Executing a dynamic tsql stored procedure keeps on executing and not finishing:

  • /****** Object: StoredProcedure [dbo].[spQMS_FetchStrataSummary] Script Date: 8/4/2013 9:05:25 AM ******/

    SET ANSI_NULLS ON

    GO

    SET QUOTED_IDENTIFIER ON

    GO

    -- =============================================

    --

    -- =============================================

    /*

    declare @pEmployeeIDs udtEmployeeIDs

    insert into @pEmployeeIDs values(1836)

    exec spQMS_FetchStrataSummary @pEmployeeIDs,'2013-08-02','2013-08-02',33,'BatchNo','E'

    */

    ALTER PROCEDURE [dbo].[spQMS_FetchStrataSummary]

    @pEmployeeIDs udtEmployeeIDs readonly,

    @pWorkedDateFrom date,

    @pWorkedDateTo date,

    @pProjectProcessID smallint,

    @pGroupBy varchar(500),

    @pMode char(1)='I'

    AS

    BEGIN

    SET NOCOUNT ON;

    declare @StrataSummary nvarchar(4000),@ViewName varchar(500),@Columns varchar(8000),@GroupByCount tinyint,@GroupBy varchar(500)

    declare @JoinCondition varchar(8000),@Condition varchar(8000),@ViewCondition varchar(100),@ClientSubClientID int

    set @GroupBy=@pGroupBy

    select

    @ClientSubClientID=pqs.ClientSubClientID

    from tblProcessQCStructure pqs

    where pqs.ProcessStructureID=@pProjectProcessID -- used to filter client wise data in view

    if((select IsSameAs from tblProcessQCStructure where ProcessStructureID=@pProjectProcessID) is not null)

    begin

    select

    @pProjectProcessID=pqs.IsSameAs

    from tblProcessQCStructure pqs

    where pqs.ProcessStructureID=@pProjectProcessID -- used to get root resource

    end

    select

    @ViewName=DatabaseName+'.'+SchemaName+'.'+ViewName,

    @ViewCondition=case when Condition is null then '' else ' and ' + Condition end

    from dbo.tblProcessDataSource

    where ProcessID=@pProjectProcessID

    select @GroupByCount= 2-(LEN(@pGroupBy) - LEN(REPLACE(@pGroupBy, ',', '')))

    while(@GroupByCount>0)

    begin

    set @GroupBy=@GroupBy+',NULL as Column'+CONVERT(varchar, @GroupByCount)

    set @GroupByCount=@GroupByCount-1

    end

    if(@ViewName is not null)

    begin

    if(@pMode='I')

    begin

    if not exists

    (

    select 1

    from tblProcessQCColumns

    where SourceColumn='FFMTransactionCount'

    and ProcessID=@pProjectProcessID

    )

    begin

    set @StrataSummary ='

    select '+@GroupBy+',

    COUNT(*) as [Count],

    COUNT(*) as [TobeQcd]

    from '+@ViewName+' trn

    where WorkedBy in(select EmployeeID from @pEmployeeIDs)

    and (trn.ProcessID='+convert(varchar(50),@ClientSubClientID) +' or trn.ProcessID is null)

    and CONVERT(date,WorkedDate) between '''+CONVERT(varchar,@pWorkedDateFrom)+''' and '''+CONVERT(varchar,@pWorkedDateTo)+'''

    '+@ViewCondition+'

    group by '+@pGroupBy+'

    order by '+@pGroupBy

    exec sp_executesql @StrataSummary,N'@pEmployeeIDs udtEmployeeIDs readonly',@pEmployeeIDs

    select @StrataSummary

    end

    else

    begin

    set @StrataSummary ='

    select '+@GroupBy+',

    SUM(ISNULL(FFMTransactionCount,0)) as [Count],

    SUM(ISNULL(FFMTransactionCount,0)) as [TobeQcd]

    from '+@ViewName+' trn

    where WorkedBy in(select EmployeeID from @pEmployeeIDs)

    and (trn.ProcessID='+convert(varchar(50),@ClientSubClientID) +' or trn.ProcessID is null)

    and CONVERT(date,WorkedDate) between '''+CONVERT(varchar,@pWorkedDateFrom)+''' and '''+CONVERT(varchar,@pWorkedDateTo)+'''

    '+@ViewCondition+'

    group by '+@pGroupBy+'

    order by '+@pGroupBy

    exec sp_executesql @StrataSummary,N'@pEmployeeIDs udtEmployeeIDs readonly',@pEmployeeIDs

    --print(@StrataSummary)

    end

    end

    else

    begin

    if not exists

    (

    select 1

    from tblProcessQCColumns

    where SourceColumn='FFMTransactionCount'

    and ProcessID=@pProjectProcessID

    )

    begin

    select

    @JoinCondition=COALESCE(@JoinCondition+' and ','')+'ISNULL(CONVERT(varchar(1000),trn.['+pqc.SourceColumn+']),'''')=ISNULL(CONVERT(varchar(1000),qms.['+qc.ColumnName+']),'''')'

    from dbo.tblProcessQCColumns pqc

    inner join dbo.tblQCColumns qc

    on qc.ColumnID=pqc.ColumnID

    where pqc.ProcessID=@pProjectProcessID

    and pqc.IsMatchingColumn=1

    select

    @Condition=COALESCE(@Condition+' and ','')+'qms.['+qc.ColumnName+'] is null'

    from dbo.tblProcessQCColumns pqc

    inner join dbo.tblQCColumns qc

    on qc.ColumnID=pqc.ColumnID

    where pqc.ProcessID=@pProjectProcessID

    and pqc.IsMatchingColumn=1

    set @StrataSummary =

    '

    select '+@GroupBy+',

    COUNT(*) as [Count],

    COUNT(*) as [TobeQcd]

    from '+@ViewName+' trn

    left outer join tblEmployeeTransactions qms

    on '+@JoinCondition+'

    inner join @pEmployeeIDs emp

    on emp.EmployeeID=trn.WorkedBy

    where

    (trn.ProcessID='+convert(varchar(50),@ClientSubClientID) +' or trn.ProcessID is null)

    and CONVERT(date,WorkedDate) between '''+CONVERT(varchar,@pWorkedDateFrom)+''' and '''+CONVERT(varchar,@pWorkedDateTo)+'''

    and ' +@Condition+ '

    '+@ViewCondition+'

    group by '+@pGroupBy+'

    order by '+@pGroupBy

    --print @StrataSummary

    exec sp_executesql @StrataSummary,N'@pEmployeeIDs udtEmployeeIDs readonly',@pEmployeeIDs

    select @StrataSummary

    end

    else

    begin

    select

    @JoinCondition=COALESCE(@JoinCondition+' and ','')+'ISNULL(CONVERT(varchar(1000),trn.['+pqc.SourceColumn+']),'''')=ISNULL(CONVERT(varchar(1000),qms.['+qc.ColumnName+']),'''')'

    from dbo.tblProcessQCColumns pqc

    inner join dbo.tblQCColumns qc

    on qc.ColumnID=pqc.ColumnID

    where pqc.ProcessID=@pProjectProcessID

    and pqc.IsMatchingColumn=1

    select

    @Condition=COALESCE(@Condition+' and ','')+'qms.['+qc.ColumnName+'] is null'

    from dbo.tblProcessQCColumns pqc

    inner join dbo.tblQCColumns qc

    on qc.ColumnID=pqc.ColumnID

    where pqc.ProcessID=@pProjectProcessID

    and pqc.IsMatchingColumn=1

    set @StrataSummary =

    '

    select '+@GroupBy+',

    SUM(ISNULL(FFMTransactionCount,0)) as [Count],

    SUM(ISNULL(FFMTransactionCount,0)) as [TobeQcd]

    from '+@ViewName+' trn

    left outer join tblEmployeeTransactions qms

    on '+@JoinCondition+'

    where WorkedBy in(select EmployeeID from @pEmployeeIDs)

    and (trn.ProcessID='+convert(varchar(50),@ClientSubClientID) +' or trn.ProcessID is null)

    and CONVERT(date,WorkedDate) between '''+CONVERT(varchar,@pWorkedDateFrom)+''' and '''+CONVERT(varchar,@pWorkedDateTo)+'''

    and ' +@Condition+ '

    '+@ViewCondition+'

    group by '+@pGroupBy+'

    order by '+@pGroupBy

    exec sp_executesql @StrataSummary,N'@pEmployeeIDs udtEmployeeIDs readonly',@pEmployeeIDs

    end

    end

    end

    print(@StrataSummary)

    END

  • It's not clear what your question is, but if your procedure keeps looping and not terminating, add debug PRINT/SELECT to see how the code is (not) progressing.

    Tip: rather than

    ['+pqc.SourceColumn+']

    use

    quotename(pqc.SourceColumn)

    quotename adds the brackets, and doubles any right brackets in the name.

    [font="Times New Roman"]Erland Sommarskog, SQL Server MVP, www.sommarskog.se[/font]

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