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Diffstat (limited to 'storage/tokudb/PerconaFT/src/tests/isolation-read-committed.cc')
| -rw-r--r-- | storage/tokudb/PerconaFT/src/tests/isolation-read-committed.cc | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/src/tests/isolation-read-committed.cc b/storage/tokudb/PerconaFT/src/tests/isolation-read-committed.cc new file mode 100644 index 00000000..ab0905d8 --- /dev/null +++ b/storage/tokudb/PerconaFT/src/tests/isolation-read-committed.cc @@ -0,0 +1,161 @@ +/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ +// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4: +#ident "$Id$" +/*====== +This file is part of PerconaFT. + + +Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved. + + PerconaFT is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License, version 2, + as published by the Free Software Foundation. + + PerconaFT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with PerconaFT. If not, see <http://www.gnu.org/licenses/>. + +---------------------------------------- + + PerconaFT is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License, version 3, + as published by the Free Software Foundation. + + PerconaFT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with PerconaFT. If not, see <http://www.gnu.org/licenses/>. +======= */ + +#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved." + +// Test that isolation works right for subtransactions. +// In particular, check to see what happens if a subtransaction has different isolation level from its parent. + +#include "test.h" + +const int envflags = DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_PRIVATE; + +int test_main (int argc, char * const argv[]) { + parse_args(argc, argv); + int r; + toku_os_recursive_delete(TOKU_TEST_FILENAME); + toku_os_mkdir(TOKU_TEST_FILENAME, S_IRWXU+S_IRWXG+S_IRWXO); + DB_ENV *env; + r = db_env_create(&env, 0); CKERR(r); + env->set_errfile(env, stderr); + r = env->open(env, TOKU_TEST_FILENAME, envflags, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r); + + DB *db; + { + DB_TXN *txna; + r = env->txn_begin(env, NULL, &txna, 0); CKERR(r); + + r = db_create(&db, env, 0); CKERR(r); + r = db->open(db, txna, "foo.db", NULL, DB_BTREE, DB_CREATE, 0666); CKERR(r); + + DBT key,val; + r = db->put(db, txna, dbt_init(&key, "a", 2), dbt_init(&val, "a", 2), 0); CKERR(r); + + r = txna->commit(txna, 0); CKERR(r); + } + DB_TXN *txn_put, *txn_committed, *txn_uncommitted; + r = env->txn_begin(env, NULL, &txn_put, DB_READ_COMMITTED); CKERR(r); + r = env->txn_begin(env, NULL, &txn_committed, DB_READ_COMMITTED); CKERR(r); + r = env->txn_begin(env, NULL, &txn_uncommitted, DB_READ_UNCOMMITTED); CKERR(r); + + // + // test a simple get + // + { + DBT key,val; + r = db->put(db, txn_put, dbt_init(&key, "x", 2), dbt_init(&val, "x", 2), 0); CKERR(r); + dbt_init_malloc(&val); + r = db->get(db, txn_put, dbt_init(&key, "x", 2), &val, 0); CKERR(r); + toku_free(val.data); + + dbt_init_malloc(&val); + r = db->get(db, txn_committed, dbt_init(&key, "x", 2), &val, 0); CKERR2(r, DB_NOTFOUND); + toku_free(val.data); + + dbt_init_malloc(&val); + r = db->get(db, txn_uncommitted, dbt_init(&key, "x", 2), &val, 0); CKERR(r); + toku_free(val.data); + + r = db->del(db, txn_put, dbt_init(&key, "a", 2), 0); CKERR(r); + + dbt_init_malloc(&val); + r = db->get(db, txn_put, dbt_init(&key, "a", 2), &val, 0); CKERR2(r, DB_NOTFOUND); + toku_free(val.data); + + dbt_init_malloc(&val); + r = db->get(db, txn_committed, dbt_init(&key, "a", 2), &val, 0); CKERR(r); + toku_free(val.data); + + dbt_init_malloc(&val); + r = db->get(db, txn_uncommitted, dbt_init(&key, "a", 2), &val, 0); CKERR2(r, DB_NOTFOUND); + toku_free(val.data); + + val.data = NULL; + } + + + r = txn_put->commit(txn_put, 0); CKERR(r); + r = txn_committed->commit(txn_committed, 0); CKERR(r); + r = txn_uncommitted->commit(txn_uncommitted, 0); CKERR(r); + + r = env->txn_begin(env, NULL, &txn_put, DB_READ_COMMITTED); CKERR(r); + r = env->txn_begin(env, NULL, &txn_committed, DB_READ_COMMITTED); CKERR(r); + r = env->txn_begin(env, NULL, &txn_uncommitted, DB_READ_UNCOMMITTED); CKERR(r); + + // + // test a simple get + // + { + DBT key,val; + DBT curr_key, curr_val; + DBC* cursor_committed = NULL; + DBC* cursor_uncommitted = NULL; + memset(&curr_key, 0, sizeof(curr_key)); + memset(&curr_val, 0, sizeof(curr_val)); + + r = db->cursor(db, txn_committed, &cursor_committed, 0); assert(r == 0); + r = db->cursor(db, txn_uncommitted, &cursor_uncommitted, 0); assert(r == 0); + + r = db->put(db, txn_put, dbt_init(&key, "y", 2), dbt_init(&val, "y", 2), 0); CKERR(r); + + r = cursor_uncommitted->c_get(cursor_uncommitted, &curr_key, &curr_val, DB_NEXT); CKERR(r); + assert(((char *)(curr_key.data))[0] == 'x'); + assert(((char *)(curr_val.data))[0] == 'x'); + + r = cursor_committed->c_get(cursor_committed, &curr_key, &curr_val, DB_NEXT); CKERR(r); + assert(((char *)(curr_key.data))[0] == 'x'); + assert(((char *)(curr_val.data))[0] == 'x'); + + + + r = cursor_committed->c_get(cursor_committed, &curr_key, &curr_val, DB_NEXT); CKERR2(r, DB_NOTFOUND); + r = cursor_uncommitted->c_get(cursor_uncommitted, &curr_key, &curr_val, DB_NEXT); CKERR(r); + assert(((char *)(curr_key.data))[0] == 'y'); + assert(((char *)(curr_val.data))[0] == 'y'); + + cursor_committed->c_close(cursor_committed); + cursor_uncommitted->c_close(cursor_uncommitted); + } + r = txn_put->commit(txn_put, 0); CKERR(r); + r = txn_committed->commit(txn_committed, 0); CKERR(r); + r = txn_uncommitted->commit(txn_uncommitted, 0); CKERR(r); + + + r = db->close(db, 0); CKERR(r); + r = env->close(env, 0); CKERR(r); + + return 0; +} |