SQL Struct with @lob (BLOB, CLOB) used as stored procedure parameter …

…type - fix (#1336)

Additional fix in Oracle12Platform class to use standard java.sql.Connection.createStruct() method.

Signed-off-by: Radek Felcman <radek.felcman@oracle.com>

foundation/org.eclipse.persistence.oracle/src/main/java/org/eclipse/persistence/platform/database/oracle/Oracle12Platform.java

@@ -183,6 +183,18 @@ public Struct createStruct(String structTypeName, Object[] attributes, AbstractR
                 attributes[index] = row.get(field);
             }
         }
-        return super.createStruct(structTypeName, attributes, session, connection);
+        return createStruct(structTypeName, attributes, connection);
+    }
+
+    /**
+     * Create java.sql.Struct from given parameters.
+     * @param structTypeName - the SQL type name of the SQL structured type that this Struct object maps to.
+     * @param attributes - the attributes that populate the returned object
+     * @param connection - DB connection
+     * @return Struct
+     */
+    @Override
+    public Struct createStruct(String structTypeName, Object[] attributes, Connection connection) throws SQLException {
+        return connection.createStruct(structTypeName, attributes);
     }
 }