1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
--
-- 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.
--
-- This script tests online backup functionality
-- 1) in a non-idle tranaction.
-- 2) mutiple backup calls on the same connection.
-- 3) when unlogged operations are running in parallel
-- to the backup thread.
connect 'wombat' as c1 ;
create procedure sleep(t BIGINT) dynamic result sets 0
language java external name 'java.lang.Thread.sleep'
parameter style java;
create function fileExists(fileName varchar(128))
returns VARCHAR(100) external name
'org.apache.derbyTesting.functionTests.util.FTFileUtil.fileExists'
language java parameter style java;
create function removeDirectory(fileName varchar(128))
returns VARCHAR(100) external name
'org.apache.derbyTesting.functionTests.util.FTFileUtil.removeDirectory'
language java parameter style java;
autocommit off;
create table t1(a int ) ;
insert into t1 values(1) ;
insert into t1 values(2) ;
commit ;
-- make sure backup calls are not allowed in a transaction that
-- has executed unlogged operations before the backup calls.
insert into t1 values(3);
create index idx1 on t1(a);
call SYSCS_UTIL.SYSCS_BACKUP_DATABASE('extinout/mybackup') ;
call SYSCS_UTIL.SYSCS_BACKUP_DATABASE_NOWAIT('extinout/mybackup') ;
call SYSCS_UTIL.SYSCS_BACKUP_DATABASE_AND_ENABLE_LOG_ARCHIVE_MODE(
'extinout/mybackup', 1);
call SYSCS_UTIL.SYSCS_BACKUP_DATABASE_AND_ENABLE_LOG_ARCHIVE_MODE_NOWAIT(
'extinout/mybackup', 1);
--backup failures should not rollback/commit the transaction.
select * from t1 ;
insert into t1 values(4) ;
commit;
drop index idx1;
commit;
--- make sure backup calls can be run one after another.
insert into t1 values(5) ;
call SYSCS_UTIL.SYSCS_BACKUP_DATABASE('extinout/mybackup') ;
call SYSCS_UTIL.SYSCS_BACKUP_DATABASE_NOWAIT('extinout/mybackup');
call SYSCS_UTIL.SYSCS_BACKUP_DATABASE_AND_ENABLE_LOG_ARCHIVE_MODE(
'extinout/mybackup', 1);
call SYSCS_UTIL.SYSCS_BACKUP_DATABASE_AND_ENABLE_LOG_ARCHIVE_MODE_NOWAIT(
'extinout/mybackup', 1);
call SYSCS_UTIL.SYSCS_DISABLE_LOG_ARCHIVE_MODE(1);
commit;
-- make sure backup is not allowed when non-logged
-- operations are pending
connect 'wombat' as c2 ;
autocommit off ;
-- index creaton is a non-logged ops, backup should not run
-- until it is committed
create index idx1 on t1(a) ;
set connection c1 ;
-- following two backup calls should fail , because they are not waiting
-- for the unlogged index creation in anothere transaction to commit/rollback.
call SYSCS_UTIL.SYSCS_BACKUP_DATABASE_NOWAIT('extinout/mybackup') ;
call SYSCS_UTIL.SYSCS_BACKUP_DATABASE_AND_ENABLE_LOG_ARCHIVE_MODE_NOWAIT(
'extinout/mybackup', 1);
set connection c2;
rollback ;
-- make sure backup call waits, if wait parameter value is non-zero or
-- the procedures used from before 10.2( old backup procedures wait by
-- default for unlogged operation to finish.)
-- This testing is done by starting backup in a different thread and then
-- wait for few seconds and check if the backup dir is created ?
-- If backup dir is not created , the backup thread is waiting for unlogged
-- op to finih.
-- Note: Not a 100% foolproof approach because checking for backupdir
-- might occur before backup thread gets into action. But I think
-- test will fail atleast on some systems, if backup is not waiting
-- for unlogged ops to complete.
-- case1 : simple database backup with unlogged ops pending.
set connection c2;
-- index is a non-logged operation
create index idx1 on t1(a) ;
set connection c1;
-- make sure backup does not already exists at the backup location.
values removeDirectory('extinout/ulbackup1');
values fileExists('extinout/ulbackup1');
async bthread1 'call SYSCS_UTIL.SYSCS_BACKUP_DATABASE(
''extinout/ulbackup1'')' ;
set connection c2;
-- sleep for a while for the backup thread to
-- really get into the wait state
call sleep(1000);
-- make sure backup did not really proceed, backup dir should not exist
values fileExists('extinout/ulbackup1');
-- rollback the unlogged op for backup to proceed.
rollback;
set connection c1;
-- wait for backup thread to finish the work.
wait for bthread1;
-- check if backup is created.
values fileExists('extinout/ulbackup1');
commit;
-- case2: simple backup call with the default wait for ulogged ops
set connection c2;
create index idx1 on t1(a) ;
set connection c1;
-- make sure backup does not already exists at the backup location.
values removeDirectory('extinout/ulbackup2');
values fileExists('extinout/ulbackup2');
async bthread1
'call SYSCS_UTIL.SYSCS_BACKUP_DATABASE(''extinout/ulbackup2'')';
set connection c2;
-- sleep for a while for the backup thread to
-- really get into the wait state
call sleep(1000);
-- make sure backup did not really proceed, backup dir should not exist
values fileExists('extinout/ulbackup2');
-- rollback the unlogged op for backup to proceed.
rollback;
set connection c1;
-- wait for backup thread to finish the work.
wait for bthread1;
-- check if backup is created.
values fileExists('extinout/ulbackup2');
commit;
--- case 3: log archive backup with with unlogged ops pending.
set connection c2;
create index idx1 on t1(a) ;
set connection c1;
--make sure backup does not already exists at the backup location.
values removeDirectory('extinout/ulbackup3');
values fileExists('extinout/ulbackup3');
async bthread1
'call SYSCS_UTIL.SYSCS_BACKUP_DATABASE_AND_ENABLE_LOG_ARCHIVE_MODE(
''extinout/ulbackup3'' , 1)' ;
set connection c2;
-- sleep for a while for the backup thread to
-- really get into the wait state
call sleep(1000);
-- make sure backup did not really proceed, backup dir should not exist
values fileExists('extinout/ulbackup3');
-- rollback the unlogged op for backup to proceed.
rollback;
set connection c1;
-- wait for backup thread to finish the work.
wait for bthread1;
-- check if backup is created.
values fileExists('extinout/ulbackup3');
call SYSCS_UTIL.SYSCS_DISABLE_LOG_ARCHIVE_MODE(1);
-- case4 : log archive backup with the defailt wait for unlogged ops.
set connection c2;
create index idx1 on t1(a) ;
set connection c1;
--make sure backup does not already exists at the backup location.
values removeDirectory('extinout/ulbackup4');
values fileExists('extinout/ulbackup4');
async bthread1
'call SYSCS_UTIL.SYSCS_BACKUP_DATABASE_AND_ENABLE_LOG_ARCHIVE_MODE(
''extinout/ulbackup4'' , 1)' ;
set connection c2;
-- sleep for a while for the backup thread to
-- really get into the wait state
call sleep(1000);
-- make sure backup did not really proceed, backup dir should not exist
values fileExists('extinout/ulbackup4');
-- commit the unlogged op for backup to proceed.
commit;
set connection c1;
-- wait for backup thread to finish the work.
wait for bthread1;
-- check if backup is created.
values fileExists('extinout/ulbackup4');
call SYSCS_UTIL.SYSCS_DISABLE_LOG_ARCHIVE_MODE(1);
|
