I am getting this error message
RETURN statements in scalar valued functions must include an argument
when run this query:
create function gender(#gender nvarchar(40))
returns nvarchar(40)
as
begin
(select name,cast(DOB as date) as DOB from datenames where gender = #gender)
return
end
The write way to create a function in mysql for your example is as follows:
DELIMITER \\
create function gender(Igender nvarchar(40))
returns nvarchar(40)
begin
DECLARE customerLevel NVARCHAR(40);
IF EXISTS (select name,cast(DOB as date) as DOB from datenames where gender = Igender) THEN
SET customerLevel = 'SOMETHING1';
ELSE
SET customerLevel = 'SOMETHING2';
END IF;
RETURN (customerLevel);
end
No need to as
No need to # before input
You need to return something.
Don't forget to use DELIMITER.
If you use phpmyadmin and has problem with nvarchar read this post: Unrecognize data type nvarchar in database or simply change it to to varchar.
I created a procedure on mysql.
Here's my sql.
drop procedure if exists proc_serial_no;
DELIMITER //
CREATE PROCEDURE `proc_serial_no`(IN comp_code varchar(20), IN meat_rule_one varchar(20),OUT serial_no int)
LANGUAGE SQL
NOT DETERMINISTIC
MODIFIES SQL DATA
SQL SECURITY INVOKER
COMMENT 'serial no generator for trace code'
begin
declare current_no int default 0;
select serial_no into current_no from t_serial_no where comp_code = comp_code and rule = meat_rule_one;
if current_no = 0
then insert into t_serial_no (id,no,comp_code,rule) values ( replace(uuid(),'-',''),1,comp_code,meat_rule_one);
else update t_serial_no set no = no + 1 where comp_code = comp_code and rule = meat_rule_one;
end if;
select serial_no = current_no + 1;
end
I'm expecting the out param [serial_no] to increase every time I call the procedure,but it's always zero.
When I change sql related to the out param to
select no into serial_no from t_serial_no where comp_code = comp_code and rule = meat_rule_one;
It worked!
I could't figure out why. Anyone can answer this would be in great help!
This may be right or wrong. But it may be due to ,
Everytime you call the procedure , the local variable current_no is by its default value it is 0.
When the scope moves out of the procedure and again when you call that procedure, it again starts with its default value 0 again and again.
And also,
May be everytime you pass the value 0 to serial_no param everytime you call that procedure and it again starts with 0 everytime when the scope moves out and comes in.
I have a stored procedure that returns a common query, I need to call it in several functions but some functions may call it through Period Id or others through Header Id, so far I would like to know how can I determine what param to use in order to retrive data properly, I have something like this implemented.
CREATE PROCEDURE dbo.GetTFDRecordInfo
#PeriodId int = null,
#HeaderId int = null
AS
BEGIN
SELECT
-- I have a lot more fields and joins here, that's why I need to get the statement in a single call through either period id or header id
*
From NT_CSRTNVPeriodInfo t
-- how can I make possible something like shown above, can I use a "Case When"?
Where (
/*
if #PeriodId is null
Where t.HeaderId = #HeaderId
if #HeaderId is null
Where t.PeriodId = #PeriodId
*/
)
END
GO
-- swtich between params
Exec NT_CSRTNVPeriodInfo null, 2654
Exec NT_CSRTNVPeriodInfo 196, null
This is the answer:
CREATE PROCEDURE dbo.GetTFDRecordInfo
#PeriodId int = null,
#HeaderId int = null
AS
BEGIN
SELECT
-- I have a lot more fields and joins here, that's why I need to get the statement in a single call through either period id or header id
*
From NT_CSRTNVPeriodInfo t
-- how can I make possible something like shown above, can I use a "Case When"?
Where ((#PeriodId IS NULL) or (t.PeriodId = #PeriodId))
And ((#HeaderId IS NULL) or (t.HeaderId = #HeaderId))
END
GO
You have to use conditional OR to check NULLs, if param is set, the second condition is checked, if not, the procedure will consider always true the statement and go to the next.
Does anybody know if this is allowed?
IF CALL GET_RIGHT_NODE(edge) = 15
THEN
SELECT "IT WORKS";
I'm getting an error on this syntax, is it possible any other way?
The return values from stored procedures should be captured in OUT paramters (whereas those from user defined functions can be captured as #returnValue = function()).
So, your GET_RIGHT_NODE should take an OUT parameter and set it to the return value.
CREATE PROCEDURE GET_RIGHT_NODE
(
#edge INT,
#returnValue INT OUTPUT
)
AS
-- Definition of the proc.
then you would call the procedure as follows:
DECLARE #returnValue INT
CALL GET_RIGHT_NODE(#edge, #returnValue)
IF (#returnValue = 15)
THEN
SELECT 'IT WORKS'
I am working on a SSRS report that uses a stored procedure containing a few parameters. I am having problems with two of the parameters because I want to have the option of selecting more than one item.
Here's a condensed version of what I have:
CREATE PROCEDURE [dbo].[uspMyStoredProcedure]
(#ReportProductSalesGroupID AS VARCHAR(MAX)
,#ReportProductFamilyID AS VARCHAR(MAX)
,#ReportStartDate AS DATETIME
,#ReportEndDate AS DATETIME)
--THE REST OF MY QUERY HERE WHICH PULLS ALL OF THE NEEDED COLUMNS
WHERE DateInvoicedID BETWEEN #ReportStartDate AND #ReportEndDate
AND ProductSalesGroupID IN (#ReportProductSalesGroupID)
AND ProductFamilyID IN (#ReportProductFamilyID)
When I try to just run the stored procedure I only return values if I enter only 1 value for #ReportProductSalesGroupID and 1 value #ReportProductFamilyID. If I try to enter two SalesGroupID and/or 2 ProductFamilyID it doesn't error, but I return nothing.
-- Returns data
EXEC uspMyStoredProcedure 'G23', 'NOF', '7/1/2009', '7/31/2009'
-- Doesn't return data
EXEC uspMyStoredProcedure 'G23,G22', 'NOF,ALT', '7/1/2009', '7/31/2009'
In SSRS I get an error that says:
Incorrect syntax near ','
It appears that the , separator is being included in the string instead of a delimiter
You need three things:
In the SSRS dataset properties, pass the multi-value param to the stored procedure as a comma-delimited string
=Join(Parameters!TerritoryMulti.Value, ",")
In Sql Server, you need a table-value function that can split a comma-delimited string back out into a mini table (eg see here). edit: Since SQL Server 2016 you can use the built-in function STRING_SPLIT for this
In the stored procedure, have a where clause something like this:
WHERE sometable.TerritoryID in (select Item from dbo.ufnSplit(#TerritoryMulti,','))
... where ufnSplit is your splitting function from step 2.
(Full steps and code in my blog post 'SSRS multi-value parameters with less fail'):
Let us assume that you have a multi value list #param1
Create another Internal Parameter on your SSRS report called #param2 and set the default value to:
=Join(Parameters!param1.value, 'XXX')
XXX can be any delimiter that you want, EXCEPT a comma (see below)
Then, you can pass #param2 to your query or stored procedure.
If you try to do it any other way, it will cause any string function that uses commas to separate arguments, to fail. (e.g. CHARINDEX, REPLACE).
For example Replace(#param2, ',', 'replacement') will not work. You will end up with errors like "Replace function requires 3 arguments".
Finally I was able to get a simple solution for this problem. Below I have provided all (3) steps that I followed.
I hope you guys will like it :)
Step 1 - I have created a Global Temp Table with one column.
CREATE GLOBAL TEMPORARY TABLE TEMP_PARAM_TABLE(
COL_NAME VARCHAR2(255 BYTE)
) ON COMMIT PRESERVE ROWS NOCACHE;
Step 2 - In the split Procedure, I didn't use any array or datatable, I have directly loaded the split values into my global temp table.
CREATE OR REPLACE PROCEDURE split_param(p_string IN VARCHAR2 ,p_separator IN VARCHAR2
)
IS
v_string VARCHAR2(4000);
v_initial_pos NUMBER(9) := 1;
v_position NUMBER(9) := 1;
BEGIN
v_string := p_string || p_separator;
delete from temp_param_policy;
LOOP
v_position :=
INSTR(v_string, p_separator, v_initial_pos, 1);
EXIT WHEN(NVL(v_position, 0) = 0);
INSERT INTO temp_param_table
VALUES (SUBSTR(v_string, v_initial_pos
, v_position - v_initial_pos));
v_initial_pos := v_position + 1;
END LOOP;
commit;
END split_param;
/
Step 3 - In the SSRS dataset parameters, I have used
=Join(Parameters!A_COUNTRY.Value, ",")
Step 4: In the start of your stored procedure executes the Procedure
Exec split_param(A_Country, ‘,’);
Step 5: In your stored procedure sql use the condition like below.
Where country_name in (select * from TEMP_PARAM_TABLE)
When SSRS passes the parameter it is in the form: Param1,Param2,Param3.
In the procedure, you just need to put identifiers around each parameter. And also identifiers around the value that is returned by the dataset. In my case, I used semicolons.
CREATE OR REPLACE PROCEDURE user.parameter_name (
i_multivalue_parameter
)
AS
l_multivalue_parameter varchar2(25555) := ';' || replace(i_multivalue_parameter,',',';') || ';';
BEGIN
select something
from dual
where (
instr(l_multivalue_parameter, ';' || database_value_that_is_singular || ';') > 0
)
END;
i_multivalue_parameter is passed in via SSRS.
l_multivalue_parameter reads the parameter passed in via SSRS and puts identifiers around each value.
database_value_that_is_singular is the value returned for each record.
So if 'Type1,Type2,Type3'is passed in via SSRS:
i_multivalue_parameter is: Type1,Type2,Type3
l_multivalue_parameter is: ;Type1;Type2;Type3;
database_value_that_is_singular is: ;Type1; or ;Type2; or ;Type3;
Instr will return a value over 0 if the parameter matches.
This works even if each parameters are similar. EG: "Type A" and "Type AA". That is "Type A" will not match "Type AA".
I found a simple way for my solution. Define the parameter value in the report as an expression like this
="'" + Join(Parameters!parm.Value,"','") + "'"
(in case you can't read it the first and last literals are double quote, single quote, double quote. The join literal is double quote, single quote, comma, single quote, double quote)
Then in the stored procedure you can use dynamic sql to create your statement. I did this to create a temp table of values to join to in a later query, like this:
CREATE #nametable (name nvarchar(64))
SET #sql = N'SELECT Name from realtable where name in (' + #namelist + ')'
INSERT INTO #nametable exec sp_executesql #sql
#namelist would be the name of the stored procedure parameter.