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
|
drop table if exists t1,t2;
set time_zone="+03:00";
CREATE TABLE t1 (a int, t timestamp);
CREATE TABLE t2 (a int, t datetime);
SET TIMESTAMP=1234;
insert into t1 values(1,NULL);
insert into t1 values(2,"2002-03-03");
SET TIMESTAMP=1235;
insert into t1 values(3,NULL);
SET TIMESTAMP=1236;
insert into t1 (a) values(4);
insert into t2 values(5,"2002-03-04"),(6,NULL),(7,"2002-03-05"),(8,"00-00-00");
SET TIMESTAMP=1237;
insert into t1 select * from t2;
SET TIMESTAMP=1238;
insert into t1 (a) select a+1 from t2 where a=8;
select * from t1;
a t
1 1970-01-01 03:20:34
2 2002-03-03 00:00:00
3 1970-01-01 03:20:35
4 1970-01-01 03:20:36
5 2002-03-04 00:00:00
6 1970-01-01 03:20:37
7 2002-03-05 00:00:00
8 0000-00-00 00:00:00
9 1970-01-01 03:20:38
drop table t1,t2;
SET TIMESTAMP=1234;
CREATE TABLE t1 (value TEXT NOT NULL, id VARCHAR(32) NOT NULL, stamp timestamp, PRIMARY KEY (id));
INSERT INTO t1 VALUES ("my value", "myKey","1999-04-02 00:00:00");
SELECT stamp FROM t1 WHERE id="myKey";
stamp
1999-04-02 00:00:00
UPDATE t1 SET value="my value" WHERE id="myKey";
SELECT stamp FROM t1 WHERE id="myKey";
stamp
1999-04-02 00:00:00
UPDATE t1 SET id="myKey" WHERE value="my value";
SELECT stamp FROM t1 WHERE id="myKey";
stamp
1999-04-02 00:00:00
drop table t1;
create table t1 (a timestamp);
insert into t1 values (now());
select date_format(a,"%Y %y"),year(a),year(now()) from t1;
date_format(a,"%Y %y") year(a) year(now())
1970 70 1970 1970
drop table t1;
create table t1 (ix timestamp);
insert into t1 values (19991101000000),(19990102030405),(19990630232922),(19990601000000),(19990930232922),(19990531232922),(19990501000000),(19991101000000),(19990501000000);
select ix+0 from t1;
ix+0
19991101000000
19990102030405
19990630232922
19990601000000
19990930232922
19990531232922
19990501000000
19991101000000
19990501000000
truncate table t1;
insert into t1 values ("19991101000000"),("19990102030405"),("19990630232922"),("19990601000000");
select ix+0 from t1;
ix+0
19991101000000
19990102030405
19990630232922
19990601000000
drop table t1;
CREATE TABLE t1 (date date, date_time datetime, time_stamp timestamp);
INSERT INTO t1 VALUES ("1998-12-31","1998-12-31 23:59:59",19981231235959);
INSERT INTO t1 VALUES ("1999-01-01","1999-01-01 00:00:00",19990101000000);
INSERT INTO t1 VALUES ("1999-09-09","1999-09-09 23:59:59",19990909235959);
INSERT INTO t1 VALUES ("2000-01-01","2000-01-01 00:00:00",20000101000000);
INSERT INTO t1 VALUES ("2000-02-28","2000-02-28 00:00:00",20000228000000);
INSERT INTO t1 VALUES ("2000-02-29","2000-02-29 00:00:00",20000229000000);
INSERT INTO t1 VALUES ("2000-03-01","2000-03-01 00:00:00",20000301000000);
INSERT INTO t1 VALUES ("2000-12-31","2000-12-31 23:59:59",20001231235959);
INSERT INTO t1 VALUES ("2001-01-01","2001-01-01 00:00:00",20010101000000);
INSERT INTO t1 VALUES ("2004-12-31","2004-12-31 23:59:59",20041231235959);
INSERT INTO t1 VALUES ("2005-01-01","2005-01-01 00:00:00",20050101000000);
INSERT INTO t1 VALUES ("2030-01-01","2030-01-01 00:00:00",20300101000000);
SELECT * FROM t1;
date date_time time_stamp
1998-12-31 1998-12-31 23:59:59 1998-12-31 23:59:59
1999-01-01 1999-01-01 00:00:00 1999-01-01 00:00:00
1999-09-09 1999-09-09 23:59:59 1999-09-09 23:59:59
2000-01-01 2000-01-01 00:00:00 2000-01-01 00:00:00
2000-02-28 2000-02-28 00:00:00 2000-02-28 00:00:00
2000-02-29 2000-02-29 00:00:00 2000-02-29 00:00:00
2000-03-01 2000-03-01 00:00:00 2000-03-01 00:00:00
2000-12-31 2000-12-31 23:59:59 2000-12-31 23:59:59
2001-01-01 2001-01-01 00:00:00 2001-01-01 00:00:00
2004-12-31 2004-12-31 23:59:59 2004-12-31 23:59:59
2005-01-01 2005-01-01 00:00:00 2005-01-01 00:00:00
2030-01-01 2030-01-01 00:00:00 2030-01-01 00:00:00
drop table t1;
create table t1 (ix timestamp);
insert into t1 values (0),(20030101010160),(20030101016001),(20030101240101),(20030132010101),(20031301010101),(20031200000000),(20030000000000);
Warnings:
Warning 1265 Data truncated for column 'ix' at row 2
Warning 1265 Data truncated for column 'ix' at row 3
Warning 1265 Data truncated for column 'ix' at row 4
Warning 1265 Data truncated for column 'ix' at row 5
Warning 1265 Data truncated for column 'ix' at row 6
Warning 1265 Data truncated for column 'ix' at row 7
Warning 1265 Data truncated for column 'ix' at row 8
select ix+0 from t1;
ix+0
0
0
0
0
0
0
0
0
truncate table t1;
insert into t1 values ("00000000000000"),("20030101010160"),("20030101016001"),("20030101240101"),("20030132010101"),("20031301010101"),("20031200000000"),("20030000000000");
Warnings:
Warning 1265 Data truncated for column 'ix' at row 2
Warning 1265 Data truncated for column 'ix' at row 3
Warning 1265 Data truncated for column 'ix' at row 4
Warning 1265 Data truncated for column 'ix' at row 5
Warning 1265 Data truncated for column 'ix' at row 6
Warning 1265 Data truncated for column 'ix' at row 7
Warning 1265 Data truncated for column 'ix' at row 8
select ix+0 from t1;
ix+0
0
0
0
0
0
0
0
0
truncate table t1;
insert into t1 values ("0000-00-00 00:00:00 some trailer"),("2003-01-01 00:00:00 some trailer");
Warnings:
Warning 1265 Data truncated for column 'ix' at row 1
Warning 1265 Data truncated for column 'ix' at row 2
select ix+0 from t1;
ix+0
0
20030101000000
drop table t1;
create table t1 (t1 timestamp, t2 timestamp default now());
drop table t1;
create table t1 (t1 timestamp, t2 timestamp on update now());
drop table t1;
create table t1 (t1 timestamp, t2 timestamp default now() on update now());
drop table t1;
create table t1 (t1 timestamp default now(), t2 timestamp on update now());
drop table t1;
create table t1 (t1 timestamp on update now(), t2 timestamp default now() on update now());
drop table t1;
create table t1 (t1 timestamp default '2003-01-01 00:00:00', t2 datetime, t3 timestamp);
SET TIMESTAMP=1000000000;
insert into t1 values ();
SET TIMESTAMP=1000000001;
update t1 set t2=now();
SET TIMESTAMP=1000000002;
insert into t1 (t1,t3) values (default, default);
select * from t1;
t1 t2 t3
2003-01-01 00:00:00 2001-09-09 04:46:41 0000-00-00 00:00:00
2003-01-01 00:00:00 NULL 0000-00-00 00:00:00
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`t1` timestamp NOT NULL DEFAULT '2003-01-01 00:00:00',
`t2` datetime DEFAULT NULL,
`t3` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
show columns from t1;
Field Type Null Key Default Extra
t1 timestamp NO 2003-01-01 00:00:00
t2 datetime YES NULL
t3 timestamp NO 0000-00-00 00:00:00
drop table t1;
create table t1 (t1 timestamp default now(), t2 datetime, t3 timestamp);
SET TIMESTAMP=1000000002;
insert into t1 values ();
SET TIMESTAMP=1000000003;
update t1 set t2=now();
SET TIMESTAMP=1000000003;
insert into t1 (t1,t3) values (default, default);
select * from t1;
t1 t2 t3
2001-09-09 04:46:42 2001-09-09 04:46:43 0000-00-00 00:00:00
2001-09-09 04:46:43 NULL 0000-00-00 00:00:00
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`t1` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
`t2` datetime DEFAULT NULL,
`t3` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
show columns from t1;
Field Type Null Key Default Extra
t1 timestamp NO CURRENT_TIMESTAMP
t2 datetime YES NULL
t3 timestamp NO 0000-00-00 00:00:00
drop table t1;
create table t1 (t1 timestamp default '2003-01-01 00:00:00' on update now(), t2 datetime);
SET TIMESTAMP=1000000004;
insert into t1 values ();
select * from t1;
t1 t2
2003-01-01 00:00:00 NULL
SET TIMESTAMP=1000000005;
update t1 set t2=now();
SET TIMESTAMP=1000000005;
insert into t1 (t1) values (default);
select * from t1;
t1 t2
2001-09-09 04:46:45 2001-09-09 04:46:45
2003-01-01 00:00:00 NULL
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`t1` timestamp NOT NULL DEFAULT '2003-01-01 00:00:00' ON UPDATE CURRENT_TIMESTAMP,
`t2` datetime DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
show columns from t1;
Field Type Null Key Default Extra
t1 timestamp NO 2003-01-01 00:00:00 on update CURRENT_TIMESTAMP
t2 datetime YES NULL
drop table t1;
create table t1 (t1 timestamp default now() on update now(), t2 datetime);
SET TIMESTAMP=1000000006;
insert into t1 values ();
select * from t1;
t1 t2
2001-09-09 04:46:46 NULL
SET TIMESTAMP=1000000007;
update t1 set t2=now();
SET TIMESTAMP=1000000007;
insert into t1 (t1) values (default);
select * from t1;
t1 t2
2001-09-09 04:46:47 2001-09-09 04:46:47
2001-09-09 04:46:47 NULL
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`t1` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`t2` datetime DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
show columns from t1;
Field Type Null Key Default Extra
t1 timestamp NO CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP
t2 datetime YES NULL
drop table t1;
create table t1 (t1 timestamp, t2 datetime, t3 timestamp);
SET TIMESTAMP=1000000007;
insert into t1 values ();
select * from t1;
t1 t2 t3
2001-09-09 04:46:47 NULL 0000-00-00 00:00:00
SET TIMESTAMP=1000000008;
update t1 set t2=now();
SET TIMESTAMP=1000000008;
insert into t1 (t1,t3) values (default, default);
select * from t1;
t1 t2 t3
2001-09-09 04:46:48 2001-09-09 04:46:48 0000-00-00 00:00:00
2001-09-09 04:46:48 NULL 0000-00-00 00:00:00
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`t1` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`t2` datetime DEFAULT NULL,
`t3` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
show columns from t1;
Field Type Null Key Default Extra
t1 timestamp NO CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP
t2 datetime YES NULL
t3 timestamp NO 0000-00-00 00:00:00
drop table t1;
create table t1 (t1 timestamp default current_timestamp on update current_timestamp, t2 datetime);
SET TIMESTAMP=1000000009;
insert into t1 values ();
select * from t1;
t1 t2
2001-09-09 04:46:49 NULL
SET TIMESTAMP=1000000010;
update t1 set t2=now();
SET TIMESTAMP=1000000011;
insert into t1 (t1) values (default);
select * from t1;
t1 t2
2001-09-09 04:46:50 2001-09-09 04:46:50
2001-09-09 04:46:51 NULL
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`t1` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`t2` datetime DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
show columns from t1;
Field Type Null Key Default Extra
t1 timestamp NO CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP
t2 datetime YES NULL
truncate table t1;
insert into t1 values ('2004-04-01 00:00:00', '2004-04-01 00:00:00');
SET TIMESTAMP=1000000012;
update t1 set t1= '2004-04-02 00:00:00';
select * from t1;
t1 t2
2004-04-02 00:00:00 2004-04-01 00:00:00
update t1 as ta, t1 as tb set tb.t1= '2004-04-03 00:00:00';
select * from t1;
t1 t2
2004-04-03 00:00:00 2004-04-01 00:00:00
drop table t1;
create table t1 (pk int primary key, t1 timestamp default current_timestamp on update current_timestamp, bulk int);
insert into t1 values (1, '2004-04-01 00:00:00', 10);
SET TIMESTAMP=1000000013;
replace into t1 set pk = 1, bulk= 20;
select * from t1;
pk t1 bulk
1 2001-09-09 04:46:53 20
drop table t1;
create table t1 (pk int primary key, t1 timestamp default '2003-01-01 00:00:00' on update current_timestamp, bulk int);
insert into t1 values (1, '2004-04-01 00:00:00', 10);
SET TIMESTAMP=1000000014;
replace into t1 set pk = 1, bulk= 20;
select * from t1;
pk t1 bulk
1 2003-01-01 00:00:00 20
drop table t1;
create table t1 (pk int primary key, t1 timestamp default current_timestamp, bulk int);
insert into t1 values (1, '2004-04-01 00:00:00', 10);
SET TIMESTAMP=1000000015;
replace into t1 set pk = 1, bulk= 20;
select * from t1;
pk t1 bulk
1 2001-09-09 04:46:55 20
drop table t1;
create table t1 (t1 timestamp default current_timestamp on update current_timestamp);
insert into t1 values ('2004-04-01 00:00:00');
SET TIMESTAMP=1000000016;
alter table t1 add i int default 10;
select * from t1;
t1 i
2004-04-01 00:00:00 10
drop table t1;
create table t1 (a timestamp null, b timestamp null);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` timestamp NULL DEFAULT NULL,
`b` timestamp NULL DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (NULL, NULL);
SET TIMESTAMP=1000000017;
insert into t1 values ();
select * from t1;
a b
NULL NULL
NULL NULL
drop table t1;
create table t1 (a timestamp null default current_timestamp on update current_timestamp, b timestamp null);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`b` timestamp NULL DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (NULL, NULL);
SET TIMESTAMP=1000000018;
insert into t1 values ();
select * from t1;
a b
NULL NULL
2001-09-09 04:46:58 NULL
drop table t1;
create table t1 (a timestamp null default null, b timestamp null default '2003-01-01 00:00:00');
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` timestamp NULL DEFAULT NULL,
`b` timestamp NULL DEFAULT '2003-01-01 00:00:00'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (NULL, NULL);
insert into t1 values (DEFAULT, DEFAULT);
select * from t1;
a b
NULL NULL
NULL 2003-01-01 00:00:00
drop table t1;
create table t1 (a bigint, b bigint);
insert into t1 values (NULL, NULL), (20030101000000, 20030102000000);
set timestamp=1000000019;
alter table t1 modify a timestamp, modify b timestamp;
select * from t1;
a b
2001-09-09 04:46:59 2001-09-09 04:46:59
2003-01-01 00:00:00 2003-01-02 00:00:00
drop table t1;
create table t1 (a char(2), t timestamp);
insert into t1 values ('a', '2004-01-01 00:00:00'), ('a', '2004-01-01 01:00:00'),
('b', '2004-02-01 00:00:00');
select max(t) from t1 group by a;
max(t)
2004-01-01 01:00:00
2004-02-01 00:00:00
drop table t1;
set sql_mode='maxdb';
create table t1 (a timestamp, b timestamp(5));
show create table t1;
Table Create Table
t1 CREATE TABLE "t1" (
"a" datetime DEFAULT NULL,
"b" datetime(5) DEFAULT NULL
)
set sql_mode='';
drop table t1;
create table t1 (a int auto_increment primary key, b int, c timestamp);
insert into t1 (a, b, c) values (1, 0, '2001-01-01 01:01:01'),
(2, 0, '2002-02-02 02:02:02'), (3, 0, '2003-03-03 03:03:03');
select * from t1;
a b c
1 0 2001-01-01 01:01:01
2 0 2002-02-02 02:02:02
3 0 2003-03-03 03:03:03
update t1 set b = 2, c = c where a = 2;
select * from t1;
a b c
1 0 2001-01-01 01:01:01
2 2 2002-02-02 02:02:02
3 0 2003-03-03 03:03:03
insert into t1 (a) values (4);
select * from t1;
a b c
1 0 2001-01-01 01:01:01
2 2 2002-02-02 02:02:02
3 0 2003-03-03 03:03:03
4 NULL 2001-09-09 04:46:59
update t1 set c = '2004-04-04 04:04:04' where a = 4;
select * from t1;
a b c
1 0 2001-01-01 01:01:01
2 2 2002-02-02 02:02:02
3 0 2003-03-03 03:03:03
4 NULL 2004-04-04 04:04:04
insert into t1 (a) values (3), (5) on duplicate key update b = 3, c = c;
select * from t1;
a b c
1 0 2001-01-01 01:01:01
2 2 2002-02-02 02:02:02
3 3 2003-03-03 03:03:03
4 NULL 2004-04-04 04:04:04
5 NULL 2001-09-09 04:46:59
insert into t1 (a, c) values (4, '2004-04-04 00:00:00'),
(6, '2006-06-06 06:06:06') on duplicate key update b = 4;
select * from t1;
a b c
1 0 2001-01-01 01:01:01
2 2 2002-02-02 02:02:02
3 3 2003-03-03 03:03:03
4 4 2001-09-09 04:46:59
5 NULL 2001-09-09 04:46:59
6 NULL 2006-06-06 06:06:06
drop table t1;
End of 4.1 tests
set time_zone= @@global.time_zone;
CREATE TABLE t1 (
`id` int(11) NOT NULL auto_increment,
`username` varchar(80) NOT NULL default '',
`posted_on` timestamp NOT NULL default '0000-00-00 00:00:00',
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1;
show fields from t1;
Field Type Null Key Default Extra
id int(11) NO PRI NULL auto_increment
username varchar(80) NO
posted_on timestamp NO 0000-00-00 00:00:00
select is_nullable from INFORMATION_SCHEMA.COLUMNS where TABLE_NAME='t1' and COLUMN_NAME='posted_on';
is_nullable
NO
drop table t1;
CREATE TABLE t1 ( f1 INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
f2 TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
f3 TIMESTAMP);
INSERT INTO t1 (f2,f3) VALUES (NOW(), "0000-00-00 00:00:00");
INSERT INTO t1 (f2,f3) VALUES (NOW(), NULL);
INSERT INTO t1 (f2,f3) VALUES (NOW(), ASCII(NULL));
INSERT INTO t1 (f2,f3) VALUES (NOW(), FROM_UNIXTIME('9999999999'));
INSERT INTO t1 (f2,f3) VALUES (NOW(), TIME(NULL));
UPDATE t1 SET f2=NOW(), f3=FROM_UNIXTIME('9999999999') WHERE f1=1;
SELECT f1,f2-f3 FROM t1;
f1 f2-f3
1 0
2 0
3 0
4 0
5 0
DROP TABLE t1;
End of 5.0 tests
#
# Bug #55779: select does not work properly in mysql server
# Version "5.1.42 SUSE MySQL RPM"
#
CREATE TABLE t1 (a TIMESTAMP, KEY (a));
INSERT INTO t1 VALUES ('2000-01-01 00:00:00'), ('2000-01-01 00:00:00'),
('2000-01-01 00:00:01'), ('2000-01-01 00:00:01');
SELECT a FROM t1 WHERE a >= 20000101000000;
a
2000-01-01 00:00:00
2000-01-01 00:00:00
2000-01-01 00:00:01
2000-01-01 00:00:01
SELECT a FROM t1 WHERE a >= '20000101000000';
a
2000-01-01 00:00:00
2000-01-01 00:00:00
2000-01-01 00:00:01
2000-01-01 00:00:01
DROP TABLE t1;
#
# Bug#50774: failed to get the correct resultset when timestamp values
# are appended with .0
#
CREATE TABLE t1 ( a TIMESTAMP, KEY ( a ) );
INSERT INTO t1 VALUES( '2010-02-01 09:31:01' );
INSERT INTO t1 VALUES( '2010-02-01 09:31:02' );
INSERT INTO t1 VALUES( '2010-02-01 09:31:03' );
INSERT INTO t1 VALUES( '2010-02-01 09:31:04' );
SELECT * FROM t1 WHERE a >= '2010-02-01 09:31:02.0';
a
2010-02-01 09:31:02
2010-02-01 09:31:03
2010-02-01 09:31:04
SELECT * FROM t1 WHERE '2010-02-01 09:31:02.0' <= a;
a
2010-02-01 09:31:02
2010-02-01 09:31:03
2010-02-01 09:31:04
SELECT * FROM t1 WHERE a <= '2010-02-01 09:31:02.0';
a
2010-02-01 09:31:01
2010-02-01 09:31:02
SELECT * FROM t1 WHERE '2010-02-01 09:31:02.0' >= a;
a
2010-02-01 09:31:01
2010-02-01 09:31:02
EXPLAIN
SELECT * FROM t1 WHERE a >= '2010-02-01 09:31:02.0';
id select_type table type possible_keys key key_len ref rows Extra
x x x range x x x x x x
SELECT * FROM t1 WHERE a >= '2010-02-01 09:31:02.0';
a
2010-02-01 09:31:02
2010-02-01 09:31:03
2010-02-01 09:31:04
CREATE TABLE t2 ( a TIMESTAMP, KEY ( a DESC ) );
INSERT INTO t2 VALUES( '2010-02-01 09:31:01' );
INSERT INTO t2 VALUES( '2010-02-01 09:31:02' );
INSERT INTO t2 VALUES( '2010-02-01 09:31:03' );
INSERT INTO t2 VALUES( '2010-02-01 09:31:04' );
INSERT INTO t2 VALUES( '2010-02-01 09:31:05' );
INSERT INTO t2 VALUES( '2010-02-01 09:31:06' );
INSERT INTO t2 VALUES( '2010-02-01 09:31:07' );
INSERT INTO t2 VALUES( '2010-02-01 09:31:08' );
INSERT INTO t2 VALUES( '2010-02-01 09:31:09' );
INSERT INTO t2 VALUES( '2010-02-01 09:31:10' );
INSERT INTO t2 VALUES( '2010-02-01 09:31:11' );
# The bug would cause the range optimizer's comparison to use an open
# interval here. This reveals itself only in the number of reads
# performed.
FLUSH STATUS;
EXPLAIN
SELECT * FROM t2 WHERE a < '2010-02-01 09:31:02.0';
id select_type table type possible_keys key key_len ref rows Extra
x x x range x x x x x x
SELECT * FROM t2 WHERE a < '2010-02-01 09:31:02.0';
a
2010-02-01 09:31:01
SHOW STATUS LIKE 'Handler_read_next';
Variable_name Value
Handler_read_next 1
DROP TABLE t1, t2;
End of 5.1 tests
#
# lp:923429 Crash in decimal_cmp on using UNIX_TIMESTAMP with a wrongly formatted timestamp
#
SELECT UNIX_TIMESTAMP('abc') > 0;
UNIX_TIMESTAMP('abc') > 0
NULL
Warnings:
Warning 1292 Incorrect datetime value: 'abc'
SELECT UNIX_TIMESTAMP('abc');
UNIX_TIMESTAMP('abc')
NULL
Warnings:
Warning 1292 Incorrect datetime value: 'abc'
Bug#50888 valgrind warnings in Field_timestamp::val_str
SET TIMESTAMP=0;
CREATE TABLE t1(a timestamp);
INSERT INTO t1 VALUES ('2008-02-23 09:23:45'), ('2010-03-05 11:08:02');
FLUSH TABLES t1;
SELECT MAX(a) FROM t1;
MAX(a)
2010-03-05 11:08:02
SELECT a FROM t1;
a
2008-02-23 09:23:45
2010-03-05 11:08:02
DROP TABLE t1;
End of Bug#50888
#
# Bug59330: Incorrect result when comparing an aggregate
# function with TIMESTAMP
#
CREATE TABLE t1 (dt DATETIME, ts TIMESTAMP);
INSERT INTO t1 VALUES('2011-01-06 12:34:30', '2011-01-06 12:34:30');
SELECT MAX(dt), MAX(ts) FROM t1;
MAX(dt) MAX(ts)
2011-01-06 12:34:30 2011-01-06 12:34:30
SELECT MAX(ts) < '2010-01-01 00:00:00' FROM t1;
MAX(ts) < '2010-01-01 00:00:00'
0
SELECT MAX(dt) < '2010-01-01 00:00:00' FROM t1;
MAX(dt) < '2010-01-01 00:00:00'
0
SELECT MAX(ts) > '2010-01-01 00:00:00' FROM t1;
MAX(ts) > '2010-01-01 00:00:00'
1
SELECT MAX(dt) > '2010-01-01 00:00:00' FROM t1;
MAX(dt) > '2010-01-01 00:00:00'
1
SELECT MAX(ts) = '2011-01-06 12:34:30' FROM t1;
MAX(ts) = '2011-01-06 12:34:30'
1
SELECT MAX(dt) = '2011-01-06 12:34:30' FROM t1;
MAX(dt) = '2011-01-06 12:34:30'
1
DROP TABLE t1;
#
# MDEV-9413 "datetime >= coalesce(c1(NULL))" doesn't return expected NULL
#
CREATE TABLE t1(c1 TIMESTAMP(6) NULL DEFAULT NULL);
INSERT INTO t1 VALUES(NULL);
SELECT c1, '2016-06-13 20:00:00.000003' >= COALESCE( c1 ) FROM t1;
c1 '2016-06-13 20:00:00.000003' >= COALESCE( c1 )
NULL NULL
DROP TABLE t1;
End of 5.5 tests
#
# MDEV-7254: Assigned expression is evaluated twice when updating column TIMESTAMP NOT NULL
#
SET time_zone='+02:00';
create table t1(value timestamp not null);
set @a:=0;
create function f1 () returns timestamp
begin
set @a = @a + 1;
return NULL;
end//
set timestamp=12340;
insert t1 values (f1());
select @a, value from t1;
@a value
1 1970-01-01 05:25:40
set timestamp=12350;
update t1 set value = f1();
select @a, value from t1;
@a value
2 1970-01-01 05:25:50
drop table t1;
drop function f1;
set timestamp=0;
create table t1(value timestamp null);
set @a:=0;
create function f1 () returns timestamp
begin
set @a = @a + 1;
return NULL;
end//
set timestamp=12340;
insert t1 values (f1());
select @a, value from t1;
@a value
1 NULL
set timestamp=12350;
update t1 set value = f1();
select @a, value from t1;
@a value
2 NULL
drop table t1;
drop function f1;
set timestamp=0;
SET time_zone=DEFAULT;
#
# MDEV-7778 impossible create copy of table, if table contain default value for timestamp field
#
SET sql_mode="NO_ZERO_DATE";
CREATE TABLE t1 (
ts timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE t2 AS SELECT * from t1 LIMIT 0;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`ts` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`ts` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1,t2;
SET sql_mode=DEFAULT;
#
# MDEV-8082 ON UPDATE is not preserved by CREATE TABLE .. SELECT
#
CREATE TABLE t1 (
vc VARCHAR(10) NOT NULL DEFAULT 'test',
ts timestamp NULL DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP
);
CREATE TABLE t2 AS SELECT * FROM t1 LIMIT 0;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`vc` varchar(10) NOT NULL DEFAULT 'test',
`ts` timestamp NULL DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`vc` varchar(10) NOT NULL DEFAULT 'test',
`ts` timestamp NULL DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1,t2;
End of 10.0 tests
|