java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/SURTest_ij.sql

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--      http://www.apache.org/licenses/LICENSE-2.0
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--
autocommit off;
create table t1 (c1 int primary key, c2 int);
insert into t1 values 
    (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), 
    (6, 6), (7, 7), (8, 8), (9, 9), (10, 10);
get scroll insensitive cursor sc1 as 'SELECT * FROM t1 FOR UPDATE';
next sc1;
next sc1;
-- update row nr. 2 after positioning with next
update t1 set c2 = c1 + 20 where current of sc1;
absolute 5 sc1;
-- update row nr. 5 after positioning with absolute
update t1 set c2 = c1 + 20 where current of sc1;
relative 2 sc1;
-- update row nr. 7 after positioning with relative
update t1 set c2 = c1 + 20 where current of sc1;
previous sc1;
-- update row nr. 6 after positioning with previous
update t1 set c2 = c1 + 20 where current of sc1;
relative -1 sc1;
last sc1;
-- update row nr. 10 after positioning with last
update t1 set c2 = c1 + 20 where current of sc1;
after last sc1;
-- update when positioned after last should cause an error
update t1 set c2 = c1 + 20 where current of sc1;
first sc1;
-- update row nr. 1 after positioning with first
update t1 set c2 = c1 + 20 where current of sc1;
before first sc1;
-- update when positioned before first should cause an error
update t1 set c2 = c1 + 20 where current of sc1;
close sc1;
commit;
-- check that row where correctly updated
select * from t1;
get scroll insensitive cursor sc1 as 'SELECT * FROM t1 FOR UPDATE';
next sc1;
next sc1;
-- delete row nr. 2 after positioning with next
delete from t1 where current of sc1;
absolute 5 sc1;
-- delete row nr. 5 after positioning with absolute
delete from t1 where current of sc1;
relative 2 sc1;
-- delete row nr. 7 after positioning with relative
delete from t1 where current of sc1;
previous sc1;
-- delete row nr. 6 after positioning with previous
delete from t1 where current of sc1;
relative -1 sc1;
last sc1;
-- delete row nr. 10 after positioning with last
delete from t1 where current of sc1;
after last sc1;
-- delete when positioned after last should cause an error
delete from t1 where current of sc1;
first sc1;
-- delete row nr. 1 after positioning with first
delete from t1 where current of sc1;
before first sc1;
-- delete when positioned before first should cause an error
delete from t1 where current of sc1;
close sc1;
commit;
-- check that row where correctly updated
select * from t1;