summaryrefslogtreecommitdiff
path: root/mysql-test/t/variables.test
blob: 3f7c4541a43ff9dff2c726815eb8ebf8071fb45a (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
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
#
# test variables
#
--disable_warnings
drop table if exists t1,t2;
--enable_warnings

#
# Bug#19263: variables.test doesn't clean up after itself (I/II -- save)
#
set @my_binlog_cache_size         =@@global.binlog_cache_size;
set @my_connect_timeout           =@@global.connect_timeout;
set @my_delayed_insert_timeout    =@@global.delayed_insert_timeout;
set @my_delayed_queue_size        =@@global.delayed_queue_size;
set @my_flush                     =@@global.flush;
set @my_flush_time                =@@global.flush_time;
set @my_key_buffer_size           =@@global.key_buffer_size;
set @my_max_binlog_cache_size     =@@global.max_binlog_cache_size;
set @my_max_binlog_size           =@@global.max_binlog_size;
set @my_max_connect_errors        =@@global.max_connect_errors;
set @my_max_connections           =@@global.max_connections;
set @my_max_delayed_threads       =@@global.max_delayed_threads;
set @my_max_heap_table_size       =@@global.max_heap_table_size;
set @my_max_insert_delayed_threads=@@global.max_insert_delayed_threads;
set @my_max_join_size             =@@global.max_join_size;
set @my_myisam_data_pointer_size  =@@global.myisam_data_pointer_size;
set @my_myisam_max_sort_file_size =@@global.myisam_max_sort_file_size;
set @my_net_buffer_length         =@@global.net_buffer_length;
set @my_net_write_timeout         =@@global.net_write_timeout;
set @my_net_read_timeout          =@@global.net_read_timeout;
set @my_rpl_recovery_rank         =@@global.rpl_recovery_rank;
set @my_server_id                 =@@global.server_id;
set @my_slow_launch_time          =@@global.slow_launch_time;
set @my_storage_engine            =@@global.default_storage_engine;
set @my_thread_cache_size         =@@global.thread_cache_size;
set @my_max_allowed_packet        =@@global.max_allowed_packet;
set @my_delay_key_write           =@@global.delay_key_write;
set @my_join_buffer_size          =@@global.join_buffer_size;
# case insensitivity tests (new in 5.0)
set @`test`=1;
select @test, @`test`, @TEST, @`TEST`, @"teSt";
set @TEST=2;
select @test, @`test`, @TEST, @`TEST`, @"teSt";
set @"tEST"=3;
select @test, @`test`, @TEST, @`TEST`, @"teSt";
set @`TeST`=4;
select @test, @`test`, @TEST, @`TEST`, @"teSt";
select @`teST`:=5;
select @test, @`test`, @TEST, @`TEST`, @"teSt";

set @select=2,@t5=1.23456;
select @`select`,@not_used;
set @test_int=10,@test_double=1e-10,@test_string="abcdeghi",@test_string2="abcdefghij",@select=NULL;
# Expected result "1e-10", windows returns "1e-010"
--replace_result 1e-010 1e-10
select @test_int,@test_double,@test_string,@test_string2,@select;
set @test_int="hello",@test_double="hello",@test_string="hello",@test_string2="hello";
select @test_int,@test_double,@test_string,@test_string2;
set @test_int="hellohello",@test_double="hellohello",@test_string="hellohello",@test_string2="hellohello";
select @test_int,@test_double,@test_string,@test_string2;
set @test_int=null,@test_double=null,@test_string=null,@test_string2=null;
select @test_int,@test_double,@test_string,@test_string2;
select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
explain extended select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
select @t5;

#
# Test problem with WHERE and variables
#

CREATE TABLE t1 (c_id INT(4) NOT NULL, c_name CHAR(20), c_country CHAR(3), PRIMARY KEY(c_id));
INSERT INTO t1 VALUES (1,'Bozo','USA'),(2,'Ronald','USA'),(3,'Kinko','IRE'),(4,'Mr. Floppy','GB');
SELECT @min_cid:=min(c_id), @max_cid:=max(c_id) from t1;
SELECT * FROM t1 WHERE c_id=@min_cid OR c_id=@max_cid;
SELECT * FROM t1 WHERE c_id=@min_cid OR c_id=@max_cid OR c_id=666;
ALTER TABLE t1 DROP PRIMARY KEY;
select * from t1 where c_id=@min_cid OR c_id=@max_cid;
drop table t1;

#
# Test system variables
#
set GLOBAL max_join_size=10;
set max_join_size=100;
show variables like 'max_join_size';
select * from information_schema.session_variables where variable_name like 'max_join_size';
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
show global variables like 'max_join_size';
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
select * from information_schema.global_variables where variable_name like 'max_join_size';
set GLOBAL max_join_size=2000;
show global variables like 'max_join_size';
select * from information_schema.global_variables where variable_name like 'max_join_size';
set max_join_size=DEFAULT;
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
show variables like 'max_join_size';
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
select * from information_schema.session_variables where variable_name like 'max_join_size';
set GLOBAL max_join_size=DEFAULT;
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
show global variables like 'max_join_size';
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
select * from information_schema.global_variables where variable_name like 'max_join_size';
set @@max_join_size=1000, @@global.max_join_size=2000;
select @@local.max_join_size, @@global.max_join_size;
select @@identity,  length(@@version)>0;
select @@VERSION=version();
select last_insert_id(345);
explain extended select last_insert_id(345);
select @@IDENTITY,last_insert_id(), @@identity;
explain extended select @@IDENTITY,last_insert_id(), @@identity;

set big_tables=OFF, big_tables=ON, big_tables=0, big_tables=1, big_tables="OFF", big_tables="ON";

set global concurrent_insert=2;
show variables like 'concurrent_insert';
select * from information_schema.session_variables where variable_name like 'concurrent_insert';
set global concurrent_insert=1;
show variables like 'concurrent_insert';
select * from information_schema.session_variables where variable_name like 'concurrent_insert';
set global concurrent_insert=0;
show variables like 'concurrent_insert';
select * from information_schema.session_variables where variable_name like 'concurrent_insert';
set global concurrent_insert=DEFAULT;
select @@concurrent_insert;

set global timed_mutexes=ON;
show variables like 'timed_mutexes';
select * from information_schema.session_variables where variable_name like 'timed_mutexes';
set global timed_mutexes=0;
show variables like 'timed_mutexes';
select * from information_schema.session_variables where variable_name like 'timed_mutexes';

set default_storage_engine=MYISAM, default_storage_engine="HEAP", global default_storage_engine="MERGE";
show local variables like 'default_storage_engine';
select * from information_schema.session_variables where variable_name like 'default_storage_engine';
show global variables like 'default_storage_engine';
select * from information_schema.global_variables where variable_name like 'default_storage_engine';

set GLOBAL myisam_max_sort_file_size=2000000;
show global variables like 'myisam_max_sort_file_size';
select * from information_schema.global_variables where variable_name like 'myisam_max_sort_file_size';
set GLOBAL myisam_max_sort_file_size=default;
--replace_result 9223372036853727232 FILE_SIZE 2146435072 FILE_SIZE
show global variables like 'myisam_max_sort_file_size';
--replace_result 9223372036853727232 FILE_SIZE 2146435072 FILE_SIZE
select * from information_schema.global_variables where variable_name like 'myisam_max_sort_file_size';

# bug#22891: modified to take read-only SESSION net_buffer_length into account
set global net_retry_count=10, session net_retry_count=10;
set global net_buffer_length=1024, net_write_timeout=200, net_read_timeout=300;
show global variables like 'net_%';
select * from information_schema.global_variables where variable_name like 'net_%' order by 1;
show session variables like 'net_%';
select * from information_schema.session_variables where variable_name like 'net_%' order by 1;
set global net_buffer_length=8000, global net_read_timeout=900, net_write_timeout=1000;
show global variables like 'net_%';
select * from information_schema.global_variables where variable_name like 'net_%' order by 1;
set global net_buffer_length=1;
show global variables like 'net_buffer_length';
select * from information_schema.global_variables where variable_name like 'net_buffer_length';
#warning 1292
set global net_buffer_length=2000000000;
show global variables like 'net_buffer_length';
select * from information_schema.global_variables where variable_name like 'net_buffer_length';

set character set cp1251_koi8;
show variables like "character_set_client";
select * from information_schema.session_variables where variable_name like 'character_set_client';
select @@timestamp>0;

set @@rand_seed1=10000000,@@rand_seed2=1000000;
select ROUND(RAND(),5);


--echo
--echo ==+ Testing %alloc% system variables +==
--echo ==+ NOTE:  These values *must* be a multiple of 1024 +==
--echo ==+ Other values will be rounded down to nearest multiple +==
--echo
--echo ==+ Show initial values +==
SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size');

--echo ==+ information_schema data +==
SELECT * FROM information_schema.session_variables 
WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size') ORDER BY 1;
--echo Testing values that are multiples of 1024
set @@range_alloc_block_size=1024*15+1024;
set @@query_alloc_block_size=1024*15+1024*2;
set @@query_prealloc_size=1024*18-1024;
set @@transaction_alloc_block_size=1024*21-1024*1;
set @@transaction_prealloc_size=1024*21-2048;
--echo ==+ Check manipulated values ==+
select @@query_alloc_block_size;
SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size');
--echo ==+ information_schema data +==
SELECT * FROM information_schema.session_variables
WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size') ORDER BY 1;
--echo ==+ Manipulate variable values +==
--echo Testing values that are not 1024 multiples
set @@range_alloc_block_size=1024*16+1023;
set @@query_alloc_block_size=1024*17+2;
set @@query_prealloc_size=1024*18-1023;
set @@transaction_alloc_block_size=1024*20-1;
set @@transaction_prealloc_size=1024*21-1;
--echo ==+ Check manipulated values ==+
SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size');
--echo ==+ information_schema data +==
SELECT * FROM information_schema.session_variables 
WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size') ORDER BY 1;
--echo ==+ Set values back to the default values +==
set @@range_alloc_block_size=default;
set @@query_alloc_block_size=default, @@query_prealloc_size=default;
set transaction_alloc_block_size=default, @@transaction_prealloc_size=default;
--echo ==+ Check the values now that they are reset +==
SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
'query_alloc_block_size', 'query_prealloc_size',
'transaction_alloc_block_size', 'transaction_prealloc_size');

#
# Bug #10904 Illegal mix of collations between
# a system variable and a constant
#
SELECT @@version LIKE 'non-existent';
SELECT @@version_compile_os LIKE 'non-existent';

# The following should give errors

--error ER_WRONG_VALUE_FOR_VAR
set big_tables=OFFF;
--error ER_WRONG_VALUE_FOR_VAR
set big_tables="OFFF";
--error ER_UNKNOWN_SYSTEM_VARIABLE
set unknown_variable=1;
--error ER_WRONG_TYPE_FOR_VAR
set max_join_size="hello";
--error ER_UNKNOWN_STORAGE_ENGINE
set default_storage_engine=UNKNOWN_TABLE_TYPE;
--error ER_WRONG_VALUE_FOR_VAR
set default_storage_engine=MERGE, big_tables=2;
show local variables like 'default_storage_engine';
--error ER_UNKNOWN_CHARACTER_SET
set character_set_client=UNKNOWN_CHARACTER_SET;
--error ER_UNKNOWN_COLLATION
set collation_connection=UNKNOWN_COLLATION;
--error ER_WRONG_VALUE_FOR_VAR
set character_set_client=NULL;
--error ER_WRONG_VALUE_FOR_VAR
set collation_connection=NULL;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@global.timestamp;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR 
set @@version='';
--error ER_GLOBAL_VARIABLE
set @@concurrent_insert=1;
--error ER_GLOBAL_VARIABLE
set myisam_max_sort_file_size=100;
--error ER_WRONG_VALUE_FOR_VAR
set @@SQL_WARNINGS=NULL;

# Test setting all variables

set autocommit=1;
set big_tables=1;
select @@autocommit, @@big_tables;
set global binlog_cache_size=100;
set bulk_insert_buffer_size=100;
set character set cp1251_koi8;
set character set default;
set @@global.concurrent_insert=1;
set global connect_timeout=100;
select @@delay_key_write;
set global delay_key_write="OFF";
select @@delay_key_write;
set global delay_key_write=ALL;
select @@delay_key_write;
set global delay_key_write=1;
select @@delay_key_write;
set global delayed_insert_limit=100;
set global delayed_insert_timeout=100;
set global delayed_queue_size=100;
set global flush=1;
set global flush_time=100;
set insert_id=1;
set interactive_timeout=100;
set join_buffer_size=100;
set last_insert_id=1;
set global local_infile=1;
set long_query_time=0.000001;
select @@long_query_time;
set long_query_time=100.000001;
select @@long_query_time;
set low_priority_updates=1;
set global max_allowed_packet=100;
set global max_binlog_cache_size=100;
set global max_binlog_size=100;
set global max_connect_errors=100;
set global max_connections=100;
set global max_delayed_threads=100;
set max_heap_table_size=100;
set max_join_size=100;
set max_sort_length=100;
set max_tmp_tables=100;
set global max_user_connections=100;
select @@max_user_connections;
set global max_write_lock_count=100;
set myisam_sort_buffer_size=100;
set global net_buffer_length=100;
set net_read_timeout=100;
set net_write_timeout=100;
set read_buffer_size=100;
set read_rnd_buffer_size=100;
set global rpl_recovery_rank=100;
set global server_id=100;
set global slow_launch_time=100;
set sort_buffer_size=100;
set @@max_sp_recursion_depth=10;
select @@max_sp_recursion_depth;
set @@max_sp_recursion_depth=0;
select @@max_sp_recursion_depth;
set sql_auto_is_null=1;
select @@sql_auto_is_null;
set @@sql_auto_is_null=0;
select @@sql_auto_is_null;
set sql_big_selects=1;
set sql_big_tables=1;
set sql_buffer_result=1;
set sql_log_bin=1;
set sql_log_off=1;
set sql_low_priority_updates=1;
set sql_quote_show_create=1;
set sql_safe_updates=1;
set sql_select_limit=1;
# reset it, so later tests don't get confused
set sql_select_limit=default;
set sql_warnings=1;
set global table_open_cache=100;
set default_storage_engine=myisam;
set global thread_cache_size=100;
set timestamp=1, timestamp=default;
set tmp_table_size=1024;
set tx_isolation="READ-COMMITTED";
set wait_timeout=100;
set log_warnings=1;
set global log_warnings=1;

#
# Bugs: #20392: INSERT_ID session variable has weird value
#
select @@session.insert_id;
set @save_insert_id=@@session.insert_id;
set session insert_id=20;
select @@session.insert_id;

set session last_insert_id=100;
select @@session.insert_id;
select @@session.last_insert_id;
select @@session.insert_id;

set @@session.insert_id=@save_insert_id;
select @@session.insert_id;

#
# key buffer
#

create table t1 (a int not null auto_increment, primary key(a));
create table t2 (a int not null auto_increment, primary key(a));
insert into t1 values(null),(null),(null);
insert into t2 values(null),(null),(null);
set global key_buffer_size=100000;
select @@key_buffer_size;
select * from t1 where a=2;
select * from t2 where a=3;
check table t1,t2;
select max(a) +1, max(a) +2 into @xx,@yy from t1;
drop table t1,t2;

#
# error conditions
#

--error ER_UNKNOWN_SYSTEM_VARIABLE
select @@xxxxxxxxxx;
select 1;

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.key_buffer_size;

--error ER_GLOBAL_VARIABLE
set ft_boolean_syntax = @@init_connect;
--error ER_WRONG_VALUE_FOR_VAR
set global ft_boolean_syntax = @@init_connect;
--error ER_GLOBAL_VARIABLE
set init_connect = NULL;
set global init_connect = NULL;
--error ER_GLOBAL_VARIABLE
set ft_boolean_syntax = @@init_connect;
--error ER_WRONG_VALUE_FOR_VAR
set global ft_boolean_syntax = @@init_connect;

# Bug#3754 SET GLOBAL myisam_max_sort_file_size doesn't work as
# expected: check that there is no overflow when 64-bit unsigned
# variables are set

set global myisam_max_sort_file_size=4294967296;
--replace_result 4294967296 MAX_FILE_SIZE 2146435072 MAX_FILE_SIZE
show global variables like 'myisam_max_sort_file_size';
--replace_result 4294967296 MAX_FILE_SIZE 2146435072 MAX_FILE_SIZE
select * from information_schema.global_variables where variable_name like 'myisam_max_sort_file_size';
set global myisam_max_sort_file_size=default;

#
# swap
#
select @@global.max_user_connections,@@local.max_join_size;
set @svc=@@global.max_user_connections, @svj=@@local.max_join_size;
select @@global.max_user_connections,@@local.max_join_size;
set @@global.max_user_connections=111,@@local.max_join_size=222;
select @@global.max_user_connections,@@local.max_join_size;
set @@global.max_user_connections=@@local.max_join_size,@@local.max_join_size=@@global.max_user_connections;
select @@global.max_user_connections,@@local.max_join_size;
set @@global.max_user_connections=@svc, @@local.max_join_size=@svj;
select @@global.max_user_connections,@@local.max_join_size;
set @a=1, @b=2;
set @a=@b, @b=@a;
select @a, @b;

#
# Bug#2586:Disallow global/session/local as structured var. instance names
#
--error ER_PARSE_ERROR
set @@global.global.key_buffer_size= 1;
--error ER_PARSE_ERROR
set GLOBAL global.key_buffer_size= 1;
--error ER_PARSE_ERROR
SELECT @@global.global.key_buffer_size;
--error ER_PARSE_ERROR
SELECT @@global.session.key_buffer_size;
--error ER_PARSE_ERROR
SELECT @@global.local.key_buffer_size;

# BUG#5135: cannot turn on log_warnings with SET in 4.1 (and 4.0)
set @tstlw = @@log_warnings;
show global variables like 'log_warnings';
select * from information_schema.global_variables where variable_name like 'log_warnings';
set global log_warnings = 0;
show global variables like 'log_warnings';
select * from information_schema.global_variables where variable_name like 'log_warnings';
set global log_warnings = 42;
show global variables like 'log_warnings';
select * from information_schema.global_variables where variable_name like 'log_warnings';
set global log_warnings = @tstlw;
show global variables like 'log_warnings';
select * from information_schema.global_variables where variable_name like 'log_warnings';

#
# BUG#4788 show create table provides incorrect statement
#
# What default width have numeric types?
create table t1 (
  c1 tinyint,
  c2 smallint,
  c3 mediumint,
  c4 int,
  c5 bigint);
show create table t1;
drop table t1;
#
# What types and widths have variables?
set @arg00= 8, @arg01= 8.8, @arg02= 'a string', @arg03= 0.2e0;
create table t1 as select @arg00 as c1, @arg01 as c2, @arg02 as c3, @arg03 as c4;
show create table t1;
drop table t1;


#
# Bug #6993: myisam_data_pointer_size
# Wrong bug report, data pointer size must be restricted to 7,
# setting to 8 will not work on all computers, myisamchk and
# the server may see a wrong value, such as 0 or negative number
# if 8 bytes is set.
#

SET GLOBAL MYISAM_DATA_POINTER_SIZE= 7;
SHOW VARIABLES LIKE 'MYISAM_DATA_POINTER_SIZE';
SELECT * FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE 'MYISAM_DATA_POINTER_SIZE';

#
# Bug #6958: negative arguments to integer options wrap around
#

SET GLOBAL table_open_cache=-1;
SHOW VARIABLES LIKE 'table_open_cache';
SELECT * FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE 'table_open_cache';
SET GLOBAL table_open_cache=DEFAULT;

#
# Bugs12363: character_set_results is nullable,
# but value_ptr returns string "NULL"
#
set character_set_results=NULL;
select ifnull(@@character_set_results,"really null");
set names latin1;


#
# Bug #9613: @@have_innodb
#

--replace_column 1 #
select @@have_innodb;

#
# Tests for lc_time_names
# Note, when adding new locales, please fix ID accordingly:
# - to test the last ID (currently 108)
# - and the next after the last (currently 109)
#
--echo *** Various tests with LC_TIME_NAMES
--echo *** LC_TIME_NAMES: testing case insensitivity
set @@lc_time_names='ru_ru';
select @@lc_time_names;
--echo *** LC_TIME_NAMES: testing with a user variable
set @lc='JA_JP';
set @@lc_time_names=@lc;
select @@lc_time_names;
--echo *** LC_TIME_NAMES: testing with string expressions
set lc_time_names=concat('de','_','DE');
select @@lc_time_names;
--error ER_UNKNOWN_LOCALE
set lc_time_names=concat('de','+','DE');
select @@lc_time_names;
--echo LC_TIME_NAMES: testing with numeric expressions
set @@lc_time_names=1+2;
select @@lc_time_names;
--error ER_WRONG_TYPE_FOR_VAR
set @@lc_time_names=1/0;
select @@lc_time_names;
set lc_time_names=en_US;
--echo LC_TIME_NAMES: testing NULL and a negative number:
--error ER_WRONG_VALUE_FOR_VAR
set lc_time_names=NULL;
--error ER_UNKNOWN_LOCALE
set lc_time_names=-1;
select @@lc_time_names;
--echo LC_TIME_NAMES: testing locale with the last ID:
set lc_time_names=109;
select @@lc_time_names;
--echo LC_TIME_NAMES: testing a number beyond the valid ID range:
--error ER_UNKNOWN_LOCALE
set lc_time_names=110;
select @@lc_time_names;
--echo LC_TIME_NAMES: testing that 0 is en_US:
set lc_time_names=0;
select @@lc_time_names;

#
# Bug #22648 LC_TIME_NAMES: Setting GLOBAL has no effect
#
select @@global.lc_time_names, @@lc_time_names;
set @@global.lc_time_names=fr_FR;
select @@global.lc_time_names, @@lc_time_names;
--echo New connection
connect (con1,localhost,root,,);
connection con1;
select @@global.lc_time_names, @@lc_time_names;
set @@lc_time_names=ru_RU;
select @@global.lc_time_names, @@lc_time_names;
disconnect con1;
connection default;
--echo Returnung to default connection
select @@global.lc_time_names, @@lc_time_names;
set lc_time_names=default;
select @@global.lc_time_names, @@lc_time_names;
set @@global.lc_time_names=default;
select @@global.lc_time_names, @@lc_time_names;
set @@lc_time_names=default;
select @@global.lc_time_names, @@lc_time_names;


#
# Bug #13334: query_prealloc_size default less than minimum
#
set @test = @@query_prealloc_size;
set @@query_prealloc_size = @test;
select @@query_prealloc_size = @test;

#
# Bug#31588 buffer overrun when setting variables
#
# Buffer-size Off By One. Should throw valgrind-warning without fix #31588.
--error ER_WRONG_VALUE_FOR_VAR
set global sql_mode=repeat('a',80);

--echo End of 4.1 tests

#
# Bug#6282 Packet error with SELECT INTO
# 

create table t1 (a int);
select a into @x from t1;
show warnings;
drop table t1;

#
# Bug #10339: read only variables.
#

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set @@warning_count=1;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set @@global.error_count=1;

#
# Bug #10351: Setting ulong variable to > MAX_ULONG fails on 32-bit platform
#

--disable_warnings
set @@max_heap_table_size= 4294967296;
select @@max_heap_table_size > 0;
set global max_heap_table_size= 4294967296;
select @@max_heap_table_size > 0;
set @@max_heap_table_size= 4294967296;
select @@max_heap_table_size > 0;
--enable_warnings

#
# Bug #11775 Variable character_set_system does not exist (sometimes)
#
select @@character_set_system;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set global character_set_system = latin1;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set @@global.version_compile_os='234';

#
# Check character_set_filesystem variable
#
set character_set_filesystem=latin1;
select @@character_set_filesystem;
set @@global.character_set_filesystem=latin2;
set character_set_filesystem=latin1;
select @@character_set_filesystem;
set @@global.character_set_filesystem=latin2;
set character_set_filesystem=default;
select @@character_set_filesystem;
set @@global.character_set_filesystem=default;
select @@global.character_set_filesystem;

#
# Bug #17849: Show sql_big_selects in SHOW VARIABLES
#
set @old_sql_big_selects = @@sql_big_selects;
set @@sql_big_selects = 1;
show variables like 'sql_big_selects';
select * from information_schema.session_variables where variable_name like 'sql_big_selects';
set @@sql_big_selects = @old_sql_big_selects;

#
# Bug #16195: SHOW VARIABLES doesn't report correctly sql_warnings and
# sql_notes values
# 
set @@sql_notes = 0, @@sql_warnings = 0;
show variables like 'sql_notes';
select * from information_schema.session_variables where variable_name like 'sql_notes';
show variables like 'sql_warnings';
select * from information_schema.session_variables where variable_name like 'sql_warnings';
set @@sql_notes = 1, @@sql_warnings = 1;
show variables like 'sql_notes';
select * from information_schema.session_variables where variable_name like 'sql_notes';
show variables like 'sql_warnings';
select * from information_schema.session_variables where variable_name like 'sql_warnings';

#
# Bug #12792: @@system_time_zone is not SELECTable.
#
# Don't actually output, since it depends on the system
--replace_column 1 #
select @@system_time_zone;

#
# Bug #15684: system variables cannot be SELECTed (e.g. @@version_comment)
#
# Don't actually output, since it depends on the system
--replace_column 1 # 2 # 3 # 4 #
select @@version, @@version_comment, @@version_compile_machine,
       @@version_compile_os;

#
# Bug #1039: make tmpdir and datadir available as @@variables (also included
# basedir)
#
# Don't actually output, since it depends on the system
--replace_column 1 # 2 # 3 #
select @@basedir, @@datadir, @@tmpdir;
--replace_column 2 #
show variables like 'basedir';
--replace_column 2 #
select * from information_schema.session_variables where variable_name like 'basedir';
--replace_column 2 #
show variables like 'datadir';
--replace_column 2 #
select * from information_schema.session_variables where variable_name like 'datadir';
--replace_column 2 #
show variables like 'tmpdir';
--replace_column 2 #
select * from information_schema.session_variables where variable_name like 'tmpdir';

#
# Bug #19606: make ssl settings available via SHOW VARIABLES and @@variables
# 
# Don't actually output, since it depends on the system
set sort_buffer_size=1024*8;
--replace_column 1 # 2 # 3 # 4 # 5 #
select @@ssl_ca, @@ssl_capath, @@ssl_cert, @@ssl_cipher, @@ssl_key;
--replace_column 2 #
show variables like 'ssl%';
--replace_column 2 #
select * from information_schema.session_variables where variable_name like 'ssl%' order by 1;

#
# Bug #19616: make log_queries_not_using_indexes available in SHOW VARIABLES
# and as @@log_queries_not_using_indexes
#
select @@log_queries_not_using_indexes;
show variables like 'log_queries_not_using_indexes';
select * from information_schema.session_variables where variable_name like 'log_queries_not_using_indexes';

#
# Bug#20908: Crash if select @@""
#
--error ER_PARSE_ERROR
select @@"";
--error ER_PARSE_ERROR
select @@&;
--error ER_PARSE_ERROR
select @@@;

#
# Bug#20166 mysql-test-run.pl does not test system privilege tables creation
#
# Don't actually output, since it depends on the system
--replace_column 1 #
select @@hostname;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set @@hostname= "anothername";
--replace_column 2 #
show variables like 'hostname';

--echo #
--echo # BUG#37408 - Compressed MyISAM files should not require/use mmap()
--echo #
--echo # Test 'myisam_mmap_size' option is not dynamic
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@myisam_mmap_size= 500M;


--echo #
--echo # Bug #52315: utc_date() crashes when system time > year 2037
--echo #

--error 0, ER_WRONG_VALUE_FOR_VAR
SET TIMESTAMP=2*1024*1024*1024;
--echo #Should not crash
--disable_result_log
SELECT UTC_DATE();
--enable_result_log
SET TIMESTAMP=DEFAULT;


--echo End of 5.0 tests

#
# Bug#36446: Attempt to set @@join_buffer_size to its minimum value
#            produces spurious warning
#

# set to 1 so mysqld will correct to minimum (+ warn)
set join_buffer_size=1;
# save minimum
set @save_join_buffer_size=@@join_buffer_size;
# set minimum
set join_buffer_size=@save_join_buffer_size;

# This is at the very after the versioned tests, since it involves doing
# cleanup
#
# Bug #19263: variables.test doesn't clean up after itself (II/II --
# restore)
#
set global binlog_cache_size         =@my_binlog_cache_size;
set global connect_timeout           =@my_connect_timeout;
set global delayed_insert_timeout    =@my_delayed_insert_timeout;
set global delayed_queue_size        =@my_delayed_queue_size;
set global flush                     =@my_flush;
set global flush_time                =@my_flush_time;
set global key_buffer_size           =@my_key_buffer_size;
set global max_binlog_cache_size     =@my_max_binlog_cache_size;
set global max_binlog_size           =@my_max_binlog_size;
set global max_connect_errors        =@my_max_connect_errors;
set global max_connections           =@my_max_connections;
set global max_delayed_threads       =@my_max_delayed_threads;
set global max_heap_table_size       =@my_max_heap_table_size;
set global max_insert_delayed_threads=@my_max_insert_delayed_threads;
set global max_join_size             =@my_max_join_size;
set global max_user_connections      =default;
set global max_write_lock_count      =default;
set global myisam_data_pointer_size  =@my_myisam_data_pointer_size;
set global myisam_max_sort_file_size =@my_myisam_max_sort_file_size;
set global net_buffer_length         =@my_net_buffer_length;
set global net_write_timeout         =@my_net_write_timeout;
set global net_read_timeout          =@my_net_read_timeout;
set global rpl_recovery_rank         =@my_rpl_recovery_rank;
set global server_id                 =@my_server_id;
set global slow_launch_time          =@my_slow_launch_time;
set global default_storage_engine            =@my_storage_engine;
set global thread_cache_size         =@my_thread_cache_size;
set global max_allowed_packet        = default;
set global delay_key_write           =@my_delay_key_write;
set global join_buffer_size          =@my_join_buffer_size;

#
# Bug#28580 Repeatation of status variables
#
--replace_column 2 #
show global variables where Variable_name='table_definition_cache';
# Note: table_lock_wait_timeout no longer exists. See bug#45225.

###########################################################################

--echo
--echo # --
--echo # -- Bug#34820: log_output can be set to illegal value.
--echo # --

--error ER_WRONG_VALUE_FOR_VAR
SET GLOBAL log_output = '';

--error ER_WRONG_VALUE_FOR_VAR
SET GLOBAL log_output = 0;

--echo
--echo # -- End of Bug#34820.

#
# Bug#28234 - global/session scope - documentation vs implementation
#
--echo
--echo #
SHOW VARIABLES like 'ft_max_word_len';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.ft_max_word_len;
SELECT @@global.ft_max_word_len;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.ft_max_word_len= 7;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.ft_max_word_len= 7;
#
--echo #
SHOW VARIABLES like 'ft_min_word_len';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.ft_min_word_len;
SELECT @@global.ft_min_word_len;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.ft_min_word_len= 7;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.ft_min_word_len= 7;
#
--echo #
SHOW VARIABLES like 'ft_query_expansion_limit';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.ft_query_expansion_limit;
SELECT @@global.ft_query_expansion_limit;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.ft_query_expansion_limit= 7;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.ft_query_expansion_limit= 7;
#
--echo #
SHOW VARIABLES like 'ft_stopword_file';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.ft_stopword_file;
SELECT @@global.ft_stopword_file;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.ft_stopword_file= 'x';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.ft_stopword_file= 'x';
#
# Additional variables fixed.
#
--echo #
SHOW VARIABLES like 'back_log';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.back_log;
SELECT @@global.back_log;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.back_log= 7;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.back_log= 7;
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'large_files_support';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.large_files_support;
--replace_column 1 #
SELECT @@global.large_files_support;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.large_files_support= true;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.large_files_support= true;
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'character_sets_dir';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.character_sets_dir;
--replace_column 1 #
SELECT @@global.character_sets_dir;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.character_sets_dir= 'x';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.character_sets_dir= 'x';
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'init_file';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.init_file;
--replace_column 1 #
SELECT @@global.init_file;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.init_file= 'x';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.init_file= 'x';
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'lc_messages_dir';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.lc_messages_dir;
--replace_column 1 #
SELECT @@global.lc_messages_dir;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.lc_messages_dir= 'x';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.lc_messages_dir= 'x';
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'large_page_size';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.large_page_size;
--replace_column 1 #
SELECT @@global.large_page_size;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.large_page_size= 7;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.large_page_size= 7;
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'large_pages';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.large_pages;
--replace_column 1 #
SELECT @@global.large_pages;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.large_pages= true;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.large_pages= true;
#
--echo #
SHOW VARIABLES like 'log_bin';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.log_bin;
SELECT @@global.log_bin;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.log_bin= true;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.log_bin= true;
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'log_error';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.log_error;
--replace_column 1 #
SELECT @@global.log_error;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.log_error= 'x';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.log_error= 'x';
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'lower_case_file_system';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.lower_case_file_system;
--replace_column 1 #
SELECT @@global.lower_case_file_system;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.lower_case_file_system= true;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.lower_case_file_system= true;
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'lower_case_table_names';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.lower_case_table_names;
--replace_column 1 #
SELECT @@global.lower_case_table_names;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.lower_case_table_names= 7;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.lower_case_table_names= 7;
#
--echo #
SHOW VARIABLES like 'myisam_recover_options';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.myisam_recover_options;
SELECT @@global.myisam_recover_options;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.myisam_recover_options= 'x';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.myisam_recover_options= 'x';
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'open_files_limit';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.open_files_limit;
--replace_column 1 #
SELECT @@global.open_files_limit;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.open_files_limit= 7;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.open_files_limit= 7;
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'pid_file';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.pid_file;
--replace_column 1 #
SELECT @@global.pid_file;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.pid_file= 'x';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.pid_file= 'x';
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'plugin_dir';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.plugin_dir;
--replace_column 1 #
SELECT @@global.plugin_dir;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.plugin_dir= 'x';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.plugin_dir= 'x';
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'port';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.port;
--replace_column 1 #
SELECT @@global.port;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.port= 7;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.port= 7;
#
--echo #
SHOW VARIABLES like 'protocol_version';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.protocol_version;
SELECT @@global.protocol_version;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.protocol_version= 7;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.protocol_version= 7;
#
--echo #
SHOW VARIABLES like 'skip_external_locking';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.skip_external_locking;
SELECT @@global.skip_external_locking;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.skip_external_locking= true;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.skip_external_locking= true;
#
--echo #
SHOW VARIABLES like 'skip_networking';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.skip_networking;
SELECT @@global.skip_networking;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.skip_networking= true;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.skip_networking= true;
#
--echo #
SHOW VARIABLES like 'skip_show_database';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.skip_show_database;
SELECT @@global.skip_show_database;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.skip_show_database= true;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.skip_show_database= true;
#
--echo #
--replace_column 2 #
SHOW VARIABLES like 'thread_stack';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.thread_stack;
--replace_column 1 #
SELECT @@global.thread_stack;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@session.thread_stack= 7;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.thread_stack= 7;
#

#
# Bug #40657 - assertion with out of range variables and traditional sql_mode
#

SELECT @@global.expire_logs_days INTO @old_eld;

SET GLOBAL expire_logs_days = -1;
--echo needs to've been adjusted (0)
SELECT @@global.expire_logs_days;

SET GLOBAL expire_logs_days = 11;
SET @old_mode=@@sql_mode;
SET SESSION sql_mode = 'TRADITIONAL';
--error ER_WRONG_VALUE_FOR_VAR
SET GLOBAL expire_logs_days = 100;
--echo needs to be unchanged (11)
SELECT @@global.expire_logs_days;
SET SESSION sql_mode = @old_mode;

SET GLOBAL expire_logs_days = 100;
--echo needs to've been adjusted (99)
SELECT @@global.expire_logs_days;

SET GLOBAL expire_logs_days = 11;
SET GLOBAL expire_logs_days = 99;
--echo needs to pass with no warnings (99)
SELECT @@global.expire_logs_days;

# cleanup
SET GLOBAL expire_logs_days = @old_eld;

# show that warning uses underscore (sysvar-name), not hyphens (option-name)
SET GLOBAL auto_increment_offset=-1;
SET GLOBAL auto_increment_offset=0;



#
# Bug#41030 Wrong meta data (incorrect fieldlen)
#

--enable_metadata
select @@default_storage_engine;
--disable_metadata

#
# Bug#36540: CREATE EVENT and ALTER EVENT statements fail with large server_id
#

SET @old_server_id = @@GLOBAL.server_id;
SET GLOBAL server_id = (1 << 32) - 1;
SELECT @@GLOBAL.server_id;
SET GLOBAL server_id = (1 << 32);
SELECT @@GLOBAL.server_id;
SET GLOBAL server_id = (1 << 60);
SELECT @@GLOBAL.server_id;
SET GLOBAL server_id = 0;
SELECT @@GLOBAL.server_id;
SET GLOBAL server_id = -1;
SELECT @@GLOBAL.server_id;
SET GLOBAL server_id = @old_server_id;

#
# Bug #42778: delete order by null global variable causes 
#             assertion .\filesort.cc, line 797
#

SELECT @@GLOBAL.INIT_FILE, @@GLOBAL.INIT_FILE IS NULL;

CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES ();
SET @bug42778= @@sql_safe_updates;
SET @@sql_safe_updates= 0;
DELETE FROM t1 ORDER BY (@@GLOBAL.INIT_FILE) ASC LIMIT 10;
SET @@sql_safe_updates= @bug42778;

DROP TABLE t1;

--echo #
--echo # BUG#10206 - InnoDB: Transaction requiring Max_BinLog_Cache_size > 4GB always rollsback
--echo #

SET @old_max_binlog_cache_size = @@GLOBAL.max_binlog_cache_size;
--echo # Set the max_binlog_cache_size to size more than 4GB. 
SET GLOBAL max_binlog_cache_size = 5 * 1024 * 1024 * 1024;
SELECT @@GLOBAL.max_binlog_cache_size;
SET GLOBAL max_binlog_cache_size = @old_max_binlog_cache_size;

--echo #
--echo # Bug #37168 : Missing variable - skip_name_resolve
--echo #

SELECT @@skip_name_resolve;
SHOW VARIABLES LIKE 'skip_name_resolve';

--echo #
--echo # Bug #43233 : Some server variables are clipped during "update,"
--echo #              not "check" stage
--echo #

SET @kbs=@@global.key_buffer_size;
SET @kcbs=@@global.key_cache_block_size;

--echo throw errors in STRICT mode
SET SQL_MODE=STRICT_ALL_TABLES;

# sys_var_ulonglong_ptr: sys_max_binlog_cache_size
--error ER_WRONG_VALUE_FOR_VAR
SET @@global.max_binlog_cache_size=-1;

# sys_var_thd_ha_rows: "max_join_size" et al.
--error ER_WRONG_VALUE_FOR_VAR
SET @@global.max_join_size=0;

# sys_var_key_buffer_size: "key_buffer_size"
--error ER_WARN_CANT_DROP_DEFAULT_KEYCACHE
SET @@global.key_buffer_size=0;

# sys_var_key_cache_long: "key_cache_block_size" et al.
--error ER_WRONG_VALUE_FOR_VAR
SET @@global.key_cache_block_size=0;

--echo throw warnings in default mode
SET SQL_MODE=DEFAULT;

SET @@global.max_binlog_cache_size=-1;
SET @@global.max_join_size=0;
# this is an exception. since this is a new error/warning, let's stay
# compatible with the upcoming 5.6.
--error ER_WARN_CANT_DROP_DEFAULT_KEYCACHE
SET @@global.key_buffer_size=0;
SET @@global.key_cache_block_size=0;

# Restore variables
SET @@global.max_binlog_cache_size=DEFAULT;
SET @@global.max_join_size=DEFAULT;
SET @@global.key_buffer_size=@kbs;
SET @@global.key_cache_block_size=@kcbs;

#
# Bug#56976: added new start-up parameter
#
select @@max_long_data_size;

--echo #
--echo # Bug#11766424  59527:
--echo # Assert in DECIMAL_BIN_SIZE: 
--echo # `SCALE >= 0 && PRECISION > 0 && SCALE <= PRE
--echo # This test also exposed a bug with sql_buffer_result
--echo #

CREATE TABLE t1(f1 DECIMAL(1,1) UNSIGNED);
INSERT INTO t1 VALUES (0.2),(0.1);
set @a=NULL;
set sql_buffer_result=0;
SELECT 1 as 'one' FROM t1 GROUP BY @a:= ROUND(f1);

explain SELECT 1 as 'one' FROM t1 GROUP BY @a:= (SELECT ROUND(f1) FROM t1 WHERE f1 = 0);
SELECT 1 as 'one' FROM t1 GROUP BY @a:= (SELECT ROUND(f1) FROM t1 WHERE f1 = 0);
SELECT 1 as 'one' FROM t1 GROUP BY @a:= (SELECT ROUND(f1) FROM t1 WHERE @a=f1);

set sql_buffer_result=1;
explain SELECT 1 as 'one' FROM t1 GROUP BY @a:= (SELECT ROUND(f1) FROM t1 WHERE f1 = 0);
SELECT 1 as 'one' FROM t1 GROUP BY @a:= (SELECT ROUND(f1) FROM t1 WHERE f1 = 0);
SELECT 1 as 'one' FROM t1 GROUP BY @a:= (SELECT ROUND(f1) FROM t1 WHERE @a=f1);

DROP TABLE t1;

set sql_buffer_result=0;

#
# Test of CREATE ... CAST
#

CREATE TABLE t1 AS SELECT @a:= CAST(1 AS UNSIGNED) AS a;
SHOW CREATE TABLE t1;
DROP TABLE t1;

--echo End of 5.1 tests

###########################################################################

--echo
--echo #
--echo # Bug#34828: OF is taken as OFF and a value of 0 is set for variable SQL_notes.
--echo #
--echo

--echo # Checking sql_notes...
SET @sql_notes_saved = @@sql_notes;

--echo
SET @@sql_notes = ON;
SELECT @@sql_notes;

--echo
--error ER_WRONG_VALUE_FOR_VAR
SET @@sql_notes = OF;
SELECT @@sql_notes;

--echo
SET @@sql_notes = OFF;
SELECT @@sql_notes;

--echo
SET @@sql_notes = @sql_notes_saved;

--echo
--echo # Checking delay_key_write...
SET @delay_key_write_saved = @@delay_key_write;

--echo
SET GLOBAL delay_key_write = ON;
SELECT @@delay_key_write;

--echo
--error ER_WRONG_VALUE_FOR_VAR
SET GLOBAL delay_key_write = OF;
SELECT @@delay_key_write;

--echo
--error ER_WRONG_VALUE_FOR_VAR
SET GLOBAL delay_key_write = AL;
SELECT @@delay_key_write;

--echo
SET GLOBAL delay_key_write = OFF;
SELECT @@delay_key_write;

--echo
SET GLOBAL delay_key_write = ALL;
SELECT @@delay_key_write;

--echo
SET GLOBAL delay_key_write = @delay_key_write_saved;

--echo
--echo # Checking sql_safe_updates...
SET @sql_safe_updates_saved = @@sql_safe_updates;

--echo
SET @@sql_safe_updates = ON;
SELECT @@sql_safe_updates;

--echo
--error ER_WRONG_VALUE_FOR_VAR
SET @@sql_safe_updates = OF;
SELECT @@sql_safe_updates;

--echo
SET @@sql_safe_updates = OFF;
SELECT @@sql_safe_updates;

--echo
SET @@sql_safe_updates = @sql_safe_updates_saved;

--echo
--echo # Checking foreign_key_checks...
SET @foreign_key_checks_saved = @@foreign_key_checks;

--echo
SET @@foreign_key_checks = ON;
SELECT @@foreign_key_checks;

--echo
--error ER_WRONG_VALUE_FOR_VAR
SET @@foreign_key_checks = OF;
SELECT @@foreign_key_checks;

--echo
SET @@foreign_key_checks = OFF;
SELECT @@foreign_key_checks;

--echo
SET @@foreign_key_checks = @foreign_key_checks_saved;

--echo
--echo # Checking unique_checks...
SET @unique_checks_saved = @@unique_checks;

--echo
SET @@unique_checks = ON;
SELECT @@unique_checks;

--echo
--error ER_WRONG_VALUE_FOR_VAR
SET @@unique_checks = OF;
SELECT @@unique_checks;

--echo
SET @@unique_checks = OFF;
SELECT @@unique_checks;

--echo
SET @@unique_checks = @unique_checks_saved;

--echo
--echo # Checking sql_buffer_result...
SET @sql_buffer_result_saved = @@sql_buffer_result;

--echo
SET @@sql_buffer_result = ON;
SELECT @@sql_buffer_result;

--echo
--error ER_WRONG_VALUE_FOR_VAR
SET @@sql_buffer_result = OF;
SELECT @@sql_buffer_result;

--echo
SET @@sql_buffer_result = OFF;
SELECT @@sql_buffer_result;

--echo
SET @@sql_buffer_result = @sql_buffer_result_saved;

--echo
--echo # Checking sql_quote_show_create...
SET @sql_quote_show_create_saved = @@sql_quote_show_create;

--echo
SET @@sql_quote_show_create = ON;
SELECT @@sql_quote_show_create;

--echo
--error ER_WRONG_VALUE_FOR_VAR
SET @@sql_quote_show_create = OF;
SELECT @@sql_quote_show_create;

--echo
SET @@sql_quote_show_create = OFF;
SELECT @@sql_quote_show_create;

--echo
SET @@sql_quote_show_create = @sql_quote_show_create_saved;

--echo
--echo # End of Bug#34828.
--echo

--echo # Make sure we can manipulate with autocommit in the
--echo # along with other variables.


--disable_warnings
drop table if exists t1;
drop function if exists t1_max;
drop function if exists t1_min;
--enable_warnings

--disable_warnings
create table t1 (a int) engine=innodb;
--enable_warnings
insert into t1(a) values (0), (1);
create function t1_max() returns int return (select max(a) from t1);
create function t1_min() returns int return (select min(a) from t1);
select t1_min();
select t1_max();
set @@session.autocommit=t1_min(), @@session.autocommit=t1_max(),
    @@session.autocommit=t1_min(), @@session.autocommit=t1_max(),
    @@session.autocommit=t1_min(), @@session.autocommit=t1_max();

--echo # Cleanup.
drop table t1;
drop function t1_min;
drop function t1_max;


###########################################################################


--echo #
--echo # Bug #59884: setting charset to 2048 crashes
--echo #

--error ER_UNKNOWN_CHARACTER_SET
set session character_set_results = 2048;
--error ER_UNKNOWN_CHARACTER_SET
set session character_set_client=2048;
--error ER_UNKNOWN_CHARACTER_SET
set session character_set_connection=2048;
--error ER_UNKNOWN_CHARACTER_SET
set session character_set_server=2048;
--error ER_UNKNOWN_COLLATION
set session collation_server=2048;
--error ER_UNKNOWN_CHARACTER_SET
set session character_set_filesystem=2048;
--error ER_UNKNOWN_CHARACTER_SET
set session character_set_database=2048;
--error ER_UNKNOWN_COLLATION
set session collation_connection=2048;
--error ER_UNKNOWN_COLLATION
set session collation_database=2048;

--echo End of 5.5 tests