i want to rebuild this SQL Query as AX Query.
I tried it in several ways, but I don't get it.
I am not completely new to AX queries, but I only have experience with some simple queries not with such complex SQL queries.
SELECT * FROM ( SELECT DH.[RECID] AS RECID_DIMENSIONHIERARCHY
,DH.[NAME] AS NAME__DIMENSIONHIERARCHY
,DH.[DESCRIPTION] AS DESC__DIMENSIONHIERARCHY
,DH.[PARTITION] AS PARTITION_DIMENSIONHIERARCHY
,DL.[DIMENSIONATTRIBUTE] AS RECID_DIMENSIONATTRIBUTE
,DA.[NAME] AS NAME_DIMENSIONATTRIBUTE
,DN.[RECID] AS RECID_DIMENSIONCONSTRAINTNODE
,DNC.[RECID] AS RECID_DIMENSIONCONSTRAINTNODECRITERIA
,DNC.[RANGETO] AS #Owner
,DNCR.[WILDCARDSTRING] AS #Agreement
FROM (SELECT * FROM [dbo].[DIMENSIONHIERARCHY]
WHERE [STRUCTURETYPE] = 1 AND [NAME] LIKE 'AG-OW%'
) AS DH
INNER JOIN [dbo].[DIMENSIONHIERARCHYLEVEL] AS DL
ON DH.[RECID] = DL.[DIMENSIONHIERARCHY]
AND DH.[PARTITION] = DL.[PARTITION]
INNER JOIN [dbo].[DIMENSIONATTRIBUTE] AS DA
ON DL.[DIMENSIONATTRIBUTE] = DA.[RECID]
AND DL.[PARTITION] = DA.[PARTITION]
INNER JOIN [dbo].[DIMENSIONCONSTRAINTNODE] AS DN
ON DL.[RECID] = DN.[DIMENSIONHIERARCHYLEVEL]
AND DL.[PARTITION] = DN.[PARTITION]
INNER JOIN [dbo].[DIMENSIONCONSTRAINTNODECRITERIA] AS DNC
ON DN.[RECID] = DNC.[DIMENSIONCONSTRAINTNODE]
AND DN.[PARTITION] = DNC.[PARTITION]
INNER JOIN [dbo].[DIMENSIONCONSTRAINTNODECRITERIA] AS DNCR
ON DN.[PARENTCONSTRAINTNODE] = DNCR.[DIMENSIONCONSTRAINTNODE]
AND DN.[PARTITION] = DNCR.[PARTITION]
) AS Sub
You need to break down your query and implement it in small chunks. Then combine all of it to get the desired result.
There are two ways to create query in X++.
Create query using select statement for example:
Select * from HcmWorker join * from DirPerson
where DirPerson.RecId == HcmWorker.Person
See this link : Select statement syntax
Create query with AOT structure. You might want to have a look at the following link:
Create query in AOT by using X++
Related
I'm trying to convert a SQL function to a DQL function.
I don't know how to do the following step:
Join on multiple class
Join on temporary table (created by doctrine)
Call a sub select in my function
Here my actual working SQL code.
SELECT ut.token
FROM user_token ut
INNER JOIN factory f ON f.id = ut.factory_id
INNER JOIN article_factory af ON af.factory_id = f.id
INNER JOIN article a ON a.id = af.article_id
WHERE ut.factory_id = (
SELECT f.id
FROM factory f
INNER JOIN article_factory af ON af.factory_id = f.id
INNER JOIN article a ON a.id = af.article_id
WHERE a.id = :article
)
GROUP BY ut.token
In case of, here a screen of my table relation.
article_factory is not an entity or a class. article_factory was created for my relation between article and factory, when I specified a ManyToMany relation.
EDIT: Tryed throught plain SQL, but got issue making link between article and fatory, since DQL only know entity, and Doctrine is creating a table, which I canno't use. With DQL, I still got the same issue than above, I don't know how to properly join my classes, and make my sub-select.
Here is the SQL equivalent of what I expect to get from Doctrine:
SELECT c.* FROM comments c
LEFT JOIN articles a
ON a.id = c.articles_id OR a.translation = c.articles_id
WHERE c.published = 1 AND c.language = a.language
The problem is that I cannot make Doctrine to generate the JOIN operation with OR as it is supposed to be. If we execute query from the following QueryBuilder object:
$qb->select('c')
->from('Project:Comment', 'c')
->leftJoin('c.article', 'a', 'WITH', 'a = c.article OR a.translation = c.article')
->where('c.published = true AND c.language = a.language');
we receive the following SQL statement:
SELECT
...
FROM comments c0_
LEFT JOIN articles a0_ ON c0_.articles_id = a0_.id
AND (
a0_.id = c0_.articles_id OR
a0_.translation = c0_.profiles_id
)
WHERE c0_.published = 1 AND c0_.language = a0_.language
which is obviously not the same as the initial query, as WITH operator seems to add additional conditions to the basic one instead of replacing the whole condition.
Is there any way to force Doctrine to output exactly what I need? I know that I may use native SQL but I doubt that it will be as convenient as QueryBuilder. Maybe there is a way to extend Doctrine with normal JOIN ON implementation instead of this odd JOIN WITH?
Doctrine doesn't implement this because it is (as far as I understand at least) not considered optimized enough for SQL.
See this SO post for precisions.
What you intend to do could appearantly be done using Union and other types of Join.
I'm trying to use this query:
MySQL SELECT DISTINCT by highest value
SELECT
p.*
FROM
product p
INNER JOIN
( SELECT
magazine, MAX(onSale) AS latest
FROM
product
GROUP BY
magazine
) AS groupedp
ON groupedp.magazine = p.magazine
AND groupedp.latest = p.onSale ;
Within Symfony2 and DQL.
I have:
$query = $em->createQuery("SELECT p FROM MyBundle:Product p WHERE p.type = 'magazine' AND p.maglink IS NOT NULL OR (p.type = 'magazine' AND p.diglink IS NOT NULL) GROUP BY p.magazine ORDER BY p.onSale DESC");
Which works fine with and outputs objects but without the correct MAX(onSale)
Doing:
$query = $em->createQuery("SELECT p , MAX(p.onSale) FROM MyBundle:Product p WHERE p.type = 'magazine' AND p.maglink IS NOT NULL OR (p.type = 'magazine' AND p.diglink IS NOT NULL) GROUP BY p.magazine ORDER BY p.onSale DESC");
Results in non-objects being returned.
This:
$query = $em->createQuery("SELECT
p.*
FROM
MyBundle:Product p
INNER JOIN
( SELECT
p.magazine, MAX(onSale) AS p.latest
FROM
MyBundle:Product p
GROUP BY
p.magazine
) AS groupedp
ON groupedp.magazine = p.magazine
AND groupedp.latest = p.onSale ;");
Throws this error:
[Semantical Error] line 0, col 127 near 'SELECT
': Error: Identification Variable ( used in join path expression but was not defined before.
I assume due to this Symfony2 Doctrine query
How can I maintain my mapping while still being able to sort each item by onsale?
Have you considered splitting this into two queries:
First:
Run your query directly against the database connection, and return the IDs of the relevant rows, in the order you want. This separates your complex query from DQL.
Second:
Query the rows through Doctrine to get the full entities you want, based on the IDs/orders of the previous query.
This is a shot in the dark, but it seems fairly obvious. Your aliasing two tables to the same alias. Thus when your using p. in the join it thinks your working from the original definition of p from before the join, then you alias the join as p. Change the alias of the join (and the references to that table) so each alias is unique.
I have 2 tables which looks like this:
ARTICLES TABLE:
and the output should look like this:
How can I accomplish this using both sql query (i'm using sql server 2005) and using linq to sql query ?
BTW i'm using sql server 2005, asp.net with c# in Visual studio 2008.
Please help me
Thanks in anticipation
Update: Added Linq experssion that can be used if you require an OUTER join.
INNER JOIN
For an inner join ie. only get back the articles that have been bought at least once, you can use the following.
LINQ 2 SQL
from a in Articles
join c in CustomersRecords on
a.Article_Name equals c.Article_Name
group a by new {a.SNo, a.Article_Name} into g
select new
{
SNo = g.Key.SNo,
Article_Name = g.Key.Article_Name,
Total_Items_Bought = g.Count()
}
The above translates to the following SQL
SELECT COUNT(*) AS [Total_Items_Bought], [t0].[SNo], [t0].[Article_Name]
FROM [Articles] AS [t0]
INNER JOIN [CustomersRecord] AS [t1] ON [t0].[Article_Name] = [t1].[Article_Name]
GROUP BY [t0].[SNo], [t0].[Article_Name]
Which when cleaned-up a little gives you
SELECT a.SNo,
a.Article_Name,
COUNT(*) AS Total_Items_Bought
FROM Articles AS a
INNER JOIN CustomersRecord AS c ON a.Article_Name = c.Article_Name
GROUP BY a.SNo, a.Article_Name
LEFT OUTER JOIN
For a left outer join ie. get back all articles event those that have never been bought, you can use the following.
LINQ 2 SQL
from a in Articles
join c in CustomersRecords on
a.Article_Name equals c.Article_Name into apc
select new
{
SNo = a.SNo,
Article_Name = a.Article_Name,
Total_Items_Bought = apc.Count()
}
This translates to the following SQL
SELECT [t0].[SNo], [t0].[Article_Name], (
SELECT COUNT(*)
FROM [CustomersRecord] AS [t1]
WHERE [t0].[Article_Name] = [t1].[Article_Name]
) AS [Total_Items_Bought]
FROM [Articles] AS [t0]
select
A.SNo,
A.Article_Name,
count(C.Article_Name) as Total_Items_Bought
from Articles as A
left outer join CustomersRecord as C
on A.Article_Name = C.Article_Name
group by A.SNo, A.Article_Name
order by A.SNo
Use this for SQL
SELECT
SNO,Article_Name,
(SELECT COUNT(*) FROM CustomersRecord AS cr
WHERE cr.Article_Name = Article_Name) AS Total_Items_Bought
FROM ARTICLES
It seems that when using the following NHibernate query, I do not get a root entity when the left outer join has no records.
ICriteria critera = session.CreateCriteria(typeof(Entity));
criteria.CreateCriteria("SubTable.Property", "Property", NHibernate.SqlCommand.JoinType.LeftOuterJoin);
criteria.Add(Expression.Not(Expression.Eq("Property", value)));
The SQL that I am trying to generate is:
SELECT * FROM BaseTable
LEFT JOIN (
SELECT * FROM SubTable
WHERE Property <> value
)Sub ON Sub.ForeignKey = BaseTable.PrimaryKey
Notice that the where clause is inside the left join's select statement. That way if there arent any maching sub records, we still get a top level record. It seems like NHibernate is producing the following SQL.
SELECT * FROM BaseTable
LEFT JOIN (
SELECT * FROM SubTable
)Sub ON Sub.ForeignKey = BaseTable.PrimaryKey
WHERE Sub.Property <> value
Is there anyway to achieve that first piece of SQL? I have already tried:
ICriteria critera = session.CreateCriteria(typeof(Entity));
criteria.CreateCriteria("SubTable.Property", "Property", NHibernate.SqlCommand.JoinType.LeftOuterJoin);
criteria.Add(
Restrictions.Disjunction()
.Add(Expression.IsNull("Property"))
.Add(Expression.Not(Expression.Eq("Property", value)));
I am looking for a solution using the Criteria API.
Try this:
var hql = #"select bt
from BaseTable bt
left join bt.SubTable subt
with subt.Property <> :property";
Or perhaps:
var hql = #"select bt
from BaseTable bt
left join bt.SubTable subt
where subt.ForeignKey = bt.PrimaryKey
and subt.Property <> :property";
Finally:
var result = session.CreateQuery(hql)
.SetParameter("property", "whateverValue")
.List<BaseTable>();
I don't use nHibernate but I think this is the SQL you need to generate:
SELECT *
FROM BaseTable
LEFT JOIN SubTable sub
ON Sub.ForeignKey = BaseTable.PrimaryKey and sub.Property <> value
What you want isn;t a where clasue but an additional condition on the join. Hope that helps.