Unsupported modifiers

Some modifiers for CREATE PROCEDURE and CREATE FUNCTION are not supported in this version of the database server.

HCL Informix® UDRs do not support the following routine modifiers of the SQLJ specification.
Table 1. Unsupported modifiers
Modifier How to handle the modifier
Read SQL data No Informix® equivalent
Contains SQL No Informix® equivalent
Modifies SQL data No Informix® equivalent
No SQL No Informix® equivalent
Return null on null input Informix® default for external routines
Call on null input Use the Informix® modifier HANDLESNULLS
Deterministic Use the Informix® modifier NOT VARIANT
Nondeterministic Use the Informix® modifier VARIANT
Returns Java data type in Java method signature No Informix® equivalent
In parameter Informix® default; no need to specify the modifier