The table on the following page is intended to clarify the definitions and purposes of the various method name types in the following list:
- The method name, which is specified in both the CREATE TYPE statement that associates the method with the UDT and in the CREATE METHOD statement that defines the method body.
- The SPECIFIC method name, which is specified in the method signature declaration of the CREATE TYPE statement that associates the method with the UDT.
- The method object name, or external method name, which is specified in the EXTERNAL NAME clause of the CREATE METHOD statement that defines the method body.
| Method Name | Scenario 1 | Scenario 2 | Scenario 3 | Scenario 4 |
|---|---|---|---|---|
| method_name | Always specified. Used as SQL-invoked routine name. |
Always specified. Used as SQL-invoked routine name. |
Always specified. Used as SQL-invoked routine name. |
Always specified. Used as SQL-invoked routine name. |
| SPECIFIC method_name | Specified. Used as the unique identifying SPECIFIC name for the method. |
Specified. Used as the unique identifying SPECIFIC name for the method. |
Not specified. System logic generates a default SPECIFIC method name and uses it as the unique identifying name for the method. |
Not specified. System logic generates a default SPECIFIC method name and uses it as the unique identifying name for the method. |
| EXTERNAL NAME external_method_name | Specified. Used as the routine entry point for the method. |
Not specified. The system assumes that the SPECIFIC method name is also the routine entry point for the method. |
Not specified. The system assumes that the SPECIFIC method name is also the routine entry point for the method. The system-generated SPECIFIC method name in this scenario is also used as the routine entry point for the method. |
Specified. Used as the routine entry point for the method. |