Unintuitive Behaviour With FailPackageOnFailure && FailParentOnFailure

May 24, 2007

I would expect that these 2 properties would have the same effect when the parent of the task in question is the package container (i.e. there are no sequence/for each/for loop containers between the task in question and the package). This is not the case.



Here's a simple demo. I have a package which uses a checkpoint file. It has 3 tasks with OnSuccess precedence constraints:



[Succeeds1]-->[Fails]-->[Succeeds2]



I set all 3 tasks to have FailPackageOnFailure=TRUE. The package fails on task [Fails] and upon restart [Succeeds1 is not executed and [Fails] will fail again. This is all as expected.



HOWEVER, if [Fails] has FailPackageOnFailure=FALSE and instead FailParentOnFailure=TRUE we don't get the same behaviour. The checkpoint file never gets written and upon restart [Succeeds1] will always get executed. This is nOT expeced behaviour (not by me anyway).



It seems strange to me that FailPackageOnFailure & FailParentOnFailure cause different behaviour when the parent of the task is the package itself. Surely in this scenario these properties should have the same effect?



Can anyone from MSFT explain why they are different?



Thanks

Jamie



P.S. I can provide a demo package. Just email me!



[Microsoft follow-up]

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FailParentOnFailure Not Working?

Jan 13, 2006

I have a script task inside a sequence container with the FailParentOnFailure = 'false' and the FailPackageOnFailure = 'false'.  However, when I deliberately fail the task ("Dts.TaskResult = Dts.Results.Failure") the sequence container and the package still report failure.  Any thoughts?

Thanks

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Mar 31, 2008

I have a package that executes a number of tasks includng executing other packages. In one of the sub-packages, I am looping through a directory, processing files in that directory, and copying the files to another directory after completion using a for each file enumerator and file system task. The file system task has a failure precedence constraint leaving it going into a script task which simply pops up a message box saying that an error occurred.

What I am trying to do is to allow the sub package (and parent package) to continue execution if there is an error during the file system task. This question really is unrelated to the file system task specifically... in general, how can an error be ignored and execution not stop?

On the file system task, I've set MaxErrorCount = 0 and FailParentOnFailure and FailPackageOnFailure are set to False. With MaxErrorCount = 0, the file system task itself does not fail but its parent container (the for each file enumerator) does. This failure then propogates all the way up to the parent package and execution stops. I have gotten around this by setting MaxErrorCount = 0 also on the for each file enumerator, the execute package task, and all its ancestors going all the way up to the root of the main package. This works, but maintaining this would be a nightmare. Setting MaxErrorCount = 0 and FailParentOnFailure = False at the point only where I expect the error seems like it should be enough but it obviously is not. What am I missing here?

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This Task Or Container Has Failed, But Because FailPackageOnFailure Property Is FALSE, The Package Will Continue.

Apr 5, 2007

This task or container has failed, but because FailPackageOnFailure property is FALSE, the package will continue. This warning is posted when the SaveCheckpoints property of the package is set to TRUE and the task or container fails.



I have just spotted the message above in one of my log files.



I've never noticed it before. Is it new in SP1? I'm guessing it must be.



If so - good job. This is a very important addition because the behaviour of checkpoints without setting FailPackageOnFailure=TRUE is not intuitive (in my opinion).



-Jamie

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Oct 3, 2006

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Karl

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Jul 5, 2004

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The weird thing is:
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Dec 2, 2005

Hi there,
I wonder if one of you worthy folks can help me out with some strange behaviour exhibited by a piece of SQL. Its my first post here , so please be gentle. :)

Here is my simple example :-

<my test table>

create table test
(ind int,
message varchar(255))

insert into test (ind, message) values
(1,'date=01/06/2006')

insert into test (ind, message) values
(1,'date=20/12/2005')
insert into test (ind, message) values
(2,'test')

The first query is

select * from test t1
where t1.ind in (select max(ind) from test t2
where t2.ind = t1.ind
and t2.message like 'date=%' )

fine.... 2 rows

second query

select * from test t1
where t1.ind =1
and convert(datetime, (SUBSTRING(Message, CHARINDEX('=',Message,0)+1, 10)),103) > getdate()

fine same 2 rows...

but If I try to combine the 2 clauses in


select * from test t1
where t1.ind in (select max(ind) from test t2
where t2.ind = t1.ind
and t2.message like 'date=%' )
and convert(datetime, (SUBSTRING(Message, CHARINDEX('=',Message,0)+1, 10)),103) > getdate()


I get a
Server: Msg 241, Level 16, State 1, Line 1
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Please can anyone help me on this?

thanks

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Mar 23, 2007

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USE AdventureWorks;

GO

DECLARE @SortExpression Varchar(50)

Set @SortExpression = 'SalesPersonID ASC';

WITH Sales_CTE (RowNumber, SalesPersonID, NumberOfOrders, MaxDate)

AS

(

SELECT

ROW_NUMBER() OVER(Order by @SortExpression) RowNumber,

SalesPersonID, COUNT(*), MAX(OrderDate)

FROM Sales.SalesOrderHeader

GROUP BY SalesPersonID

)

Select * From Sales_CTE;





WITH Sales_CTE1 (RowNumber, SalesPersonID, NumberOfOrders, MaxDate)

AS

(

SELECT

ROW_NUMBER() OVER(Order by SalesPersonID ASC) RowNumber,

SalesPersonID, COUNT(*), MAX(OrderDate)

FROM Sales.SalesOrderHeader

GROUP BY SalesPersonID

)

Select * From Sales_CTE1

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Aug 8, 2007



Hi,

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Regards
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Here is the DDL for the table






Code Block

CREATE TABLE [Products] (
[ProductId] INT IDENTITY(1,1) NOT NULL ,
[ArrivalDate] DATETIME ,
[Name] NVARCHAR(100) ,
[CategoryId] INT,
CONSTRAINT [PK_Products] PRIMARY KEY
(
[ProductId]
)
)
;
CREATE INDEX IDX_ProductArrival
ON [Products]
([ArrivalDate], [Name], [CategoryId])
;


--insert some sample data


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And here is the code I'm using




Code Block

using System;
using System.Data.SqlServerCe;
using System.Data;

namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
using (SqlCeConnection conn = new SqlCeConnection(@"data source=d:mydb.sdf"))
{
conn.Open();

int counter = 0;
using (SqlCeCommand cmd = new SqlCeCommand("products", conn))
{

cmd.CommandType = CommandType.TableDirect;
cmd.IndexName = "IDX_ProductArrival";

object[] start = new object[3];
object[] end = new object[3];

start[0] = new DateTime(2008, 1, 22, 0, 0, 0);
start[1] = "PC 2";
start[2] = 2;

end[0] = new DateTime(2008, 1, 22, 23, 59, 59);
end[1] = "zzzzzzzzzzzzzzz";
end[2] = 3;

cmd.SetRange(
DbRangeOptions.InclusiveStart | DbRangeOptions.InclusiveEnd,
start, end);

using (SqlCeDataReader reader = cmd.ExecuteReader())
{
while (reader.Read())
{
counter++;
}
}
}

conn.Close();
Console.WriteLine("Row count {0}", counter); //should show row count 2 but shows row count 3 instead
}

Console.ReadKey();
}
}
}
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Am I missing something here?

Thanks

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4
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Hi

It may be the stupid mos question but i am stucked badly.

I am having data like this.








Table 1

Table 2

data

data



data



data
Now i am performing a outer join like

select * from table 1
full outer join table2
on table1.data=table2.data.

What output i am expecting is







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Table 2

data

data

NULL

data

NULL

data
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Table 2

data

data

data

data

data

data
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FYI, in the Unit Test I use the following connection string :


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go
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go

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- tempdb
- MyUnitTestDatabase (the original db copied and used by the Unit Tests. It's not ReadOnly)
- 1E6AA4A60F3733D37F016842D4626B8B_X34058MYSERVICETESTRESULTSX34058_N17400 2008-03-12 17_22_03OUTMYUNITTESTDATABASE.MDF
- ADA9F382DFBC95C8334EF95336C98274_X34058MYSERVICETESTRESULTSX34058_N17400 2008-03-12 17_13_57OUTMYUNITTESTDATABASE.MDF
- F00BF38C8BB8F07D37FCC4E918CF815E_X34058MYSERVICETESTRESULTSX34058_N17400 2008-03-12 17_10_04OUTMYUNITTESTDATABASE.MDF

When executed, the script mentioned above displays sometimes all the databases and sometimes only the 4 first databases ?!?!

I did a demo to various colleagues here, pressing F5 many times in the Script windows. It's seems taht it displays 4 names or 8 names "at random"... (I always wait for the message "Query executed successfully" before pressing again F5).

I have to understand the problem here because I use sp_MSForEachDB to detach all the databases at the end of the Unit Tests and it also fails from time to time...

Thx in advance for any tip that could help me in finding the origin of this problem

V.

PS. : FYI, here is the stored proc I use to automatically detach the databases at the end of the unit tests


declare @spid int
declare @killstatement nvarchar(10)
IF @database like '%TESTRESULTS%'
BEGIN


-- Declare a cursor to select the users connected to the specified database
declare c1 cursor for select request_session_id
from sys.dm_tran_locks
where resource_type='DATABASE' AND DB_NAME(resource_database_id) = @database
open c1
fetch next from c1 into @spid
while @@FETCH_STATUS = 0
begin

-- Don't kill the connection of the user executing this statement
IF @@SPID <> @spid
begin

-- Construct dynamic sql to kill spid
set @killstatement = 'KILL ' + cast(@spid as varchar(3))
exec sp_executesql @killstatement
end
fetch next from c1 into @spid
end
close c1
deallocate c1

exec msdb.dbo.sp_delete_database_backuphistory @database
exec master.dbo.sp_detach_db @database, 'true'
END
END

Possibly I was not detaching the databases in a "clean way" and my system databases are now corrupted ? Is such a case, what should I do in addition to the code here above to correctly detach the databases ?

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SqlDataSourceEnumerator Weird Behaviour

Mar 27, 2007

Hi all,
I'm encountering a weird behaviour:
I have a .NET application that should allow to select Server and Catalog to install a DB.

I create a mask similar to the one in SQL Server, so i have to fill the Server DropDownList.
This is my code:
SqlDataSourceEnumerator instance = SqlDataSourceEnumerator.Instance;
System.Data.DataTable table = instance.GetDataSources();
foreach (System.Data.DataRow row in table.Rows)
{
string strDBName, strInstance = row[1].ToString();
if ((strInstance == null) || (strInstance == ""))
strDBName = String.Format("{0}", row[0]);
else
strDBName = String.Format("{0}\{1}", row[0], strInstance);
Program.WriteLog("Row: " + row[0] + ", " + row[1] + " (" + row[3] + ")");
}
Program.WriteLog just writes a string on the log file

Sometimes I need to restart the SqlServer so I Run
CtrlDatabase = new ServiceController(strServiceName);
CtrlDatabase.Stop();
CtrlDatabase.Start();
With the obvious checks

Well the first time, before restarting, the log file is
Row: WKS08, COMPACS (8.00.194)
However if i run Stop & Start the log file is
Row: WKS08, ()
SqlDataSourceEnumerator seems to be not more able to read data.
Why? How can i fix it?

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