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. -- -- create a table create table t1(c11 int, c12 int); 0 rows inserted/updated/deleted ij> -- insert data into tables insert into t1 values(1,1); 1 row inserted/updated/deleted ij> insert into t1 values(2,2); 1 row inserted/updated/deleted ij> -- set autocommit off autocommit off; ij> -- first test - make sure that only cursors created with holdability true -- have open resultsets after commit -- declare 3 different kind of cursors one for each jdbc release so far get with nohold cursor jdk1 as 'SELECT * FROM t1'; ij> get scroll insensitive with nohold cursor jdk2 as 'SELECT * FROM t1'; ij> get with hold cursor jdk4 as 'SELECT * FROM t1'; ij> -- do fetches from these cursors next jdk1; C11 |C12 ----------------------- 1 |1 ij> next jdk2; C11 |C12 ----------------------- 1 |1 ij> next jdk4; C11 |C12 ----------------------- 1 |1 ij> --commit commit; ij> -- now try the fetch on cursors again after commit -- cursors jdk1 and jdk2 will give errors next jdk1; ERROR XCL16: ResultSet not open. Operation 'next' not permitted. Verify that autocommit is OFF. ij> next jdk2; ERROR XCL16: ResultSet not open. Operation 'next' not permitted. Verify that autocommit is OFF. ij> next jdk4; C11 |C12 ----------------------- 2 |2 ij> -- end of resultset for jdk4, but try next again next jdk4; No current row ij> close jdk4; ij> next jdk4; IJ ERROR: Unable to establish cursor JDK4@CONNECTION0 ij> -- clean up. close jdk1; ij> close jdk2; ij> -- second test - make sure that all the cursors (including holdability true) -- have their resultsets closed after rollback. -- declare the cursors again, this time, try with rollback get with nohold cursor jdk1 as 'SELECT * FROM t1'; ij> get scroll insensitive with nohold cursor jdk2 as 'SELECT * FROM t1'; ij> get with hold cursor jdk4 as 'SELECT * FROM t1'; ij> -- do fetches from these cursors next jdk1; C11 |C12 ----------------------- 1 |1 ij> next jdk2; C11 |C12 ----------------------- 1 |1 ij> next jdk4; C11 |C12 ----------------------- 1 |1 ij> --rollback rollback; ij> -- now try the fetch on cursors again after rollback -- all the cursors will give errors next jdk1; ERROR XCL16: ResultSet not open. Operation 'next' not permitted. Verify that autocommit is OFF. ij> next jdk2; ERROR XCL16: ResultSet not open. Operation 'next' not permitted. Verify that autocommit is OFF. ij> next jdk4; ERROR XCL16: ResultSet not open. Operation 'next' not permitted. Verify that autocommit is OFF. ij> -- clean up. close jdk1; ij> close jdk2; ij> close jdk4; ij> drop table t1; 0 rows inserted/updated/deleted ij> -- recreate and populate the table for next test create table t1(c11 int, c12 int); 0 rows inserted/updated/deleted ij> insert into t1 values(1,1); 1 row inserted/updated/deleted ij> insert into t1 values(2,2); 1 row inserted/updated/deleted ij> -- fourth test - try to change the isolation level while there are -- held cursors get with nohold cursor jdk1 as 'SELECT * FROM t1'; ij> get with hold cursor jdk4 as 'SELECT * FROM t1'; ij> next jdk1; C11 |C12 ----------------------- 1 |1 ij> next jdk4; C11 |C12 ----------------------- 1 |1 ij> -- changing isolation while cursor is open would fail; -- but for client/server, with small data set, the server would already be -- closed. See discussion re DERBY-3801. -- close jdk4 and then should be able to change isolation close jdk4; ij> set isolation to serializable; 0 rows inserted/updated/deleted ij> -- clean up. close jdk1; ij> -- fifth test - try isolation level change alongwith changing the isolation -- level of just one statement get with hold cursor jdk4 as 'SELECT * FROM t1'; ij> get with nohold cursor jdk1 as 'SELECT * FROM t1 WITH CS'; ij> next jdk4; C11 |C12 ----------------------- 1 |1 ij> next jdk1; C11 |C12 ----------------------- 1 |1 ij> close jdk4; ij> -- should be able to change the isolation now set isolation READ UNCOMMITTED; 0 rows inserted/updated/deleted ij> set isolation RS; 0 rows inserted/updated/deleted ij> -- clean up. close jdk1; ij> -- sixth test - try positioned update with hold cursor get with hold cursor jdk4 as 'SELECT * FROM t1 FOR UPDATE'; ij> -- following should give error because cursor is not positioned on any row update t1 set c12=12 where current of jdk4; ERROR 24000: Invalid cursor state - no current row. ij> select * from t1; C11 |C12 ----------------------- 1 |1 2 |2 ij> next jdk4; C11 |C12 ----------------------- 1 |1 ij> update t1 set c12=12 where current of jdk4; 1 row inserted/updated/deleted ij> select * from t1; C11 |C12 ----------------------- 1 |12 2 |2 ij> commit; ij> -- after commit, the next transaction should do a fetch again before doing -- any positioned update update t1 set c12=123 where current of jdk4; ERROR 24000: Invalid cursor state - no current row. ij> select * from t1; C11 |C12 ----------------------- 1 |12 2 |2 ij> next jdk4; C11 |C12 ----------------------- 2 |2 ij> update t1 set c12=23 where current of jdk4; 1 row inserted/updated/deleted ij> select * from t1; C11 |C12 ----------------------- 1 |12 2 |23 ij> close jdk4; ij> update t1 set c12=234 where current of jdk4; ERROR 42X30: Cursor 'JDK4' not found. Verify that autocommit is OFF. ij> select * from t1; C11 |C12 ----------------------- 1 |12 2 |23 ij> -- seventh test - try positioned delete with hold cursor get with hold cursor jdk4 as 'SELECT * FROM t1 FOR UPDATE'; ij> -- following should give error because cursor is not positioned on any row delete from t1 where current of jdk4; ERROR 24000: Invalid cursor state - no current row. ij> select * from t1; C11 |C12 ----------------------- 1 |12 2 |23 ij> next jdk4; C11 |C12 ----------------------- 1 |12 ij> delete from t1 where current of jdk4; 1 row inserted/updated/deleted ij> select * from t1; C11 |C12 ----------------------- 2 |23 ij> commit; ij> -- after commit, the next transaction should do a fetch again before doing -- any positioned delete delete from t1 where current of jdk4; ERROR 24000: Invalid cursor state - no current row. ij> select * from t1; C11 |C12 ----------------------- 2 |23 ij> next jdk4; C11 |C12 ----------------------- 2 |23 ij> delete from t1 where current of jdk4; 1 row inserted/updated/deleted ij> select * from t1; C11 |C12 ----------------------- ij> close jdk4; ij> delete from t1 where current of jdk4; ERROR 42X30: Cursor 'JDK4' not found. Verify that autocommit is OFF. ij> select * from t1; C11 |C12 ----------------------- ij> -- populate the table for next test insert into t1 values(1,1); 1 row inserted/updated/deleted ij> insert into t1 values(2,2); 1 row inserted/updated/deleted ij> -- eighth test - scrollable cursors get scroll insensitive with hold cursor jdk4 as 'SELECT * FROM t1'; ij> commit; ij> previous jdk4; No current row ij> after last jdk4; No current row ij> before first jdk4; No current row ij> first jdk4; C11 |C12 ----------------------- 1 |1 ij> last jdk4; C11 |C12 ----------------------- 2 |2 ij> next jdk4; No current row ij> previous jdk4; C11 |C12 ----------------------- 2 |2 ij> next jdk4; No current row ij> close jdk4; ij> first jdk4; IJ ERROR: Unable to establish cursor JDK4@CONNECTION0 ij> -- ninth test - close the updateable holdable cursor after commit -- we get npe get with hold cursor jdk4 as 'SELECT * FROM T1 FOR UPDATE'; ij> next jdk4; C11 |C12 ----------------------- 1 |1 ij> commit; ij> close jdk4; ij> -- tenth test - bug 4515 - have a more useful message -- update where current of fails in autocommit=true, held open cursor autocommit on; ij> get with hold cursor scrollCursor as 'select * from t1 for update of c12'; ij> next scrollCursor; C11 |C12 ----------------------- 1 |1 ij> -- commented out for DERBY-4778 -- update t1 set c12=c12+1 where current of scrollCursor; -- clean up. close scrollCursor; ij> drop table t1; 0 rows inserted/updated/deleted ij>