
16 HOGAR 2
08 HOTELES Y RESTAURANTES 37
11 EMPRESARIAL 21
14 SOCIAL Y SALUD 4
06 CONSTRUCCIÓN 3
09 TRANSPORTE 30
13 EDUCACION 10
This is query:
SELECT
AGRUP.VC_CODDET AS CHR_SECECO,
AGRUP.VC_NOMDET AS VC_SECECO,
0 AS INT_NROPRESTAMO,
COUNT(*) INTO_BENEFICIARIOS,
0 AS DEC_SALCON
FROM TB_JSI_PRESTAMO_DETALLE PREDET
INNER JOIN TB_JSI_PRESTAMO PRE ON
PRE.INT_IDPRESTAMO=PREDET.INT_IDPRESTAMO
INNER JOIN TB_JSI_BENEFICIARIO_IFI BENIFI ON
BENIFI.INT_IDBENEIFI=PRE.INT_IDBENEIFI
INNER JOIN TB_JSI_OPERACION OPE ON PRE.INT_IDOPE = OPE.INT_IDOPE AND
TRUNC(TO_DATE(OPE.DT_FECVEN))>TRUNC(TO_DATE('30/09/2018', 'DD/MM/YY'))
INNER JOIN TB_JSI_CIIU CIIU ON PRE.INT_IDACT = CIIU.INT_IDACT AND
PRE.INT_IDSEC=CIIU.INT_IDCLAS
INNER JOIN TB_JSI_TABLA_DET SECECO ON SECECO.INT_IDDET=CIIU.INT_IDCLAS
INNER JOIN TB_JSI_AGRUPA_SECTOR AGRSEC ON SECECO.INT_IDDET =
AGRSEC.INT_IDSEC
INNER JOIN TB_JSI_TABLA_DET AGRUP ON AGRSEC.INT_IDAGRU = AGRUP.INT_IDDET
INNER JOIN TB_JSI_TABLA_DET MON ON OPE.INT_IDMON = MON.INT_IDDET
INNER JOIN TB_JSI_IFI IFI ON OPE.INT_IDIFI = IFI.INT_IDIFI
WHERE TRUNC(PREDET.DTE_FECPRO) = (
SELECT
TRUNC(DTE_FECPRO)
FROM (SELECT
DTE_FECPRO
FROM TB_JSI_PRESTAMO_DETALLE
WHERE DTE_FECPRO<=TO_DATE('30/09/2018','DD/MM/YY')
AND DEC_SALDOL>0
ORDER BY DTE_FECPRO DESC)
WHERE ROWNUM = 1
)
AND (NULL IS NULL OR OPE.INT_IDTIPPRO =2)
AND (NULL IS NULL OR OPE.INT_IDMON = 364)
AND (NULL IS NULL OR OPE.INT_IDIFI=72)
GROUP BY AGRUP.VC_CODDET, AGRUP.VC_NOMDET
and should return this result
07 COMERCIO 92
15 SERVICIOS OTROS 41
01 AGRICULTURA, GANADERIA Y SILVICULTURA 141
04 INDUSTRIA MANUFACTURERA 28
10 BANCA Y FINANZAS 4
12 ADMINISTRACION PUBLICA 16
03 MINERIA 3
16 HOGAR 2
08 HOTELES Y RESTAURANTES 37
11 EMPRESARIAL 21
14 SOCIAL Y SALUD 4
06 CONSTRUCCIÓN 3
09 TRANSPORTE 30
13 EDUCACION 10
since I have these records and when counting I should return 4 and not 5
269516 10 BANCA Y FINANZAS 1
269558 10 BANCA Y FINANZAS 1
269592 10 BANCA Y FINANZAS 2
269611 10 BANCA Y FINANZAS 1
#Roller, I have analyzed the result and it is now clear that one of the tables used in the query has two records with the matching condition and that is why it is returning 5 and not 4.
You just need to identify the table and if you are not able to, then use the following trick.
First of all, identify the table, basis of which you are saying that there must be 4 rows and then use that table's PK in the count with distinct as follows:
COUNT(DISTINCT MY_PK)
I need to fetch the sum between bal and res columns for each different account (acc) using the max(timestamp), look at this:
ID ACC BAL RES TIMESTAMP
--------------------------
1 100 70 0 1430238709
2 101 4 0 1430238710
3 102 0 0 1430238720
4 103 3 1 1430238721
5 100 22 1 1430238731
6 101 89 0 1430238732
7 102 101 1 1430238742
8 103 105 1 1430238753
9 100 106 0 1430238763
10 101 100 1 1430238774
11 102 1 1 1430238784
12 103 65 0 1430238795
What I need is for MAX(timestamp) <= 1430238763, the sum: bal + res grouped by acc like this:
ACC TOT
-------
100 106
101 89
102 102
103 106
I know how to do it using subqueries, but I would like to try Analytics.
Regards
How about:
Select * from (
Select t.*, max(TIMESTAMP) over (partition by id) mx
from tab t
)
where mx=TIMESTAMP;
hth
your query is not solve without sub query.
select acc,sum(bal + res) from table_name where timestamp in
(select acc,max(timestamp) from table_Name group by acc having hax(timestamp)<=1430238763)
Regards.
i dont understand linq properly. i dont know why.
i have three tables.
1)TillTable
tillId, tillName
1 w1
2 w2
3 w3
4 w4
2)TillDepartment
tillDeptId, tillId, deptId, isPart
1 1 5 1
2 1 7 0
3 1 8 0
4 1 9 0
5 2 5 0
6 2 7 0
7 2 8 0
8 2 9 0
9 3 5 0
10 3 7 1
11 3 8 0
12 3 9 0
13 4 5 0
14 4 7 0
15 4 9 0 so on....
3) departmentTable
deptId, deptName
5 Science
7 Commerce
8 history
9 English so on....
now using linq or lambda exp i want to display following result,
tillId, tillName, deptName
1 w1 science
2 w2 no dept
3 w3 commerce
4 w4 no dept so on...
i hope for linq master its damn easy task....
help me to get it resolved....
if isPart column is 1 then in result set deptName should be displayed else 'no dept' ....
associative table has multiple entries for tillId.....
its requirement so strictly follow this scenario only.....
i hope its clr ......
Try this:-
var result = (from tt in db.tillTables
join td in db.tillDepts
on tt.tillId equals td.tillId
join dt in db.departmentTable
on td.deptid equals dt.deptId
select new
{
tillId = tt.tillId,
tillName = tt.tillName,
deptName = td.isPart == 1 ? dt.deptName : null
}).GroupBy(x => x.tillId)
.Select(x =>
{
var orderedDeptRecord = x.OrderByDescending(z => z.deptName).FirstOrDefault();
return new
{
tillId = x.Key,
tillName = orderedDeptRecord.tillName,
deptName = orderedDeptRecord.deptName
};
});
Outer join to single record,then, the foreign key to the deptName is the select clause with ternary operator (gets translated to "case")
from t in TillTable
join tds in TillDepartment on new { t.tillId,isPart=1}
equals new { td.tillId, isPart } into tdOuter
from td in tdOuter.DefaultIfEmpty().Take(1)
select new { t.tillId, t.tillName,
deptName=((td==null)? "no dept" :
(from dt in departmentTable
where dt.deptId == td.deptId
select deptName ) ) }
I have 2 DataTables that look like this:
DataTable 1:
cheie_primara cheie_secundara judet localitate
1 11 A
2 22 B
3 33 C
4 44 D
5 55 A
6 66 B
7 77 C
8 88 D
9 99 A
DataTable 2:
ID_CP BAN JUDET LOCALITATE ADRESA
1 11 A aa random
2 22 B ss random
3 33 C ee random
4 44 D xx random
5 55 A rr random
6 66 B aa random
7 77 C ss random
8 88 D ee random
9 99 A xx random
and I want to update DataTable 1 with the field["LOCALITATE"] using the maching key DataTable1["cheie_primara"] and DataTable2["ID_CP"].
Like this:
cheie_primara cheie_secundara judet localitate
1 11 A aa
2 22 B ss
3 33 C ee
4 44 D xx
5 55 A rr
6 66 B aa
7 77 C ss
8 88 D ee
9 99 A xx
Is there a LINQ methode to update DataTable1 ?
Thanks!
This is working:
DataTable1.AsEnumerable()
.Join( DataTable2.AsEnumerable(),
dt1_Row => dt1_Row.ItemArray[0],
dt2_Row => dt2_Row.ItemArray[0],
(dt1_Row, dt2_Row) => new { dt1_Row, dt2_Row })
.ToList()
.ForEach(o =>
o.dt1_Row.SetField(3, o.dt2_Row.ItemArray[3]));
If you want to use Linq, here's how I'd go about it;
var a = (from d1 in DataTable1
join d2 in DataTable2 on d1.cheie_primara equals d2.ID_CP
select new {d1, d2.LOCALITATE}).ToList();
a.ForEach(b => b.d1.localitate = b.LOCALITATE);