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Extending Informix®Beyond standard relational database objects, HCL Informix® can be extended to handle specialized data types, access methods, routines, and other objects. Informix® includes many built-in extensions that are fully integrated in the database server. Informix® 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 Informix®.
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 Informix® 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 Informix® databases.
DataBlade® Module Development OverviewThe HCL Informix® DataBlade® module overview serves as an overview of the HCL Informix® DataBlade® module development process.
DataBlade® module concepts
DataBlade® module components
Unit testsBladeSmith generates unit tests for your opaque data type support routines, user-defined routines, and cast support functions.

Unit tests

BladeSmith generates unit tests for your opaque data type support routines, user-defined routines, and cast support functions.

BladeSmith adds data to test boundary conditions for your data types. Use unit tests while you debug your DataBlade® module by using Microsoft™ Visual C++ on Windows™. Run unit tests with the DBDK Visual C++ Add-In and IfxQuery (see DBDK Visual C++ Add-In and IfxQuery).

For more information, see the Informix® DataBlade Developers Kit User's Guide.

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