PROGRESS ODBC GROUP BY CLAUSE - sql

Im still improving my query writing skills and i have little problem with select which uses stastical function like average max etc. Firstly i wrote simple query based on single table and it works perfect:
select e.Article, avg(e.Price) as 'Average', max(e.Price) as 'Max', min(e.Price) as 'Min' from pub.E_ArtPrice e
group by e.Article
order by e.Article
Next step was to create something little more complicated to get information which is really useful for me:
Select m.Part, m.Quantity, m.OnHand, m.postingdate, m.storagearea, p.MEM_PostingCode_ID, koss.Description, ko.Carrier, avg(e.price) as 'Average', max(e.price) as 'Max', min(e.price) as 'Min'
from pub.MLL_Movements m inner join pub.MEM_PostingCode p on (m.MEM_PostingCode_Obj = p.MEM_PostingCode_Obj)
left outer join pub.s_Carrier ko on (m.CostAccObject_Obj = ko.S_Carrier_Obj)
left outer join pub.s_CostCentre kos on (m.CostAccObject_Obj = kos.S_CostCentre_Obj)
left outer join pub.S_CostCentreSpr koss on (kos.CostCentre = koss.CostCentre)
left outer join pub.E_ArtPrice e on (m.Part = e.Article)
where p.MEM_PostingCode_ID = 'AUKJ'
I didn't put the group by clause here because after many tries it didnt work.
enter image description here


All your select columns other than the aggregate columns should be in your group by clause hence try the below
Select m.Part, m.Quantity, m.OnHand, m.postingdate, m.storagearea, p.MEM_PostingCode_ID, koss.Description, ko.Carrier, avg(e.price) as 'Average', max(e.price) as 'Max', min(e.price) as 'Min'
from pub.MLL_Movements m inner join pub.MEM_PostingCode p on (m.MEM_PostingCode_Obj = p.MEM_PostingCode_Obj)
left outer join pub.s_Carrier ko on (m.CostAccObject_Obj = ko.S_Carrier_Obj)
left outer join pub.s_CostCentre kos on (m.CostAccObject_Obj = kos.S_CostCentre_Obj)
left outer join pub.S_CostCentreSpr koss on (kos.CostCentre = koss.CostCentre)
left outer join pub.E_ArtPrice e on (m.Part = e.Article)
where p.MEM_PostingCode_ID = 'AUKJ'
group by m.Part, m.Quantity, m.OnHand, m.postingdate, m.storagearea, p.MEM_PostingCode_ID, koss.Description, ko.Carrier

Related

Looking to add in a Count query with Group by INTO an existing working query

Goal:
I wish to get the Count of how many times a WorkItem was re-assigned
From what I understand the proper query is the following:
SELECT
WorkItemDimvw.Id,
COUNT(WorkItemAssignedToUserFactvw.WorkItemAssignedToUser_UserDimKey) AS Assignments
FROM WorkItemDimvw INNER JOIN WorkItemAssignedToUserFactvw
ON WorkItemDimvw.WorkItemDimKey = WorkItemAssignedToUserFactvw.WorkItemDimKey
GROUP BY WorkItemDimvw.Id
The EXISTING query is below and I'm wondering / forgeting if I should:
Just add in COUNT(WorkItemAssignedToUserFactvw.WorkItemAssignedToUser_UserDimKey) AS Assignments since joins are existing, except it is group by WorkItemDimvw.Id
Should it instead be a subquery in the Select below?
Query:
SELECT
SRD.ID,
SRD.Title,
SRD.Description,
SRD.EntityDimKey,
WI.WorkItemDimKey,
IATUFact.DateKey
FROM
SLAConfigurationDimvw
INNER JOIN SLAInstanceInformationFactvw
ON SLAConfigurationDimvw.SLAConfigurationDimKey = SLAInstanceInformationFactvw.SLAConfigurationDimKey
RIGHT OUTER JOIN ServiceRequestDimvw AS SRD
INNER JOIN WorkItemDimvw AS WI
ON SRD.EntityDimKey = WI.EntityDimKey
LEFT OUTER JOIN WorkItemAssignedToUserFactvw AS IATUFact
ON WI.WorkItemDimKey = IATUFact.WorkItemDimKey
AND IATUFact.DeletedDate IS NULL

The trick is to aggregate the data on a sub query, before you join it.
SELECT
SRD.ID,
SRD.Title,
SRD.Description,
SRD.EntityDimKey,
WI.WorkItemDimKey,
IATUFact.DateKey,
IATUFact.Assignments
FROM
SLAConfigurationDimvw
INNER JOIN
SLAInstanceInformationFactvw
ON SLAConfigurationDimvw.SLAConfigurationDimKey = SLAInstanceInformationFactvw.SLAConfigurationDimKey
RIGHT OUTER JOIN
ServiceRequestDimvw AS SRD
ON <you're missing something here>
INNER JOIN
WorkItemDimvw AS WI
ON SRD.EntityDimKey = WI.EntityDimKey
LEFT OUTER JOIN
(
SELECT
WorkItemDimKey,
DateKey,
COUNT(WorkItemAssignedToUser_UserDimKey) AS Assignments
FROM
WorkItemAssignedToUserFactvw
WHERE
DeletedDate IS NULL
GROUP BY
WorkItemDimKey,
DateKey
)
IATUFact
ON WI.WorkItemDimKey = IATUFact.WorkItemDimKey

SQL-Get and replace minimum value of a query's field

I have the following query in Postgresql :
SELECT mq.nombre,sa.nombre,COUNT(DISTINCT(ae.numero_serie)),SUM(im.fin-im.inicio),MIN(pz.fecha_inicio)
FROM item_metraje AS im LEFT JOIN articulo_especificado AS ae ON (im.id_articulo_especificado = ae.id)
LEFT JOIN articulo AS a ON (ae.id_articulo = a.id)
LEFT JOIN serie_articulo AS sa ON (a.id_serie_articulo = sa.id)
LEFT JOIN reporte_perforacion AS rp ON (rp.id = im.id_reporte_perforacion)
LEFT JOIN pozo AS pz ON (pz.id=rp.id_pozo) LEFT JOIN proyecto AS p ON (p.id=pz.id_proyecto)
LEFT JOIN maquina_perforacion AS mq ON (mq.id = pz.id_maquina)
WHERE p.id = 2 GROUP BY mq.nombre,sa.nombre
and the result is :
However I want to put the minimum date for the rows that have the same value of the field 'nombre', for example for the value 'JM04' the three rows must have the date 2015-01-25 because it is the minimum value of the three rows.
Excuse me for my English and thanks for all.

You can use Window functions for this purpose. MIN(pz.fecha_inicio) over (partition by mq.nombre).
Therefore the final query is,
SELECT z.nombre1,z.nombre2,z.count,z.sum ,MIN(z.date) over (partition by z.nombre1) from
(SELECT mq.nombre as nombre1 ,sa.nombre as nombre2,COUNT(DISTINCT(ae.numero_serie)) as count,SUM(im.fin-im.inicio) as sum ,pz.fecha_inicio as date
FROM item_metraje AS im LEFT JOIN articulo_especificado AS ae ON (im.id_articulo_especificado = ae.id)
LEFT JOIN articulo AS a ON (ae.id_articulo = a.id)
LEFT JOIN serie_articulo AS sa ON (a.id_serie_articulo = sa.id)
LEFT JOIN reporte_perforacion AS rp ON (rp.id = im.id_reporte_perforacion)
LEFT JOIN pozo AS pz ON (pz.id=rp.id_pozo) LEFT JOIN proyecto AS p ON (p.id=pz.id_proyecto)
LEFT JOIN maquina_perforacion AS mq ON (mq.id = pz.id_maquina)
WHERE p.id = 2 GROUP BY mq.nombre,sa.nombre)z
You can modify this with the help of order by or having clauses inside window function as you want. I tried this with my own data set. Hope this helps.

Nested SQL - Distinct Load Left Join in one statement

I wanted to left join two queries:
First:
SELECT TIG_TOL.sName AS Maschine,
TIG_TOL.lTolRef,
Max(TIG_JOB.tActBegin) AS MaxvontActBegin
FROM TIG_JOB LEFT JOIN TIG_TOL ON TIG_JOB.lMacRef = TIG_TOL.lTolRef
WHERE (((TIG_JOB.sState)="Run" Or (TIG_JOB.sState)="Ready"))
GROUP BY TIG_TOL.sName, TIG_TOL.lTolRef;
Second:
SELECT TIG_JOB.sName AS Auftrag,
TIG_JOB.lJobRef,
TIG_TOL.sName AS Artikel,
TIG_TOL.sDescript AS Artikel_Bezeichnung
FROM (TIG_JOB LEFT JOIN TIG_TOL_BOK ON TIG_JOB.lJobRef = TIG_TOL_BOK.lJobRef)
LEFT JOIN TIG_TOL ON (TIG_TOL_BOK.lTolRef = TIG_TOL.lTolRef)
AND (TIG_TOL_BOK.lTolTypRef = TIG_TOL.lTolTypRef)
WHERE (((TIG_TOL.lTolTypRef)=10));
Over a left join
on First.MaxvontActBegin = Second.TIG_JOB.tActBegin
AND First.TIG_TOL.lTolRef = Second.TIG_JOB.lMacRef
Is that possible? In Access Im doing it over two queries, where the second is using the first..

I (blindly) added TIG_JOB.tActBegin and TIG_JOB.lMacRef to the 2nd SELECT (hoping they exist) in order to JOIN the two results.
I used SELECT * only because you did not specify the column selection.
SELECT *
FROM
(
SELECT TIG_TOL.sName AS Maschine,
TIG_TOL.lTolRef,
Max(TIG_JOB.tActBegin) AS MaxvontActBegin
FROM TIG_JOB LEFT JOIN TIG_TOL ON TIG_JOB.lMacRef = TIG_TOL.lTolRef
WHERE (((TIG_JOB.sState)="Run" Or (TIG_JOB.sState)="Ready"))
GROUP BY TIG_TOL.sName, TIG_TOL.lTolRef
) AS FirstTable
LEFT JOIN
(
SELECT TIG_JOB.sName AS Auftrag,
TIG_JOB.lJobRef,
TIG_TOL.sName AS Artikel,
TIG_TOL.sDescript AS Artikel_Bezeichnung,
TIG_JOB.tActBegin,
TIG_JOB.lMacRef
FROM (TIG_JOB LEFT JOIN TIG_TOL_BOK ON TIG_JOB.lJobRef = TIG_TOL_BOK.lJobRef)
LEFT JOIN TIG_TOL ON (TIG_TOL_BOK.lTolRef = TIG_TOL.lTolRef)
AND (TIG_TOL_BOK.lTolTypRef = TIG_TOL.lTolTypRef)
WHERE (((TIG_TOL.lTolTypRef)=10))
) AS SecondTable
ON FirstTable.MaxvontActBegin = SecondTable.tActBegin
AND FirstTable.lTolRef = SecondTable.lMacRef`

Recursive query with outer joins?

I'm attempting the following query,
DECLARE #EntityType varchar(25)
SET #EntityType = 'Accessory';
WITH Entities (
E_ID, E_Type,
P_ID, P_Name, P_DataType, P_Required, P_OnlyOne,
PV_ID, PV_Value, PV_EntityID, PV_ValueEntityID,
PV_UnitValueID, PV_UnitID, PV_UnitName, PV_UnitDesc, PV_MeasureID, PV_MeasureName, PV_UnitValue,
PV_SelectionID, PV_DropDownID, PV_DropDownName, PV_DropDownOptionID, PV_DropDownOptionName, PV_DropDownOptionDesc,
RecursiveLevel
)
AS
(
-- Original Query
SELECT dbo.Entity.ID AS E_ID, dbo.EntityType.Name AS E_Type,
dbo.Property.ID AS P_ID, dbo.Property.Name AS P_Name, DataType.Name AS P_DataType, Required AS P_Required, OnlyOne AS P_OnlyOne,
dbo.PropertyValue.ID AS PV_ID, dbo.PropertyValue.Value AS PV_Value, dbo.PropertyValue.EntityID AS PV_EntityID, dbo.PropertyValue.ValueEntityID AS PV_ValueEntityID,
dbo.UnitValue.ID AS PV_UnitValueID, dbo.UnitOfMeasure.ID AS PV_UnitID, dbo.UnitOfMeasure.Name AS PV_UnitName, dbo.UnitOfMeasure.Description AS PV_UnitDesc, dbo.Measure.ID AS PV_MeasureID, dbo.Measure.Name AS PV_MeasureName, dbo.UnitValue.UnitValue AS PV_UnitValue,
dbo.DropDownSelection.ID AS PV_SelectionID, dbo.DropDown.ID AS PV_DropDownID, dbo.DropDown.Name AS PV_DropDownName, dbo.DropDownOption.ID AS PV_DropDownOptionID, dbo.DropDownOption.Name AS PV_DropDownOptionName, dbo.DropDownOption.Description AS PV_DropDownOptionDesc,
0 AS RecursiveLevel
FROM dbo.Entity
INNER JOIN dbo.EntityType ON dbo.EntityType.ID = dbo.Entity.TypeID
INNER JOIN dbo.Property ON dbo.Property.EntityTypeID = dbo.Entity.TypeID
INNER JOIN dbo.PropertyValue ON dbo.Property.ID = dbo.PropertyValue.PropertyID AND dbo.PropertyValue.EntityID = dbo.Entity.ID
INNER JOIN dbo.DataType ON dbo.DataType.ID = dbo.Property.DataTypeID
LEFT JOIN dbo.UnitValue ON dbo.UnitValue.ID = dbo.PropertyValue.UnitValueID
LEFT JOIN dbo.UnitOfMeasure ON dbo.UnitOfMeasure.ID = dbo.UnitValue.UnitOfMeasureID
LEFT JOIN dbo.Measure ON dbo.Measure.ID = dbo.UnitOfMeasure.MeasureID
LEFT JOIN dbo.DropDownSelection ON dbo.DropDownSelection.ID = dbo.PropertyValue.DropDownSelectedID
LEFT JOIN dbo.DropDownOption ON dbo.DropDownOption.ID = dbo.DropDownSelection.SelectedOptionID
LEFT JOIN dbo.DropDown ON dbo.DropDown.ID = dbo.DropDownSelection.DropDownID
WHERE dbo.EntityType.Name = #EntityType
UNION ALL
-- Recursive Query?
SELECT E2.E_ID AS E_ID, dbo.EntityType.Name AS E_Type,
dbo.Property.ID AS P_ID, dbo.Property.Name AS P_Name, DataType.Name AS P_DataType, Required AS P_Required, OnlyOne AS P_OnlyOne,
dbo.PropertyValue.ID AS PV_ID, dbo.PropertyValue.Value AS PV_Value, dbo.PropertyValue.EntityID AS PV_EntityID, dbo.PropertyValue.ValueEntityID AS PV_ValueEntityID,
dbo.UnitValue.ID AS PV_UnitValueID, dbo.UnitOfMeasure.ID AS PV_UnitID, dbo.UnitOfMeasure.Name AS PV_UnitName, dbo.UnitOfMeasure.Description AS PV_UnitDesc, dbo.Measure.ID AS PV_MeasureID, dbo.Measure.Name AS PV_MeasureName, dbo.UnitValue.UnitValue AS PV_UnitValue,
dbo.DropDownSelection.ID AS PV_SelectionID, dbo.DropDown.ID AS PV_DropDownID, dbo.DropDown.Name AS PV_DropDownName, dbo.DropDownOption.ID AS PV_DropDownOptionID, dbo.DropDownOption.Name AS PV_DropDownOptionName, dbo.DropDownOption.Description AS PV_DropDownOptionDesc,
(RecursiveLevel + 1)
FROM Entities AS E2
INNER JOIN dbo.Entity ON dbo.Entity.ID = E2.PV_ValueEntityID
INNER JOIN dbo.EntityType ON dbo.EntityType.ID = dbo.Entity.TypeID
INNER JOIN dbo.Property ON dbo.Property.EntityTypeID = dbo.Entity.TypeID
INNER JOIN dbo.PropertyValue ON dbo.Property.ID = dbo.PropertyValue.PropertyID AND dbo.PropertyValue.EntityID = E2.E_ID
INNER JOIN dbo.DataType ON dbo.DataType.ID = dbo.Property.DataTypeID
INNER JOIN dbo.UnitValue ON dbo.UnitValue.ID = dbo.PropertyValue.UnitValueID
INNER JOIN dbo.UnitOfMeasure ON dbo.UnitOfMeasure.ID = dbo.UnitValue.UnitOfMeasureID
INNER JOIN dbo.Measure ON dbo.Measure.ID = dbo.UnitOfMeasure.MeasureID
INNER JOIN dbo.DropDownSelection ON dbo.DropDownSelection.ID = dbo.PropertyValue.DropDownSelectedID
INNER JOIN dbo.DropDownOption ON dbo.DropDownOption.ID = dbo.DropDownSelection.SelectedOptionID
INNER JOIN dbo.DropDown ON dbo.DropDown.ID = dbo.DropDownSelection.DropDownID
)
SELECT E_ID, E_Type,
P_ID, P_Name, P_DataType, P_Required, P_OnlyOne,
PV_ID, PV_Value, PV_EntityID, PV_ValueEntityID,
PV_UnitValueID, PV_UnitID, PV_UnitName, PV_UnitDesc, PV_MeasureID, PV_MeasureName, PV_UnitValue,
PV_SelectionID, PV_DropDownID, PV_DropDownName, PV_DropDownOptionID, PV_DropDownOptionName, PV_DropDownOptionDesc,
RecursiveLevel
FROM Entities
INNER JOIN [dbo].[Entity] AS dE
ON dE.ID = PV_EntityID
The problem is the second query, the "recursive one" is getting the data I expect since I can't do the LEFT JOINs like in the first query. (At least to my understanding).
If I remove the fetching of the data that requires the LEFT (Outer) JOINs then the recursion works perfectly. My problem is I need both. Is there a way I can accomplish this?

Per http://msdn.microsoft.com/en-us/library/ms175972.aspx you can not have a left/right/outer join in a recursive CTE.
For a recursive CTE you can't use a subquery either so I sugest following this example.
They use two CTE's. The first is not recursive and does the left join to get the data it needs. The second CTE is recursive and inner joins on the first CTE. Since CTE1 is not recursive it can left join and supply default values for the missing rows and is guarenteed to work in the inner join.
However, you can also duplicate a left join with a union and subselect though it isn't really useful normally but it is interesting.
In that case, you would keep your first statement how it is. It will match all rows that join successfully.
Then UNION that query with another query that removes the join, but has a
NOT EXISTS(SELECT 1 FROM MISSING_ROWS_TABLE WHERE MAIN_TABLE.JOIN_CONDITION = MISSING_ROWS_TABLE.JOIN_CONDITION)
This gets all the rows that failed the previous join condition in query 1. You can replace the colmuns you would get from MISSING_ROWS_TABLE with NULL. I had to do this once using a coding framework that didn't support outer joins. Since recursive CTE's don't allow subqueries you have to use the first solution.

How to write subquery inside the OUTER JOIN Statement

I want to join two table CUSTMR and DEPRMNT.
My needed is: LEFT OUTER JOIN OF two or more Tables with subquery inside the LEFT OUTER JOIN as shown below:
Table: CUSTMR , DEPRMNT
Query as:
SELECT
cs.CUSID
,dp.DEPID
FROM
CUSTMR cs
LEFT OUTER JOIN (
SELECT
dp.DEPID
,dp.DEPNAME
FROM
DEPRMNT dp
WHERE
dp.DEPADDRESS = 'TOKYO'
)
ON (
dp.DEPID = cs.CUSID
AND cs.CUSTNAME = dp.DEPNAME
)
WHERE
cs.CUSID != ''
Here the subquery is:
SELECT
dp.DEPID, dp.DEPNAME
FROM
DEPRMNT dp
WHERE
dp.DEPADDRESS = 'TOKYO'
Is it possible to write such subquery inside LEFT OUTER JOIN?
I am getting an error when running this query on my DB2 database.

You need the "correlation id" (the "AS SS" thingy) on the sub-select to reference the fields in the "ON" condition. The id's assigned inside the sub select are not usable in the join.
SELECT
cs.CUSID
,dp.DEPID
FROM
CUSTMR cs
LEFT OUTER JOIN (
SELECT
DEPID
,DEPNAME
FROM
DEPRMNT
WHERE
dp.DEPADDRESS = 'TOKYO'
) ss
ON (
ss.DEPID = cs.CUSID
AND ss.DEPNAME = cs.CUSTNAME
)
WHERE
cs.CUSID != ''

I think you don't have to use sub query in this scenario.You can directly left outer join the DEPRMNT table .
While using Left Outer Join ,don't use columns in the RHS table of the join in the where condition, you ll get wrong output