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|
ij> --
-- Licensed to the Apache Software Foundation (ASF) under one or more
-- contributor license agreements. See the NOTICE file distributed with
-- this work for additional information regarding copyright ownership.
-- The ASF licenses this file to You under the Apache License, Version 2.0
-- (the "License"); you may not use this file except in compliance with
-- the License. You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
autocommit off;
ij> create table t1 (c1 int primary key, c2 int);
0 rows inserted/updated/deleted
ij> insert into t1 values
(1, 1), (2, 2), (3, 3), (4, 4), (5, 5),
(6, 6), (7, 7), (8, 8), (9, 9), (10, 10);
10 rows inserted/updated/deleted
ij> get scroll insensitive cursor sc1 as 'SELECT * FROM t1 FOR UPDATE';
ij> next sc1;
C1 |C2
-----------------------
1 |1
ij> next sc1;
C1 |C2
-----------------------
2 |2
ij> -- update row nr. 2 after positioning with next
update t1 set c2 = c1 + 20 where current of sc1;
1 row inserted/updated/deleted
ij> absolute 5 sc1;
C1 |C2
-----------------------
5 |5
ij> -- update row nr. 5 after positioning with absolute
update t1 set c2 = c1 + 20 where current of sc1;
1 row inserted/updated/deleted
ij> relative 2 sc1;
C1 |C2
-----------------------
7 |7
ij> -- update row nr. 7 after positioning with relative
update t1 set c2 = c1 + 20 where current of sc1;
1 row inserted/updated/deleted
ij> previous sc1;
C1 |C2
-----------------------
6 |6
ij> -- update row nr. 6 after positioning with previous
update t1 set c2 = c1 + 20 where current of sc1;
1 row inserted/updated/deleted
ij> relative -1 sc1;
C1 |C2
-----------------------
5 |25
ij> last sc1;
C1 |C2
-----------------------
10 |10
ij> -- update row nr. 10 after positioning with last
update t1 set c2 = c1 + 20 where current of sc1;
1 row inserted/updated/deleted
ij> after last sc1;
No current row
ij> -- update when positioned after last should cause an error
update t1 set c2 = c1 + 20 where current of sc1;
ERROR 24000: Invalid cursor state - no current row.
ij> first sc1;
C1 |C2
-----------------------
1 |1
ij> -- update row nr. 1 after positioning with first
update t1 set c2 = c1 + 20 where current of sc1;
1 row inserted/updated/deleted
ij> before first sc1;
No current row
ij> -- update when positioned before first should cause an error
update t1 set c2 = c1 + 20 where current of sc1;
ERROR 24000: Invalid cursor state - no current row.
ij> close sc1;
ij> commit;
ij> -- check that row where correctly updated
select * from t1;
C1 |C2
-----------------------
1 |21
2 |22
3 |3
4 |4
5 |25
6 |26
7 |27
8 |8
9 |9
10 |30
ij> get scroll insensitive cursor sc1 as 'SELECT * FROM t1 FOR UPDATE';
ij> next sc1;
C1 |C2
-----------------------
1 |21
ij> next sc1;
C1 |C2
-----------------------
2 |22
ij> -- delete row nr. 2 after positioning with next
delete from t1 where current of sc1;
1 row inserted/updated/deleted
ij> absolute 5 sc1;
C1 |C2
-----------------------
5 |25
ij> -- delete row nr. 5 after positioning with absolute
delete from t1 where current of sc1;
1 row inserted/updated/deleted
ij> relative 2 sc1;
C1 |C2
-----------------------
7 |27
ij> -- delete row nr. 7 after positioning with relative
delete from t1 where current of sc1;
1 row inserted/updated/deleted
ij> previous sc1;
C1 |C2
-----------------------
6 |26
ij> -- delete row nr. 6 after positioning with previous
delete from t1 where current of sc1;
1 row inserted/updated/deleted
ij> relative -1 sc1;
C1 |C2
-----------------------
NULL |NULL
ij> last sc1;
C1 |C2
-----------------------
10 |30
ij> -- delete row nr. 10 after positioning with last
delete from t1 where current of sc1;
1 row inserted/updated/deleted
ij> after last sc1;
No current row
ij> -- delete when positioned after last should cause an error
delete from t1 where current of sc1;
ERROR 24000: Invalid cursor state - no current row.
ij> first sc1;
C1 |C2
-----------------------
1 |21
ij> -- delete row nr. 1 after positioning with first
delete from t1 where current of sc1;
1 row inserted/updated/deleted
ij> before first sc1;
No current row
ij> -- delete when positioned before first should cause an error
delete from t1 where current of sc1;
ERROR 24000: Invalid cursor state - no current row.
ij> close sc1;
ij> commit;
ij> -- check that row where correctly updated
select * from t1;
C1 |C2
-----------------------
3 |3
4 |4
8 |8
9 |9
ij>
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