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
|
use test;
drop table if exists t1, t_many_col_types ;
create table t1
(
a int, b varchar(30),
primary key(a)
) engine = 'MYISAM' ;
create table t_many_col_types
(
c1 tinyint, c2 smallint, c3 mediumint, c4 int,
c5 integer, c6 bigint, c7 float, c8 double,
c9 double precision, c10 real, c11 decimal(7, 4), c12 numeric(8, 4),
c13 date, c14 datetime, c15 timestamp(14), c16 time,
c17 year, c18 bit, c19 bool, c20 char,
c21 char(10), c22 varchar(30), c23 tinyblob, c24 tinytext,
c25 blob, c26 text, c27 mediumblob, c28 mediumtext,
c29 longblob, c30 longtext, c31 enum('one', 'two', 'three'),
c32 set('monday', 'tuesday', 'wednesday'),
primary key(c1)
) engine = 'MYISAM' ;
delete from t1 ;
insert into t1 values (1,'one');
insert into t1 values (2,'two');
insert into t1 values (3,'three');
insert into t1 values (4,'four');
commit ;
delete from t_many_col_types ;
insert into t_many_col_types
set c1= 1, c2= 1, c3= 1, c4= 1, c5= 1, c6= 1, c7= 1, c8= 1, c9= 1,
c10= 1, c11= 1, c12 = 1,
c13= '2004-02-29', c14= '2004-02-29 11:11:11', c15= '2004-02-29 11:11:11',
c16= '11:11:11', c17= '2004',
c18= 1, c19=true, c20= 'a', c21= '123456789a',
c22= '123456789a123456789b123456789c', c23= 'tinyblob', c24= 'tinytext',
c25= 'blob', c26= 'text', c27= 'mediumblob', c28= 'mediumtext',
c29= 'longblob', c30= 'longtext', c31='one', c32= 'monday';
insert into t_many_col_types
set c1= 9, c2= 9, c3= 9, c4= 9, c5= 9, c6= 9, c7= 9, c8= 9, c9= 9,
c10= 9, c11= 9, c12 = 9,
c13= '2004-02-29', c14= '2004-02-29 11:11:11', c15= '2004-02-29 11:11:11',
c16= '11:11:11', c17= '2004',
c18= 1, c19=false, c20= 'a', c21= '123456789a',
c22= '123456789a123456789b123456789c', c23= 'tinyblob', c24= 'tinytext',
c25= 'blob', c26= 'text', c27= 'mediumblob', c28= 'mediumtext',
c29= 'longblob', c30= 'longtext', c31='two', c32= 'tuesday';
test_sequence
------ simple select tests ------
set @arg00='SELECT' ;
prepare stmt1 from ' ? a from t1 where a=1 ';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '? a from t1 where a=1' at line 1
set @arg00=1 ;
select @arg00, b from t1 where a=1 ;
@arg00 b
1 one
prepare stmt1 from ' select ?, b from t1 where a=1 ' ;
execute stmt1 using @arg00 ;
? b
1 one
set @arg00='lion' ;
select @arg00, b from t1 where a=1 ;
@arg00 b
lion one
prepare stmt1 from ' select ?, b from t1 where a=1 ' ;
execute stmt1 using @arg00 ;
? b
lion one
set @arg00=NULL ;
select @arg00, b from t1 where a=1 ;
@arg00 b
NULL one
prepare stmt1 from ' select ?, b from t1 where a=1 ' ;
execute stmt1 using @arg00 ;
? b
NULL one
set @arg00=1 ;
select b, a - @arg00 from t1 where a=1 ;
b a - @arg00
one 0
prepare stmt1 from ' select b, a - ? from t1 where a=1 ' ;
execute stmt1 using @arg00 ;
b a - ?
one 0
set @arg00='MySQL' ;
select substr(@arg00,1,2) from t1 where a=1 ;
substr(@arg00,1,2)
My
prepare stmt1 from ' select substr(?,1,2) from t1 where a=1 ' ;
execute stmt1 using @arg00 ;
substr(?,1,2)
My
set @arg00=3 ;
select substr('MySQL',@arg00,5) from t1 where a=1 ;
substr('MySQL',@arg00,5)
SQL
prepare stmt1 from ' select substr(''MySQL'',?,5) from t1 where a=1 ' ;
execute stmt1 using @arg00 ;
substr('MySQL',?,5)
SQL
select substr('MySQL',1,@arg00) from t1 where a=1 ;
substr('MySQL',1,@arg00)
MyS
prepare stmt1 from ' select substr(''MySQL'',1,?) from t1 where a=1 ' ;
execute stmt1 using @arg00 ;
substr('MySQL',1,?)
MyS
set @arg00='MySQL' ;
select a , concat(@arg00,b) from t1 ;
a concat(@arg00,b)
1 MySQLone
2 MySQLtwo
3 MySQLthree
4 MySQLfour
prepare stmt1 from ' select a , concat(?,b) from t1 ' ;
execute stmt1 using @arg00;
a concat(?,b)
1 MySQLone
2 MySQLtwo
3 MySQLthree
4 MySQLfour
select a , concat(b,@arg00) from t1 ;
a concat(b,@arg00)
1 oneMySQL
2 twoMySQL
3 threeMySQL
4 fourMySQL
prepare stmt1 from ' select a , concat(b,?) from t1 ' ;
execute stmt1 using @arg00;
a concat(b,?)
1 oneMySQL
2 twoMySQL
3 threeMySQL
4 fourMySQL
set @arg00='MySQL' ;
select group_concat(@arg00,b) from t1
group by 'a' ;
group_concat(@arg00,b)
MySQLone,MySQLtwo,MySQLthree,MySQLfour
prepare stmt1 from ' select group_concat(?,b) from t1
group by ''a'' ' ;
execute stmt1 using @arg00;
group_concat(?,b)
MySQLone,MySQLtwo,MySQLthree,MySQLfour
select group_concat(b,@arg00) from t1
group by 'a' ;
group_concat(b,@arg00)
oneMySQL,twoMySQL,threeMySQL,fourMySQL
prepare stmt1 from ' select group_concat(b,?) from t1
group by ''a'' ' ;
execute stmt1 using @arg00;
group_concat(b,?)
oneMySQL,twoMySQL,threeMySQL,fourMySQL
set @arg00='first' ;
set @arg01='second' ;
set @arg02=NULL;
select @arg00, @arg01 from t1 where a=1 ;
@arg00 @arg01
first second
prepare stmt1 from ' select ?, ? from t1 where a=1 ' ;
execute stmt1 using @arg00, @arg01 ;
? ?
first second
execute stmt1 using @arg02, @arg01 ;
? ?
NULL second
execute stmt1 using @arg00, @arg02 ;
? ?
first NULL
execute stmt1 using @arg02, @arg02 ;
? ?
NULL NULL
drop table if exists new_tab ;
create table new_tab (id1 int(11) not null default '0',
value2 varchar(100), value1 varchar(100)) ;
insert into new_tab values (1,'hh','hh'),(2,'hh','hh'),
(1,'ii','ii'),(2,'ii','ii') ;
prepare stmt1 from ' select id1,value1 from new_tab where id1=? or value1=? ' ;
set @arg00=1 ;
set @arg01='hh' ;
execute stmt1 using @arg00, @arg01 ;
id1 value1
1 hh
2 hh
1 ii
drop table new_tab ;
drop table if exists new_tab ;
create table new_tab(session_id char(9) not null) ;
insert into new_tab values ('abc') ;
prepare stmt1 from ' select * from new_tab
where ?=''1111'' and session_id = ''abc'' ' ;
set @arg00='abc' ;
execute stmt1 using @arg00 ;
session_id
set @arg00='1111' ;
execute stmt1 using @arg00 ;
session_id
abc
set @arg00='abc' ;
execute stmt1 using @arg00 ;
session_id
drop table new_tab ;
set @arg00='FROM' ;
select a @arg00 t1 where a=1 ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '@arg00 t1 where a=1' at line 1
prepare stmt1 from ' select a ? t1 where a=1 ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '? t1 where a=1' at line 1
set @arg00='t1' ;
select a from @arg00 where a=1 ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '@arg00 where a=1' at line 1
prepare stmt1 from ' select a from ? where a=1 ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '? where a=1' at line 1
set @arg00='WHERE' ;
select a from t1 @arg00 a=1 ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '@arg00 a=1' at line 1
prepare stmt1 from ' select a from t1 ? a=1 ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '? a=1' at line 1
set @arg00=1 ;
select a FROM t1 where a=@arg00 ;
a
1
prepare stmt1 from ' select a FROM t1 where a=? ' ;
execute stmt1 using @arg00 ;
a
1
set @arg00=1000 ;
execute stmt1 using @arg00 ;
a
set @arg00=NULL ;
select a FROM t1 where a=@arg00 ;
a
prepare stmt1 from ' select a FROM t1 where a=? ' ;
execute stmt1 using @arg00 ;
a
set @arg00=4 ;
select a FROM t1 where a=sqrt(@arg00) ;
a
2
prepare stmt1 from ' select a FROM t1 where a=sqrt(?) ' ;
execute stmt1 using @arg00 ;
a
2
set @arg00=NULL ;
select a FROM t1 where a=sqrt(@arg00) ;
a
prepare stmt1 from ' select a FROM t1 where a=sqrt(?) ' ;
execute stmt1 using @arg00 ;
a
set @arg00=2 ;
set @arg01=3 ;
select a FROM t1 where a in (@arg00,@arg01);
a
2
3
prepare stmt1 from ' select a FROM t1 where a in (?,?) ';
execute stmt1 using @arg00, @arg01;
a
2
3
prepare stmt1 from ' select b FROM t1 where b like ? ';
set @arg00='two' ;
execute stmt1 using @arg00 ;
b
two
set @arg00='tw%' ;
execute stmt1 using @arg00 ;
b
two
set @arg00='%wo' ;
execute stmt1 using @arg00 ;
b
two
set @arg00='>' ;
select a FROM t1 where a @arg00 1 ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '@arg00 1' at line 1
prepare stmt1 from ' select a FROM t1 where a ? 1 ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '? 1' at line 1
set @arg00=1 ;
select a,b FROM t1 where a is not NULL
AND b is not NULL group by a - @arg00 ;
a b
1 one
2 two
3 three
4 four
prepare stmt1 from ' select a,b FROM t1 where a is not NULL
AND b is not NULL group by a - ? ' ;
execute stmt1 using @arg00 ;
a b
1 one
2 two
3 three
4 four
set @arg00='two' ;
select a,b FROM t1 where a is not NULL
AND b is not NULL having b <> @arg00 ;
a b
1 one
3 three
4 four
prepare stmt1 from ' select a,b FROM t1 where a is not NULL
AND b is not NULL having b <> ? ' ;
execute stmt1 using @arg00 ;
a b
1 one
3 three
4 four
set @arg00=1 ;
select a,b FROM t1 where a is not NULL
AND b is not NULL order by a - @arg00 ;
a b
1 one
2 two
3 three
4 four
prepare stmt1 from ' select a,b FROM t1 where a is not NULL
AND b is not NULL order by a - ? ' ;
execute stmt1 using @arg00 ;
a b
1 one
2 two
3 three
4 four
set @arg00=2 ;
select a,b from t1 order by 2 ;
a b
4 four
1 one
3 three
2 two
prepare stmt1 from ' select a,b from t1
order by ? ';
execute stmt1 using @arg00;
a b
4 four
1 one
3 three
2 two
set @arg00=1 ;
execute stmt1 using @arg00;
a b
1 one
2 two
3 three
4 four
set @arg00=0 ;
execute stmt1 using @arg00;
ERROR 42S22: Unknown column '?' in 'order clause'
set @arg00=1;
prepare stmt1 from ' select a,b from t1
limit 1 ';
execute stmt1 ;
a b
1 one
prepare stmt1 from ' select a,b from t1
limit ? ';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?' at line 2
set @arg00='b' ;
set @arg01=0 ;
set @arg02=2 ;
set @arg03=2 ;
select sum(a), @arg00 from t1 where a > @arg01
and b is not null group by substr(b,@arg02)
having sum(a) <> @arg03 ;
sum(a) @arg00
3 b
1 b
4 b
prepare stmt1 from ' select sum(a), ? from t1 where a > ?
and b is not null group by substr(b,?)
having sum(a) <> ? ';
execute stmt1 using @arg00, @arg01, @arg02, @arg03;
sum(a) ?
3 b
1 b
4 b
test_sequence
------ join tests ------
select first.a as a1, second.a as a2
from t1 first, t1 second
where first.a = second.a ;
a1 a2
1 1
2 2
3 3
4 4
prepare stmt1 from ' select first.a as a1, second.a as a2
from t1 first, t1 second
where first.a = second.a ';
execute stmt1 ;
a1 a2
1 1
2 2
3 3
4 4
set @arg00='ABC';
set @arg01='two';
set @arg02='one';
select first.a, @arg00, second.a FROM t1 first, t1 second
where @arg01 = first.b or first.a = second.a or second.b = @arg02;
a @arg00 a
1 ABC 1
2 ABC 1
3 ABC 1
4 ABC 1
2 ABC 2
2 ABC 3
3 ABC 3
2 ABC 4
4 ABC 4
prepare stmt1 from ' select first.a, ?, second.a FROM t1 first, t1 second
where ? = first.b or first.a = second.a or second.b = ? ';
execute stmt1 using @arg00, @arg01, @arg02;
a ? a
1 ABC 1
2 ABC 1
3 ABC 1
4 ABC 1
2 ABC 2
2 ABC 3
3 ABC 3
2 ABC 4
4 ABC 4
test_sequence
------ subquery tests ------
prepare stmt1 from ' select a, b FROM t1 outer_table where
a = (select a from t1 where b = ''two'') ';
execute stmt1 ;
a b
2 two
set @arg00='two' ;
select a, b FROM t1 outer_table where
a = (select a from t1 where b = 'two' ) and b=@arg00 ;
a b
2 two
prepare stmt1 from ' select a, b FROM t1 outer_table where
a = (select a from t1 where b = ''two'') and b=? ';
execute stmt1 using @arg00;
a b
2 two
set @arg00='two' ;
select a, b FROM t1 outer_table where
a = (select a from t1 where b = @arg00 ) and b='two' ;
a b
2 two
prepare stmt1 from ' select a, b FROM t1 outer_table where
a = (select a from t1 where b = ? ) and b=''two'' ' ;
execute stmt1 using @arg00;
a b
2 two
set @arg00=3 ;
set @arg01='three' ;
select a,b FROM t1 where (a,b) in (select 3, 'three');
a b
3 three
select a FROM t1 where (a,b) in (select @arg00,@arg01);
a
3
prepare stmt1 from ' select a FROM t1 where (a,b) in (select ?, ?) ';
execute stmt1 using @arg00, @arg01;
a
3
set @arg00=1 ;
set @arg01='two' ;
set @arg02=2 ;
set @arg03='two' ;
select a, @arg00, b FROM t1 outer_table where
b=@arg01 and a = (select @arg02 from t1 where b = @arg03 ) ;
a @arg00 b
2 1 two
prepare stmt1 from ' select a, ?, b FROM t1 outer_table where
b=? and a = (select ? from t1 where b = ? ) ' ;
execute stmt1 using @arg00, @arg01, @arg02, @arg03 ;
a ? b
2 1 two
prepare stmt1 from ' select a, b FROM t1 outer_table where
a = (select a from t1 where b = outer_table.b ) ';
execute stmt1 ;
a b
1 one
2 two
3 three
4 four
set @arg00='two' ;
select a, b FROM t1 outer_table where
a = (select a from t1 where b = outer_table.b ) and b=@arg00 ;
a b
2 two
prepare stmt1 from ' select a, b FROM t1 outer_table where
a = (select a from t1 where b = outer_table.b) and b=? ';
execute stmt1 using @arg00;
a b
2 two
set @arg00=2 ;
select a, b FROM t1 outer_table where
a = (select a from t1 where a = @arg00 and b = outer_table.b) and b='two' ;
a b
2 two
prepare stmt1 from ' select a, b FROM t1 outer_table where
a = (select a from t1 where a = ? and b = outer_table.b) and b=''two'' ' ;
execute stmt1 using @arg00;
a b
2 two
set @arg00=2 ;
select a, b FROM t1 outer_table where
a = (select a from t1 where outer_table.a = @arg00 and a=2) and b='two' ;
a b
2 two
prepare stmt1 from ' select a, b FROM t1 outer_table where
a = (select a from t1 where outer_table.a = ? and a=2) and b=''two'' ' ;
execute stmt1 using @arg00;
a b
2 two
set @arg00=1 ;
set @arg01='two' ;
set @arg02=2 ;
set @arg03='two' ;
select a, @arg00, b FROM t1 outer_table where
b=@arg01 and a = (select @arg02 from t1 where outer_table.b = @arg03
and outer_table.a=a ) ;
a @arg00 b
2 1 two
prepare stmt1 from ' select a, ?, b FROM t1 outer_table where
b=? and a = (select ? from t1 where outer_table.b = ?
and outer_table.a=a ) ' ;
execute stmt1 using @arg00, @arg01, @arg02, @arg03 ;
a ? b
2 1 two
set @arg00=1 ;
set @arg01=0 ;
select a, @arg00
from ( select a - @arg00 as a from t1 where a=@arg00 ) as t2
where a=@arg01;
a @arg00
0 1
prepare stmt1 from ' select a, ?
from ( select a - ? as a from t1 where a=? ) as t2
where a=? ';
execute stmt1 using @arg00, @arg00, @arg00, @arg01 ;
a ?
0 1
drop table if exists t2 ;
create table t2 as select * from t_many_col_types;
set @stmt= ' SELECT
(SELECT SUM(c1 + c12 + 0.0) FROM t2
where (t_many_col_types.c2 - 0e-3) = t2.c2
GROUP BY t_many_col_types.c15 LIMIT 1) as scalar_s,
exists (select 1.0e+0 from t2
where t2.c3 * 9.0000000000 = t_many_col_types.c4) as exists_s,
c5 * 4 in (select c6 + 0.3e+1 from t2) as in_s,
(c7 - 4, c8 - 4) in (select c9 + 4.0, c10 + 40e-1 from t2) as in_row_s
FROM t_many_col_types,
(select c25 x, c32 y from t2) tt WHERE x = c25 ' ;
prepare stmt1 from @stmt ;
execute stmt1 ;
Catalog Database Table Table_alias Column Column_alias Name Type Length Max length Is_null Flags Decimals Charsetnr
def scalar_s 5 21 7 Y 32768 4 8
def exists_s 8 1 1 N 32769 0 8
def in_s 8 21 1 Y 32768 0 8
def in_row_s 8 21 1 Y 32768 0 8
scalar_s exists_s in_s in_row_s
2.0000 0 1 0
18.0000 1 0 1
2.0000 0 1 0
18.0000 1 0 1
execute stmt1 ;
scalar_s exists_s in_s in_row_s
2.0000 0 1 0
18.0000 1 0 1
2.0000 0 1 0
18.0000 1 0 1
set @stmt= concat('explain ',@stmt);
prepare stmt1 from @stmt ;
execute stmt1 ;
Catalog Database Table Table_alias Column Column_alias Name Type Length Max length Is_null Flags Decimals Charsetnr
def id 8 3 1 N 32801 0 8
def select_type 253 19 18 N 1 31 63
def table 253 64 16 N 1 31 63
def type 253 10 3 N 1 31 63
def possible_keys 253 4096 0 Y 0 31 63
def key 253 64 0 Y 0 31 63
def key_len 253 4096 0 Y 0 31 63
def ref 253 1024 0 Y 0 31 63
def rows 8 10 1 N 32801 0 8
def Extra 253 255 44 N 1 31 63
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t_many_col_types ALL NULL NULL NULL NULL 2
1 PRIMARY <derived6> ALL NULL NULL NULL NULL 2 Using where
6 DERIVED t2 ALL NULL NULL NULL NULL 2
5 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
4 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where; Using temporary; Using filesort
execute stmt1 ;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t_many_col_types ALL NULL NULL NULL NULL 2
1 PRIMARY <derived6> ALL NULL NULL NULL NULL 2 Using where
6 DERIVED t2 ALL NULL NULL NULL NULL 2
5 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
4 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where; Using temporary; Using filesort
set @stmt= ' SELECT
(SELECT SUM(c1+c12+?) FROM t2 where (t_many_col_types.c2-?)=t2.c2
GROUP BY t_many_col_types.c15 LIMIT 1) as scalar_s,
exists (select ? from t2
where t2.c3*?=t_many_col_types.c4) as exists_s,
c5*? in (select c6+? from t2) as in_s,
(c7-?, c8-?) in (select c9+?, c10+? from t2) as in_row_s
FROM t_many_col_types,
(select c25 x, c32 y from t2) tt WHERE x =c25 ' ;
set @arg00= 0.0 ;
set @arg01= 0e-3 ;
set @arg02= 1.0e+0 ;
set @arg03= 9.0000000000 ;
set @arg04= 4 ;
set @arg05= 0.3e+1 ;
set @arg06= 4 ;
set @arg07= 4 ;
set @arg08= 4.0 ;
set @arg09= 40e-1 ;
prepare stmt1 from @stmt ;
execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,
@arg07, @arg08, @arg09 ;
Catalog Database Table Table_alias Column Column_alias Name Type Length Max length Is_null Flags Decimals Charsetnr
def scalar_s 5 23 2 Y 32768 31 8
def exists_s 8 1 1 N 32769 0 8
def in_s 8 21 1 Y 32768 0 8
def in_row_s 8 21 1 Y 32768 0 8
scalar_s exists_s in_s in_row_s
2 0 1 0
18 1 0 1
2 0 1 0
18 1 0 1
execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,
@arg07, @arg08, @arg09 ;
scalar_s exists_s in_s in_row_s
2 0 1 0
18 1 0 1
2 0 1 0
18 1 0 1
set @stmt= concat('explain ',@stmt);
prepare stmt1 from @stmt ;
execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,
@arg07, @arg08, @arg09 ;
Catalog Database Table Table_alias Column Column_alias Name Type Length Max length Is_null Flags Decimals Charsetnr
def id 8 3 1 N 32801 0 8
def select_type 253 19 18 N 1 31 63
def table 253 64 16 N 1 31 63
def type 253 10 3 N 1 31 63
def possible_keys 253 4096 0 Y 0 31 63
def key 253 64 0 Y 0 31 63
def key_len 253 4096 0 Y 0 31 63
def ref 253 1024 0 Y 0 31 63
def rows 8 10 1 N 32801 0 8
def Extra 253 255 44 N 1 31 63
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t_many_col_types ALL NULL NULL NULL NULL 2
1 PRIMARY <derived6> ALL NULL NULL NULL NULL 2 Using where
6 DERIVED t2 ALL NULL NULL NULL NULL 2
5 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
4 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where; Using temporary; Using filesort
execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,
@arg07, @arg08, @arg09 ;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t_many_col_types ALL NULL NULL NULL NULL 2
1 PRIMARY <derived6> ALL NULL NULL NULL NULL 2 Using where
6 DERIVED t2 ALL NULL NULL NULL NULL 2
5 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
4 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where; Using temporary; Using filesort
drop table t2 ;
test_sequence
------ union tests ------
prepare stmt1 from ' select a FROM t1 where a=1
union distinct
select a FROM t1 where a=1 ';
execute stmt1 ;
a
1
execute stmt1 ;
a
1
prepare stmt1 from ' select a FROM t1 where a=1
union all
select a FROM t1 where a=1 ';
execute stmt1 ;
a
1
1
set @arg00=1 ;
select @arg00 FROM t1 where a=1
union distinct
select 1 FROM t1 where a=1;
@arg00
1
prepare stmt1 from ' select ? FROM t1 where a=1
union distinct
select 1 FROM t1 where a=1 ' ;
execute stmt1 using @arg00;
?
1
set @arg00=1 ;
select 1 FROM t1 where a=1
union distinct
select @arg00 FROM t1 where a=1;
1
1
prepare stmt1 from ' select 1 FROM t1 where a=1
union distinct
select ? FROM t1 where a=1 ' ;
execute stmt1 using @arg00;
1
1
set @arg00='a' ;
select @arg00 FROM t1 where a=1
union distinct
select @arg00 FROM t1 where a=1;
@arg00
a
prepare stmt1 from ' select ? FROM t1 where a=1
union distinct
select ? FROM t1 where a=1 ';
execute stmt1 using @arg00, @arg00;
?
a
prepare stmt1 from ' select ?
union distinct
select ? ';
execute stmt1 using @arg00, @arg00;
?
a
set @arg00='a' ;
set @arg01=1 ;
set @arg02='a' ;
set @arg03=2 ;
select @arg00 FROM t1 where a=@arg01
union distinct
select @arg02 FROM t1 where a=@arg03;
@arg00
a
prepare stmt1 from ' select ? FROM t1 where a=?
union distinct
select ? FROM t1 where a=? ' ;
execute stmt1 using @arg00, @arg01, @arg02, @arg03;
?
a
set @arg00=1 ;
prepare stmt1 from ' select sum(a) + 200, ? from t1
union distinct
select sum(a) + 200, 1 from t1
group by b ' ;
execute stmt1 using @arg00;
sum(a) + 200 ?
210 1
204 1
201 1
203 1
202 1
set @Oporto='Oporto' ;
set @Lisboa='Lisboa' ;
set @0=0 ;
set @1=1 ;
set @2=2 ;
set @3=3 ;
set @4=4 ;
select @Oporto,@Lisboa,@0,@1,@2,@3,@4 ;
@Oporto @Lisboa @0 @1 @2 @3 @4
Oporto Lisboa 0 1 2 3 4
select sum(a) + 200 as the_sum, @Oporto as the_town from t1
group by b
union distinct
select sum(a) + 200, @Lisboa from t1
group by b ;
the_sum the_town
204 Oporto
201 Oporto
203 Oporto
202 Oporto
204 Lisboa
201 Lisboa
203 Lisboa
202 Lisboa
prepare stmt1 from ' select sum(a) + 200 as the_sum, ? as the_town from t1
group by b
union distinct
select sum(a) + 200, ? from t1
group by b ' ;
execute stmt1 using @Oporto, @Lisboa;
the_sum the_town
204 Oporto
201 Oporto
203 Oporto
202 Oporto
204 Lisboa
201 Lisboa
203 Lisboa
202 Lisboa
select sum(a) + 200 as the_sum, @Oporto as the_town from t1
where a > @1
group by b
union distinct
select sum(a) + 200, @Lisboa from t1
where a > @2
group by b ;
the_sum the_town
204 Oporto
203 Oporto
202 Oporto
204 Lisboa
203 Lisboa
prepare stmt1 from ' select sum(a) + 200 as the_sum, ? as the_town from t1
where a > ?
group by b
union distinct
select sum(a) + 200, ? from t1
where a > ?
group by b ' ;
execute stmt1 using @Oporto, @1, @Lisboa, @2;
the_sum the_town
204 Oporto
203 Oporto
202 Oporto
204 Lisboa
203 Lisboa
select sum(a) + 200 as the_sum, @Oporto as the_town from t1
where a > @1
group by b
having avg(a) > @2
union distinct
select sum(a) + 200, @Lisboa from t1
where a > @2
group by b
having avg(a) > @3;
the_sum the_town
204 Oporto
203 Oporto
204 Lisboa
prepare stmt1 from ' select sum(a) + 200 as the_sum, ? as the_town from t1
where a > ?
group by b
having avg(a) > ?
union distinct
select sum(a) + 200, ? from t1
where a > ?
group by b
having avg(a) > ? ';
execute stmt1 using @Oporto, @1, @2, @Lisboa, @2, @3;
the_sum the_town
204 Oporto
203 Oporto
204 Lisboa
test_sequence
------ explain select tests ------
prepare stmt1 from ' select * from t_many_col_types ' ;
execute stmt1;
Catalog Database Table Table_alias Column Column_alias Name Type Length Max length Is_null Flags Decimals Charsetnr
def test t_many_col_types t_many_col_types c1 c1 1 4 1 N 49155 0 63
def test t_many_col_types t_many_col_types c2 c2 2 6 1 Y 32768 0 63
def test t_many_col_types t_many_col_types c3 c3 9 9 1 Y 32768 0 63
def test t_many_col_types t_many_col_types c4 c4 3 11 1 Y 32768 0 63
def test t_many_col_types t_many_col_types c5 c5 3 11 1 Y 32768 0 63
def test t_many_col_types t_many_col_types c6 c6 8 20 1 Y 32768 0 63
def test t_many_col_types t_many_col_types c7 c7 4 12 1 Y 32768 31 63
def test t_many_col_types t_many_col_types c8 c8 5 22 1 Y 32768 31 63
def test t_many_col_types t_many_col_types c9 c9 5 22 1 Y 32768 31 63
def test t_many_col_types t_many_col_types c10 c10 5 22 1 Y 32768 31 63
def test t_many_col_types t_many_col_types c11 c11 0 9 6 Y 32768 4 63
def test t_many_col_types t_many_col_types c12 c12 0 10 6 Y 32768 4 63
def test t_many_col_types t_many_col_types c13 c13 10 10 10 Y 128 0 63
def test t_many_col_types t_many_col_types c14 c14 12 19 19 Y 128 0 63
def test t_many_col_types t_many_col_types c15 c15 7 19 19 N 1249 0 63
def test t_many_col_types t_many_col_types c16 c16 11 8 8 Y 128 0 63
def test t_many_col_types t_many_col_types c17 c17 13 4 4 Y 32864 0 63
def test t_many_col_types t_many_col_types c18 c18 1 1 1 Y 32768 0 63
def test t_many_col_types t_many_col_types c19 c19 1 1 1 Y 32768 0 63
def test t_many_col_types t_many_col_types c20 c20 254 1 1 Y 0 0 8
def test t_many_col_types t_many_col_types c21 c21 253 10 10 Y 0 0 8
def test t_many_col_types t_many_col_types c22 c22 253 30 30 Y 0 0 8
def test t_many_col_types t_many_col_types c23 c23 252 255 8 Y 144 0 63
def test t_many_col_types t_many_col_types c24 c24 252 255 8 Y 16 0 8
def test t_many_col_types t_many_col_types c25 c25 252 65535 4 Y 144 0 63
def test t_many_col_types t_many_col_types c26 c26 252 65535 4 Y 16 0 8
def test t_many_col_types t_many_col_types c27 c27 252 16777215 10 Y 144 0 63
def test t_many_col_types t_many_col_types c28 c28 252 16777215 10 Y 16 0 8
def test t_many_col_types t_many_col_types c29 c29 252 16777215 8 Y 144 0 63
def test t_many_col_types t_many_col_types c30 c30 252 16777215 8 Y 16 0 8
def test t_many_col_types t_many_col_types c31 c31 254 5 3 Y 256 0 8
def test t_many_col_types t_many_col_types c32 c32 254 24 7 Y 2048 0 8
c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 c11 c12 c13 c14 c15 c16 c17 c18 c19 c20 c21 c22 c23 c24 c25 c26 c27 c28 c29 c30 c31 c32
1 1 1 1 1 1 1 1 1 1 1.0000 1.0000 2004-02-29 2004-02-29 11:11:11 2004-02-29 11:11:11 11:11:11 2004 1 1 a 123456789a 123456789a123456789b123456789c tinyblob tinytext blob text mediumblob mediumtext longblob longtext one monday
9 9 9 9 9 9 9 9 9 9 9.0000 9.0000 2004-02-29 2004-02-29 11:11:11 2004-02-29 11:11:11 11:11:11 2004 1 0 a 123456789a 123456789a123456789b123456789c tinyblob tinytext blob text mediumblob mediumtext longblob longtext two tuesday
test_sequence
------ delete tests ------
delete from t1 ;
insert into t1 values (1,'one');
insert into t1 values (2,'two');
insert into t1 values (3,'three');
insert into t1 values (4,'four');
commit ;
delete from t_many_col_types ;
insert into t_many_col_types
set c1= 1, c2= 1, c3= 1, c4= 1, c5= 1, c6= 1, c7= 1, c8= 1, c9= 1,
c10= 1, c11= 1, c12 = 1,
c13= '2004-02-29', c14= '2004-02-29 11:11:11', c15= '2004-02-29 11:11:11',
c16= '11:11:11', c17= '2004',
c18= 1, c19=true, c20= 'a', c21= '123456789a',
c22= '123456789a123456789b123456789c', c23= 'tinyblob', c24= 'tinytext',
c25= 'blob', c26= 'text', c27= 'mediumblob', c28= 'mediumtext',
c29= 'longblob', c30= 'longtext', c31='one', c32= 'monday';
insert into t_many_col_types
set c1= 9, c2= 9, c3= 9, c4= 9, c5= 9, c6= 9, c7= 9, c8= 9, c9= 9,
c10= 9, c11= 9, c12 = 9,
c13= '2004-02-29', c14= '2004-02-29 11:11:11', c15= '2004-02-29 11:11:11',
c16= '11:11:11', c17= '2004',
c18= 1, c19=false, c20= 'a', c21= '123456789a',
c22= '123456789a123456789b123456789c', c23= 'tinyblob', c24= 'tinytext',
c25= 'blob', c26= 'text', c27= 'mediumblob', c28= 'mediumtext',
c29= 'longblob', c30= 'longtext', c31='two', c32= 'tuesday';
prepare stmt1 from 'delete from t1 where a=2' ;
execute stmt1;
select a,b from t1 where a=2;
a b
execute stmt1;
insert into t1 values(0,NULL);
set @arg00=NULL;
prepare stmt1 from 'delete from t1 where b=?' ;
execute stmt1 using @arg00;
select a,b from t1 where b is NULL ;
a b
0 NULL
set @arg00='one';
execute stmt1 using @arg00;
select a,b from t1 where b=@arg00;
a b
prepare stmt1 from 'truncate table t1' ;
test_sequence
------ update tests ------
delete from t1 ;
insert into t1 values (1,'one');
insert into t1 values (2,'two');
insert into t1 values (3,'three');
insert into t1 values (4,'four');
commit ;
delete from t_many_col_types ;
insert into t_many_col_types
set c1= 1, c2= 1, c3= 1, c4= 1, c5= 1, c6= 1, c7= 1, c8= 1, c9= 1,
c10= 1, c11= 1, c12 = 1,
c13= '2004-02-29', c14= '2004-02-29 11:11:11', c15= '2004-02-29 11:11:11',
c16= '11:11:11', c17= '2004',
c18= 1, c19=true, c20= 'a', c21= '123456789a',
c22= '123456789a123456789b123456789c', c23= 'tinyblob', c24= 'tinytext',
c25= 'blob', c26= 'text', c27= 'mediumblob', c28= 'mediumtext',
c29= 'longblob', c30= 'longtext', c31='one', c32= 'monday';
insert into t_many_col_types
set c1= 9, c2= 9, c3= 9, c4= 9, c5= 9, c6= 9, c7= 9, c8= 9, c9= 9,
c10= 9, c11= 9, c12 = 9,
c13= '2004-02-29', c14= '2004-02-29 11:11:11', c15= '2004-02-29 11:11:11',
c16= '11:11:11', c17= '2004',
c18= 1, c19=false, c20= 'a', c21= '123456789a',
c22= '123456789a123456789b123456789c', c23= 'tinyblob', c24= 'tinytext',
c25= 'blob', c26= 'text', c27= 'mediumblob', c28= 'mediumtext',
c29= 'longblob', c30= 'longtext', c31='two', c32= 'tuesday';
prepare stmt1 from 'update t1 set b=''a=two'' where a=2' ;
execute stmt1;
select a,b from t1 where a=2;
a b
2 a=two
execute stmt1;
select a,b from t1 where a=2;
a b
2 a=two
set @arg00=NULL;
prepare stmt1 from 'update t1 set b=? where a=2' ;
execute stmt1 using @arg00;
select a,b from t1 where a=2;
a b
2 NULL
set @arg00='two';
execute stmt1 using @arg00;
select a,b from t1 where a=2;
a b
2 two
set @arg00=2;
prepare stmt1 from 'update t1 set b=NULL where a=?' ;
execute stmt1 using @arg00;
select a,b from t1 where a=@arg00;
a b
2 NULL
update t1 set b='two' where a=@arg00;
set @arg00=2000;
execute stmt1 using @arg00;
select a,b from t1 where a=@arg00;
a b
set @arg00=2;
set @arg01=22;
prepare stmt1 from 'update t1 set a=? where a=?' ;
execute stmt1 using @arg00, @arg00;
select a,b from t1 where a=@arg00;
a b
2 two
execute stmt1 using @arg01, @arg00;
select a,b from t1 where a=@arg01;
a b
22 two
execute stmt1 using @arg00, @arg01;
select a,b from t1 where a=@arg00;
a b
2 two
set @arg00=NULL;
set @arg01=2;
execute stmt1 using @arg00, @arg01;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select a,b from t1;
a b
1 one
0 two
3 three
4 four
set @arg00=0;
execute stmt1 using @arg01, @arg00;
select a,b from t1;
a b
1 one
2 two
3 three
4 four
set @arg00=23;
set @arg01='two';
set @arg02=2;
set @arg03='two';
set @arg04=2;
drop table if exists t2;
create table t2 as select a,b from t1 ;
prepare stmt1 from 'update t1 set a=? where b=?
and a in (select ? from t2
where b = ? or a = ?)';
execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04 ;
select a,b from t1 where a = @arg00 ;
a b
23 two
prepare stmt1 from 'update t1 set a=? where b=?
and a not in (select ? from t2
where b = ? or a = ?)';
execute stmt1 using @arg04, @arg01, @arg02, @arg03, @arg00 ;
select a,b from t1 ;
a b
1 one
2 two
3 three
4 four
drop table t2 ;
set @arg00=1;
prepare stmt1 from 'update t1 set b=''bla''
where a=2
limit 1';
execute stmt1 ;
select a,b from t1 where b = 'bla' ;
a b
2 bla
prepare stmt1 from 'update t1 set b=''bla''
where a=2
limit ?';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?' at line 3
test_sequence
------ insert tests ------
delete from t1 ;
insert into t1 values (1,'one');
insert into t1 values (2,'two');
insert into t1 values (3,'three');
insert into t1 values (4,'four');
commit ;
delete from t_many_col_types ;
insert into t_many_col_types
set c1= 1, c2= 1, c3= 1, c4= 1, c5= 1, c6= 1, c7= 1, c8= 1, c9= 1,
c10= 1, c11= 1, c12 = 1,
c13= '2004-02-29', c14= '2004-02-29 11:11:11', c15= '2004-02-29 11:11:11',
c16= '11:11:11', c17= '2004',
c18= 1, c19=true, c20= 'a', c21= '123456789a',
c22= '123456789a123456789b123456789c', c23= 'tinyblob', c24= 'tinytext',
c25= 'blob', c26= 'text', c27= 'mediumblob', c28= 'mediumtext',
c29= 'longblob', c30= 'longtext', c31='one', c32= 'monday';
insert into t_many_col_types
set c1= 9, c2= 9, c3= 9, c4= 9, c5= 9, c6= 9, c7= 9, c8= 9, c9= 9,
c10= 9, c11= 9, c12 = 9,
c13= '2004-02-29', c14= '2004-02-29 11:11:11', c15= '2004-02-29 11:11:11',
c16= '11:11:11', c17= '2004',
c18= 1, c19=false, c20= 'a', c21= '123456789a',
c22= '123456789a123456789b123456789c', c23= 'tinyblob', c24= 'tinytext',
c25= 'blob', c26= 'text', c27= 'mediumblob', c28= 'mediumtext',
c29= 'longblob', c30= 'longtext', c31='two', c32= 'tuesday';
prepare stmt1 from 'insert into t1 values(5, ''five'' )';
execute stmt1;
select a,b from t1 where a = 5;
a b
5 five
set @arg00='six' ;
prepare stmt1 from 'insert into t1 values(6, ? )';
execute stmt1 using @arg00;
select a,b from t1 where b = @arg00;
a b
6 six
execute stmt1 using @arg00;
ERROR 23000: Duplicate entry '6' for key 1
set @arg00=NULL ;
prepare stmt1 from 'insert into t1 values(0, ? )';
execute stmt1 using @arg00;
select a,b from t1 where b is NULL;
a b
0 NULL
set @arg00=8 ;
set @arg01='eight' ;
prepare stmt1 from 'insert into t1 values(?, ? )';
execute stmt1 using @arg00, @arg01 ;
select a,b from t1 where b = @arg01;
a b
8 eight
set @arg00=81 ;
set @arg01='8-1' ;
set @arg02=82 ;
set @arg03='8-2' ;
prepare stmt1 from 'insert into t1 values(?,?),(?,?)';
execute stmt1 using @arg00, @arg01, @arg02, @arg03 ;
select a,b from t1 where a in (@arg00,@arg02) ;
a b
81 8-1
82 8-2
set @arg00=9 ;
set @arg01='nine' ;
prepare stmt1 from 'insert into t1 set a=?, b=? ';
execute stmt1 using @arg00, @arg01 ;
select a,b from t1 where a = @arg00 ;
a b
9 nine
set @arg00=6 ;
set @arg01=1 ;
prepare stmt1 from 'insert into t1 set a=?, b=''sechs''
on duplicate key update a=a + ?, b=concat(b,''modified'') ';
execute stmt1 using @arg00, @arg01;
select * from t1;
a b
1 one
2 two
3 three
4 four
5 five
7 sixmodified
0 NULL
8 eight
81 8-1
82 8-2
9 nine
set @arg00=81 ;
set @arg01=1 ;
execute stmt1 using @arg00, @arg01;
ERROR 23000: Duplicate entry '82' for key 1
set @1000=1000 ;
set @x1000_2="x1000_2" ;
set @x1000_3="x1000_3" ;
set @x1000="x1000" ;
set @1100=1100 ;
set @x1100="x1100" ;
set @100=100 ;
set @updated="updated" ;
insert into t1 values(1000,'x1000_1') ;
insert into t1 values(@1000,@x1000_2),(@1000,@x1000_3)
on duplicate key update a = a + @100, b = concat(b,@updated) ;
select a,b from t1 where a >= 1000 ;
a b
1000 x1000_3
1100 x1000_1updated
delete from t1 where a >= 1000 ;
insert into t1 values(1000,'x1000_1') ;
prepare stmt1 from ' insert into t1 values(?,?),(?,?)
on duplicate key update a = a + ?, b = concat(b,?) ';
execute stmt1 using @1000, @x1000_2, @1000, @x1000_3, @100, @updated ;
select a,b from t1 where a >= 1000 ;
a b
1000 x1000_3
1100 x1000_1updated
delete from t1 where a >= 1000 ;
insert into t1 values(1000,'x1000_1') ;
execute stmt1 using @1000, @x1000_2, @1100, @x1000_3, @100, @updated ;
select a,b from t1 where a >= 1000 ;
a b
1200 x1000_1updatedupdated
delete from t1 where a >= 1000 ;
prepare stmt1 from ' replace into t1 (a,b) select 100, ''hundred'' ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
set @duplicate='duplicate ' ;
set @1000=1000 ;
set @5=5 ;
select a,b from t1 where a < 5 ;
a b
1 one
2 two
3 three
4 four
0 NULL
insert into t1 select a + @1000, concat(@duplicate,b) from t1
where a < @5 ;
affected rows: 5
info: Records: 5 Duplicates: 0 Warnings: 0
select a,b from t1 where a >= 1000 ;
a b
1001 duplicate one
1002 duplicate two
1003 duplicate three
1004 duplicate four
1000 NULL
delete from t1 where a >= 1000 ;
prepare stmt1 from ' insert into t1 select a + ?, concat(?,b) from t1
where a < ? ' ;
execute stmt1 using @1000, @duplicate, @5;
affected rows: 5
info: Records: 5 Duplicates: 0 Warnings: 0
select a,b from t1 where a >= 1000 ;
a b
1004 duplicate four
1003 duplicate three
1002 duplicate two
1001 duplicate one
1000 NULL
delete from t1 where a >= 1000 ;
set @float=1.00;
set @five='five' ;
drop table if exists t2;
create table t2 like t1 ;
insert into t2 (b,a)
select @duplicate, sum(first.a) from t1 first, t1 second
where first.a <> @5 and second.b = first.b
and second.b <> @five
group by second.b
having sum(second.a) > @2
union
select b, a + @100 from t1
where (a,b) in ( select sqrt(a+@1)+CAST(@float AS signed),b
from t1);
affected rows: 8
info: Records: 8 Duplicates: 0 Warnings: 0
select a,b from t2;
a b
81 duplicate
82 duplicate
8 duplicate
4 duplicate
9 duplicate
7 duplicate
3 duplicate
103 three
delete from t2 ;
prepare stmt1 from ' insert into t2 (b,a)
select ?, sum(first.a)
from t1 first, t1 second
where first.a <> ? and second.b = first.b and second.b <> ?
group by second.b
having sum(second.a) > ?
union
select b, a + ? from t1
where (a,b) in ( select sqrt(a+?)+CAST(? AS signed),b
from t1 ) ' ;
execute stmt1 using @duplicate, @5, @five, @2, @100, @1, @float ;
affected rows: 8
info: Records: 8 Duplicates: 0 Warnings: 0
select a,b from t2;
a b
81 duplicate
82 duplicate
8 duplicate
4 duplicate
9 duplicate
7 duplicate
3 duplicate
103 three
drop table t2;
drop table t1, t_many_col_types;
|