RDB$FUNCTIONS

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RDB$FUNCTIONS defines a user-defined function.

RDB$FUNCTIONS

Column name	Datatype	Length	Description
RDB$FUNCTION_NAME	CHAR	67	Unique name for a function
RDB$FUNCTION_TYPE	SMALLINT		Reserved for future use
RDB$QUERY_NAME	CHAR	67	Alternate name for the function that can be used in isql
RDB$DESCRIPTION	BLOB		Subtype Text: Contains a user-written description of the function being defined
RDB$MODULE_NAME	VARCHAR	253	Names the function library where the executable function is stored
RDB$ENTRYPOINT	CHAR	67	Entry point within the function library for the function being defined
RDB$RETURN_ARGUMENT	SMALLINT		Position of the argument returned to the calling program; this position is specified in relation to other arguments
RDB$SYSTEM_FLAG	SMALLINT		Indicates whether the function is: User-defined (value of 0) System-defined (value of 1)