contains a row for each user-defined function (UDF) registered
automatically by a component or plugin, or manually by a
FUNCTION statement. For information about operations
that add or remove table rows, see
Installing and Uninstalling User-Defined Functions.
has these columns:
The UDF name as referred to in SQL statements. The value is
NULLif the function was registered by a
CREATE FUNCTIONstatement and is in the process of unloading.
The UDF return value type. The value is one of
The UDF type. The value is one of
The name of the library file containing the executable UDF code. The file is located in the directory named by the
plugin_dirsystem variable. The value is
NULLif the UDF was registered by a component or plugin rather than by a
The current UDF usage count. This is used to tell whether statements currently are accessing the UDF.
has these indexes:
Primary key on (