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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.
AppendixesThis section contains additional reference information.
Source files generated for DataBlade® modulesYou can use the tables in this section to find a brief description of the types of files BladeSmith generates for your DataBlade® project.
Unit test files

Unit test files

When you generate unit tests for a DataBlade® module, BladeSmith generates the files listed in the following table in the src\tests directory.

Table 1. Unit test files
File name	Description
Setup.sql	Optionally initializes the database. You can add SQL statements to create and populate the tables necessary for your debugging tests. If you specify this file as your initialization file in the Properties dialog box, IfxQuery automatically runs this file after it creates a database.
Routine.sql	Tests the user-defined routine. You can add SQL statements or modify the sample data for the routine. Use this file if you are debugging udr.c. IfxQuery runs this file if you click Debug DataBlade Module with this file in the active window.
Opaque.sql	Tests the support routines for each opaque data type. You can add SQL statements or modify the sample data for each support routine. Use this file if you are debugging Opaque.c or OpaqueServer.cpp. IfxQuery runs this file if you click Debug DataBlade Module with this file in the active window.
Cleanup.sql	Optionally deletes and drops tables and data in your test database. IfxQuery runs this file if you click Debug DataBlade Module with this file in the active window.

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