Example: Function with TD_ANYTYPE Parameter and Return Type - Advanced SQL Engine - Teradata Database

SQL External Routine Programming

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Published
July 2021
Language
English (United States)
Last Update
2021-07-27
dita:mapPath
rin1593638965306.ditamap
dita:ditavalPath
rin1593638965306.ditaval
dita:id
B035-1147
lifecycle
previous
Product Category
Teradata Vantageā„¢

Here is an example of how to declare a Java function that uses a TD_ANYTYPE parameter and return type:

public static java.lang.Object get_smallest(java.lang.Object Obj1,
java.lang.Object Obj2) throws SQL Exception

The following shows the corresponding CREATE FUNCTION statement:

CREATE FUNCTION get_smallest(C1 TD_ANYTYPE, C2 TD_ANYTYPE)
     RETURNS TD_ANYTYPE
     LANGUAGE JAVA
     NO SQL
     PARAMETER STYLE JAVA
     EXTERNAL NAME
     'UDF_JAR:UserDefinedFunctions.get_smallest';

You can also write the CREATE FUNCTION statement as:

CREATE FUNCTION get_smallest(C1 TD_ANYTYPE, C2 TD_ANYTYPE)
     RETURNS TD_ANYTYPE
     LANGUAGE JAVA
     NO SQL
     PARAMETER STYLE JAVA
     EXTERNAL NAME
   'UDF_JAR:UserDefinedFunctions.get_smallest(java.lang.Object, java.lang.Object) returns java.lang.Object';

For an example of a Java UDF that uses a TD_ANYTYPE parameter, see Java Function Using TD_ANYTYPE Parameters.