Spatial support in SQL Dev Data Modeler

Question

Hi,
I am designing some tables using the new SQL Developer Data Modeler, and have added some columns which will store point clouds and TINs (both using the specialized Oracle data types). I have noticed in Data Modeler that the SDO_GEOMETRY data type is available to use as a column type, but the SDO_PC and SDO_TIN data types are not available for use. Or perhaps the column types for these data types are actually something else - perhaps integers (given that several tables may be used to store this specialized data)?
Thanks,
Matt

Answer 1

Hi Matt,
there are additional meta data related to spatial tables (and indexes) - Data modeler helps these data to be defined and properly registered in USER_SDO_GEOM_METADATA view. Also specific meta data for spatial indexes can be defined - unfortunately support for spatial indexes in dialogs is broken. Still table related spatial meta data can be defined and generated - see example below. You also can import spatial meta data from database (support is at Oracle 10g level) - you need to check "Spatial Properties" in "Data dictionary Import wizard".
About SDO_Geometry data type and other types in MDSYS schema - SDO_Geometry comes predefined because of its importance for spatial table definitions - but that definition is incomplete (and still enough to be used). If you need complete definition of SDO_Geometry type or other types in MDSYS schema, you simply can import them from database and can use them in your model.
Philip
here is DDL with spatial meta data:
- Generated by Oracle SQL Developer Data Modeler Version: 2.0.0 Build: 570
-- at: 2009-07-22 00:12:29
-- site: Oracle Database 10g
-- type: Oracle Database 10g
CREATE OR REPLACE TYPE MARKET_TYPE
CREATE OR REPLACE TYPE MARKET_TYPE
AS OBJECT
SHAPE SDO_GEOMETRY ,
NAME VARCHAR2 (32)
) NOT FINAL
CREATE TABLE COLA_MARKETS
MKT_ID NUMBER NOT NULL ,
NAME VARCHAR2 (32 BYTE) ,
SHAPE MDSYS.SDO_GEOMETRY
ALTER TABLE COLA_MARKETS
ADD CONSTRAINT PK_COLA_MARKETS PRIMARY KEY ( MKT_ID ) ;
CREATE TABLE COLA_MARKETS_2
MKT_ID NUMBER NOT NULL ,
MARKET MARKET_TYPE NOT NULL
ALTER TABLE COLA_MARKETS_2
ADD CONSTRAINT PK_COLA_MARKETS_2 PRIMARY KEY ( MKT_ID ) ;
CREATE TABLE LONG_LAT_TABLE
LONGITUDE NUMBER ,
LATITUDE NUMBER ,
NAME VARCHAR2 (32 BYTE)
INSERT INTO USER_SDO_GEOM_METADATA ( TABLE_NAME , COLUMN_NAME , DIMINFO , SRID )
VALUES ( 'COLA_MARKETS', 'SHAPE' ,
MDSYS.SDO_DIM_ARRAY (
MDSYS.SDO_DIM_ELEMENT ('X',0,20,0.005),
MDSYS.SDO_DIM_ELEMENT ('Y',0,20,0.005)
NULL
INSERT INTO USER_SDO_GEOM_METADATA
VALUES
'COLA_MARKETS_2',
'MARKET.SHAPE',
MDSYS.SDO_DIM_ARRAY (
MDSYS.SDO_DIM_ELEMENT ('X',0,20,0.005),
MDSYS.SDO_DIM_ELEMENT ('Y',0,20,0.005)
NULL
CREATE INDEX COLA_SPATIAL_IDX_2 ON COLA_MARKETS_2
MARKET.SHAPE
INDEXTYPE IS MDSYS.SPATIAL_INDEX
INSERT INTO USER_SDO_GEOM_METADATA
VALUES
'LONG_LAT_TABLE',
'GET_LONG_LAT_PT(LONGITUDE,LATITUDE)',
MDSYS.SDO_DIM_ARRAY (
MDSYS.SDO_DIM_ELEMENT ('Longitude',-180,180,0.005),
MDSYS.SDO_DIM_ELEMENT ('Latitude',-90,90,0.005)
8307
;