Help With Nested CTE

Apr 2, 2008



Hi gang,

I have a challenge, which seems like it is probably trivial, but SQL chops are not up to the task, and I am hoping one of you hot-shot DBAs can throw me a bone!

I have a query that populates an OLAP Time dimension table (basically one row per day of the year over several years). What I want to do is expand that table to include each hour of each day over the time span.

The CTE I am using for the day population is:



Code Snippet
WITH dates(date)
-- A recursive CTE that produce all dates between 2006 and 2057-12-31
AS
(
SELECT cast('2006' AS dateTime) date -- SQL Server supports the ISO 8601 format so this is an unambigious shortcut for 1999-01-01
UNION ALL -- http://msdn2.microsoft.com/en-us/library/ms190977.aspx
SELECT (date + 1) AS date
FROM dates
WHERE
date < cast('2058' AS dateTime) -1
)






What I wanted to do was something like:


Code Snippet
WITH hours(hr)
AS
(
SELECT (DATEPART(hh,date) hr
UNION ALL
SELECT (hr + 1) AS hr
FROM hours
WHERE hr < 24
)






inserted just after



Code Snippet
FROM dates





in the initial CTE. But from what I have read, it seems as though nested CTEs are not allowed.

Can anyone show me how to do this?

Thanks in advance for ANY insight/input!

Cheers,

Chris

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Can you give a whole SQL statement an alias so you can use it later?

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So basically, I just want to alias a qhole SQL statement

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***********************

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Hi. newbie here.
Also new to coding in SQL.

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If yes, when use FETCH_STATUS is it for cur1 or cur2 ??

Sample data is at the bottom.
Thanks for ANY suggestions !!

** Assume TABLE 1 is sorted by Record_Type, Order_no, Order_line_no

************************************************** ***
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dim @lin#

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end outer WHILE

************************************************** ****************************
Sample data :
Data as it currently exists:
Record_type ......Order No......Order line no ......Line Ctr
OP.....................458001................5.... ...............0
OP .....................458001..............5 .................. 0
OP..................... 458001..............5..................0
OP .....................458001..............5........ ..........0
OP.....................458191..............1 ..................0
OP.....................458191..............1 .................. 0
OP..................... 458308..............73..................0
OP .....................458308..............73....... ........... 0
OP.....................458308..............73..... .............0
OP.....................458308..............73..... .............0


Want data to look like this after executing code:
Record_type ......Order No......Order line no ......Line Ctr
OP.....................458001................5.... ...............1
OP .....................458001..............5 .................. 2
OP..................... 458001..............5..................3
OP .....................458001..............5........ ..........4
OP.....................458191..............1 ..................1
OP.....................458191..............1 .................. 2
OP..................... 458308..............73..................1
OP .....................458308..............73....... ........... 2
OP.....................458308..............73..... .............3
OP.....................458308..............73..... .............4


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What's wrong with this...


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PHP Code:




 ID |    NUMBER    |   DSTART   |    DEND    |     ADDRESS     |
----------------------------------------------------------------
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PHP Code:




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WHERE (((tbl_hmo.CONTRACT_NUM) Is Null))
GROUP BY tbl_hmo_History.reg, tbl_hmo_History.CONTRACT_NUM
) AS qry_Termed_Contracts_HMO_All_Regions_1
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FROM (SELECT tbl_hmo_History.reg, tbl_hmo_History.MEMBER_NUM
FROM tbl_hmo RIGHT JOIN tbl_hmo_History ON tbl_hmo.MEMBER_NUM = tbl_hmo_History.MEMBER_NUM
WHERE (((tbl_hmo.MEMBER_NUM) Is Null))
GROUP BY tbl_hmo_History.reg, tbl_hmo_History.MEMBER_NUM
) AS qry_Termed_Members_HMO_All_Regions_1
GROUP BY qry_Termed_Members_HMO_All_Regions_1.reg)
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error:
Server: Msg 156, Level 15, State 1, Line 3
Incorrect syntax near the keyword 'FROM'.
Server: Msg 156, Level 15, State 1, Line 8
Incorrect syntax near the keyword 'AS'.
Server: Msg 156, Level 15, State 1, Line 18
Incorrect syntax near the keyword 'AS'.
Server: Msg 156, Level 15, State 1, Line 24
Incorrect syntax near the keyword 'AS'.
Server: Msg 156, Level 15, State 1, Line 31
Incorrect syntax near the keyword 'AS'.

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[BP Q-1]
),
Case Contract_usd WHEN IsNull(Contract_USD,0) THEN 'Contract' ELSE
Case SITEINPUT_sitecontract_usd WHEN IsNull(SITEINPUT_sitecontract_usd,0) THEN 'SITEINPUT Site Contract' ELSE
Case SITEINPUT_lastPO_usd WHEN IsNull(SITEINPUT_lastPO_usd,0) THEN 'SITEINPUT Last PO' ELSE
Case SITEINPUT_lastreceipt_usd WHEN IsNull(SITEINPUT_lastreceipt_usd,0) THEN 'SITEINPUT Last Receipt' ELSE
Case SITEINPUT_other_usd WHEN IsNull(SITEINPUT_other_usd,0) THEN 'SITEINPUT Other' ELSE
Case SITEINPUT_wac_usd WHEN IsNull(SITEINPUT_wac_usd,0) THEN 'SITEINPUT WAC' ELSE
Case SYSTEM_Min_ContractPrice_usd WHEN IsNull(SYSTEM_Min_ContractPrice_usd,0) THEN 'Min Contract Price' ELSE
Case SYSTEM_Min_OpenOrder_usd WHEN IsNull(SYSTEM_Min_OpenOrder_usd,0) THEN 'Min Open Order' ELSE
Case SYSTEM_Last_Receipt_usd WHEN IsNull(SYSTEM_Last_Receipt_usd,0) THEN 'Last Receipt' ELSE
Case SYSTEM_Min_WAC_usd WHEN IsNull(SYSTEM_Min_WAC_usd,0) THEN 'Min WAC' ELSE
Case [BP Q-1] WHEN IsNull([BP Q-1],0) THEN 'BP Q-1' ELSE
'NO DATA' END END END END END END END END END END END
FROM COST_AllInfo
GO

--------

Suggestions (don't hit me to hard)?

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hi guys,

i have the following category table...

CREATE TABLE [dbo].[categories] (
[cat_id] [int] IDENTITY (1, 1) NOT NULL ,
[dModified] [datetime] NULL ,
[dCreated] [datetime] NULL ,
[cat_parent_id] [int] NULL ,
[cat_lft] [int] NULL ,
[cat_rgt] [int] NULL ,
[cat_image] [varchar] (255) COLLATE Latin1_General_CI_AS NULL ,
[cat_sort_order] [int] NULL
) ON [PRIMARY]
GO

i now wish to add a levels column which indicates (funnily enough :)) which level each record is on starting from 1.

is there a query i can use which will output for me the levels based on the child/parent relationship?

regards
mike

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Hi all!I'm trying to write a T-SQL statement that will allow me to do a maintenance for all user table for all databases on my server.This is what I got so far :DECLARE @cStatement varchar(255)DECLARE @dStatement varchar(255)DECLARE T_database CURSOR FOR SELECT '[' + CONVERT(varchar(64),name) + ']' FROM master.dbo.sysdatabases WHERE dbid>6SET nocount ONOPEN T_databaseFETCH NEXT FROM T_database INTO @dStatement WHILE (@@FETCH_STATUS <> -1)begin-- LOOP IMBRIQUÉ POUR PASSER AU TRAVERS DE CHAQUES ELEMENTS-- DE LA BASE DE DONNÉES ACTUELLE.EXEC ('DECLARE T_cursor CURSOR FOR SELECT ''UPDATE STATISTICS ['' + CONVERT(varchar(64),name) + '']'' FROM ' + @dStatement + '.dbo.sysobjects WHERE type = ''U''')OPEN T_cursorFETCH NEXT FROM T_curosr INTO @cStatementWHILE (@@FETCH_STATUS <> -1)beginPRINT(@cStatement)FETCH NEXT FROM T_cursor INTO @cStatementendDEALLOCATE T_cursorFETCH NEXT FROM T_database INTO @dStatement endDEALLOCATE T_databaseBut I get a sh**t load of errors :Msg 16916, Level 16, State 1, Line 15A cursor with the name 'T_curosr' does not exist.Msg 16916, Level 16, State 1, Line 15A cursor with the name 'T_curosr' does not exist.Msg 16916, Level 16, State 1, Line 15A cursor with the name 'T_curosr' does not exist.Msg 16916, Level 16, State 1, Line 15A cursor with the name 'T_curosr' does not exist.Msg 16916, Level 16, State 1, Line 15A cursor with the name 'T_curosr' does not exist.Msg 16916, Level 16, State 1, Line 15A cursor with the name 'T_curosr' does not exist.Msg 16916, Level 16, State 1, Line 15A cursor with the name 'T_curosr' does not exist.Msg 16916, Level 16, State 1, Line 15A cursor with the name 'T_curosr' does not exist.Please help!!! :beer:

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I must produce an XML file with this layout:

Code:
<root>
<dataroot>
<Professions>
<Profession>web designer</Profession>
<tags>
<tag>Ruby on Rails</tag>
<tag>Apache</tag>
<tag>HTML/CSS</tag>

[code]...

I can't get my head around it ..I've even tried to solve it by using FOR XML RAW.

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Mar 2, 2004

I am having trouble with the following query.

Important Tables:
Product (table of products)
--ProductID
--ProductName

ProductCategories (Associates a Product with one or more categories)
--ProductID
--CategoryID

Category (table of categories that a product may fall under)
--CategoryID
--CategoryName

Information:

Basically I have a product that falls into two categories. Therefore there are two records in the ProcuctCategories Table. I am trying to create a query that will find all products that are in categories 1 & 2.

Attempted Solution:
SELECT * FROM Product
WHERE (ProductID IN (SELECT CategoryID FROM ProductCategories WHERE CategoryID =1))
AND
(ProductID IN (SELECT CategoryID FROM ProductCategories WHERE CategoryID =2))

This returned zero records though it should have returned the product that is in categories 1&2.

I would appreciate any help available.

Thank you,
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I am writing a program using VC++ 6.0 and SQL 2000 and I am trying to use nested transactions. I have 1 outer transaction and the 2 inner transactions are in sepetrate function calls inside the outer transaction. I have something like this:

BEGIN TRANSACTION;

if (!functioncall1()) // commit if function suceeds, otherwise rollback
{
Rollback Transaction;
return;
}

if (!functioncall2()) // commit if function suceeds, otherwise rollback
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Rollback Transaction;
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COMMIT TRANSACTION ;

Both functions contain a complete transaction inside the function call. If either function fails however, I want to do a rollback of the entire transaction. This is not happening though. If functioncall1 suceeds and the transaction in that function commits, then if I do a rollback during functioncall2, the transaction in functioncall1 is not rolled back. This seems to be directly opposite of the SQL help for transaction. Am I missing something obvious here?

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