What is the use of table function in CDS?

How do you call a table function in SAP HANA

Open the HANA repository, navigate to the package, and then select Table function from the context menu. October 1, 2020

What is AMDP function

AMDP functions can be defined that can be accessed only in other AMDP methods and functions defined that implement CDS table functions. An AMDP function implementation is indicated as an AMDP method in the implementation part of the class using the addition BY DATABASE FUNCTION of the statement METHOD.

Can we call function module in CDS view

A CDS view should be created using the “Custom entity with parameters” template. 2. Create a custom entity according to the output you need, making sure to name the class “ABAP:ZCL_RFC_DETERMINE_JURISDICTION” where you will call your function module. April 18, 2021

How use CDS view with parameters in ABAP program

SELECT is used to access a CDS view with parameters as a data source. The values of these actual parameters can be determined by input. Actual parameters are assigned to the input parameters of the view.

What is difference between table function and procedure in HANA

The procedure returns a table in the same way as a “table function,” but transformations are possible through the procedure.Jun 25, 2021 The table function also permits some simple modifications such as the join, but it will not permit using the operations of DML.

What is table function SAP

You can use the from clause of a SQL statement to call a table function. Table functions are functions that users can query like any other database tables, and you can add them as a data source in your graphical calculation views.

How do you create a function table

Creating SQL table functions

1. Specify the functions name.
2. Give each input parameter a name and a data type.
3. List the usual characteristics.
4. Include the keyword RETURNS TABLE.
5. To introduce the function-body, specify the BEGIN ATOMIC keyword.
6. Name the body of the function.

Why do we use table function in CDS view

For the purposes of the CDS view, the table function behaves like a table and can be selected or joined in a CDS view like any table in the system. The table function merely exposes the output of the logic from the Method in a tabular format.

How do you create a CD function table

Create CDS Table Function

1. In Eclipse ABAP perspective, right click on your package and chose New > Other Repository Object.
2. Click Next after selecting Data Definition under Core Data Services.
3. Type in Name and Description, then click Next.
4. Click on Next after choosing a TR.

What is scalar function in SAP HANA

Developers can package complex algorithms into manageable, reusable code using scalar UDFs, which accept multiple input parameters and produce exactly one scalar value. These functions can then be nested within the field list of a SELECT statement.

What is the difference between input parameter and variable in SAP HANA

Variables are used for filtering in the output node of SQL Script based Calculation Views, where input parameters can be used for parameterization and filtering whenever necessary in the script.

What is AMDP in HANA ABAP

Since ABAP-Managed Database Procedures are implemented as methods of a global ABAP class, the editing environment for AMDP is the ABAP class editor. ABAP-Managed Database Procedures is one of the recommended patterns for use in ABAP code optimization within the context of ABAP development on SAP HANA.

How do I pass multiple values in input parameter in HANA

I. Define input parameter. Assign varchar data type to the input parameter (even if the filtered column is of integer type). Take into account that HANA concatenates multiple inserted values into a single string, so I defined maximum number of characters, which is 5000, to allow user to input as many values as it is supported.

What is decision table in SAP HANA

For the purpose of automating business decisions, decision tables generate business rules in a tabular format. Dec 18, 2018

What is input parameter in SAP HANA

The data is fetched based on the input value, when a view is executed, in SAP HANA, where input parameters are used to filter the data by passing an input from the user and to perform additional calculations at run time.

What is referential join in SAP HANA

Referential integrity occurs when every value in the foreign key column has a corresponding reference value in the primary key column of the master data table. Referential joins are used whenever a primary key and foreign key association exists between two tables in SAP HANA.

What is attribute view in SAP HANA

Attribute Views in SAP HANA Modeling are created on top of Dimension tables and are used to join Dimension tables or other Attribute Views; however, you cannot change the View Attributes when you copy an existing Attribute View from another Package into your own.

What is restricted column in SAP HANA

As the name implies, a restricted column is a user-created column whose output is restricted by a condition that we specify. For instance, if we dont want everyone to see all the data in a field, but instead want to decide whether or not to display this data based on a condition.