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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.
Debugging and testing DataBlade® modules on UNIX™This section describes how to debug and perform functional tests for DataBlade® modules written in C for HCL OneDB™ on UNIX™.
Install and register DataBlade® modulesInstalling a DataBlade® module places the files of the module in a subdirectory of the $ONEDB_HOME/extend directory; registering a DataBlade® module adds the module to a database. You must install and register before you can test or debug a DataBlade® module.
Register a DataBlade® moduleYou need to register your DataBlade® module the first time you install it and if you change the definition of any of your DataBlade® module objects in BladeSmith and generate new SQL files. You do not have to reregister your DataBlade® module when you only replace its shared object file.

Register a DataBlade module

You need to register your DataBlade® module the first time you install it and if you change the definition of any of your DataBlade module objects in BladeSmith and generate new SQL files. You do not have to reregister your DataBlade module when you only replace its shared object file.

See the HCL OneDB™ DataBlade Module Installation and Registration Guide for more information about registering DataBlade modules.

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