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
|
/* -*- 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 TokuDB
Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
TokuDBis 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.
TokuDB 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 TokuDB. If not, see <http://www.gnu.org/licenses/>.
======= */
#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
// Verify that analyze can be terminated when its executing time limit is reached
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <inttypes.h>
#include <memory.h>
#include <assert.h>
#include <errno.h>
#include <db.h>
#if __linux__
#include <endian.h>
#endif
#include <sys/stat.h>
#include <sys/types.h>
typedef unsigned long long ulonglong;
#include "tokudb_status.h"
#include "tokudb_buffer.h"
#include "fake_mysql.h"
#if __APPLE__
typedef unsigned long ulong;
#endif
#include "tokudb_card.h"
static int verbose = 0;
static uint32_t hton32(uint32_t n) {
#if BYTE_ORDER == LITTLE_ENDIAN
return __builtin_bswap32(n);
#else
return n;
#endif
}
struct key {
uint32_t k0;
}; // __attribute__((packed));
struct val {
uint32_t v0;
}; // __attribute__((packed));
// load nrows into the db
static void load_db(DB_ENV *env, DB *db, uint32_t nrows) {
DB_TXN *txn = NULL;
int r = env->txn_begin(env, NULL, &txn, 0);
assert(r == 0);
DB_LOADER *loader = NULL;
uint32_t db_flags[1] = { 0 };
uint32_t dbt_flags[1] = { 0 };
uint32_t loader_flags = 0;
r = env->create_loader(env, txn, &loader, db, 1, &db, db_flags, dbt_flags, loader_flags);
assert(r == 0);
for (uint32_t seq = 0; seq < nrows ; seq++) {
struct key k = { hton32(seq) };
struct val v = { seq };
DBT key = { .data = &k, .size = sizeof k };
DBT val = { .data = &v, .size = sizeof v };
r = loader->put(loader, &key, &val);
assert(r == 0);
}
r = loader->close(loader);
assert(r == 0);
r = txn->commit(txn, 0);
assert(r == 0);
}
static int analyze_key_compare(DB *db __attribute__((unused)), const DBT *a, const DBT *b, uint level) {
assert(level == 1);
assert(a->size == b->size);
return memcmp(a->data, b->data, a->size);
}
struct analyze_extra {
uint64_t now;
uint64_t limit;
};
static int analyze_progress(void *extra, uint64_t rows) {
assert(rows > 0);
struct analyze_extra *e = (struct analyze_extra *) extra;
e->now++;
int r;
if (e->limit > 0 && e->now >= e->limit)
r = ETIME;
else
r = 0;
if (verbose)
printf("%s %"PRIu64" %"PRIu64" r=%d\n", __FUNCTION__, e->now, e->limit, r);
return r;
}
static void test_card(DB_ENV *env, DB *db, uint64_t expect_card, uint64_t limit) {
int r;
DB_TXN *txn = NULL;
r = env->txn_begin(env, NULL, &txn, 0);
assert(r == 0);
uint64_t num_key_parts = 1;
uint64_t rec_per_key[num_key_parts];
for (uint64_t i = 0; i < num_key_parts; i++)
rec_per_key[i] = 0;
struct analyze_extra analyze_extra = { 0, limit };
r = tokudb::analyze_card(db, txn, false, num_key_parts, rec_per_key, analyze_key_compare, analyze_progress, &analyze_extra);
if (limit == 0) {
assert(r == 0);
} else {
assert(r == ETIME);
assert(analyze_extra.now == analyze_extra.limit);
}
assert(rec_per_key[0] == expect_card);
r = txn->commit(txn, 0);
assert(r == 0);
}
int main(int argc, char * const argv[]) {
uint32_t nrows = 1000000;
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], "--verbose") == 0 || strcmp(argv[i], "-v") == 0) {
verbose++;
continue;
}
if (strcmp(argv[i], "--nrows") == 0 && i+1 < argc) {
nrows = atoi(argv[++i]);
continue;
}
}
int r;
r = system("rm -rf " __FILE__ ".testdir");
assert(r == 0);
r = mkdir(__FILE__ ".testdir", S_IRWXU+S_IRWXG+S_IRWXO);
assert(r == 0);
DB_ENV *env = NULL;
r = db_env_create(&env, 0);
assert(r == 0);
r = env->open(env, __FILE__ ".testdir", DB_INIT_MPOOL + DB_INIT_LOG + DB_INIT_LOCK + DB_INIT_TXN + DB_PRIVATE + DB_CREATE, S_IRWXU+S_IRWXG+S_IRWXO);
assert(r == 0);
// create the db
DB *db = NULL;
r = db_create(&db, env, 0);
assert(r == 0);
r = db->open(db, NULL, "test.db", 0, DB_BTREE, DB_CREATE + DB_AUTO_COMMIT, S_IRWXU+S_IRWXG+S_IRWXO);
assert(r == 0);
// load the db
load_db(env, db, nrows);
// test cardinality
test_card(env, db, 1, 0);
test_card(env, db, 1, 1);
test_card(env, db, 1, 10);
test_card(env, db, 1, 100);
r = db->close(db, 0);
assert(r == 0);
r = env->close(env, 0);
assert(r == 0);
return 0;
}
|
