I am trying to create a stored procedure in Hana Studio. In the stored procedure ,I am trying to give a default value to the input. my code is,
CREATE PROCEDURE defaultSchemaName.procedureName (IN INPUT NVARCHAR(10) DEFAULT 'TEST')
This runs fine when I am trying to create a .hdbprocedure but fails when I want to create a .procedure.
Is there any way to use a default procedure in Design Time?
This is not possible in SAP Hana as the .procedure artifact is now depricated and there would be no support for this artifact.
However one way of solving this problem is to convert the .procedure to .HDBprocedure(simply change the design-time artifact template and changes the type of artifact to .hdbprocedure).
In .hdbprocedure we can assign a default value to an input variable.
Related
I'm creating Stored Procedures to replace Legacy app programs for an IBM i. I'm calling the stored procedure from a Java Web App. I'm using the jt400 JDBC driver
My JDBC URL is jdbc:as400://myhost/;libraries=*LIBL,MYLIB;prompt=false
The stored procedures can call stored procedures
The initial stored procedure call completes normally if it does not make further stored procedure calls
If the stored procedure makes a call to other stored procedures it fails with
com.ibm.as400.access.AS400JDBCSQLSyntaxErrorException: [SQL0204] MY_SP in MYLIB type *N not found.
If I hard code a schema in the stored procedure call statement, the call completes normally.
I want to have the called stored procedures use the same schema as the caller
You need to SET PATH = "MYLIB"
When I am using SQuirreL to call a stored procedure, I need to use the SET PATH statement to get it to find the stored procedure. I don't know if that is because my library list is bad or what, but the current schema is not used to find an unqualified stored procedure.
I actually had this same problem, the stored procedure uses your job description library list. You need to edit that you can use TAATOOL CHGLBLJOBD. I am not in front of an iSeries at the moment but I believe the command was either EDTJOBDLIB or EDTJOBDLIBL WRKJOBDLIBL. It is some variation of that.
I have a stored procedure in oracle 11g containing three parameters.
Can I fetch the value of these three parameters from an excel file or any other file, eg: text file etc.
If so, then how can I do it.
You can create an sqlloader and load the values from the file into a temporary table. Then create a trigger, which fires on insert, calling the procedure with the inserted values.
Edit: Added info about sqlloader and triggers.
TL/DR. Create a control file, which contains the format of the input file, which basicly explains to the loader how to load the contents of the file into a given table. A tigger can call your procedure using the insert event.
I am trying to achieve the following scenario using crystal report:
Call stored procedure from SQL server using parameter that is set from data in each row of table in crystal report. See illustration in the figure below:
Each stored procedure for each row will be executed based on value that is passed to stored procedure.
I have been trying to call stored procedure using Database expert, and use the field for stored procedure the same as I use the field from Tables.
The problem is the report will always ask the value for the parameters, as this approach will generate parameter fields based on the parameter that is defined in stored procedure. I want the parameter values to be set automatically based on the data in each row.
Please let me know whether it is possible to achieve this scenario using crystal report. For the information, I don't have access to the source code that generate this report. So, I have to do this on report file.
I have been using Report Builder for some years, but I am getting tired of the cha-ching, cha-ching. It is a great reporting tool for "non database" reports.
I have started playing around with Fast Reports and I am utterly flustered with it. It seems a great reporting tool for databases but big question mark concerning complex "non database" reports. Their demos and help are horrible.
Wished I could show a report I am talking about. The report is a serial communications report that has operating system information which of course is single in nature. It has 4 distinct table which has installed serial ports and USB Serial Device tables. It also has a summary memo.
Has anyone successfully designed a report of the above configuration in Fast Reports? And yes, I have posted the same query with Fast Reports. Just want other opinions.
Thanks in advance.
I've extended the option provided by #jrodenhi's answer, which seems to be the proper way to do what you want (thus I've made this answer a community wiki). So here are the two options you can use (and I think there will be more of them):
1. Define custom variables
The answer by #jrodenhi shows how to add report variables in code. I'll try to show here, how to define them in report designer.
Open report designer
Go to menu Report / Variables...
In the Edit Variables window create a new category by clicking the Category button. Then you can rename the category the same way as you do e.g. for files in Windows Explorer:
Then you can declare a custom variable by clicking Variable button. You can give to the variable some meaningful name the same way as you do e.g. for files in Windows Explorer:
After this save your changes by clicking OK button:
Then you'll get back to the report designer, where you can find your just declared variables in the Data Tree pane tab Variables from where you can drag and drop the variables to the report:
After you refine all component positions and properties you can close the report designer and go back to the Delphi IDE. There you can write a handler for the OnGetValue event of your report and if its VarName parameter equals to your variable, change its Value parameter to the value you want to give to the associated report component:
procedure TForm1.frxReport1GetValue(const VarName: string; var Value: Variant);
begin
if VarName = 'MyVariable' then
Value := 'This is a new value!';
end;
2. Modify report components directly from Delphi code
There is an option of direct access to report components from your Delphi code. For instance, to find a certain report component by name you can use the FindObject method of the TfrxReport object. Then you can follow the usual pattern of checking if the returned reference is of type of the control you want to access and if so, you can access the instance by typecasting, as usually.
For example to find a TfrxMemoView object of name Memo1 on the frxReport1 report and modify its text you may write:
var
Component: TfrxComponent;
begin
Component := frxReport1.FindObject('Memo1');
if Component is TfrxMemoView then
TfrxMemoView(Component).Memo.Text := 'New text';
end;
Most of the reports I write are for payroll. In addition to the table based data that makes up the bulk of the report, there is usually a significant amount of singular data, such as user and employer information that is frequently most easily entered as a series of variables taken from a filter dialog that runs before the report. Once the filter has run I iterate through all of its variables and add them to the report variables. Maybe you could pick up your singular system variables and do the same.
This is my routine that runs just before I prepare a report. It not only adds variables, it also adds functions defined in Delphi that can be used in the report:
procedure TFastReportDriver.SetVariables(sVariables: String; var frxReport: TfrxReport);
var i,
iDetail: Integer;
sl: TStringList;
sVariable,
sValue: String;
begin
sl := TStringList.Create;
sl.CommaText := sVariables;
frxReport.Variables.Clear;
frxReport.Variables[' Filter'] := Null;
for i := 0 to sl.Count - 1 do begin
sVariable := sl.Names[i];
sValue := Qtd(sl.ValueFromIndex[i]);
frxReport.Variables.AddVariable('Filter', sVariable, sValue);
end;
frxReport.AddFunction('procedure CreateCheck(hPaystub, iCheckNo: Integer)');
frxReport.AddFunction('function NumberToWords(cAmount: Currency): String');
frxReport.OnUserFunction := repChecksUserFunction;
sl.Free;
end;
Then, in your code, you call frxReport.DesignReport and at run time you can drag and drop your variables onto your report:
And, if you have defined any functions like above, they show up under the functions tab.
I've had success with this method:
Use an in-memory table, such as TkbmMemTable, TdxMemTable or any in-memory table.
Link the in-memory table to the TfrDataSet.
Populate the in-memory table using usual TDataset methods and run the report.
You might want to take a look at using NexusDB as a way to hold data for the report. NexusDB is a database which besides being a full client server database can also run as a totaly in-memory database with full SQL support and no external dlls or anything required as it is compiled into your app. They have a free embedded version that will satisfy your needs. I use it for many things, it honestly a wonderful tool to have in your toolbox.
I have a Tadocommand on my datamodule which is connected to a MSSQL storedproc. The storedproc is used to update a table.
In my code I call the the tadocommand in the beforeupdaterecord method of one of my Tclientdatasets.
first I supply values to the tadocommand parameters using the deltads.fieldbyname().newvalue of the Tclientdataset then I call the execute procedure. It works ok for the first update but if i try to do a next update it generates "error changing varchar to datetime".
if i dynamically create the tadocommand in the beforeupdaterecord method i.e
sp1_editcontract:=Tadocommand.Create(nil);
sp1_editcontract.CommandType:=cmdStoredProc;
sp1_editcontract.Connection:=DMDBconn.DBConn;
sp1_editcontract.CommandText:='EditContract';
sp1_editcontract.Parameters.Refresh;
//assign parameter values
sp1_editcontract.execute;
sp1_editcontract.free;
it works without any errors. I think there is some problem with the parameters values when using the static Tadocommand on the datamodule.
why does multiple update generate an error when using a static created tadocommand and not for the dynamically created tadocommand?
I'm going to assume you are referring to TDatasetProvider.BeforeUpdateRecord and not TClientDataSet.BeforeUpdateRecord.
Its kinda hard to say from the information you've provided (you don't indicate the data types or order of the arguments for the stored procedure). The error message is coming from the SQL Server engine. I would make sure the values being assigned to the parameters are always being set in the correct order. Also try to identify which parameter is causing the error. If you can reliably reproduce it in your client code you may try calling the stored procedure in SSMS passing the same values that are causing the error in the client application.
Once you identify the parameter you can check that its datatype is consistent between the ADOCommand, DatasetProvider and ClientDataset. If it changes type along the way that may be the cause of the error.
One last suggestion, make sure you set TDatasetProvider.Applied := True before exiting the BeforeUpdateRecord handler. This prevents the dataset provider from trying to apply the update using dynamic sql after you've already applied the updates. If the data in the client dataset was populated by a TADOQuery it may be attempting to update the tables directly.
I had a similar problem. In order to clear all the existing parameters of the ADOCommand before adding new ones a used the following code:
while Command.Parameters.Count>0 do
Command.Parameters.Delete(0);
Parameters.Clear should had worked, but it didn´t, so I decided to remove the parameters one by one. That fixed to me.