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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.
Debugging and testing DataBlade® modules on UNIX™This section describes how to debug and perform functional tests for DataBlade® modules written in C for Informix® on UNIX™.
Performing functional testsWhen you generate functional tests, BladeSmith creates a set of files that include shell scripts and SQL scripts for testing opaque data type support routines, user-defined routines, and cast support functions. By default, these files are created in the functest subdirectory of the directory containing the BladeSmith project file.
Functional test overviewFunctional tests include SQL scripts and shell scripts that execute the SQL scripts and determine the results. The shell scripts build test tables in a database, run the SQL test scripts, and then drop the test tables from the database.
Add custom test filesYou can add other tests or initialization scripts to your test suite by adding your own scripts in the subdirectories of the functest directory and editing the sample user.sh shell script that BladeSmith generates.

Add custom test files

You can add other tests or initialization scripts to your test suite by adding your own scripts in the subdirectories of the functest directory and editing the sample user.sh shell script that BladeSmith generates.

For example, you can add SQL scripts to create a test database, create special test tables in it, and execute custom tests against those tables.

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