72 lines
1.9 KiB
Plaintext
72 lines
1.9 KiB
Plaintext
|
#This file is part of SECONDO.
|
||
|
|
|
||
|
|
#Copyright (C) 2004, University in Hagen, Department of Computer Science,
|
||
|
|
#Database Systems for New Applications.
|
||
|
|
|
||
|
|
#SECONDO is free software; you can redistribute it and/or modify
|
||
|
|
#it under the terms of the GNU General Public License as published by
|
||
|
|
#the Free Software Foundation; either version 2 of the License, or
|
||
|
|
#(at your option) any later version.
|
||
|
|
|
||
|
|
#SECONDO is distributed in the hope that it will be useful,
|
||
|
|
#but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
#GNU General Public License for more details.
|
||
|
|
|
||
|
|
#You should have received a copy of the GNU General Public License
|
||
|
|
#along with SECONDO; if not, write to the Free Software
|
||
|
|
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
|
||
|
|
# Array von Objekten vom Kind DATA
|
||
|
|
|
||
|
|
delete ad;
|
||
|
|
|
||
|
|
create ad : array(date);
|
||
|
|
|
||
|
|
update ad := [const array(date) value ("2003-01-30" "2003-01-31" "2003-02-01")];
|
||
|
|
|
||
|
|
query size(ad);
|
||
|
|
|
||
|
|
# Array von Relationen
|
||
|
|
|
||
|
|
delete ar;
|
||
|
|
|
||
|
|
create ar : array(rel(tuple((no:int))));
|
||
|
|
|
||
|
|
update ar := [const array(rel(tuple((no:int)))) value (((1)) ((2)(3)) ((4)(5)(6)) ((7)(8)(9)(10)))];
|
||
|
|
|
||
|
|
query get(ar,3) feed consume;
|
||
|
|
|
||
|
|
query get(put(ar,[const rel(tuple((no:int))) value ((1)(2)(3)(4))],3),3) feed consume;
|
||
|
|
|
||
|
|
query get(put(ar,get(ar,3),0),0) feed consume;
|
||
|
|
|
||
|
|
# Zweidimensionales Array von Integer-Werten
|
||
|
|
|
||
|
|
delete ta;
|
||
|
|
|
||
|
|
create ta : array(array(int));
|
||
|
|
|
||
|
|
update ta := [const array(array(int)) value ((1 2 3) (4 5 6))];
|
||
|
|
|
||
|
|
query get(get(ta,1),2);
|
||
|
|
|
||
|
|
query put(ta,put(get(ta,1),9,2),1)
|
||
|
|
|
||
|
|
# Distribute und Summarize
|
||
|
|
|
||
|
|
delete tenTest;
|
||
|
|
|
||
|
|
create tenTest : rel(tuple((no:int,na:string)));
|
||
|
|
|
||
|
|
update tenTest := [const rel(tuple((no:int,na:string)))
|
||
|
|
value ((1 "One")(2 "Two")(3 "Three")(4 "Four")(5 "Five")
|
||
|
|
(6 "Six")(7 "Seven")(8 "Eight")(9 "Nine")(10 "Ten"))];
|
||
|
|
|
||
|
|
delete prel;
|
||
|
|
|
||
|
|
let prel = tenTest feed extend[mod2 : .no mod 2] distribute[mod2];
|
||
|
|
|
||
|
|
query prel summarize consume;
|
||
|
|
|