Event Driven Cache Refreshing Script

Aug 27, 2007

Hi,

Can someone share how to setup an event-driven cache refreshing option? The options provided from SSRS interface are based on a fixed schedule. If I would like to setup a dependency in determining when to refresh reports caching, based on the successful refreshing of the underlyinn SSAS cube, how can I achieve it?

Is there an utility/API provided by SSRS? Any samples scripts are very much appreciated.


Thanks,
Jet

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Event Source: Security
Event Category: Object AccessEvent ID: 560
Date: 5/23/2007
Time: 6:27:15 AM
User: domainuser
Computer: MACHINENAME
Description:
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Handle ID: -
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Process ID: 840
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Primary Domain: Domain
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Client User Name: User
Client Domain: Domain
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Connect to service controller
Enumerate services
Query service database lock state

Privileges: -
Restricted Sid Count: 0
Access Mask: 0x20015



Applied the following fix

http://support.microsoft.com/kb/907460/


Now we are getting



Event Type: Failure Audit
Event Source: Security
Event Category: Object Access
Event ID: 560
Date: 5/23/2007
Time: 10:51:23 AM
User: domainuser
Computer: MACHINE
Description:
Object Open:
Object Server: SC Manager
Object Type: SERVICE OBJECT
Object Name: MSSEARCH
Handle ID: -
Operation ID: {0,1627659603}
Process ID: 840
Image File Name: C:WINDOWSsystem32services.exe
Primary User Name: MACHINE$
Primary Domain: domain
Primary Logon ID: (0x0,0x3E7)
Client User Name: user
Client Domain: domain
Client Logon ID: (0x0,0x60D37C1A)
Accesses: READ_CONTROL
Query service configuration information
Query status of service
Enumerate dependencies of service
Query information from service
Privileges: - Restricted Sid Count: 0 Access Mask: 0x2008D

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tech ::

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Hello everybody,

I wrote a stored procedure for SqlServer 2000 and i am using it for paging purpose.
The procedure is as follows :

set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
ALTER PROCEDURE [dbo].[OLAP_PagedRows]
(
@SelectFields nVarchar(2000) =NULL,

@GroupByFields nvarchar(1000) =NULL,

@BaseTable varchar(100),

@KeyColumn nvarchar(200)=NULL ,

@JoinTables varchar(500) =NULL,

@ConditionalClause varchar(1000) =NULL,

@Pagesize int = 10,

@PageNumber int =1,

@SortExpression nvarchar(200)=NULL,

@SearchText nvarchar(200)=NULL

)

AS

BEGIN



DECLARE @SQLSTMT NVarchar(4000)

DECLARE @SQLSTMT1 NVarchar(4000)



SET @SQLSTMT1 = ''

--check whether page size is given null or not, if so set to default value

IF @Pagesize IS NULL OR @Pagesize = ''

BEGIN

SET @Pagesize =10

END

--check whether page number is given null or not, if so set to default value

IF @PageNumber IS NULL OR @PageNumber = ''

BEGIN

SET @PageNumber =1

END



--Start constructing the query --

SET @SQLSTMT = 'SELECT '

SET @SQLSTMT1 = 'DECLARE @CountValue INT SELECT @CountValue = count(*) From '+@BaseTable

SET @SQLSTMT = @SQLSTMT + @SelectFields + ' FROM '+@BaseTable

If @JoinTables Is Not Null

BEGIN

SET @SQLSTMT = @SQLSTMT + ' ' +@JoinTables

SET @SQLSTMT1 = @SQLSTMT1 + ' ' +@JoinTables

END

DECLARE @StmtWhereClause nvarchar(500)

SET @StmtWhereClause =''

--------------------- Get where conditional clause

If (@SearchText Is Not Null AND RTRIM(LTRIM(@SearchText))<>'')

BEGIN

SET @StmtWhereClause = @StmtWhereClause + ' WHERE ' + @SearchText

END





If @ConditionalClause Is Not Null AND RTRIM(LTRIM(@ConditionalClause))<>''

BEGIN

IF (@StmtWhereClause <> '')

BEGIN

SET @StmtWhereClause= @StmtWhereClause + 'AND ' +@ConditionalClause

END

ELSE

BEGIN

SET @StmtWhereClause = @StmtWhereClause + ' WHERE ' + @ConditionalClause

END

END



SET @SQLSTMT = @SQLSTMT + @StmtWhereClause

SET @SQLSTMT1 = @SQLSTMT1 + @StmtWhereClause

If @GroupByFields Is Not Null And RTRIM(LTRIM(@GroupByFields))<>''

BEGIN

SET @SQLSTMT = @SQLSTMT + ' Group By ' +@GroupByFields

SET @SQLSTMT1 = @SQLSTMT1 + ' Group By ' +@GroupByFields

END

IF @SortExpression Is Not Null AND RTRIM(LTRIM(@SortExpression))<>''

BEGIN

SET @SortExpression = LTRIM(RTRIM(' Order By '+ @SortExpression))

SET @SQLSTMT = @SQLSTMT +' '+ @SortExpression

SET @SQLSTMT1 = @SQLSTMT1 +' '+ @SortExpression

END

SET @SQLSTMT1= @SQLSTMT1+' SELECT @CountValue As MyRows '

--SELECT @SQLSTMT1

--SELECT @SQLSTMT

DECLARE @StartRow INT

SET @SQLSTMT = ' DECLARE temp_Cursor CURSOR SCROLL FOR '+@SQLSTMT

EXECUTE SP_EXECUTESQL @SQLSTMT

Open temp_Cursor

DECLARE @RowCount INT

SET @RowCount = 1

SET @startRow = (@PageSize * (@PageNumber-1))+@RowCount

--SELECT @startRow as 'Current Row'

WHILE @RowCount <= @PageSize

BEGIN

--Select @StartRow 'as @StartRow'

FETCH ABSOLUTE @startRow From temp_Cursor

SET @RowCount= @RowCount+1

SET @StartRow = @startRow + 1

END

deallocate temp_Cursor

EXECUTE SP_EXECUTESQL @SQLSTMT1



END

It is working fine but I have problem with this kind of paging. I need to load the whole data into the cursor and i have to fetch records. The problem is that my table's contains more than Half a million records in it. If I have to load each time this cursor it will be a very big problem on the server side.

Probably it may not be a best solution, but sqlserver 2000 cannot provide more help than this. If I use sub-query for this like using Top <Number> it adversly effecting the nature of the data retrieval.

One solution that I am thinking is Load cursor once and whenever some updations performed on those tables from which cursor is getting data should be automatically reflect the changes.

Is this possible? Please help me.

Regards

Andy Rogers









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