JDBC insert empty STRUCT (JGeometry) into SDO_GEOMETRY
Hi!
I need to insert empty or null value intro oracle table with SDO_GEOMETRY field.
I'm using prepared statement.
I have tried pstmt.setNull(1, null), pstmt.setObject(1, null)
Normaly I do it like this:
STRUCT obj = JGeometry.store(jgeom, conn);
pstmt.setObject(1, obj);
So I probably need to create an empty STRUCT or something.
I have also tried using :
StructDescriptor type_descriptor = StructDescriptor.createDescriptor ("MDSYS.SDO_GEOMETRY", conn); but I don't know if I'm using it right.
The syntax is like:
StructDescriptor structdesc = StructDescriptor.createDescriptor (sql_type_name, connection); but I don't know what sql_type_name means? Is it tablename, fieldname? Tried them all...no success.
I've read that JDBC doesn't support that kind of insert with setNull, is there a workaround or any other way of doing this.
Thanks in advance and have a nice day.
Simon
http://www.oracle.com/technology/tech/java/sqlj_jdbc/pdf/a96654.pdf seems to have the clues that you are looking for.
BTW, we are adding a Connection.createStruct/Array method so that you can create these types of objects in portable with JDBC in JDBC 4
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