| RDB$FUNCTION_NAME |
CHAR(31) |
The unique identifier of the BLOB filter |
| RDB$DESCRIPTION |
BLOB TEXT |
Documentation about the BLOB filter and the two
subtypes it is used with, written by the user
|
| RDB$MODULE_NAME |
VARCHAR(255) |
The name of the dynamic library or shared object where the
code of the BLOB filter is located
|
| RDB$ENTRYPOINT |
CHAR(31) |
The exported name of the BLOB filter in the filter library. Note, this
is often not the same as RDB$FUNCTION_NAME, which is the identifier with which the
BLOB filter is declared to the database
|
| RDB$INPUT_SUB_TYPE |
SMALLINT |
The BLOB subtype of the data to be converted by the
function
|
| RDB$OUTPUT_SUB_TYPE |
SMALLINT |
The BLOB subtype of the converted data |
| RDB$SYSTEM_FLAG |
SMALLINT |
Flag indicating whether the filter is user-defined
or internally defined:
- 0 = user-defined
- 1 or greater = internally defined
|
