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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.
DBDK InfoShelfThe DataBlade® Developers Kit InfoShelf is designed to help you work with BladeSmith.
DataBlade® Developers Kit TutorialThe Tutorial is a set of exercises that demonstrate how to create extensions to HCL Informix® and package them as DataBlade® modules by using DBDK. Support for DataBlade Developers Kit (DBDK) is removed starting Informix Server 14.10.xC6.
Tutorial exercise 4: Creating opaque data typesThis exercise demonstrates how to create opaque data types, their support routines, and user-defined routines that operate on them. This exercise has 11 steps. It takes approximately one hour to complete.
Creating a project for the Circle DataBlade® module

Creating a project for the Circle DataBlade module

About this task

To create a project for the Circle DataBlade® module:

Procedure

Start BladeSmith from the Informix® program group and choose Project -> New.

Type the following information into the New Project wizard.


Project Property	Value
DataBlade module name	Circle
New Object Prefix	Leave blank
Description Locale	en_us.1252
Server Compatibility	Your database server version
Project version number (Major.Minor)	1.0
Project description	This DataBlade module supports the Pnt and Circ opaque types.
Vendor unique ID (optional)	Your company name
Company information	Your company name, copyright, and contact information

Click Finish.
Choose Project > Save; create a directory called Circle in any convenient place on your hard disk drive and save your project there as a file called Circle.ibs.

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