The mi_qual_handlenull() accessor function
The mi_qual_handlenull() function determines whether the qualification function can accept NULL arguments.
Syntax
mi_boolean mi_qual_handlenull(MI_AM_QUAL_DESC *qualDesc)
- qualDesc
- Points to the qualification descriptor.
Usage
The database server indicates that a UDR can accept NULL-valued arguments if the CREATE FUNCTION statement specified the HANDLESNULLS routine modifier.
Return values
- MI_TRUE
- Indicates that the function handles NULL values
- MI_FALSE
- Indicates that the function does not handle NULL values.