Merge Join: The Clolumn With The SortKeyPosition Value Of 0 Is Not Valid. It Should Be 4.
Apr 15, 2008
Hi,
I have a Data flow task with two OLE DB sources, which are both sorted by same columns (order by) and IsSorted, sortKeyPosition are both set.
Then I have a Merge join (left join) where I get validation error: The clolumn with the SortKeyPosition value of 0 is not valid. It should be 4.
However this only happens if I include a join key column also as output.
Can columns be both join keys and output?
Thanks, Janez
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Aug 10, 2007
Scenario:
OLEDB source 1
SELECT ...
,[MANUAL DCD ID] <-- this column set to sort order = 1
...
FROM [dbo].[XLSDCI] ORDER BY [MANUAL DCD ID] ASC
OLEDB source 2
SELECT ...
,[Bo Tkt Num] <-- this column set to sort order = 1
...
FROM ....[dbo].[FFFenics] ORDER BY [Bo Tkt Num] ASC
These two tasks are followed immediately by a MERGE JOIN
All columns in source1 are ticked, all column in source2 are ticked, join key is shown above.
join type is left outer join (source 1 -> source 2)
result of source1 (..dcd column)
...
4-400-8000119
4-400-8000120
4-400-8000121
4-400-8000122 <--row not joining
4-400-8000123
4-400-8000124
...
result of source2 (..tkt num column)
...
4-400-1000118
4-400-1000119
4-400-1000120
4-400-1000121
4-400-1000122 <--row not joining
4-400-1000123
4-400-1000124
4-400-1000125
...
All other rows are joining as expected.
Why is it failing for this one row?
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Nov 22, 2006
I am using merge replication with automatic identity range management
I want to be able to give a disconnected subscriber a warning message if a certain percentage of the allocated subscriber identity range has been used
- so that they can make sure they reconnect soon to obtain a new identity range
I can get the current identity value OK, but I can't find a good way of finding the current permitted primary and secondary ranges
The information is available in the check constraint, but I don't really want to have to parse this!
CONSTRAINT [repl_identity_range_0DF907AC_40CF_4849_9BD0_2173C90A3805] CHECK NOT FOR REPLICATION (([ContactID]>(10000040000.)
AND [ContactID]<=(10000050000.) OR [ContactID]>(10000050000.) AND [ContactID]<=(10000060000.)))
I can't find any system view which will provide this information
Is there a recommended way of doing this?
Thanks
aero1
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Apr 21, 2008
During merge replication initialization from SQL Server 2005 to SQL Server CE 3.5 on Windows Mobile 5.0
I am getting the following errors:
On Device
{"The table name is not valid. [ Token line number (if known) = 1,Token line offset (if known) = 21,Table name = COLLECTION ]"}
base {System.SystemException}: {"The table name is not valid. [ Token line number (if known) = 1,Token line offset (if known) = 21,Table name = COLLECTION ]"}
HResult: -2147217900
Message: "The table name is not valid. [ Token line number (if known) = 1,Token line offset (if known) = 21,Table name = COLLECTION ]"
NativeError: 26100
Source: "Microsoft SQL Server Compact"
{System.Data.SqlServerCe.SqlCeError: The SQL statement failed to execute. If this occurred while using merge replication, this is an internal error. If this occurred while using RDA, then the SQL statement is invalid either on the PULL statement or on the SubmitSQL statement. [ SQL statement = ALTER TABLE [dbo].[COLLECTION] ADD CONSTRAINT [PK_COLLECTION] PRIMARY KEY CLUSTERED ( [SERIAL_NUMBER], [STORE_CODE], [COLLECT_DATE] )WITH PAD_INDEX , FILLFACTOR = 90 ]}
Source: "Microsoft SQL Server Compact"
Server Logged:
...
2008/04/20 20:03:16 Thread=EA0 RSCB=5 Command=SCHK Hr=00000000 SyncCheck responding 0
2008/04/20 20:03:17 Thread=B90 RSCB=5 Command=OPNR Hr=00000000 End Of Data Set 1
2008/04/20 20:03:17 Thread=B90 RSCB=5 Command=OPNR Hr=00000000 Responding to Fetch, bytes = 50259
2008/04/20 20:03:17 Thread=970 RSCB=5 Command=CLOS Hr=00000000 Total Compressed bytes out = 50259
2008/04/20 20:03:17 Thread=970 RSCB=5 Command=CLOS Hr=00000000 Total Uncompressed bytes out = 390254
2008/04/20 20:03:17 Thread=970 RSCB=5 Command=CLOS Hr=00000000 Removing this RSCB 0
2008/04/20 20:03:19 Hr=00000000 Compression Level set to 1
2008/04/20 20:03:19 Hr=80004005 ACK:Error for DistributorSessionID = 80
2008/04/20 20:03:19 Hr=80004005 The SQL statement failed to execute. If this occurred while using merge replication, this is an internal error. If this occurred while using RDA, then the SQL statement is invalid either on the PULL statement or on the SubmitSQL statement. [,,,SQL stateme 28560
The same tables in a different on a different SQL box (test) replicate fine, but on this box (production) they do not. Any idea what would be the difference in the two environments?
I suspect that the "dbo." part in the "alter table" is what it is messing up on... how can I tell SQL CE not to include that schema prefix?
Thanks
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May 22, 2015
I have two xml source and i need only left restricted data.
how can i perform left restricted join?
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Jun 18, 2006
Hello folks,Old programmer learning new tricks.I think similar issues have been posted, but I would like to ask some helpwith the following code...select [t1.*],[t2.userid] as [userid2],[t2.approved],[t2.type]from [tblMembers] as t1 left outer join [tblProfiles] as t2on [t1.userid]=[t2.userid]where ...I get the following error...[Microsoft][ODBC SQL Server Driver][SQL Server]Invalid column name't1.userid'.....but there is a [userid] in both tables. Do I have to make them keys orsomething? And I need to do work (add and update) on both tables after thevalues are returned.Also, how bad is my syntax? If you could give advice on removing extraneousbrackets and I would like to not have to use the "as" clause. I really justwant to keep it simple. Whatever works though.Thanks
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Jun 5, 2006
I have a merge join (full outer join) task in a data flow. The left input comes from a flat file source and then a script transformation which does some custom grouping. The right input comes from an oledb source. The script transformation output is asynchronous (SynchronousInputID=0). The left input has many more rows (200,000+) than the right input (2,500). I run it from VS 2005 by right-click/execute on the data flow task. The merge join remains yellow and the task never finishes. I do see a row count above the flat file destination that reaches a certain number and seems to get stuck there. When I test with a smaller file on the left it works OK. Any suggestions?
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Nov 7, 2006
Is there a way to do a super-table join ie two table join with no matching criteria? I am pulling in a sheet from XL and joining to a table in SQLServer. The join should read something like €œfor every row in the sheet I need that row and a code from a table. 100 rows in the sheet merged with 10 codes from the table = 1000 result rows.
This is the simple sql (no join on the tables):
select 1.code, 2.rowdetail
from tblcodes 1, tblelements 2
But how to do this in SSIS?
Thanks - Ken
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May 6, 2008
I read that merge joins work a lot faster than hash joins. How would you convert a hash join into a merge join? (Referring to output on Execution Plan diagrams.)
THANKS
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Apr 26, 2004
I have got a query in which a merge join is 99% of the cost .... and I am confused ... is not merge join supposed to be the fastest ??? Anyone seen this before ???
Any ideas why this could be happening ... and sorry ... do not ask me to post the code coz I will not be able to ...
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Mar 3, 2008
Hi, all experts here,
Any advices for when will be a better way of using Merge join instead of other options?
Thank you very much and I am looking forward to hearing from you shortly.
Best regards,
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May 5, 2006
All,
I need to use Merge Join transformation to join two sources. One is from a PIVOT transformation and one of the output columns is ISSORTED, the other is from an OLE DB Source using a query. The Merge Join transformation requires both input source have to be sorted. I cannot find the ISSORTED property on the OLE DB Source!!
I tried to use Derived/ copy transformations but cannot find the property also. How can set the OLE query sorted in order to use the MergeJoin?
Thanks a lot
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Jun 15, 2007
Hello all,
I have a package where I use merge join for two sorted inputs and the output is stored in a raw file.
In another package, the raw file from above package is again merge joined with another sorted input. Now my question is....do we need to sort again the raw file from first package? or is it OK to set the isSorted property to True and define the sort keys?
Thank you.
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Dec 17, 2007
I am new to this SSIS.
I have a simple join query like this
select a.id from tbl_a a, tbl_b b where a.id = b.id and I want insert the result to my temp table.
the query results is 1500 rows.
but when I use merge join in SSIS, it only inserts to my temp table 4 rows.
I use inner join and I already set the IsSorted to true and specify the sort position for the columns in both source tables
In tbl_a, there are one million rows, in tbl_b, there are 2000 rows.
I don't know why the merge join cannot work out my task.Is there other way that I can just run this simple join query in SSIS to copy the data?
Please help, thanks in advance.
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Apr 30, 2008
Hello,
I have a Merge Join transformation and when i sort values in OLEDB source the merge join fails, but if i use a sort transformation it works! Why??
Best regards,
Fred
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Sep 29, 2006
Hi,
I have a SQL Statatment:
SELECT * FROM TABLE1 AS A
JOIN TABLE2 AS B
ON A.X= B.X
AND A.Y= B.Y
When i execute this code in sql server returns 549 lines. I created a package with two oledb sources one for each table, sorted the tables with fields X and Y after placed a Merge Join with the fields:
A.Y join B.Y order 1
A.X join B.X order 2
both fields with the Join Key checked
But my package return 411 lines.
What's happened?? :(
When a i have the code:
SELECT A.X, A.Y, B.X, B.Y
FROM TABLE1 AS A
JOIN TABLE2 AS B
ON A.X= B.X
When i did the join only one field SSIS worked fine, sql server returns 622 and SSIS returns 622 lines.
Please help-me...
Thanks,
André
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Nov 21, 2006
Hi guys! I'm trying to figure out how to join 3 tables, but I can't seem to find a solution. What I want to do is to put table 1, table 2 and table 3 into table_merged.
table_merged = table 1 + table 2 + table 3
Is it possible to merge tables even if they have different fields?
Please help.
Onegai shimasu...
Thanks in advance!
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Mar 27, 2006
i'm merge joining 2 data sources, one is oracle and the other is excel...the problem is in the oracle source, it's a sql statement like:
select hdr.div_ord_no, hdr.mtr_no, hdr.prod_cd
from qctrl_div_ord_header hdr,
(select max(sub.eff_dt_from) min_eff_dt_from, div_ord_no
from qctrl_div_ord_header sub
group by div_ord_no
) tmp
where hdr.eff_dt_from = tmp.min_eff_dt_from
and hdr.div_ord_no = tmp.div_ord_no
having that sql statement, merging will come out with 0 rows
however, having a simple query like:
select hdr.div_ord_no, hdr.mtr_no, hdr.prod_cd
from qctrl_div_ord_header hdr
merging will come out with 2 rows
you may think that the data in the first sql statement is not there for the merge, which causing the 0 rows, however, the data is there, i'm only joining by one column and definitely the data is there, the merge result should be 2 rows for both query statements
i believe this is a problem with SSIS, anyway around this?
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Mar 6, 2008
I am working on an ssis package and i find an problem while using the merge join for merging 2 OLEDB Data sources .
data source 1 is : - The table formed my an sal server comand , that out put is given to a multicast since i want to sare that output amoung 2o other tables.
So the the left input for the merge join is OLEDB source , which contains direct data from source table
I am usong Inner join on one column
The problem is i am not getting the expected rows as out put of merge .
I tried to join the two tables in sqlserver query window and i am getting expected result
What could be the problem
The first table is
Reservations.ReservationManual
second table is Out put of the following query
Select Distinct B.ReservationID as R
from Property.Main A ,Reservations.Reservations B ,Reservations.ReservationRooms C
Where
A.propertyID = B.PropertyId And
C.ReservationID = B.ReservationID And
getdate() >=C.Until +A.ReservationOffLineDays
i am not getting the expected result here in SSIS package merge join
But if i try to execute the following in query editer in management studio i am getting the expected result !!
declare @temp as table
(ResID Varchar(50)
)
Insert into @temp
(ResID)
Select Distinct B.ReservationID as R
from Property.Main A ,Reservations.Reservations B ,Reservations.ReservationRooms C
Where
A.propertyID = B.PropertyId And
C.ReservationID = B.ReservationID And
getdate() >=C.Until +A.ReservationOffLineDays
select * from Reservations.ReservationManual A , @temp b
Where A.reservationID = b.resID
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Oct 9, 2006
Hi,
I am trying to normalize data using the unpivot transform. I have to unpivot using more than one key so I have a multicast feeding into two unpivot transforms then into a sort transform. This is where my problem starts - I have tried using a Merge Join (inner Join) transform but dont get the expected result.
My original data looks like this:
Pk_ID
Choice1
Choice2
Feedback1
Feedback2
10
a
b
x
y
After the mulitcast - unpivot - Merge Join, the expected result is: (pk_newID is an identity)
Pk_newID
fk_ID
Choice
Feedback
563
10
a
x
564
10
b
y
However with a Merge-Join (inner join on pk_ID) I get
Pk_newID
fk_ID
Choice
Feedback
563
10
a
x
564
10
a
y
565
10
b
x
566
10
b
y
Is the Merge Join transform not the right choice?
Thanks
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Jan 10, 2008
I am trying to use the merge join example in the following link. To import new records only.
http://www.sqlis.com/311.aspx
The problem is that for some unkown reason the join is not woeking correctly. One of the records is incorrectly showing a NULL on the output. This would indicate that it would be a new record, but it is not it already exists in the new table.
I created a dummy table in SQL and executed the same join and I always get the right answer. What the heck could be wrong?
For example. Table A has 20 records Table B has 3 records. Table B has the new records I want to import into Table A. The package runs corectly the first time, only importing the 3 new records. Then the next time the package runs it shows 1 of the 3 records as being new still, and tries to import the record causing a PK error. Adding a watch to the MERGE output shows that the one record has a NULL on the join.
Please help this is driving me nuts.
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Mar 30, 2007
Hi, I'm using a Merge Join Component of Inner Join type to retrieve from the right pipeline some records to append to the ones coming from left pipeline according to the join citerias defined on the compnent.
Is there any way to know which are the records coming from the left pipeline that doesn't match the join criterias?
In the following I'll try to do an axample.
LF pipeline:
Column0 Column1 Column2
1 aaaa aa11
2 bbbb bb11
3 cccc cc11
4 dddd dd11
RT pipeline:
ColumnA ColumnB
1 aa22
4 dd22
On exiting from the MergeJoin, defining €œColumn0€? for LT as join key and €œColumnA€? for RT and as output data all the columns of the LT pipeline and the only ColumnB from the RT pipeline it should be obtained the following records:
Column0 Column1 Column2 ColumnB
1 aaaa aa11 aa22
4 dddd dd11 dd22
and the records from the LT pipeline:
2 bbbb bb11
3 cccc cc11
shouldn't go in the output from the Merge Join Component.
What I need to know is which are these last lines because I need to manage them.
Thanks!
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Oct 19, 2007
I'm trying to compare two fields between two tables using a Merge Join that runs into a conditional. This conditional sorts mismatched rows from validated ones but its returning incorrect mismatches (which means the mismatch is actually a match).
TABLE1 has two DT_STR fields with length 16 and TABLE2 had two DT_STR fields with length 32.
I've used a data conversion component to lengthen the first table's fields to a length of 32 but there still seems to be incorrect mismatches. For example TABLE1 had "AAA" and "BBB" and this appeared as a mismatch. If I used Query Analyzer to check TABLE2 for this criteria it would exist (which means it IS a match).
Is there any way to view hidden characters (i.e. carriage returns, tabs) in those fields? I've tried using RTRIM in my SQL Query for both my data sources and they still don't match up.
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Nov 7, 2006
I've run into something that looks like a bug to me but I wanted to run it by the board:
Merge join 2 sorted tables.
Table1: ColumnA : Sort Order 1, ColumnB Sort Order 2
Table2 : ColumnA: Sort Order 1, ColumnB Sort Order 2, ColumnC not sorted
Merge Join the two tables on ColumnA and ColumnB...
Choose the following as output columns
A + B + C = works
C = works
A + C = works
B + C = NOT work.. error message: The column with the SortKeyPosition value of 0 is not valid. It should be 2.
Basically if you choose one or more of the sorted columns in the output at least one of them has to be the column with Sort position 1 or you'll get that error.
Is this a bug or intentional? If you do not have sort column 1 in the output that output could no longer be considered sorted... so perhaps the error is related to that (instead of error I'd expect some warning about the sorting). Interesting that it lets you choose C only becuase that also makes the output unsorted.
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Mar 15, 2006
Hello,
I've got a problem with the merge join operator.
I'm trying to Join two tables using a left outer join.
Here are my tables :
TABLE AGENT
AGENT_CODE; REGION_ID; COUNTRY_ID
AA;01;01;
BB;01;01;
CC;01;02;
CC;02;02;
DD;01;01;
600 records in this table.
TABLE DELEGUE
AGENT_CODE; FIRST_NAME; LAST_NAME
AA; Maradona;Diego;
BB; Maradona;Diego;
DD; Zidane;Zinedine;
145 records in this table.
This is what i expect in my left outer join:
AGENT_CODE; REGION_ID; COUNTRY_ID;FIRST_NAME; LAST_NAME
AA;01;01;Maradona;Diego;
BB;01;01;Maradona;Diego;
CC;01;02;NULL;NULL
CC;02;02;NULL;NULL;
DD;01;01;Zidane;Zinedine
600 records in the destination table, with only 145 Not null first_name and last_name
The
issorted property has been set to true in the 2 sources tables, the
numkeyscolumns property is set to 1, and the join keys are both checked.
When i execute the sql query using the editor in sql server, the result is good, i've got what i've expected.
But
when i run the dataflow, the destination has got 600 records, but the
columns FIRST_NAME and LAST_NAME are not null only 8 times, the 592
other lines are NULL.
Could someone explain to me why i lost 145-8=137 FIRST_NAME and 145-8=137 LAST NAME ?
Thank you in advance.
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Nov 7, 2006
I need to take certain items of data from four different tables and out them into one table.
Unfortunately my source data's version of SQL does not support the LEFT JOIN keyword which has left me with a bit of a problem.
I saw the merge join in SSIS and used it to get data from two of the tables and stick them in the destination and it all worked fine.
That got me thinking, is it possible to create a second merge join transformation within the same data flow task for the remaining two tables and then join the output of both the merge joins to give me the data I need from all four tables in one output?
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Nov 16, 2006
Hi, All,
In the data flow of Intergration Service, my understanding is that the "Merge Join" only does the "join", there is no way to input the "where" clause. If I need to input the the "Where" clause or selection criteria, how should I do it in Integration Service?
TIA,
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May 5, 2006
All,
I want to use Merge Join to join two sources,
but the join condition should like this
and input1.servicedate <= input2.MonthFirstDay
and input2.MonthFirstDay <= getdate()
Does Merge Join support this or What€™s the best way to do it?
Thanks
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Apr 17, 2008
Hi,
i have 2 input files,those are sorted on account no field , i use to merge these 2 files data into 1 file.i took merge join trans.... with inner join but i didn't get the output fields ,plz help me regarding this issue.......
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Feb 14, 2007
Hi,
I have data coming from 2 sources
Source 1 (EmpId, EmpName, Hiredate, Salary)
Source 2 (MgrId, MgrName, IsActive, Date_Started, Wages)
I am only concerned about 3 common fields (Name, Date and Wages)
I have joined EmpName with MgrName, Hiredate with Date_Started, but when I select Wages in correspondence to Salary, it shows me the following error
===================================
Error at Manager_Detail [Merge data with adjustments (Salary) [11668]]: The metadata for "input column "Wages" (13852)" does not match the metadata for the associated output column.
Error at Manager_Detail [Merge data with adjustments (Salary) [11668]]: Failed to set property "OutputColumnLineageID" on "input column "Wages" (13852)".
(Microsoft Visual Studio)
All the datatypes are matching, but I dont know why this error occurs
Any help in this will sincerely be appreciated.
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May 25, 2006
Hi all,
Does anyone have suggestions for ways to deal with the chance that a merge join might receive empty inputs?
I've noticed that when this happens the transformation seems to hang. I changed the MaxBuffersPerInput to zero and this seems to cure the problem but I'm not sure it's the best way to deal with it.
Would it be a good idea to test the row counts with a conditional split before such a join?
Cheers,
Andrew
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Jun 21, 2006
Could Any body Please give me one example of each of three types of joins that is
Merge Join
Hash Join
Nested join
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