Add support to handle user blob types (negative sub type) as UDTs [JDBC358] #400
Open
Description
Submitted by: @mrotteveel
The negative blob sub types in Firebird could be considered as UDTs (User Defined Types). Add support to read/write types implementing java.sql.SQLData (mapping to a specific subtype) reading and writing could probably be done as XDR.
TODO: More details