Incremental field in stored procedures

Hi All,
I have a requirement in which there is one incremental field based on city.
Based on city the SR No needs to be incremented. We have achieved this by using Rank function and its working fine.
Now the problem is if we run this procedure for the next time the SR No to be incremented.
For Eg: If we run the procedure for the 1’st following is the output.
SR No City
1 Chennai
1 Chennai
2 Mumbai
3 Hyderabad
3 Hyderabad
If we run the procedure for 2’nd time the output should be as given below.
SR No City
4 Chennai
4 Chennai
4 Chennai
5 Hyderabad
6 Yamuna nagar
6 Yamuna nagar
If we run the procedure for the next time the SR No should start from 7.
Please help

user9216930 wrote:
we need to implement this with in the same procedure with out sequence.Oracle sequence or no Oracle sequence is a technical decision. Has absolutely nothing to do with the requirement specification - which is what is being discussed.
It is not depends on the user ,it depends on the procedure.I did not ask about the user. I asked about session state - whether the increment needs to persist across sessions. Or whether each session will have its own local increment that will cease to exist at the end of the session.
Remember that Oracle is a multi-processing environment. There can be a 100 sessions all executing the very same procedure. What increment do these sessions see? The same sequence? Or does each have its own? (this is a basic concept in programming that deals with "+thread safety+" on multi-process/multi-thread systems)
When the database instance is shutdown, does the existing increment need to persist and be re-used when the database start again?
And who is going to use this sequence? There must be a purpose for this sequence - the "+WHY?+". What is this requirement that the increment/sequence need to address?
This is a critical piece of information as it dictates HOW the sequence will be used by processes that want to interrogate it. This directly impacts the design and technical implementation of the sequence.
each time it is running the SRNO should be increment based on previous SRNO.So..? Is this across sessions, or localised in each session? And what happens when one session wants to see the SRNO of another session? Is this a requirement..?
In other words, you are not answering anything with that statement. The very same questions I've raised in the previous paragraph, apply.
DEFINE THE PROBLEM! Without know WHAT the problem is, we cannot suggest HOW it must be technically addressed. This is a fundamental software engineering principle that you need to grasp.

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Do you have step by step procedure for creating add command dialog box?
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Hi,
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hi,
Fields in Stored Procedure does not appear.
I am now using crystal reports 2008 evaluation copy for 30 days. I am trying to create a stored procedure with parameter, here is my sample Stored Procedure code;
DELIMITER $$
DROP PROCEDURE IF EXISTS `puerto`.`SP_FindEmployees`$$
CREATE DEFINER=`root`@`localhost` PROCEDURE `SP_FindEmployees`(SIDNo VARCHAR(10))
BEGIN
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END$$
DELIMITER ;
when i try to call the procedure in sqlyog here is my sample code;
CALL sp_findemployees('0000000001')
it is successfull, but when i try to connect it with crystal reports 2008 I got no fields in my stored procedure andi got this error message ;
"Database Connector: 'HY00:[MySQL][ODBC 3.51 Driver][mysqld-5.1.33-community]incorect number of arguments for procedure puerto.sp_findemployees; expected 1, got 0 [Database vendor code: 1318]"
CR2008 was not asking a parameter values.
But when I try using stored procedure that i've made in MSSQL, CR2008 asking parameters and succefully created the reports needed.
My Objective is to make a stored procedure in MySQL by using select statement and filter it with parameter(s) that I will pass and CR2008 will use this stored procedure.
i also try the view with this code below and it was successfull in CR2008.
DELIMITER $$
DROP VIEW IF EXISTS `puerto`.`ep_employees`$$
CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `ep_employees` AS (SELECT `employees`.`IDNo` AS `IDNo`,`employees`.`FullName` AS `FullName` FROM `employees`)$$
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Update table column with same auto-increment value, via T-SQL stored procedure

Good Evening to every one,
I have a table 'Contracts' as we can see in the picture below (I exported my data on An Excel Spreadsheet). Table's primary key is 'ID' column.
I am trying to create a stored procedure (i.e. updContractNum), through which I am going to update the 'Contract_Num' column, in every row where the values on Property_Code, Customer, Cust_Category and Amnt ARE EQUAL, as we can see in the schema above.
The value of Contract_Num is a combination of varchar and auto_increment (integer). For example, the next value on 'Contract number' column will be 'CN0005' for the combination of 11032-14503-02-1450,00
I' m trying to use CURSORS for this update but I am new in using cursors and I am stuck in whole process. I atttach my code below:
CREATE PROCEDURE updContractNum
AS
--declare the variables
DECLARE @CONTRACT_NUM VARCHAR(10); -- Contract Number. The value that will be updated on the table.
DECLARE @CONTRACT INTEGER; -- Contract number, the auto increment section on contract number
DECLARE @CONTR_ROW VARCHAR(200); -- Contract row. The row elements that will be using on cursor
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BEGIN
--update Contract_Num, using the format coding : contract_number = 'CN' + 0001
UPDATE CONTRACTS
SET CONTRACT_NUM = 'CN'+@CONTRACT_NUM+1
END
CLOSE CONTRACT_CURSOR
Thank you in advance!

You dont need cursor
You can simply use an update statement like this
UPDATE t
SET Contract_Num = 'CN' + RIGHT('00000' + CAST(Rnk AS varchar(5)),5)
FROM
SELECT Contract_Num,
DENSE_RANK() OVER (ORDER BY Property_Code,Customer,Cust_category,Amnt) AS Rnk
FROM table
)t
Please Mark This As Answer if it solved your issue
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Visakh
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How do I modify a report to show new fields in a stored procedure?

The server uses Crystal Reports Embedded Server 2008 SP3 (running on Windows Server 2008 R2 / IIS 7.5), and I am using Crystal Reports Developer 2008 SP3 on my PC.
Hello,
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When I open the OrderForm1.rpt in Crystal Designer, I have found that I can go to Database > Set Datasource Location, create a connection (OLE DB (ADO)) to the database, highlight the name of the stored procedure under u2018Current Data Sourceu2019, then find the same stored procedure in the database in the section u2018Replace withu2019:
http://i.imgur.com/KXBuf.png
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http://i.imgur.com/5uQ9V.png
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http://i.imgur.com/aD4KH.png
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http://i.imgur.com/gz8S3.png
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http://i.imgur.com/llkrk.png
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MyLoanerLaptop\ebo bk\orderform1.xml:
http://i.imgur.com/SEVOE.png
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Any and all help would be greatly appreciated. I realize that this type of work most likely is routine stuff that can be learned by taking the time to do so. My team is only interested in allowing me a certain amount of time and resources to delve into Crystal and we do not have a Crystal dev team. So, hopefully you understand my dilemma here.
Thank you,
Mike
Edited by: Mike_DBA on Jan 23, 2012 8:03 PM
Edited by: Mike_DBA on Jan 23, 2012 8:05 PM
Edited by: Mike_DBA on Jan 23, 2012 8:11 PM (2:12 pm EST)
Edited by: Mike_DBA on Jan 23, 2012 8:13 PM
Edited by: Mike_DBA on Jan 23, 2012 8:18 PM
Edited by: Mike_DBA on Jan 23, 2012 8:30 PM
Edited by: Mike_DBA on Jan 23, 2012 10:58 PM

Hi Mike,
CRSE is an OEM Product and for use with a custom application they have written. Unfortunately we don't their reports or how they are connecting, it would appear they were originally built off a SQL and then set to a Dataset in the app or they could be adding the data source at runtime. Lots of variations and without access to the source code to see what they are doing not much we can help you with.
You need to contact the OEM Partner for help in resolving this and find out what you can and need to do to update your SP and work with their canned reports,
Thank you
Don

Crystal Report not showing fields when connected to a stored procedure

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I have a stored procedure that is selecting data from a table called "Vendor" in my database. The data that is being returned are vendor names, vendor addresses, vendor Id's, etc...In my stored proc, I have one parameter that allows
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Hi Jrcowles,
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CREATE PROCEDURE GetVendorName
@VendorName NVARCHAR(50)
AS BEGIN
exec( 'SELECT * FROM Vendor WHERE VendorName LIKE ''%'+@VendorName+'%''')
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On the Default Values tab, check "Get values from a query". Select corresponding dataset and field.
The screenshots below are for you reference.
Reference
http://technet.microsoft.com/en-us/library/aa337169(v=sql.100).aspx
http://www.msbiguide.com/2012/02/adding-cascading-parameters-to-ssrs-reports/
Regards,
Charlie Liao
TechNet Community Support

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Hi Don,
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I found some crystal report cds with 8.5 (the newest I could find), I installed it and tried to use the SP and it gave me the following error:
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Edited by: Kenshinofkin on May 12, 2011 7:01 PM

How can L identify what are the not null fields of a table in a stored procedure ?

How can L identify what are the not null fields of a table in a stored procedure ?

You could query the data dictionary:
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FROM all_tab_columns
WHERE owner = '...'
AND table_name = '...'
AND nullable = 'N'

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Does anyone have experience using cx_Oracle to call a stored procedure which inserts to a clob field? I have found examples of doing this via straight SQL but I was hoping it was possible to do this via a stored procedure call. Thanks for any help you can provide.
Jason

And cursor.callproc('insert_clob_proc', (clob,))
doesn't work for you?
PrzemekYes - I should have been more clear in my original post. The callproc function works until we have a value which is over 32K. At values over 32K, we get an error message "ORA-01460: unimplemented or unreasonable conversion requested". I believe this is because we are sending the value as a string and so we would need to figure out how to send as a CLOB in cx_Oracle? Here is some code to use to test if interested...
Oracle (Oracle Database 10g Release 10.1.0.4.0 - Production):
CREATE TABLE clob_test (CLOB_FIELD CLOB);
CREATE OR REPLACE PROCEDURE ins_clob_test (v_clob_field IN CLOB)
AS
BEGIN
INSERT INTO clob_test (clob_field) VALUES (v_clob_field);
END ins_clob_test;
Python (2.5):
conn = cx_Oracle.connect(xhash['oraclelogin'])
cursor = conn.cursor()
clob_var = 'Some test data' * 10000
cursor.callproc('ins_clob_test',(clob_var,))
conn.commit()
cursor.close()
conn.close()
I should also mention that I am the Oracle developer and not the Python programmer - my knowledge of Python is very limited. I would like the Python programmers to use the procedures (packages) I have created to do their inserts but this situation has caused them to put the SQL directly in their code.
Thanks again for any assistance you can provide.
Jason

Stored procedure copying docnum to remark field

Hi Experts,
Is there somebody who can help me with an stored procedure which copies the docnum of an AR Invoice to the remarks field.
I need this solution because when we export an clieop file for banktransaction it gives the remark field of the ar invoice instead of the docnum. I spoke to somebody at SAP and he suggested to make an SP which copies the docnum to the remark field.
It is not possible right now in SBO 2007A to modify the clieop by ourself. Maybe in 8.8 release
Can somebody help me?
THX
Mark

HI
You don't need a store procedure for that .You need is formatted search on remarks field :
Select $[OINV.DOCNUM]
Auto refresh when cardcode changes
Your problem will be solved
Hope this helps
Bishal
Edited by: BIshal Adhikari on Nov 5, 2009 12:04 PM

What is better to use a calculation field or to use stored procedure

Dear All
i want to know what is better to use a calculation field on oracle forms , or to do the calculation using a stored procedure at the data base level and fetch the results to the fields on the form
Best Regards

Hello Mohannad
the stored procedure approach might be more readable and maintainable when the calculation gets complicated.
And it might be easier to reuse when it's needed in another part of your application.
Bernd

Incremental field in stored procedures

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