summaryrefslogtreecommitdiff
path: root/sql-bench/test-select.sh
blob: 4c7147b57a43715f6147b77c069501c6f8b52b95 (plain)
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
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
#!/usr/bin/perl
# Copyright (c) 2000, 2001, 2003, 2006 MySQL AB, 2009 Sun Microsystems, Inc.
# Use is subject to license terms.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; version 2
# of the License.
#
# This library 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
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1335  USA
#
# Test of selecting on keys that consist of many parts
#
##################### Standard benchmark inits ##############################

use Cwd;
use DBI;
use Getopt::Long;
use Benchmark;

$opt_loop_count=10000;
$opt_medium_loop_count=7000;
$opt_small_loop_count=10;
$opt_regions=6;
$opt_groups=100;

$pwd = cwd(); $pwd = "." if ($pwd eq '');
require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!\n";

$columns=min($limits->{'max_columns'},500,($limits->{'query_size'}-50)/24,
	     $limits->{'max_conditions'}/2-3);

if ($opt_small_test)
{
  $opt_loop_count/=10;
  $opt_medium_loop_count/=10;
  $opt_small_loop_count/=10;
  $opt_groups/=10;
}

print "Testing the speed of selecting on keys that consist of many parts\n";
print "The test-table has $opt_loop_count rows and the test is done with $columns ranges.\n\n";

####
####  Connect and start timeing
####

$dbh = $server->connect();
$start_time=new Benchmark;

####
#### Create needed tables
####

goto select_test if ($opt_skip_create);

print "Creating table\n";
$dbh->do("drop table bench1" . $server->{'drop_attr'});

do_many($dbh,$server->create("bench1",
			     ["region char(1) NOT NULL",
			      "idn integer(6) NOT NULL",
			      "rev_idn integer(6) NOT NULL",
			      "grp integer(6) NOT NULL",
			      "grp_no_key integer(6) NOT NULL"],
			     ["primary key (region,idn)",
			      "unique (region,rev_idn)",
			      "unique (region,grp,idn)"]));
if ($opt_lock_tables)
{
  do_query($dbh,"LOCK TABLES bench1 WRITE");
}

if ($opt_fast && defined($server->{vacuum}))
{
  $server->vacuum(1,\$dbh);
}

####
#### Insert $opt_loop_count records with
#### region:	"A" -> "E"
#### idn: 	0 -> count
#### rev_idn:	count -> 0,
#### grp:	distributed values 0 - > count/100
####

print "Inserting $opt_loop_count rows\n";

$loop_time=new Benchmark;

if ($opt_fast && $server->{transactions})
{
  $dbh->{AutoCommit} = 0;
}

$query="insert into bench1 values (";
$half_done=$opt_loop_count/2;
for ($id=0,$rev_id=$opt_loop_count-1 ; $id < $opt_loop_count ; $id++,$rev_id--)
{
  $grp=$id*3 % $opt_groups;
  $region=chr(65+$id%$opt_regions);
  do_query($dbh,"$query'$region',$id,$rev_id,$grp,$grp)");
  if ($id == $half_done)
  {				# Test with different insert
    $query="insert into bench1 (region,idn,rev_idn,grp,grp_no_key) values (";
  }
}

if ($opt_fast && $server->{transactions})
{
  $dbh->commit;
  $dbh->{AutoCommit} = 1;
}

$end_time=new Benchmark;
print "Time to insert ($opt_loop_count): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n\n";

if ($opt_lock_tables)
{
  do_query($dbh,"UNLOCK TABLES");
}

if ($opt_fast && defined($server->{vacuum}))
{
  $server->vacuum(0,\$dbh,"bench1");
}

if ($opt_lock_tables)
{
  do_query($dbh,"LOCK TABLES bench1 WRITE");
}

####
#### Do some selects on the table
####

select_test:

if ($limits->{'group_functions'})
{
  my ($tmp); $tmp=1000;
  print "Test if the database has a query cache\n";

  # First ensure that the table is read into memory
  fetch_all_rows($dbh,"select sum(idn+$tmp),sum(rev_idn-$tmp) from bench1");

  $loop_time=new Benchmark;
  for ($tests=0 ; $tests < $opt_loop_count ; $tests++)
  {
    fetch_all_rows($dbh,"select sum(idn+100),sum(rev_idn-100) from bench1");
  }
  $end_time=new Benchmark;
  print "Time for select_cache ($opt_loop_count): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n\n";

  # If the database has a query cache, the following loop should be much
  # slower than the previous loop

  $loop_time=new Benchmark;
  for ($tests=0 ; $tests < $opt_loop_count ; $tests++)
  {
    fetch_all_rows($dbh,"select sum(idn+$tests),sum(rev_idn-$tests) from bench1");
  }
  $end_time=new Benchmark;
  print "Time for select_cache2 ($opt_loop_count): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}


print "Testing big selects on the table\n";
$loop_time=new Benchmark;
$rows=0;
for ($i=0 ; $i < $opt_small_loop_count ; $i++)
{
  $grp=$i*11 % $opt_groups;
  $region=chr(65+$i%($opt_regions+1));	# One larger to test misses
  $rows+=fetch_all_rows($dbh,"select idn from bench1 where region='$region'");
  $rows+=fetch_all_rows($dbh,"select idn from bench1 where region='$region' and idn=$i");
  $rows+=fetch_all_rows($dbh,"select idn from bench1 where region='$region' and rev_idn=$i");
  $rows+=fetch_all_rows($dbh,"select idn from bench1 where region='$region' and grp=$grp");
  $rows+=fetch_all_rows($dbh,"select idn from bench1 where region>='B' and region<='C' and grp=$grp");
  $rows+=fetch_all_rows($dbh,"select idn from bench1 where region>='B' and region<='E' and grp=$grp");
  $rows+=fetch_all_rows($dbh,"select idn from bench1 where grp=$grp"); # This is hard
}
$count=$opt_small_loop_count*7;

$end_time=new Benchmark;
print "Time for select_big ($count:$rows): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n";

# Test select with many OR's

$loop_time=new Benchmark;
$tmpvar=0;
$count=0;
$estimated=0;
$max_and_conditions=$limits->{'max_conditions'}/2;
$rows=0;

for ($i=0 ; $i < $opt_small_loop_count ; $i++)
{
  $region=chr(65+$i%($opt_regions+1));	# One larger to test out-of-regions
  $query="select * from bench1 where ";
  $or_part="grp = 1";
  $or_part2="region='A' and grp=1";

  for ($j=1 ; $j < $columns; $j++)
  {
    $tmpvar^= ((($tmpvar + 63) + $j)*3 % 100000);
    $tmp=$tmpvar % $opt_groups;
    $tmp_region=chr(65+$tmpvar%$opt_regions);
    $or_part.=" or grp=$tmp";
    if ($j < $max_and_conditions)
    {
      $or_part2.=" or region='$tmp_region' and grp=$tmp";
    }
  }
  $or_part="region='$region' and ($or_part)";

# Same query, but use 'func_extra_in_num' instead.
  if ($limits->{'func_extra_in_num'})
  {
    $in_part=$or_part;
    $in_part=~ s/ = / IN \(/;
    $in_part=~ s/ or grp=/,/g;
    $in_part.= ")";
    defined($found=fetch_all_rows($dbh,$query . $in_part)) || die $DBI::errstr;
    $rows+=$found;
    $count++;
  }
  for ($j=0; $j < 10 ; $j++)
  {
    $rows+=fetch_all_rows($dbh,$query . $or_part);
    $rows+=fetch_all_rows($dbh,$query . $or_part2);
# Do it a little harder by setting a extra range
    $rows+=fetch_all_rows($dbh,"$query ($or_part) and idn < 50");
    $rows+=fetch_all_rows($dbh,"$query (($or_part) or (region='A' and grp < 10)) and region <='B'")
  }
  $count+=$j*4;
  $end_time=new Benchmark;
  last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
					 $opt_small_loop_count));
}

print_time($estimated);
print " for select_range ($count:$rows): " .
  timestr(timediff($end_time, $loop_time),"all") . "\n";

#
# Testing MIN() and MAX() on keys
#

if ($limits->{'group_functions'} && $limits->{'order_by_unused'})
{
  $loop_time=new Benchmark;
  $count=0;
  $estimated=0;
  for ($tests=0 ; $tests < $opt_loop_count ; $tests++)
  {
    $count+=7;
    $grp=$tests*3 % $opt_groups;
    $region=chr(65+$tests % $opt_regions);
    if ($limits->{'group_func_sql_min_str'})
    {
      fetch_all_rows($dbh,"select min(region) from bench1");
      fetch_all_rows($dbh,"select max(region) from bench1");
      fetch_all_rows($dbh,"select min(region),max(region) from bench1");
    }
    fetch_all_rows($dbh,"select min(rev_idn) from bench1 where region='$region'");

    fetch_all_rows($dbh,"select max(grp) from bench1 where region='$region'");
    fetch_all_rows($dbh,"select max(idn) from bench1 where region='$region' and grp=$grp");
    if ($limits->{'group_func_sql_min_str'})
    {
      fetch_all_rows($dbh,"select max(region) from bench1 where region<'$region'");
    }
    $end_time=new Benchmark;
    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,
					   $tests+1, $opt_loop_count));
  }
  print_time($estimated);
  print " for min_max_on_key ($count): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n";

  $loop_time=new Benchmark;
  $count=0;
  $estimated=0;
  for ($tests=0 ; $tests < $opt_loop_count ; $tests++)
  {
    $count+=5;
    $grp=$tests*3 % $opt_groups;
    $region=chr(65+$tests % $opt_regions);
    fetch_all_rows($dbh,"select count(*) from bench1 where region='$region'");
    fetch_all_rows($dbh,"select count(*) from bench1 where region='$region' and grp=$grp");
    fetch_all_rows($dbh,"select count(*) from bench1 where region>'$region'");
    fetch_all_rows($dbh,"select count(*) from bench1 where region<='$region'");
    fetch_all_rows($dbh,"select count(*) from bench1 where region='$region' and grp>$grp");
    $end_time=new Benchmark;
    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,
					   $tests+1, $opt_loop_count));
  }
  print_time($estimated);
  print " for count_on_key ($count): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n\n";
  
}

if ($limits->{'group_functions'})
{
  $loop_time=new Benchmark;
  $rows=0;
  for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
  {
    $rows+=fetch_all_rows($dbh,"select grp,count(*) from bench1 group by grp");
  }
  $end_time=new Benchmark;
  print "Time for count_group_on_key_parts ($i:$rows): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n";

  $loop_time=new Benchmark;
  $rows=0;
  for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
  {
    $rows+=fetch_all_rows($dbh,"select grp_no_key,count(*) from bench1 group by grp_no_key");
  }
  $end_time=new Benchmark;
  print "Time for count_group ($i:$rows): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n";

  $loop_time=new Benchmark;
  $rows=0;
  for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
  {
    $rows+=fetch_all_rows($dbh,"select grp_no_key,count(*) as cnt from bench1 group by grp_no_key order by cnt");
  }
  $end_time=new Benchmark;
  print "Time for count_group_with_order ($i:$rows): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n";
}

if ($limits->{'group_distinct_functions'})
{
  print "Testing count(distinct) on the table\n";
  $loop_time=new Benchmark;
  $rows=$estimated=$count=0;
  for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
  {
    $count++;
    $rows+=fetch_all_rows($dbh,"select count(distinct region) from bench1");
    $end_time=new Benchmark;
    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
					   $opt_medium_loop_count));
  }
  print_time($estimated);
  print " for count_distinct_key_prefix ($count:$rows): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n";

  $loop_time=new Benchmark;
  $rows=$estimated=$count=0;
  for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
  {
    $count++;
    $rows+=fetch_all_rows($dbh,"select count(distinct grp) from bench1");
    $end_time=new Benchmark;
    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
					   $opt_medium_loop_count));
  }
  print_time($estimated);
  print " for count_distinct ($count:$rows): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n";

#  Workaround mimer's behavior
  if ($limits->{'multi_distinct'})
  {
    $loop_time=new Benchmark;
    $rows=$estimated=$count=0;
    for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
    {
      $count++;
      $rows+=fetch_all_rows($dbh,"select count(distinct grp),count(distinct rev_idn) from bench1");
      $end_time=new Benchmark;
      last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
					   $opt_medium_loop_count));
    } 
    print_time($estimated);
    print " for count_distinct_2 ($count:$rows): " .
      timestr(timediff($end_time, $loop_time),"all") . "\n";
  }

  $loop_time=new Benchmark;
  $rows=$estimated=$count=0;
  for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
  {
    $count++;
    $rows+=fetch_all_rows($dbh,"select region,count(distinct idn) from bench1 group by region");
    $end_time=new Benchmark;
    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
					   $opt_medium_loop_count));
  }
  print_time($estimated);
  print " for count_distinct_group_on_key ($count:$rows): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n";

  $loop_time=new Benchmark;
  $rows=$estimated=$count=0;
  for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
  {
    $count++;
    $rows+=fetch_all_rows($dbh,"select grp,count(distinct idn) from bench1 group by grp");
    $end_time=new Benchmark;
    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
					   $opt_medium_loop_count));
  }
  print_time($estimated);
  print " for count_distinct_group_on_key_parts ($count:$rows): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n";

  $loop_time=new Benchmark;
  $rows=$estimated=$count=0;
  for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
  {
    $count++;
    $rows+=fetch_all_rows($dbh,"select grp,count(distinct rev_idn) from bench1 group by grp");
    $end_time=new Benchmark;
    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
					   $opt_medium_loop_count));
  }
  print_time($estimated);
  print " for count_distinct_group ($count:$rows): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n";

  $loop_time=new Benchmark;
  $rows=$estimated=$count=0;
  $test_count=$opt_medium_loop_count/10;
  for ($i=0 ; $i < $test_count ; $i++)
  {
    $count++;
    $rows+=fetch_all_rows($dbh,"select idn,count(distinct region) from bench1 group by idn");
    $end_time=new Benchmark;
    last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
					   $test_count));
  }
  print_time($estimated);
  print " for count_distinct_big ($count:$rows): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n";
}

####
#### End of benchmark
####

if ($opt_lock_tables)
{
  do_query($dbh,"UNLOCK TABLES");
}
if (!$opt_skip_delete)
{
  do_query($dbh,"drop table bench1" . $server->{'drop_attr'});
}

if ($opt_fast && defined($server->{vacuum}))
{
  $server->vacuum(0,\$dbh);
}

$dbh->disconnect;				# close connection

end_benchmark($start_time);