Extending Informix-Universal Server: Data Types
Introduction
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Major Features
Extending INFORMIX-Universal Server: Data Types
provides information on how to use Universal Server features to extend data types:
Extend operators by writing new SQL functions and registering them with the
CREATE FUNCTION
statement
Support data conversion by creating new casts
Extend operator classes by writing new strategy and support functions, registering new operator classes with the
CREATE OPCLASS
statement, and building nondefault indexes with the
CREATE INDEX
statement
Create opaque data types by creating an internal structure and writing support functions, registering the new opaque type with the
CREATE OPAQUE TYPE
statement, and granting privileges with the
GRANT
statement
Write support functions for an opaque type in the C language
The Introduction to each Version 9.1 product manual contains a list of major features for that product. The Introduction to each manual in the Version 9.1
Informix Guide to
SQL
series contains a list of new SQL features.
Major features for Version 9.1 Informix products also appear in release notes.
Extending Informix-Universal Server: Data Types
, version 9.1
Copyright © 1998, Informix Software, Inc. All rights reserved.
