declaring a variable

I am learning T-SQL syntax and I am very familiar with it, however how would I do the following:

We have a table that actually has a column that contains SQL statements. I want to build a SQL statement in Reporting Services that is going to take that column to build a "dynamic" SQL statment and then I will use the exec sp_executesql statement.

Do I need to declare a parameter, or in SQL is there such thing as a variable?

So if I have:

DECLARE @.sql nvarchar(4000)

SELECT AdHocSQL from TheTable

SET @.sql=AdHocSQL

Would this work? Is this syntatically correct? Or should I be doing this some other way?

The report is sort of a summary report that has about 250 different items and each item has different data to get from different tables.

Thanks for the information.

You 'almost' have it down.

Code Snippet

DECLARE @.SQL nvarchar(4000)

SELECT @.SQL = AdHocSQL

FROM MyTable

WHERE {criteria}

EXECUTE sp_executesql @.SQL

|||Thanks for the help. I do appreciate it.

declare syntax in a UDF

Hi, I'm trying to create a function that returns a table, however I want
to use a local variable in there and enterprise manager ain't liking it!

The error I get is number 156 'incorrect syntax near the keyword
'declare'.. hopefully this is just a simple thing where I've put it in
the wrong place.

The code follows:

CREATE FUNCTION AFGroupedTotals (@.campaign nvarchar(30),@.datefrom
smalldatetime, @.dateto smalldatetime, @.prospect nvarchar(30), @.type
nvarchar(20))

RETURNS TABLE AS
RETURN

declare @.set nvarchar(150)

select "Total Pledged" as info, sum(total) as tot
FROM AFresponseTotals (@.campaign, @.datefrom, @.dateto,@.prospect)

Cheers for any help,
Chris"Not Me" <Noone.is.home@.here.com> wrote in message
news:ckoccr$olo$1@.ucsnew1.ncl.ac.uk...
> Hi, I'm trying to create a function that returns a table, however I want
> to use a local variable in there and enterprise manager ain't liking it!
> The error I get is number 156 'incorrect syntax near the keyword
> 'declare'.. hopefully this is just a simple thing where I've put it in the
> wrong place.
> The code follows:
> CREATE FUNCTION AFGroupedTotals (@.campaign nvarchar(30),@.datefrom
> smalldatetime, @.dateto smalldatetime, @.prospect nvarchar(30), @.type
> nvarchar(20))
> RETURNS TABLE AS
> RETURN
> declare @.set nvarchar(150)
> select "Total Pledged" as info, sum(total) as tot
> FROM AFresponseTotals (@.campaign, @.datefrom, @.dateto,@.prospect)
>
> Cheers for any help,
> Chris

You seem to be mixing inline and multi-statement syntax. If you just say
RETURN TABLE, then the rest of the function can only be a single SELECT
statement; if you want to use multiple statements in the function, then you
must define the structure of the table you're returning. See the examples in
Books Online under CREATE FUNCTION.

In your function, you haven't defined the structure of the returned table,
so the only thing you can have in the body of the function is a single
SELECT.

Simon|||Simon Hayes wrote:
> "Not Me" <Noone.is.home@.here.com> wrote in message
> news:ckoccr$olo$1@.ucsnew1.ncl.ac.uk...
>>The error I get is number 156 'incorrect syntax near the keyword
>>'declare'.. hopefully this is just a simple thing where I've put it in the
>>wrong place.
>>
>>The code follows:
>>
>>CREATE FUNCTION AFGroupedTotals (@.campaign nvarchar(30),@.datefrom
>>smalldatetime, @.dateto smalldatetime, @.prospect nvarchar(30), @.type
>>nvarchar(20))
>>RETURNS TABLE AS
>>RETURN
>>declare @.set nvarchar(150)
>>select "Total Pledged" as info, sum(total) as tot
>>FROM AFresponseTotals (@.campaign, @.datefrom, @.dateto,@.prospect)
> You seem to be mixing inline and multi-statement syntax. If you just say
> RETURN TABLE, then the rest of the function can only be a single SELECT
> statement; if you want to use multiple statements in the function, then you
> must define the structure of the table you're returning. See the examples in
> Books Online under CREATE FUNCTION.

Aha! sounds about right, just needed a little shunt in the right
direction.. gonna have nightmares about BOL :p

cheers,
Chris

DECLARE SYNTAX

I am trying to convert a declare syntax from SQL to MySQL
the syntax is as follows:
declare @.x int ;
set @.x = (SELECT max(ixBugEvent) FROM bugevent) ;
UPDATE bugevent
SET ixAttachment = (SELECT max(ixAttachment) FROM attachment),
ixBug = (SELECT max(ixBug) FROM bug)
WHERE ixBugEvent = @.x;
but it is giving me an error. can anyone help.
thanks for your time in advance...Since people here generally speak SQL, not MySQL, you might
have better luck asking your question in a MySQL newsgroup.
(If you want to know how to same something in French, you'd ask
someone who speaks French, right?)
Steve Kass
Drew University
harpalshergill@.gmail.com wrote:

>I am trying to convert a declare syntax from SQL to MySQL
>the syntax is as follows:
>
>declare @.x int ;
>set @.x = (SELECT max(ixBugEvent) FROM bugevent) ;
>UPDATE bugevent
> SET ixAttachment = (SELECT max(ixAttachment) FROM attachment),
> ixBug = (SELECT max(ixBug) FROM bug)
> WHERE ixBugEvent = @.x;
>
>but it is giving me an error. can anyone help.
>thanks for your time in advance...
>
>|||(harpalshergill@.gmail.com) writes:
> I am trying to convert a declare syntax from SQL to MySQL
> the syntax is as follows:
>
> declare @.x int ;
> set @.x = (SELECT max(ixBugEvent) FROM bugevent) ;
> UPDATE bugevent
> SET ixAttachment = (SELECT max(ixAttachment) FROM attachment),
> ixBug = (SELECT max(ixBug) FROM bug)
> WHERE ixBugEvent = @.x;
> but it is giving me an error. can anyone help.
> thanks for your time in advance...
All I can say is hat I don't think that @.x variables are available in
MySQL. I would only expect those to work with SQL Server and Sybase.
There is a comp.databases.mysql. You should have better luck there.
Erland Sommarskog, SQL Server MVP, esquel@.sommarskog.se
Books Online for SQL Server 2005 at
http://www.microsoft.com/technet/pr...oads/books.mspx
Books Online for SQL Server 2000 at
http://www.microsoft.com/sql/prodin...ions/books.mspx|||Not only are variables available but they can used along with
columns in a query! :)
"Erland Sommarskog" <esquel@.sommarskog.se> wrote in message
news:Xns97EFB333256EYazorman@.127.0.0.1...
> (harpalshergill@.gmail.com) writes:
> All I can say is hat I don't think that @.x variables are available in
> MySQL. I would only expect those to work with SQL Server and Sybase.
> There is a comp.databases.mysql. You should have better luck there.
>
> --
> Erland Sommarskog, SQL Server MVP, esquel@.sommarskog.se
> Books Online for SQL Server 2005 at
> http://www.microsoft.com/technet/pr...oads/books.mspx
> Books Online for SQL Server 2000 at
> http://www.microsoft.com/sql/prodin...ions/books.mspx|||A more precise analogy might be to ask: if you want to know how to name
something in Creole French, you'd ask some one who speaks it, non?
Speak de patetois, non?
Steve Kass wrote:
> Since people here generally speak SQL, not MySQL, you might
> have better luck asking your question in a MySQL newsgroup.
> (If you want to know how to same something in French, you'd ask
> someone who speaks French, right?)
> Steve Kass
> Drew University
> harpalshergill@.gmail.com wrote:
>|||harpalshergill@.gmail.com wrote:
> I am trying to convert a declare syntax from SQL to MySQL
> the syntax is as follows:
>
> declare @.x int ;
> set @.x = (SELECT max(ixBugEvent) FROM bugevent) ;
> UPDATE bugevent
> SET ixAttachment = (SELECT max(ixAttachment) FROM attachment),
> ixBug = (SELECT max(ixBug) FROM bug)
> WHERE ixBugEvent = @.x;
>
> but it is giving me an error. can anyone help.
> thanks for your time in advance...
>
Two things that might help you get a response:
1. Include the error message, don't make us guess what error you're
getting.
2. Post to the proper newsgroup

Declare in a view

hello,
I have a quick question, can you declare a varchar within a view?
the code at the bottom generate error: Incorrect syntax near the keyword
'declare'.
CODE:
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO
/*----
--
05/25/06 - RA : starting code to query data from shamrock db
----
--*/
ALTER VIEW vw_customer_usage_bgcolor
AS
declare @.loc_east varchar (20)
declare @.loc_west varchar (20)
set @.loc_west = (select sum(inv_loc.qty_on_hand) from inv_loc INNER
JOIN inv_mast ON ( inv_mast.inv_mast_uid = inv_loc.inv_mast_uid )
WHERE ( inv_mast.item_id not like '0%' and inv_mast.item_id not like
'0%' ) AND
( inv_mast.item_id like '_____-___-___' or inv_mast.item_id like
'_____-___' ) AND
( inv_mast.delete_flag = 'N' ) AND
(inv_loc.location_id='102230' )
)
set @.loc_east = (select sum(inv_loc.qty_on_hand) from inv_loc INNER
JOIN inv_mast ON ( inv_mast.inv_mast_uid = inv_loc.inv_mast_uid )
WHERE ( inv_mast.item_id not like '0%' and inv_mast.item_id not like
'0%' ) AND
( inv_mast.item_id like '_____-___-___' or inv_mast.item_id like
'_____-___' ) AND
( inv_mast.delete_flag = 'N' ) AND
(inv_loc.location_id='100001' )
)
declare @.B_color bit
set @.B_color =
(select case when @.loc_east > @.loc_west
then 0 --EAST
else 1 --WEST
end)
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GONo, you cannot declare variables in a view. I think you want a stored
procedure or a table-valued function.
"ITDUDE27" <ITDUDE27@.discussions.microsoft.com> wrote in message
news:F8A6A242-7A31-4C7B-A629-A54C97124604@.microsoft.com...
> hello,
> I have a quick question, can you declare a varchar within a view?
> the code at the bottom generate error: Incorrect syntax near the keyword
> 'declare'.
> CODE:
> SET QUOTED_IDENTIFIER ON
> GO
> SET ANSI_NULLS ON
> GO
> /*---
--
> 05/25/06 - RA : starting code to query data from shamrock db
> ----
--*/
> ALTER VIEW vw_customer_usage_bgcolor
> AS
> declare @.loc_east varchar (20)
> declare @.loc_west varchar (20)
> set @.loc_west = (select sum(inv_loc.qty_on_hand) from inv_loc INNER
> JOIN inv_mast ON ( inv_mast.inv_mast_uid = inv_loc.inv_mast_uid )
> WHERE ( inv_mast.item_id not like '0%' and inv_mast.item_id not like
> '0%' ) AND
> ( inv_mast.item_id like '_____-___-___' or inv_mast.item_id like
> '_____-___' ) AND
> ( inv_mast.delete_flag = 'N' ) AND
> (inv_loc.location_id='102230' )
> )
> set @.loc_east = (select sum(inv_loc.qty_on_hand) from inv_loc INNER
> JOIN inv_mast ON ( inv_mast.inv_mast_uid = inv_loc.inv_mast_uid )
> WHERE ( inv_mast.item_id not like '0%' and inv_mast.item_id not like
> '0%' ) AND
> ( inv_mast.item_id like '_____-___-___' or inv_mast.item_id like
> '_____-___' ) AND
> ( inv_mast.delete_flag = 'N' ) AND
> (inv_loc.location_id='100001' )
> )
> declare @.B_color bit
> set @.B_color =
> (select case when @.loc_east > @.loc_west
> then 0 --EAST
> else 1 --WEST
> end)
> GO
> SET QUOTED_IDENTIFIER OFF
> GO
> SET ANSI_NULLS ON
> GO|||ITDUDE27 wrote:
> hello,
> I have a quick question, can you declare a varchar within a view?
> the code at the bottom generate error: Incorrect syntax near the keyword
> 'declare'.
> CODE:
> SET QUOTED_IDENTIFIER ON
> GO
> SET ANSI_NULLS ON
> GO
> /*---
--
> 05/25/06 - RA : starting code to query data from shamrock db
> ----
--*/
> ALTER VIEW vw_customer_usage_bgcolor
> AS
> declare @.loc_east varchar (20)
> declare @.loc_west varchar (20)
> set @.loc_west = (select sum(inv_loc.qty_on_hand) from inv_loc INNER
> JOIN inv_mast ON ( inv_mast.inv_mast_uid = inv_loc.inv_mast_uid )
> WHERE ( inv_mast.item_id not like '0%' and inv_mast.item_id not like
> '0%' ) AND
> ( inv_mast.item_id like '_____-___-___' or inv_mast.item_id like
> '_____-___' ) AND
> ( inv_mast.delete_flag = 'N' ) AND
> (inv_loc.location_id='102230' )
> )
> set @.loc_east = (select sum(inv_loc.qty_on_hand) from inv_loc INNER
> JOIN inv_mast ON ( inv_mast.inv_mast_uid = inv_loc.inv_mast_uid )
> WHERE ( inv_mast.item_id not like '0%' and inv_mast.item_id not like
> '0%' ) AND
> ( inv_mast.item_id like '_____-___-___' or inv_mast.item_id like
> '_____-___' ) AND
> ( inv_mast.delete_flag = 'N' ) AND
> (inv_loc.location_id='100001' )
> )
> declare @.B_color bit
> set @.B_color =
> (select case when @.loc_east > @.loc_west
> then 0 --EAST
> else 1 --WEST
> end)
> GO
> SET QUOTED_IDENTIFIER OFF
> GO
> SET ANSI_NULLS ON
> GO
No, you can't declare variables inside a view... Try this instead:
SELECT
CASE WHEN loc_west > loc_east THEN 1 ELSE 0 END
FROM
(
SELECT
SUM(CASE WHEN inv_loc.location_id = '102230' THEN inv_loc.qty_on_hnd
ELSE 0 END) AS loc_west,
SUM(CASE WHEN inv_loc.location_id = '100001' THEN inv_loc.qty_on_hnd
ELSE 0 END) AS loc_east
FROM inv_loc
INNER JOIN inv_mast
ON inv_loc.inv_mast_uid = inv_mast.inv_mast_uid
WHERE inv_mast.item_id NOT LIKE 0%
AND inv_mast.item_id LIKE '_____-___-___'
AND inv_mast.delete_flag = 'N'
) sums_table|||Check out in BOL index the topic "create function"
Under that you have something called
"Multi-statement Table-valued Functions"
That can handle your requirement.
-Omnibuzz (The SQL GC)
http://omnibuzz-sql.blogspot.com/|||>> I have a quick question, can you declare a varchar within a view? <<
If you had ever read the first five pages of a chapter on VIEWs in any
SQL, you would know that a VIEW is a virtual table constructed from a
SELECT statement with some options.
So that did not answer your question? If you couldnot be bothered to
read a definition, wouldn't an error message a "strong hint"?
I also see that you write with bits and delete flags, just like
assembly language. Just like we did in the 1960's before RDBMS. You
also put the silly "volkwagen" suffix on view names to violate
ISO-11179 rules. All of those things are signs of really bad DDL and
DML.
Do you notice anything interesting about this predicate? Like it is
redundant?
(Inv_Mast.item_id NOT LIKE '0%'
AND
Inv_Mast.item_id NOT LIKE '0%' )
What you have posted here implies a LOT of serious errors. Stop
programming, do a full data audit and get some help from an SQL
porgrammer.