IBM Informix User-Defined Routines and Data Types Developer's Guide
Introduction
Extending the Database Server
Using a User-Defined Routine
Running a User-Defined Routine
Developing a User-Defined Routine
Extending Data Types
In This Chapter
Understanding the Data Type System
Understanding Data Types
Built-In Data Types
Extended Data Types
Extending the Data Type System
Extending Operators and Built-In Functions
Creating User-Defined Casts
Creating User-Defined Aggregates
Creating an Opaque Data Type
Writing Support Functions
Extending an Operator Class
Managing a User-Defined Routine
Improving UDR Performance
Appendix. Accessibility
Notices
Index