RDB$FILTERS

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RDB$FILTERS tracks information about a Blob filter.

RDB$FILTERS

Column name	Data type	Length	Description
RDB$FUNCTION_NAME	CHAR	67	Unique name for the filter defined by this row
RDB$DESCRIPTION	BLOB		Subtype Text: Contains a user-written description of the filter being defined
RDB$MODULE_NAME	VARCHAR	253	Names the library where the filter executable is stored
RDB$ENTRYPOINT	CHAR	67	The entry point within the filter library for the Blob filter being defined
RDB$INPUT_SUB_TYPE	SMALLINT		The Blob subtype of the input data
RDB$OUTPUT_SUB_TYPE	SMALLINT		The Blob subtype of the output data
RDB$SYSTEM_FLAG	SMALLINT		Indicates whether the filter is: User-defined (value of 0) System-defined (value greater than 0)