I'm getting the following error in SSRS:
An error occurred while the query design method was being saved.
An item with the same key has already been added
What does an "item" denote, though? I even tried editing the RDL and deleting all references to the Stored Procedure I need to use called prc_RPT_Select_BI_Completes_Data_View.
Could this possibly have to do with the fact that the Stored Procedure uses Dynamic SQL (the N' notation)?
In the stored procedure I have:
SET #SQL += N'
SELECT bi.SupplierID as ''Supplier ID''
,bi.SupplierName as ''Supplier Name''
,bi.PID as ''PID''
,bi.RespondentID as ''Respondent ID''
,lk_slt.Name as ''Entry Link Type''
,ts.SurveyNumber as ''Initial Survey ID'''
It appears that SSRS has an issue(at leastin version 2008) - I'm studying this website that explains it
Where it says if you have two columns(from 2 diff. tables) with the same name, then it'll cause that problem.
From source:
SELECT a.Field1, a.Field2, a.Field3, b.Field1, b.field99 FROM TableA a
JOIN TableB b on a.Field1 = b.Field1
SQL handled it just fine, since I had prefixed each with an alias
(table) name. But SSRS uses only the column name as the key, not table
+ column, so it was choking.
The fix was easy, either rename the second column, i.e. b.Field1 AS
Field01 or just omit the field all together, which is what I did.
I face the same issue. After debug I fixed the same. if the column name in your SQL query has multiple times then this issue occur. Hence use alias in SQL query to differ the column name.
Ex:
The below query will work proper in sql query but create issue in SSRS report:
Select P.ID, P.FirstName, P.LastName, D.ID, D.City, D.Area, D.Address
From PersonalDetails P
Left Join CommunicationDetails D On P.ID = D.PersonalDetailsID
Reason : ID has mentioned twice (Multiple Times)
Correct Query:
Select P.ID As PersonalDetailsID, P.FirstName, P.LastName, D.ID, D.City, D.Area, D.Address
From PersonalDetails P
Left Join CommunicationDetails D On P.ID = D.PersonalDetailsID
I have experience this issue in past. Based on that I can say that generally we get this issue if your dataset has multiple fieldnames that points to same field source.
Take a look into following posts for detail error description
https://bi-rootdata.blogspot.com/2012/09/an-error-occurred-during-report.html
https://bi-rootdata.blogspot.com/2012/09/an-item-with-same-key-has-already-been.html
In your case, you should check your all field names returned by Sp prc_RPT_Select_BI_Completes_Data_View and make sure that all fields has unique name.
I had the same error in a report query. I had columns from different tables with the same name and the prefix for each table (eg: select a.description, b.description, c.description) that runs ok in Oracle, but for the report you must have an unique alias for each column so simply add alias to the fields with the same name (select a.description a_description, b.description b_description and so on)
Sorry, it is a response to an old thread, but might still be useful.
In addition to above responses,
This generally happens when two columns with same name, even from different tables are included in the same query.
for example if we joining two tables city and state where tables have column name
e.g. city.name and state.name.
when such a query is added to the dataset, SSRS removes the table name or the table alias and only keeps the name, whih eventually appears twice in the query and errors as duplicate key.
The best way to avoid it is to use alias such as calling the column names
city.name as c_name
state.name as s_name.
This will resolve the issue.
I got this error message with vs2015 enterprise, ssdt 14.1.xxx, ssrs. For me I think it was something different than described above with a 2 column, same name problem. I added this report, then deleted the report, then when I tried to add the query back in the ssrs wizard I got this message, " An error occurred while the query design method was being saved :invalid object name: tablename" . where tablename was the table on the query the wizard was reading. I tried cleaning the project, I tried rebuilding the project. In my opinion Microsoft isn't completing cleaning out the report when you delete it and as long as you try to add the original query back it won't add. The way I was able to fix it was to create the ssrs report in a whole new project (obviously nothing wrong with the query) and save it off to the side. Then I reopened my original ssrs project, right clicked on Reports, then Add, then add Existing Item. The report added back in just fine with no name conflict.
I just got this error and i came to know that it is about the local variable alias
at the end of the stored procedure i had like
select #localvariable1,#localvariable2
it was working fine in sql but when i ran this in ssrs
it was always throwing error but after I gave alias it is fixed
select #localvariable1 as A,#localvariable2 as B
SSRS will not accept duplicated columns so ensure that your query or store procedure is returning unique column names.
If you are using SPs and if the sps have multiple Select statements (within if conditions) all those selects needs to be handled with unique field names.
Related
This may be a simple fix but Im somehow drawing a blank. I have this code below, and I want the results that I got from it to be added into their own column in an existing table. How would i go about doing this.
Select full_name, SUM(total) as sum_sales
FROM loyalty
where invoiceyear = 2013
GROUP BY full_name
order by sum_sales DESC;
This leaves me with one column with the name of employee and the second with their sales from that year.
How can i just take these results and add them into a column in addition to the table
Is it as simple as...
Alter table loyalty
Add column "2013 sales"
and then add in some sort of condition?
Any help would be greatly appreciated!
If i got your question right, you need to first alter the table allowing the new field to be null (you can change it later on) then you could use an insert clause to store the value permanently.
Hello I'm writing an sql query But i am getting a syntax error on the line with the GROUP BY. What can possibly be the problem, help if you can please.
UPDATE intersection_points i
SET nbr_victimes = sum(tue+bl+bg)
FROM accident_ma a ,intersection_points i
WHERE (ST_DWithin(i.st_intersection,a.geom_acc, 10000) group by st_intersection)) ;
GROUP BY is its own clause, it's not part of a WHERE clause.
This is what you have:
WHERE (
ST_DWithin(i.st_intersection,a.geom_acc, 10000)
group by st_intersection
)
This is what you need:
WHERE ST_DWithin(i.st_intersection,a.geom_acc, 10000)
group by st_intersection
Edit: In response to comments, it sounds like your JOIN is a bit more complex than the UPDATE ... FROM syntax would need. Take a look at the "Notes" section on this page:
When a FROM clause is present, what essentially happens is that the target table is joined to the tables mentioned in the from_list, and each output row of the join represents an update operation for the target table. When using FROM you should ensure that the join produces at most one output row for each row to be modified. In other words, a target row shouldn't join to more than one row from the other table(s). If it does, then only one of the join rows will be used to update the target row, but which one will be used is not readily predictable.
Because of this indeterminacy, referencing other tables only within sub-selects is safer, though often harder to read and slower than using a join.
Normally this would involve changing the syntax to something like:
UDPATE SomeTable
SET SomeColumn = 'Some Value'
WHERE AnotherColumn =
(SELECT AnotherColumn
FROM AnotherTable
-- etc.)
However, the use of ST_DWithin() in this query may complicate that quite a bit. Without much deeper knowledge of the table structures, relationships, and overall intent of this update there probably isn't much more help I can give. Essentially you're going to need to clarify for the database exactly what records need to be updated and how to update them, which may involve changing your query to this latter sub-select syntax in some way.
I don' t understand your data structure. I create the following tables from your query. Please check table structure.
if table's structure is this
your query must be
UPDATE intersection_points SET nbr_victimes = (SELECT SUM(a.tue+a.bl+a.bg) FROM accident_ma a WHERE st_dwithin(st_intersection, a.geom_acc, 1000));
I am trying to create a report that pulls over records that contain only email address per record. Can anyone help me with this? I am not very experienced with Crystal so any help would be really appreciated. I have tried using count and max but nothing has worked for me so far. Thanks, Cindy
To pull distinct records
go to ---> Database ---> Select distinct Records
If this is not your are looking for then provide more detail about your problem
First You have to create a stored procedure that retrieves the distinct records that you need.
second you have to create a crystal report and set datasource location or select your procedure from Database Expert (Create New Connection -> select your connection type-> insert credentials to open the connection-> select your procedure)
Third from Field Explorer your Procedure will appear and the columns of your query all you have to do from here is to work on the layout(Design) and drag & drop your required field.
I have three tables and only one that I directly control and am doing a MERGE between them. See my abbreviated but working example here (sqlfiddle example).
I am doing a MERGE between table 1 and Table 2 to Table 3. Table 1 has duplicate data which the MERGE (erroneously) can handle on the first run (insert) but fails with this message on the second run (update).
The MERGE statement attempted to UPDATE or DELETE the same row more
than once.
My question is, can the MERGE be written to either use an EXCEPT such as
SELECT AdFull FROM [dbo].[Users] WHERE AdFull IS NOT NULL
EXCEPT
SELECT AdFull FROM [dbo].[Users]
WHERE AdFull IS NOT NULL
GROUP BY AdFull
HAVING COUNT(*) = 1
or a different Join to only show users that are not duplicated? Or even a way to select a specific one of the duplicates?
Answered Questions
MERGE is a working Insert due to the nature of Fiddle. But due (AFAIK) to the stateless nature of fiddle one never sees the error in Fiddle on a second run, because a merge never happens with the data, only inserts.
Ignore Rows: Actually I would eventually like to use an individual duplicate row via divining of one based on a condition. The actual data table I am dealing with away from the fiddle example has more columns and it would be nice to maybe select a specific row in a duplicate set due to a specific condition.
The example doesn't bare it out, but yes the duplicates are due to the computed AdFull column. Think of a system adding a temp employee, that user gets a row. Then the temp employee gets hired on as fulltime, keeps the ad account but then gets another row in the user table. Yes I know it shouldn't happen. So that is how a duplicate comes about.
(Duplicate values Table 3) Table three is a result table that can be cleaned out for any duplicates to start this process afresh.
In your MERGE statement can you do something similar this?
MERGE INTO [dbo].Table3 AS T3
USING
(
SELECT
AdFull,
MAX(StartedOn)
FROM [dbo].Table2 AS [ad]
GROUP BY AdFull
) AS T2
ON (T2.AdFull = T3.AdFull)
WHEN MATCHED THEN UPDATE blah
WHEN NOT MATCHED THEN INSERT blah
Using the MAX aggregate with a GROUP BY should give you only the information from when the temp was hired on. Then if the AdFull matches you can simply UPDATE Table3 with the most recent information and if there is no match then INSERT a new row.
UPDATE: If I fail to mention that MERGE should be used with caution I will take flak from #AaronBertrand.
I have created a database as part of university assignment and I have hit a snag with the question in the title.
More likely I am being asked to find out how many films each company has made. Which suggests to me a group by query. But I have no idea where to begin. It is only a two mark question but the syntax is not clicking in my head.
My schema is:
CREATE TABLE Movie
(movieID CHAR(3) ,
title CHAR(36),
year NUMBER,
company CHAR(50),
totalNoms NUMBER,
awardsWon NUMBER,
DVDPrice NUMBER(5,2),
discountPrice NUMBER(5,2))
There are other tables but at first glance I don't think they are relevant to this question.
I am using sqlplus10
The answer you need comes from three basic SQL concepts, I'll step through them with you. If you need more assistance to create an answer from these hints, let me know and I can try to keep guiding you.
Group By
As you mentioned, SQL offers a GROUP BY function that can help you.
A SQL Query utilizing GROUP BY would look like the following.
SELECT list, fields, aggregate(value)
FROM tablename
--WHERE goes here, if you need to restrict your result set
GROUP BY list, fields
a GROUP BY query can only return fields listed in the group by statement, or aggregate functions acting on each group.
Aggregate Functions
Your homework question also needs an Aggregate function called Count. This is used to count the results returned. A simple query like the following returns the count of all records returned.
SELECT Count(*)
FROM tablename
The two can be combined, allowing you to get the Count of each group in the following way.
SELECT list, fields, count(*)
FROM tablename
GROUP BY list, fields
Column Aliases
Another answer also tried to introduce you to SQL column aliases, but they did not use SQLPLUS syntax.
SELECT Count(*) as count
...
SQLPLUS column alias syntax is shown below.
SELECT Count(*) "count"
...
I'm not going to provide you the SQL, but instead a way to think about it.
What you want to do is select where the company matches and count the total rows returned. That count is the number of films made by the specified company.
Hope that points you in the right direction.
Select company, count(*) AS count
from Movie
group by company
select * group by company won't work in Oracle.