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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.
GlossaryThis section contains additional reference information
SQL error code

SQL error code

Error codes are allocated for your DataBlade® module by the HCL Informix® DataBlade Developer's Program registry, ensuring that your error codes do not conflict with built-in error codes or with those error codes of other DataBlade modules.

Error message codes, which must conform to the SQL standard for SQLSTATE, have the following format:

The first character is the letter U.
The second and third characters are unique alphabetic characters assigned to the DataBlade module.
The fourth and fifth characters are alphanumeric.

Using this format, a DataBlade module can have up to 1,296 error codes. If you anticipate no more than 36 error codes, you can use the three-character object name prefix in the second, third, and fourth positions, and the digits 0 - 9 and the letters A through Z in the fifth position.

See the Informix DataBlade Developers Kit User's Guide for information about how to obtain your error codes.

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