   USING btree
   (id_object, obj_type, obj_value);
 
+CREATE INDEX idx_o_all
+  ON wb_objects
+  USING btree
+  (obj_type, obj_value, obj_lang, obj_datatype, id_object);
+
+
 -- Index: idx_vo
 
 -- DROP INDEX idx_vo;

  ON wb_strings
  USING btree
  (id_string, string);




      ON UPDATE NO ACTION ON DELETE NO ACTION,
  CONSTRAINT fk_graph_uri FOREIGN KEY (graph_uri)
      REFERENCES wb_strings (id_string) MATCH SIMPLE
      ON UPDATE NO ACTION ON DELETE NO ACTION,
  CONSTRAINT uq_ver_uri UNIQUE (graph_version, graph_uri)
)
WITH (
  OIDS=FALSE
