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Extending HCL OneDB™Beyond standard relational database objects, HCL OneDB™ can be extended to handle specialized data types, access methods, routines, and other objects. HCL OneDB™ includes many built-in extensions that are fully integrated in the database server. HCL OneDB™ also provides DataBlade® modules, which are packages of extended database objects for a particular purpose and that are installed separately from the database server. Alternatively, you can create your own user-defined objects for HCL OneDB™.
Creating extensionsYou can create user-defined data types, routines, access methods, and other database objects to suit your needs. You can use application programming interfaces to write user-defined routines and applications that access data in HCL OneDB™ databases.
DataBlade® Developers KitThe DataBlade® Developers Kit (DBDK) guides contain information about the tools you can use to develop and package DataBlade® modules, which extend the functionality of HCL OneDB™ databases.
DataBlade® Developers Kit User's GuideThe HCL OneDB™ DataBlade® Developers Kit Users Guide describes how to use OneDB® DataBlade® Developers Kit (DBDK) tools to develop and package DataBlade® modules.
Create DataBlade® objects by using BladeSmithUse BladeSmith to create DataBlade® modules.
Perform functional test dataYou can perform functional tests on your DataBlade® module routines by using the functional tests generated by BladeSmith. You must enter test data for functional tests in BladeSmith. You run functional tests on UNIX™, or you run them on Windows™ by using a toolkit that is compatible with UNIX™, such as MKS Toolkit.
Test data for opaque type support routinesTo enter test data for an opaque type support routine, select the routine and choose Edit > Gather Test Data.

Test data for opaque type support routines

To enter test data for an opaque type support routine, select the routine and choose Edit > Gather Test Data.

For opaque type support routines, each test data item includes the following elements:

Table 1. Test data for opaque type support routines
Test data item	What to test for
An input value for the data type	This value must be in the format specified for the text input routine.
The expected output value for the input value	This value must be in the format specified for the text output routine of the type.
An error code, if the input value is not valid	Leave this entry blank when the input value is expected to be correct.

Enter values to test the opaque type boundaries. For example, if a type does not accept negative input values, enter test data with negative values and specify the error code you expect to receive from the text input routine.

The data you enter for an opaque type is used to test all of the supporting routines defined for the type. BladeSmith generates SQL scripts to test each supporting routine, including the text input and output routines and other routines, such as binary input and output routines and comparison routines. Add test data values that thoroughly test each of these routines.

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