LMS-1569 Create FEATURE_DEFS and FEATURE_VALUES tables.

SVN: 16464

screening/source/sql/postgresql/002/schema-002.sql

@@ -156,8 +156,6 @@ CREATE INDEX IMAGES_THUMBNAIL_IDX ON ACQUIRED_IMAGES(THUMBNAIL_ID);
 /* FEATURE VECTORS                                                        */
 /* ---------------------------------------------------------------------- */ 
 
-/* --- UNUSED YET ---------------------------------------
-
 CREATE TABLE FEATURE_DEFS (
     ID BIGSERIAL  NOT NULL,
     
@@ -188,12 +186,11 @@ CREATE TABLE FEATURE_VALUES (
 		
 		PRIMARY KEY (ID),
 		CONSTRAINT FK_FEATURE_VALUES_1 FOREIGN KEY (FD_ID) REFERENCES FEATURE_DEFS (ID) ON DELETE CASCADE ON UPDATE CASCADE,
-    CONSTRAINT FK_FEATURE_VALUES_2 FOREIGN KEY (DS_ID) REFERENCES DATA_SETS (ID) ON DELETE CASCADE ON UPDATE CASCADE,
-		CONSTRAINT FEATURE_VALUES_UK_1 UNIQUE(Z_in_M, T_in_SEC)
+    CONSTRAINT FK_FEATURE_VALUES_2 FOREIGN KEY (DS_ID) REFERENCES DATA_SETS (ID) ON DELETE CASCADE ON UPDATE CASCADE
+    -- This constaint does not make any sense. Leave it out for now.
+    -- CONSTRAINT FEATURE_VALUES_UK_1 UNIQUE(Z_in_M, T_in_SEC)
 );
 
 CREATE INDEX FEATURE_VALUES_FD_IDX ON FEATURE_VALUES(FD_ID);
 CREATE INDEX FEATURE_VALUES_DS_IDX ON FEATURE_VALUES(DS_ID);
 CREATE INDEX FEATURE_VALUES_Z_AND_T_IDX ON FEATURE_VALUES(Z_in_M, T_in_SEC);
-
-  --- END UNUSED YET --------------------------------------- */