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Get the Report →Build a PostgreSQL Interface for SAP ByDesign Data using the CData JDBC Driver
Use the Remoting features of the SAP ByDesign JDBC Driver to create a PostgreSQL entry-point for data access.
There are a vast number of PostgreSQL clients available on the Internet. From standard Drivers to BI and Analytics tools, PostgreSQL is a popular interface for data access. Using our JDBC Drivers, you can now create PostgreSQL entry-points that you can connect to from any standard client.
To access SAP ByDesign data as a PostgreSQL database, use the CData JDBC Driver for SAP ByDesign and a JDBC foreign data wrapper (FDW). In this article, we compile the FDW, install it, and query SAP ByDesign data from PostgreSQL Server.
Connect to SAP ByDesign Data as a JDBC Data Source
To connect to SAP ByDesign as a JDBC data source, you will need the following:
- Driver JAR path: The JAR is located in the lib subfolder of the installation directory.
Driver class:
cdata.jdbc.sapbydesign.SAPByDesignDriver
- JDBC URL:
The URL must start with "jdbc:sapbydesign:" and can include any of the connection properties in name-value pairs separated with semicolons.
Set the following connection properties to connect to SAP ByDesign.
- Url: Set this to the Url of your SAP ByDesign site. For example, https://test.sapbydesign.com
- User: Set this to the username of your account.
- Password: Set this to the password of your account.
- CustomService or AnalyticsService: Only one of these must be specified. If you have a custom service you want to retrieve data from, specify CustomService. If you want to retrieve the reports of a analytical service, specify AnalyticsService.
If neither is specified, 'cc_home_analytics.svc' will used as a default for the AnalyticsService property. If you are not sure what service to specify, you can always query the Services view to list available services.
Built-in Connection String Designer
For assistance in constructing the JDBC URL, use the connection string designer built into the SAP ByDesign JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.
java -jar cdata.jdbc.sapbydesign.jar
Fill in the connection properties and copy the connection string to the clipboard.
A typical JDBC URL is below:
jdbc:sapbydesign:URL=https://my999999.sapbydesign.com;User=username;Password=password;CustomService=servicename;
Build the JDBC Foreign Data Wrapper
The Foreign Data Wrapper can be installed as an extension to PostgreSQL, without recompiling PostgreSQL. The jdbc2_fdw extension is used as an example (downloadable here).
- Add a symlink from the shared object for your version of the JRE to /usr/lib/libjvm.so. For example:
ln -s /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/server/libjvm.so /usr/lib/libjvm.so
- Start the build:
make install USE_PGXS=1
Query SAP ByDesign Data as a PostgreSQL Database
After you have installed the extension, follow the steps below to start executing queries to SAP ByDesign data:
- Log into your database.
-
Load the extension for the database:
CREATE EXTENSION jdbc2_fdw;
-
Create a server object for SAP ByDesign:
CREATE SERVER SAPByDesign FOREIGN DATA WRAPPER jdbc2_fdw OPTIONS ( drivername 'cdata.jdbc.sapbydesign.SAPByDesignDriver', url 'jdbc:sapbydesign:URL=https://my999999.sapbydesign.com;User=username;Password=password;CustomService=servicename;', querytimeout '15', jarfile '/home/MyUser/CData/CData\ JDBC\ Driver\ for\ Salesforce MyDriverEdition/lib/cdata.jdbc.sapbydesign.jar');
-
Create a user mapping for the username and password of a user known to the MySQL daemon.
CREATE USER MAPPING for postgres SERVER SAPByDesign OPTIONS ( username 'admin', password 'test');
-
Create a foreign table in your local database:
postgres=# CREATE FOREIGN TABLE [inventory balance] ( [inventory balance]_id text, [inventory balance]_ID text, [inventory balance]_ProductCategoryID numeric) SERVER SAPByDesign OPTIONS ( table_name '[inventory balance]');
postgres=# SELECT * FROM [inventory balance];