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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® Developers Kit User's GuideThe HCL Informix® DataBlade® Developers Kit User's Guide describes how to use tools to develop and package DataBlade® modules.
Programming guidelinesUse this section to help you when you write the design specification for your DataBlade® module.
Programming language optionsThis section explains the programming language options you have when you use BladeSmith to generate source code for your DataBlade® module.
Options for routinesIf you choose to program your user-defined routines in C, you can choose any of the routine options available in BladeSmith.
Handling opaque data types implemented in a different languageIf you create a routine in C, it can handle an opaque data type implemented in C++ without additional code. If you create a routine in Java™ that handles an opaque data type implemented in C or C++, BladeSmith generates a default implementation of the SQLData interface for the opaque data type.

Handling opaque data types implemented in a different language

If you create a routine in C, it can handle an opaque data type implemented in C++ without additional code. If you create a routine in Java™ that handles an opaque data type implemented in C or C++, BladeSmith generates a default implementation of the SQLData interface for the opaque data type.

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