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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.
--
-- testing Transaction table
maximumdisplaywidth 9000;
ij> connect 'wombat' as c1;
ij(C1)> set isolation to rr;
0 rows inserted/updated/deleted
ij(C1)> -- Only look at user transactions. Depending on timing of background
-- threads for post commit and checkpoint there may be system and
-- and internal transactions that vary from machine to machine.
create view xactTable as
select username, type, status,
case when first_instant is NULL then 'readonly' else 'not readonly' end as readOnly, cast(sql_text as varchar(512)) sql_text
from syscs_diag.transaction_table
where type = 'UserTransaction';
0 rows inserted/updated/deleted
ij(C1)> commit;
ij(C1)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |IDLE |readonly |select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |IDLE |readonly |NULL
ij(C1)> create table foo (a int);
0 rows inserted/updated/deleted
ij(C1)> create index fooi on foo (a);
0 rows inserted/updated/deleted
ij(C1)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |IDLE |readonly |select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |IDLE |readonly |NULL
ij(C1)> autocommit off;
ij(C1)> select * from foo;
A
-----------
ij(C1)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |ACTIVE |readonly |select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |IDLE |readonly |NULL
ij(C1)> select type, lockcount as cnt, mode, tablename, lockname, state
from syscs_diag.lock_table
where tableType <> 'S'
order by lockname, mode, cnt, state;
TYPE |CNT |MODE|TABLENAME |LOCKNAME |STATE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
TABLE|1 |S |FOO |Tablelock |GRANT
ij(C1)> commit;
ij(C1)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |IDLE |readonly |select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |IDLE |readonly |NULL
ij(C1)> select type, lockcount as cnt, mode, tablename, lockname, state
from syscs_diag.lock_table ;
TYPE |CNT |MODE|TABLENAME |LOCKNAME |STATE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ij(C1)> insert into foo values (1), (3), (5), (7), (9);
5 rows inserted/updated/deleted
ij(C1)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |ACTIVE |not readonly|select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |IDLE |readonly |NULL
ij(C1)> select type, lockcount as cnt, mode, tablename, lockname, state
from syscs_diag.lock_table
where tableType <> 'S'
order by lockname, mode, cnt, state;
TYPE |CNT |MODE|TABLENAME |LOCKNAME |STATE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ROW |1 |X |FOO |(1,10) |GRANT
ROW |1 |X |FOO |(1,11) |GRANT
ROW |1 |X |FOO |(1,7) |GRANT
ROW |1 |X |FOO |(1,8) |GRANT
ROW |1 |X |FOO |(1,9) |GRANT
TABLE|2 |IX |FOO |Tablelock |GRANT
ij(C1)> commit;
ij(C1)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |IDLE |readonly |select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |IDLE |readonly |NULL
ij(C1)> select type, lockcount as cnt, mode, tablename, lockname, state
from syscs_diag.lock_table;
TYPE |CNT |MODE|TABLENAME |LOCKNAME |STATE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ij(C1)> insert into foo values (6), (10);
2 rows inserted/updated/deleted
ij(C1)> -- make another connection
connect 'wombat' as c2;
ij(C2)> set isolation to rr;
0 rows inserted/updated/deleted
ij(C2)> autocommit off;
ij(C2)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |IDLE |readonly |select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |ACTIVE |not readonly|NULL
APP |UserTransaction |IDLE |readonly |NULL
ij(C2)> select type, lockcount as cnt, mode, tablename, lockname, state
from syscs_diag.lock_table
where tableType <> 'S'
order by lockname, mode, cnt, state;
TYPE |CNT |MODE|TABLENAME |LOCKNAME |STATE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ROW |1 |X |FOO |(1,12) |GRANT
ROW |1 |X |FOO |(1,13) |GRANT
TABLE|2 |IX |FOO |Tablelock |GRANT
ij(C2)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |ACTIVE |readonly |select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |ACTIVE |not readonly|NULL
APP |UserTransaction |IDLE |readonly |NULL
ij(C2)> select type, lockcount as cnt, mode, tablename, lockname, state
from syscs_diag.lock_table
where tableType <> 'S'
order by lockname, mode, cnt, state;
TYPE |CNT |MODE|TABLENAME |LOCKNAME |STATE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ROW |1 |X |FOO |(1,12) |GRANT
ROW |1 |X |FOO |(1,13) |GRANT
TABLE|2 |IX |FOO |Tablelock |GRANT
ij(C2)> autocommit off;
ij(C2)> select * from foo where a < 2;
A
-----------
1
ij(C2)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |ACTIVE |readonly |select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |ACTIVE |not readonly|NULL
APP |UserTransaction |IDLE |readonly |NULL
ij(C2)> select type, lockcount as cnt, mode, tablename, lockname, state
from syscs_diag.lock_table
where tableType <> 'S'
order by lockname, mode, cnt, state;
TYPE |CNT |MODE|TABLENAME |LOCKNAME |STATE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ROW |1 |X |FOO |(1,12) |GRANT
ROW |1 |X |FOO |(1,13) |GRANT
ROW |1 |S |FOO |(1,3) |GRANT
ROW |1 |S |FOO |(1,7) |GRANT
TABLE|1 |IS |FOO |Tablelock |GRANT
TABLE|2 |IX |FOO |Tablelock |GRANT
ij(C2)> insert into foo values (2), (4);
2 rows inserted/updated/deleted
ij(C2)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |ACTIVE |not readonly|select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |ACTIVE |not readonly|NULL
APP |UserTransaction |IDLE |readonly |NULL
ij(C2)> select type, lockcount as cnt, mode, tablename, lockname, state
from syscs_diag.lock_table
where tableType <> 'S'
order by lockname, mode, cnt, state;
TYPE |CNT |MODE|TABLENAME |LOCKNAME |STATE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ROW |1 |X |FOO |(1,12) |GRANT
ROW |1 |X |FOO |(1,13) |GRANT
ROW |1 |X |FOO |(1,14) |GRANT
ROW |1 |X |FOO |(1,15) |GRANT
ROW |1 |S |FOO |(1,3) |GRANT
ROW |1 |S |FOO |(1,7) |GRANT
TABLE|1 |IS |FOO |Tablelock |GRANT
TABLE|2 |IX |FOO |Tablelock |GRANT
TABLE|2 |IX |FOO |Tablelock |GRANT
ij(C2)> -- this should block and result in a timeout
select * from foo;
ERROR 40XL1: A lock could not be obtained within the time requested
ij(C2)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |IDLE |readonly |select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |ACTIVE |not readonly|NULL
APP |UserTransaction |IDLE |readonly |NULL
ij(C2)> -- when last statement finished rolling back, this transaction should be IDLE;
select type, lockcount as cnt, mode, tablename, lockname, state
from syscs_diag.lock_table
where tableType <> 'S'
order by lockname, mode, cnt, state;
TYPE |CNT |MODE|TABLENAME |LOCKNAME |STATE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ROW |1 |X |FOO |(1,12) |GRANT
ROW |1 |X |FOO |(1,13) |GRANT
TABLE|2 |IX |FOO |Tablelock |GRANT
ij(C2)> -- this should also block
drop table foo;
ERROR 40XL1: A lock could not be obtained within the time requested
ij(C2)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |IDLE |readonly |select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |ACTIVE |not readonly|NULL
APP |UserTransaction |IDLE |readonly |NULL
ij(C2)> select type, lockcount as cnt, mode, tablename, lockname, state
from syscs_diag.lock_table
where tableType <> 'S'
order by lockname, mode, cnt, state;
TYPE |CNT |MODE|TABLENAME |LOCKNAME |STATE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ROW |1 |X |FOO |(1,12) |GRANT
ROW |1 |X |FOO |(1,13) |GRANT
TABLE|2 |IX |FOO |Tablelock |GRANT
ij(C2)> commit;
ij(C2)> disconnect;
ij> set connection c1;
ij(C1)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |ACTIVE |not readonly|select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |IDLE |readonly |NULL
ij(C1)> select type, lockcount as cnt, mode, tablename, lockname, state
from syscs_diag.lock_table
where tableType <> 'S'
order by lockname, mode, cnt, state;
TYPE |CNT |MODE|TABLENAME |LOCKNAME |STATE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ROW |1 |X |FOO |(1,12) |GRANT
ROW |1 |X |FOO |(1,13) |GRANT
TABLE|2 |IX |FOO |Tablelock |GRANT
ij(C1)> drop table foo;
0 rows inserted/updated/deleted
ij(C1)> commit;
ij(C1)> select * from xactTable order by username, sql_text, status, type;
USERNAME |TYPE |STATUS |READONLY |SQL_TEXT
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
APP |UserTransaction |IDLE |readonly |select * from xactTable order by username, sql_text, status, type
APP |UserTransaction |IDLE |readonly |NULL
ij(C1)> select l.type, lockcount as cnt, mode, tablename, lockname, state
from syscs_diag.lock_table l right outer join syscs_diag.transaction_table t
on l.xid = t.xid where l.tableType <> 'S' and t.type='UserTransaction'
order by lockname, mode, cnt, state;
TYPE |CNT |MODE|TABLENAME |LOCKNAME |STATE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ij(C1)> commit;
ij(C1)> -- ensure the system vti can not be modified.
drop table syscs_diag.transaction_table;
ERROR X0Y56: 'DROP TABLE' is not allowed on the System table '"SYSCS_DIAG"."TRANSACTION_TABLE"'.
ij(C1)> alter table syscs_diag.transaction_table add column x int;
ERROR 42X62: 'ALTER TABLE' is not allowed in the 'SYSCS_DIAG' schema.
ij(C1)> update syscs_diag.transaction_table set xid = NULL;
ERROR 42Y25: 'SYSCS_DIAG.TRANSACTION_TABLE' is a system table. Users are not allowed to modify the contents of this table.
ij(C1)> delete from syscs_diag.transaction_table where 1 = 1;
ERROR 42Y25: 'SYSCS_DIAG.TRANSACTION_TABLE' is a system table. Users are not allowed to modify the contents of this table.
ij(C1)> insert into syscs_diag.transaction_table(xid) values('bad');
ERROR 42Y25: 'SYSCS_DIAG.TRANSACTION_TABLE' is a system table. Users are not allowed to modify the contents of this table.
ij(C1)> call SYSCS_UTIL.SYSCS_COMPRESS_TABLE('SYSCS_DIAG', 'TRANSACTION_TABLE', 1);
ERROR 38000: The exception 'java.sql.SQLException: 'ALTER TABLE' is not allowed in the 'SYSCS_DIAG' schema.' was thrown while evaluating an expression.
ERROR 42X62: 'ALTER TABLE' is not allowed in the 'SYSCS_DIAG' schema.
ij(C1)> call SYSCS_UTIL.SYSCS_INPLACE_COMPRESS_TABLE('SYSCS_DIAG', 'TRANSACTION_TABLE', 1, 1, 1);
0 rows inserted/updated/deleted
ij(C1)> -- ensure the old syntax still works until it is deprecated
select xid from new org.apache.derby.diag.TransactionTable() AS t where 1 = 0;
XID
---------------
ij(C1)> update new org.apache.derby.diag.TransactionTable() set xid = NULL;
ERROR 42X08: The constructor for class 'org.apache.derby.diag.TransactionTable' cannot be used as an external virtual table because the class does not implement 'java.sql.PreparedStatement'.
ij(C1)> delete from new org.apache.derby.diag.TransactionTable() where 1 = 0;
ERROR 42X08: The constructor for class 'org.apache.derby.diag.TransactionTable' cannot be used as an external virtual table because the class does not implement 'java.sql.PreparedStatement'.
ij(C1)> disconnect;
ij>