Multiple Expressions In Precedence Constraints

Jun 20, 2007

Is it possible in a precedence constraint to have multiple expressions evaluated? IE



Operation set to Expression and expression to evaluate is: @File = x or @File = y





Thanks

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Precedence Constraint Expressions

Jul 30, 2007



Hi all
I've got a package that checks the length of chars in a flatfile and if it's correct it executes the dataflow task.

How can i write an expression in the precedense constraint editor to skip the dataflow task if there is an error in the script task?


Thank you

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Precedence Constraints

Nov 7, 2007

Hello,
I've recently begun exploring Integration Services and have a question regarding a Control Flow element.

I'm trying to understand precedence constraints. Specificially, the logical AND and logic OR components. If I have two constaints A and B where A is using a logical AND and B is using a logical OR, how are the constraints evaluated? The Evaluation Operation is set to "Expression and Constraint" for both constraints.

If my understanding is correct, path A would be followed if both A AND B are true. Path B would be followed if A OR B is true. Is this correct?

Regards,
Orlanzo

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Disappearing Precedence Constraints

Jan 25, 2007

Has anyone seen precedence constraints disappear in a package after closing and opening again? In this case, it's not package-wide. Only constraints inside one Foreach Loop container disappeared. Any idea what causes this to happen?

p.s: Yes, I did Save All. Most of these contraints were saved in the package for more than a week anyway.

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Problem With Precedence Constraints

Aug 29, 2006

Hello,

I have a package that executes 2 sql tasks then another SSIS package. My precedence constraints between sql task 1 and sql task 2, and sql task 2 and the SSIS package check that @ErrorValue == 0.

@ErrorValue is set after each sql task (both of which execute stored procs) with the value of the output parameter for the stored proc. I have run both stored procs on the server and both return 0 in the output parameter.

When I run the package the two sql tasks execute as expected (tasks turn green indicating success) but the package stops at that point and the SSIS package task never executes.

If I remove the second sql task and connect the first sql task to the package task with the @ErrorValue == 0 precendence constraint the package task still does not execute (even though the constraint worked to get the sql task 2 to execute).

The package only runs if I remove the expression in the second precedence constraint (between sql task 2 and the package) thus changing it to simply 'on success'.

Please help!

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Objects In Precedence Constraints?

May 3, 2006

Is it possible to use objects in precedence constraints? For example, I have a collection object that may or may not be populated in a script at some point and want to be able to execute different paths depending upon whether the Count property equals zero or not.

I realize I could very easily just create another int variable and populate it accordingly, but I am just curious about this. I couldn't get it to work, but then I am really just starting out here and just not sure if I am doing it wrong.

Thanks!

Brandon

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Precedence Constraints And Sequence Containers

Jul 17, 2007

I have about 12 sequence containers mapped out to execute separately based on a precedence contraint and an expression. These lie at the same level and order in my sequence. Only one of these will execute based on an expression. After any of these executes, I have a consecutive sequence container that I'm attempting to execute. I've set the precedence contraint from all twelve of the prior sequence containers to this single sequence container that I would like to run after any of the 12. My problem is that the package will only allow one of these twelve sequence containers to become a precedence of this second single sequence container at a time. The package will let me graphically attach the precedence constraint from all 12 to this single sequence container, but when the package runs, it fails to follow through to this single sequence container. I'm trying to figure out why this is the case and how I can get what I would like to work -- work. Thanks.

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Conditional Workflow Via Precedence Constraints

Jan 3, 2008

I have three control flow tasks that are executing in consecutive order. Tasks 1 and 3 will always execute, but sometimes (based on an expression) task 2 will not. I would like to use precedence constraints in such a way that task 3 will execute regardless of whether task 2 executes, but in the event task 2 does execute, task 3 will only execute AFTER task 2 completes. Is there a way to accomplish this without setting the disabled property of task 2 at runtime?

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ScriptTask Not Running With Precedence Constraints

Dec 20, 2007

I have created a task that uses a ForEachFile Loop. Within that loop I load 5 files. Once those 5 files have loaded successfully I want to run a stored procedure. I placed this stored procedure into a script task. The script task has 5 precedence constraints,. They are a success on the load of the files. When I run the task, the 5 files load, but the script task will not start. I have gone so far as to check each load individually to see if it would start the script task, which they do. It's only when I add more than 1 precedence constraint that the script task will not run. The precedence constraints are set to AND, so they all are required. They all succeed. What am I doing wrong?

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Mar 17, 2006

Hey everyone,
I have used the set values option of the execute package utility many times to change values on variables in the package with no problem before, however have run into a stumbling block when coupling this with precedence constraints. I have a package that goes down a different path based on a precedence constraint that works perfectly if the default value of a variable is used....however when I pass in a new value via Set Values in the execute package utility the package will error out with this:

The expression "@[User::IVR_FLAG] == 1" must evaluate to True or False. Change the expression to evaluate to a Boolean value.

IVR_FLAG is an int with a default value of 1, and if left that way(or changing it to another value in the package, as long as the default is used) this error will not occur....it will go down the proper path. But when Set Values is used to run the package to change IVR_FLAG, the above error occurs, which doesn't make sense since the above expression should still evaluate to either true or false. Anyone have any thoughts or suggetions?
Thanks,
Adrian

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Aug 30, 2006

I had a Send email task linked to my Sequence Containers in my package and it was working fine. Everytime the container fails it would send an email to myself.

At some point all Failure constraints stopped working. Failure constraints work if I add brand new tasks, but with the existing tasks, they don't work. The Task which fails, turns red and execution stops. Next failure task is not executed.

I am not sure what triggered it to stop working. I cannot get anything on the log

Any help is appreciated.



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Oct 29, 2006

This is more a medium level annoyance than a problem. When I save a package, close it and later re-open it, the precendence constraints end up all over the place making my neatly layed out diagram a shambles.

Call me anally retentive if you like (you wont be the first ), but I find this extremely annoying. Does anybody else have this problem? Does anyone have a solution?

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Jun 15, 2007

hi all,

i have a package here which updates a DB from a flat file source.now the problem is i may get multiple files.i have used a for each loop to handle this. it takes files based on the files name9(file names has a timestamp in it).but i want to give files in order of its Creation time.

Please help me on this.i have written a script task before the for each loop and i have got the minimum creation date from all the files,i am not able to going forward from here.

does any body has an idea!!

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Multiple Expressions.

Apr 16, 2007

Good Morning all.

Is it possible to put multiple expressions in one cell.



Here is an example of the expressions I'm using. I'm currently having to put them horizontally in a seperate cell.



=Count(IIf (Trim(Fields!NOB_Pickup_L_D_T.Value) = "Y", 1, Nothing))

=Count(IIf (Trim(Fields!NOB_Pickup_L_D_T.Value) = "N", 1, Nothing))

=Count(IIf (Trim(Fields!NOB_Pickup_L_D_T.Value) = "NA", 1, Nothing))



Desired output will look sim to this in one cell







Y = 5

N = 3

NA = 0



Thanks,

Rick

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Multiple Expressions.

Apr 16, 2007

Good Morning all.

Is it possible to put multiple expressions in one cell.



Here is an example of the expressions I'm using. I'm currently having to put them horizontally in a seperate cell.



=Count(IIf (Trim(Fields!NOB_Pickup_L_D_T.Value) = "Y", 1, Nothing))

=Count(IIf (Trim(Fields!NOB_Pickup_L_D_T.Value) = "N", 1, Nothing))

=Count(IIf (Trim(Fields!NOB_Pickup_L_D_T.Value) = "NA", 1, Nothing))



Desired output will look sim to this in one cell







Y = 5

N = 3

NA = 0



Thanks,

Rick

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Dataset Filtering With Multiple Expressions

Sep 1, 2007

I would like to know how to dynamically change the And/Or value on the Filter tab within a dataset.

Here are my two expressions within the filter:




Code Snippet
=Switch(Parameters!TotalCostFilterOp.Value = "=",Fields!tcost.Value = Parameters!TotalCost.Value,Parameters!TotalCostFilterOp.Value = ">",Fields!tcost.Value > Parameters!TotalCost.Value,Parameters!TotalCostFilterOp.Value = ">=",Fields!tcost.Value >= Parameters!TotalCost.Value,Parameters!TotalCostFilterOp.Value = "between",Fields!tcost.Value >= Parameters!TotalCost.Value AND Fields!tcost.Value <= Parameters!TotalCost2.Value,Parameters!TotalCostFilterOp.Value = "ie", ISNothing(Fields!tcost.Value), Parameters!TotalCostFilterOp.Value= "<",Fields!tcost.Value < Parameters!TotalCost.Value,Parameters!TotalCostFilterOp.Value = "<=",Fields!tcost.Value <= Parameters!TotalCost.Value,Parameters!TotalCostFilterOp.Value = "<>",Fields!tcost.Value <> Parameters!TotalCost.Value)









Code Snippet
=Switch(Parameters!CompanyFilterOp.Value = "%",LCASE(Fields!company.Value) like "*" & LCASE(Parameters!Company.Value) & "*", Parameters!CompanyFilterOp.Value = "=",Fields!company.Value = Parameters!Company.Value, Parameters!CompanyFilterOp.Value = "ie", ISNothing(Fields!company.Value), Parameters!CompanyFilterOp.Value = "?", LCASE(Fields!company.Value) LIKE LCASE(Parameters!Company.Value), Parameters!CompanyFilterOp.Value = "<>", Fields!company.Value <> Parameters!Company.Value, Parameters!CompanyFilterOp.Value = "?%", LCASE(Fields!company.Value) LIKE LCASE(Parameters!Company.Value) & "*")






The operator for both these is set to "=", and the value is set to "=true".

Based on user selection in a report wizard, the 4th column (And/Or) may need to be changed from 'and' to 'or', or vice-versa.
Is there anyway to accomplish this programatically?

Thanks in advance for you help!

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Mar 14, 2008



Hi,

I have to create an expression that makes bold the text for some possibilities, otherwise the font will keep same, is there any staff for creating an expression like "IF ID_Name IN (x,y,z...) THEN bla-bla" like querying in SQL? Cuz I have to use multiple possibilites for same condition

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Multiple Select And Sum Expressions On The Same Table SQL…??

Oct 25, 2005

Little complex but I'll try to explain the best I canI have the following table…
 
UserID___Year___Month_____A1____A2____B1____B2
__1_______4______5______45_____5____43____0
__1_______4______6______10_____12___1_____3
__1_______5______5______12_____22___8_____7
__1_______5______6______11_____10___5_____0
 
__2_______4______5______9______65___33____66
__2_______4______6______3______3____10____11
__2_______5______5______44_____2___77_____1
 
 
I want to pull out the data to show the sum of the totals for each year the user is in. The idea is to then be able to see a comparison for year on year on a month by month basis
Eg.
 
UserID____TotalAYear4____TotalBYear4___TotalAYear5____TotalBYear5___Month
__1___________50_____________43___________34____________15__________5
__1___________22_____________4____________21____________5___________6
__2___________74_____________99___________21____________5___________5
 
 
There would be no data returned for UserID2 for month 6 as there is no data for them for year 5 month 6 therefore no comparison can be made.
 
I’ve having real difficulty getting the correct SQL syntax to do this. Any ideas or pointers would be great thanks

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Problems With Multiple Constraints

Oct 23, 2006

Hi all,

I am having a problem setting multiple constraints over a table from other table. To be more clear, I have the following code:

ALTER TABLE Solicitud_Servicio
DROP CONSTRAINT FK_Solicitud_Servicio_Domicilio;

ALTER TABLE Solicitud_Servicio
DROP CONSTRAINT FK_Solicitud_Servicio_Domicilio1;

ALTER TABLE Solicitud_Servicio ADD CONSTRAINT
FK_Solicitud_Servicio_Domicilio1 FOREIGN KEY
(
ID_Domicilio_Envio
) REFERENCES Domicilio
(
ID_Domicilio
) ON UPDATE CASCADE;

ALTER TABLE Solicitud_Servicio ADD CONSTRAINT
FK_Solicitud_Servicio_Domicilio FOREIGN KEY
(
ID_Domicilio_Facturacion
) REFERENCES Domicilio
(
ID_Domicilio
) ON UPDATE CASCADE;

As you see, I want an update on the field Domicilio.ID_Domicilio to change the fields Solicitud_Servicio.ID_Domicilio_Envio and Solicitud_Servicio.ID_Domicilio_Facturacion from my point of view there should be no problem and the weird part is that if I try this with only one constraint (either one) it works, as soon as I try to apply the other constraint I get a very annoying

The referential relationship will result in a cyclical reference that is not allowed?

Maybe Sql Server Mobile 2005 does not support multiple constraints on a table from the same other table?

Thanks,

Flaker

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Creating Multiple Foreign Key Constraints On A Key?

Feb 21, 2015

CREATE TABLE IssueLog (
ItemNo int NOT NULL IDENTITY PRIMARY KEY
REFERENCES IssueProgress (ItemNo)
ON UPDATE CASCADE
ON DELETE CASCADE,
REFERENCES Approvals(ItemNo)
ON UPDATE CASCADE
ON DELETE SET NULL,

Msg 142, Level 15, State 2, Line 0

Incorrect syntax for definition of the 'TABLE' constraint.

I'd like to update or delete the IssueProgress plus update and setting null to the Approvals tables at the same time whenever the ItemNo of the parent table namely IssueLog is updated or deleted.

How can I achieve this?

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Valid Expressions Are Constants, Constant Expressions, And (in Some Contexts) Variables. Column Names Are Not Permitted.

Dec 11, 2007

I want to have this query insert a bunch of XML but i get this error...


Msg 128, Level 15, State 1, Procedure InsertTimeCard, Line 117

The name "ExpenseRptID" is not permitted in this context. Valid expressions are constants, constant expressions, and (in some contexts) variables. Column names are not permitted.

Msg 128, Level 15, State 1, Procedure InsertTimeCard, Line 151

The name "DateWorked" is not permitted in this context. Valid expressions are constants, constant expressions, and (in some contexts) variables. Column names are not permitted.

What am i doing wrong...Can anyone help me out!! Thanks!!

p.s I know this query looks crazy...


Code Block

IF EXISTS (SELECT NAME FROM sysobjects WHERE NAME = 'InsertTimeCard' AND type = 'P' AND uid=(Select uid from sysusers where name=current_user))
BEGIN
DROP PROCEDURE InsertTimeCard
END
go
/*********************************************************************************************************
** PROC NAME : InsertTimeCardHoursWorked
**
** AUTHOR : Demetrius Powers
**
** TODO/ISSUES
** ------------------------------------------------------------------------------------
**
**
** MODIFICATIONS
** ------------------------------------------------------------------------------------
** Name Date Comment
** ------------------------------------------------------------------------------------
** Powers 12/11/2007 -Initial Creation
*********************************************************************************************************/
CREATE PROCEDURE InsertTimeCard
@DateCreated DateTime,
@EmployeeID int,
@DateEntered DateTime,
@SerializedXML text,
@Result int output
as
declare @NewTimeCardID int
select @NewTimeCardID = max(TimeCardID) from OPS_TimeCards
-- proc settings
SET NOCOUNT ON

-- local variables
DECLARE @intDoc int
DECLARE @bolOpen bit
SET @bolOpen = 0
--Prepare the XML document to be loaded
EXEC sp_xml_preparedocument @intDoc OUTPUT, @SerializedXML
-- check for error
IF @@ERROR <> 0
GOTO ErrorHandler
--The document was prepared so set the boolean indicator so we know to close it if an error occurs.
SET @bolOpen = 1


--Create temp variable to store values inthe XML document
DECLARE @tempXMLTimeCardExpense TABLE
(
TimeCardExpenseID int not null identity(1,1),
TimeCardID int,
ExpenseRptID int,
ExpenseDate datetime,
ProjectID int,
ExpenseDescription nvarchar(510),
ExpenseAmount money,
ExpenseCodeID int,
AttachedRct bit,
SubmittoExpRep bit
)
DECLARE @tempXMLTimeCardWorked TABLE
(
TimeCardDetailID int not null identity(1,1),
TimeCardID int,
DateWorked DateTime,
ProjectID int,
WorkDescription nvarchar(510),
BillableHours float,
BillingRate money,
WorkCodeID int,
Location nvarchar(50)
)
-- begin trans
BEGIN TRANSACTION
insert OPS_TimeCards(NewTimeCardID, DateCreated, EmployeeID, DateEntered, Paid)
values (@NewTimeCardID, @DateCreated, @EmployeeID, @DateEntered, 0)
-- check for error
IF @@ERROR <> 0
GOTO ErrorHandler


--Now use @intDoc with XPATH style queries on the XML
INSERT @tempXMLTimeCardExpense (TimeCardID, ExpenseRptID, ExpenseDate, ProjectID, ExpenseDescription, ExpenseAmount, ExpenseCodeID, AttachedRct, SubmittoExpRep)
SELECT @NewTimeCardID, ExpenseRptID, ExpenseDate, ProjectID, ExpenseDescription, ExpenseAmount, ExpenseCodeID, AttachedRct, SubmittoExpRep
FROM OPENXML(@intDoc, '/ArrayOfTimeCardExpense/TimeCardExpense', 2)
WITH ( ExpenseRptID int 'ExpenseRptID',
ExpenseDate datetime 'ExpenseDate',
ProjectID int 'ProjectID',
ExpenseDescription nvarchar(510) 'ExpenseDescription',
ExpenseAmount money 'ExpenseAmount',
ExpenseCodeID int 'ExpenseCodeID',
AttachedRct bit 'AttachedRct',
SubmittoExpRep bit 'SubmittoExpRep')
-- check for error
IF @@ERROR <> 0
GOTO ErrorHandler

-- remove XML doc from memory
EXEC sp_xml_removedocument @intDoc
SET @bolOpen = 0


INSERT OPS_TimeCardExpenses(TimeCardID, ExpenseRptID, ExpenseDate, ProjectID, ExpenseDescription, ExpenseAmount, ExpenseCodeID, AttachedRct, SubmittoExpRep)
Values(@NewTimeCardID, ExpenseRptID, ExpenseDate, ProjectID, ExpenseDescription, ExpenseAmount, ExpenseCodeID, AttachedRct, SubmittoExpRep)
select @NewTimeCardID, ExpenseRptID, ExpenseDate, ProjectID, ExpenseDescription, ExpenseAmount, ExpenseCodeID, AttachedRct, SubmittoExpRep
from @tempXMLTimeCardExpense
-- check for error
IF @@ERROR <> 0
GOTO ErrorHandler

-- For time worked...
INSERT @tempXMLTimeCardWorked(TimeCardID, DateWorked, ProjectID, WorkDescription, BillableHours, BillingRate, WorkCodeID, Location)
SELECT @NewTimeCardID, DateWorked, ProjectID, WorkDescription, BilliableHours, BillingRate, WorkCodeID, Location
FROM OPENXML(@intDoc, '/ArrayOfTimeCardWorked/TimeCardWorked', 2)
WITH ( DateWorked DateTime 'DateWorked',
ProjectID datetime 'ProjectID',
WorkDescription nvarchar(max) 'WorkDescription',
BilliableHours float 'BilliableHours',
BillingRate money 'BillingRate',
WorkCodeID int 'WorkCodeID',
Location nvarchar(50)'Location')
-- check for error
IF @@ERROR <> 0
GOTO ErrorHandler

-- remove XML doc from memory
EXEC sp_xml_removedocument @intDoc
SET @bolOpen = 0


INSERT OPS_TimeCardHours(TimeCardID, DateWorked, ProjectID, WorkDescription, BillableHours, BillingRate, WorkCodeID, Location)
Values(@NewTimeCardID,DateWorked, ProjectID, WorkDescription, BillableHours, BillingRate, WorkCodeID, Location)
select @NewTimeCardID ,DateWorked, ProjectID, WorkDescription, BillableHours, BillingRate, WorkCodeID, Location
from @tempXMLTimeCardWorked


-- commit transaction, and exit
COMMIT TRANSACTION
set @Result = @NewTimeCardID
RETURN 0

-- Error Handler
ErrorHandler:
-- see if transaction is open
IF @@TRANCOUNT > 0
BEGIN
-- rollback tran
ROLLBACK TRANSACTION
END
-- set failure values
SET @Result = -1
RETURN -1

go

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Nov 6, 2007

Hi all,

I want to retrieve the datas from the table with condition if DetailID is not null and DetailID is not guid.empty then it return only the DetailID = @DetailID

can any one help on this.

Thanks,
Sajith

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Jan 15, 2015

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Could like to know the reason.

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Jan 9, 2007

I know this is probably a flick of a switch but I cannot figure out which switch.  Setup is SQL Server / Stored Procedures / DAL / BLL(skipped for testing) / PL.  The stored procedure queries from only one table and two columns are ignored because they are being phased out.  I can run the stored procedure and preview the data in the DAL but when I create a page with an ODS linked to the DAL and a GridView I get this error.  I checked every column that does not allow nulls and they all have values.  I checked unique columns (ID is the only unique and is Identity=Yes in the table definition).  I checked foreign-key columns for values that are not in the foreign table and there are none.  Any ideas why do I get this? 
Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.

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Failed To Enable Constraints. One Or More Rows Contain Values Violating Non-null, Unique, Or Foreign-key Constraints.

Jan 17, 2008

Hi,
    I am getting the above error when trying to load a report into my Web Application, I have tracked the error down to one specific field in my database. Even though this field is a NVarChar field and is of size 30 it would seem that  there is an issue returning the value from the field. I can write it into the database no problems but when I try to get it out of the database it returns the above error.
e.g
MOB 401.908.804 - Fails
0401.907.324 - okay
8239 9082 (pager) - fails
Anyone got an idea on how to fix this????
Regards..
Peter.

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Mar 13, 2008

How is the column precedence determined when more then one column is included in the group by clause? I am using T-SQL.

for example:

SELECT VendorName, VendorState, SUM(Invoices.InvoiceTotal) AS InvoiceSum
FROM Vendors JOIN Invoices ON
Vendors.VendorID = Invoices.InvoiceID
GROUP BY VendorState, VendorName

I would expect this statement to group by VendorState first but my result set is grouping by VendorName and then VendorState.

Am I missing something?

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Jan 31, 2007

Hi there!

I've a few tasks in my dataflow. Some of them are executed depending on an precedence constrain. Works fine.

The problem is following: I want to write a success message (execute SQL task), when all the tasks who have been executed have done this with success. For example, i ve ten tasks, and 2 of them are executed (successfully). This is good, i want to execute my task to write the success message.

I tried to set these precedence constraints with EvalOP = ExpressionOrConstraint, Values = Success and an expression, what returns TRUE, when the task above is not executed (the condition from a precedence constraint above). But the task to write my message will never be executed, because it seems the task does'nt give any result (neither success nor failure) when they ar not executed, and so my AND-Constraint for the success message task will only get TRUE, when ALL task are executed (and successful).

Is there any chance to get somethink like "isSuccess OR IsNotExecuted" into a precedence constraint?

Thanks, Torsten

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May 22, 2008

hi all - this is the first time i've worked with SSIS / Business Intelligence, and I'm having an issue with a piece of basic functinoality.

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In the Business Intelligence design environment (Control Flow) for a specific dtsx package, I have two tasks that are linked together by a Precedence Constraint.

* Task A Truncates all data in Database B --> Table A
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Everything appears to be correct, but if i right-click Task A and perform an "Execute Task" command, Task A will run successfully, but then stops short without running Task B.

Are there any common "gotchas" or issues that I might be missing which would cause this behavior? I deleted the existing precedence constraint, and added back a new one with the same settings, but Task B still will not run.

thanks for any help on this

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Aug 7, 2006

Hello folks,

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My SQL taks is to truncate a table to receive the new data coming from the data flow task object. Instead 2 executes first and then 1. You can imagine producing an empty table was not my goal for this package.

Can anybody give me a clue?

Thanks....

Jim

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I'm having problems with the query below. It works fine until the "NOT IN" part and I'm not sure why. Basically, I'm getting records where their educ_audio field is set to "no". I've messed with the parens to try to force SQL to process the NOT IN part before the other clauses without avail. Can someone shed some light?

TIA

SELECT distinct contacts.fname, contacts.lname, contacts.company, contacts.contact_id, contacts.business_phone, contacts.emailAddress, contacts.dateLastContact FROM journal INNER JOIN contacts ON journal.contact_id = contacts.contact_id INNER JOIN products ON journal.product_code = products.product_code WHERE ( journal.product_code IN ('ABLE') ) OR (( journal.product_code IN ('JOBS') ) AND ( journal.product_status IN ('12','14','15') )) OR (( products.prod_design IN ('audio') ) AND ( products.library_code IN ('hrss') )) AND (journal.journal_id NOT IN (SELECT journal.journal_id FROM journal INNER JOIN contacts ON journal.contact_id = contacts.contact_id INNER JOIN products ON products.product_code = journal.product_code where ( contacts.educ_audio IN ('no') ) )) ORDER BY contacts.lname asc, contacts.fname

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Dec 20, 2007

I have two packages - one works, the other doesn't. Both have two tasks: an Execute SQL Task and a dependent Send Mail Task. I am using a precedence constraint where the evaluation operation is an expression evaluating a variable created by a select count(*) as variable in the query. Both variables are defined as int32, initial value of 0 with a scope for the entire package.

The expression that works tests for an error_counts > 0 condition; the one that doesn't tests for load_counts < 24. The > 0 sends mail when the error_count is greater than 0 but doesn't send mail when it is 0, which is as I intended. The less than 24 package always sends mail even though the variable resultset_singlerow is usually 24. When I look at both properties for the Execute SQL Task steps side by side, they have no differences. When I look at the properties for the constraint, the only difference is in the EvaluatesTrue, which is set to False for the one that works and True for the one that doesn't. Unfortunately, that property is grayed out (not modifiable) and doesn't seem to be an option when I edit via the Precedence Constraint Editor.

I've looked a Books Online & Google with no references to a similar situation. Does anyone have a solution? Is the EvaluatesTrue the problem? And if it is, how can I change the setting? If not, what is the problem?

Thanks in advance for any help.

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String Matching Precedence

May 2, 2006

An application filters records based on names found in them. Forexample, looking through property buyer names, looking for banks andrelocation companies.I have a table of names and patterns:CREATE TABLE #Filters (Pattern varchar(100), IfWildCard int, Categoryint)INSERT #Filters SELECT 'Bank Of America', 0, 1INSERT #Filters SELECT '% Bank %', 1, 2INSERT #Filters SELECT 'Bank %', 1, 2INSERT #Filters SELECT '% Bank', 1, 2INSERT #Filters SELECT 'Credant Reloc%', 1, 3INSERT #Filters SELECT '%Relocation%, 1, 3The filtering matches the table of candidate names against the filters,and returns Category, where the where clause or join is(Candidate = Pattern AND IfWildCard = 0)OR (Candidate LIKE Pattern AND IfWildCard = 1)"Bank of America" matches an exact pattern, and also a wildcardpattern, and the two different matches give different values forCategory. Is there a way to control which match takes precedence, oris necessary to do it multiple times in the desired order, removingthose that hae already matched from consideration?Thanks,Jim Geissman

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Problem With Precedence Expression

Aug 21, 2007

Hello,
I have a SQL Task the executes the following statement;

SELECT COUNT(SettleDate) AS CountResult
FROM SettleDateCount

I have the SQL Task Editor configured for a Single Row result set. The Result Name is CountResult, and the variable it populates is RowCountRes. RowCountRes is Int32 with EvaluateAsExpression set to False.

I have a boolean variable called RowCountStatus. It evaluates as the following expression;

@[User::RowCountRes] > 1

From the SQL Task, I have two different constraints, both of which evaluate with an expression. One constraint evaluates this way; @[User::RowCountStatus] = True
The other evaluates this way; @[User::RowCountStatus] = False

The idea is that if the count comes back from the sql statement greater than 1 then execution continues down one path, else it goes down the other path. Currently, the result comes back = 1. I expect that the 'False' path will execute, but the 'True' path executes instead.

What am I doing wrong?

Thank you for your help!

cdun2

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