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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
Functional testsBladeSmith generates functional tests for your opaque data type support routines, user-defined routines, and cast support functions.

Functional tests

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

You must supply input data, the expected output data (if applicable), or an error code (if the input data is not valid) in BladeSmith. Run functional tests on UNIX™ after you finish coding your DataBlade® module.

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

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