1 /* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 // vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
3 #ident "$Id$"
4 /*======
5 This file is part of PerconaFT.
6
7
8 Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
9
10 PerconaFT is free software: you can redistribute it and/or modify
11 it under the terms of the GNU General Public License, version 2,
12 as published by the Free Software Foundation.
13
14 PerconaFT is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
21
22 ----------------------------------------
23
24 PerconaFT is free software: you can redistribute it and/or modify
25 it under the terms of the GNU Affero General Public License, version 3,
26 as published by the Free Software Foundation.
27
28 PerconaFT is distributed in the hope that it will be useful,
29 but WITHOUT ANY WARRANTY; without even the implied warranty of
30 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 GNU Affero General Public License for more details.
32
33 You should have received a copy of the GNU Affero General Public License
34 along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
35 ======= */
36
37 #ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
38
39 // Test that isolation works right for subtransactions.
40 // In particular, check to see what happens if a subtransaction has different isolation level from its parent.
41
42 #include "test.h"
43
44 const int envflags = DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_PRIVATE;
45
test_main(int argc,char * const argv[])46 int test_main (int argc, char * const argv[]) {
47 parse_args(argc, argv);
48 int r;
49 toku_os_recursive_delete(TOKU_TEST_FILENAME);
50 toku_os_mkdir(TOKU_TEST_FILENAME, S_IRWXU+S_IRWXG+S_IRWXO);
51 DB_ENV *env;
52 r = db_env_create(&env, 0); CKERR(r);
53 env->set_errfile(env, stderr);
54 r = env->open(env, TOKU_TEST_FILENAME, envflags, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r);
55
56 DB *db;
57
58 DB_TXN* txna = NULL;
59 DB_TXN* txnb = NULL;
60 DB_TXN* txnc = NULL;
61 DB_TXN* txnb_child = NULL;
62 DB_TXN* txnc_child = NULL;
63 r = env->txn_begin(env, NULL, &txna, 0); CKERR(r);
64 r = db_create(&db, env, 0); CKERR(r);
65 r = db->open(db, txna, "foo.db", NULL, DB_BTREE, DB_CREATE, 0666); CKERR(r);
66 r = txna->commit(txna, 0); CKERR(r);
67
68
69
70 r = env->txn_begin(env, NULL, &txnb, DB_TXN_SNAPSHOT); CKERR(r);
71 r = env->txn_begin(env, NULL, &txnc, DB_READ_COMMITTED); CKERR(r);
72
73 DBT key,val;
74 r = env->txn_begin(env, NULL, &txna, 0); CKERR(r);
75 r = db->put(db, txna, dbt_init(&key, "a", 2), dbt_init(&val, "a", 2), 0); CKERR(r);
76 r = txna->commit(txna, 0); CKERR(r);
77
78 // do a simple test to show that DB_TXN_SNAPSHOT and DB_READ_COMMITTED
79 // work differently
80 r = env->txn_begin(env, txnb, &txnb_child, DB_TXN_SNAPSHOT); CKERR(r);
81 r = env->txn_begin(env, txnc, &txnc_child, DB_READ_COMMITTED); CKERR(r);
82 r = db->get(db, txnb_child, &key, &val, 0);
83 CKERR2(r, DB_NOTFOUND);
84 r = db->get(db, txnc_child, &key, &val, 0);
85 CKERR(r);
86
87 r = txnb_child->commit(txnb_child, 0); CKERR(r);
88 r = txnc_child->commit(txnc_child, 0); CKERR(r);
89 r = txnb->commit(txnb, 0); CKERR(r);
90 r = txnc->commit(txnc, 0); CKERR(r);
91
92 r = db->close(db, 0); CKERR(r);
93 r = env->close(env, 0); CKERR(r);
94
95 return 0;
96 }
97