Ooops... should be "create procedure" ... :)
> Hey Patti,
> Try this stored procedure:
> alter procedure sp_fetchNullColumnNames
> @tablename sysname,
> @pk sysname,
> @uid int,
> @schema sysname = 'dbo'
> AS
> declare @colname sysname;
> declare @strSQL nvarchar(1000);
> create table #c ( column_name sysname);
> insert into #c
> select column_name from information_schema.columns
> where table_schema = @schema and table_name = @tablename;
> declare curColumn cursor local fast_forward for
> select column_name from #c;
> open curColumn;
> fetch next from curColumn into @colname;
> while (@@fetch_status = 0) begin
> set @strSQL = ('if ((select ' + @colname + ' from ' + @schema + '.' +
> @tablename
> + ' where ' + @pk + ' = ' + convert(nvarchar,@uid) + ') IS NULL) '
> + ' delete from #c where column_name = ''' + @colname + '''');
> print @strSQL;
> exec sp_executesql @strSQL;
> fetch next from curColumn into @colname;
> end
> close curColumn;
> deallocate curColumn;
> select * from #c;
> drop table #c;
> go
>> Ok, I'm willing to give this a try... but I still have a question.
>> My real table has 27 columns. I never know which columns will be null.
>> Does that mean I want a case statement for each column that could
>> possibly
>> be null then?
>> It seems like the select statment here is directly tailored to the
>> example
>> I
>> used below... I will never know that much detail beforehand. I only put
>> the
>> example to give a visual of what I may need to return.
>> If I send in primary key 1 then I want to return columns 3 and 4, but
>> only
>> if they acutally are null. The next time I run the query I'd be sendign
>> in
>> primary key 2 and in that case I'm returning columns 1, 3 and 4.
>> So, I just wanted to check ... Can you explain how this is actually
>> working?
>> Is it relying on my explictly stating which columns I'm returning at any
>> one
>> time? If it is, then it's still not what I'm looking for. And perhaps
>> what
>> I'm looking for isn't possible.
> S. Isaac Dealey
> Certified Advanced ColdFusion 5 Developer
> www.turnkey.to
> 954-776-0046
>
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