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
|
DROP TABLE IF EXISTS t1;
SET NAMES latin1;
SET character_set_connection=ucs2;
select 'a' = 'a', 'a' = 'a ', 'a ' = 'a';
'a' = 'a' 'a' = 'a ' 'a ' = 'a'
1 1 1
select 'a\0' = 'a', 'a\0' < 'a', 'a\0' > 'a';
'a\0' = 'a' 'a\0' < 'a' 'a\0' > 'a'
0 1 0
select 'a' = 'a\0', 'a' < 'a\0', 'a' > 'a\0';
'a' = 'a\0' 'a' < 'a\0' 'a' > 'a\0'
0 0 1
select 'a\0' = 'a ', 'a\0' < 'a ', 'a\0' > 'a ';
'a\0' = 'a ' 'a\0' < 'a ' 'a\0' > 'a '
0 1 0
select 'a ' = 'a\0', 'a ' < 'a\0', 'a ' > 'a\0';
'a ' = 'a\0' 'a ' < 'a\0' 'a ' > 'a\0'
0 0 1
select 'a a' > 'a', 'a \0' < 'a';
'a a' > 'a' 'a \0' < 'a'
1 1
select binary 'a a' > 'a', binary 'a \0' > 'a', binary 'a\0' > 'a';
binary 'a a' > 'a' binary 'a \0' > 'a' binary 'a\0' > 'a'
1 1 1
SET CHARACTER SET koi8r;
CREATE TABLE t1 (word VARCHAR(64) CHARACTER SET ucs2, word2 CHAR(64) CHARACTER SET ucs2);
INSERT INTO t1 VALUES (_koi8r'',_koi8r''), (X'2004',X'2004');
SELECT hex(word) FROM t1 ORDER BY word;
hex(word)
0420
2004
SELECT hex(word2) FROM t1 ORDER BY word2;
hex(word2)
0420
2004
DELETE FROM t1;
INSERT INTO t1 VALUES (X'042000200020',X'042000200020'), (X'200400200020', X'200400200020');
SELECT hex(word) FROM t1 ORDER BY word;
hex(word)
042000200020
200400200020
SELECT hex(word2) FROM t1 ORDER BY word2;
hex(word2)
0420
2004
DROP TABLE t1;
SELECT LPAD(_ucs2 X'0420',10,_ucs2 X'0421');
LPAD(_ucs2 X'0420',10,_ucs2 X'0421')
SELECT LPAD(_ucs2 X'0420',10,_ucs2 X'04210422');
LPAD(_ucs2 X'0420',10,_ucs2 X'04210422')
SELECT LPAD(_ucs2 X'0420',10,_ucs2 X'042104220423');
LPAD(_ucs2 X'0420',10,_ucs2 X'042104220423')
SELECT LPAD(_ucs2 X'0420042104220423042404250426042704280429042A042B',10,_ucs2 X'042104220423');
LPAD(_ucs2 X'0420042104220423042404250426042704280429042A042B',10,_ucs2 X'042104220423')
SELECT RPAD(_ucs2 X'0420',10,_ucs2 X'0421');
RPAD(_ucs2 X'0420',10,_ucs2 X'0421')
SELECT RPAD(_ucs2 X'0420',10,_ucs2 X'04210422');
RPAD(_ucs2 X'0420',10,_ucs2 X'04210422')
SELECT RPAD(_ucs2 X'0420',10,_ucs2 X'042104220423');
RPAD(_ucs2 X'0420',10,_ucs2 X'042104220423')
SELECT RPAD(_ucs2 X'0420042104220423042404250426042704280429042A042B',10,_ucs2 X'042104220423');
RPAD(_ucs2 X'0420042104220423042404250426042704280429042A042B',10,_ucs2 X'042104220423')
CREATE TABLE t1 SELECT
LPAD(_ucs2 X'0420',10,_ucs2 X'0421') l,
RPAD(_ucs2 X'0420',10,_ucs2 X'0421') r;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`l` varchar(10) character set ucs2 NOT NULL default '',
`r` varchar(10) character set ucs2 NOT NULL default ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
create table t2(f1 Char(30));
insert into t2 values ("103000"), ("22720000"), ("3401200"), ("78000");
select lpad(f1, 12, "-o-/") from t2;
lpad(f1, 12, "-o-/")
-o-/-o103000
-o-/22720000
-o-/-3401200
-o-/-o-78000
drop table t2;
SET NAMES koi8r;
SET character_set_connection=ucs2;
create table t1 (a varchar(10) character set ucs2, key(a));
insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
explain select * from t1 where a like 'abc%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 23 NULL 1 Using where; Using index
explain select * from t1 where a like concat('abc','%');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 23 NULL 1 Using where; Using index
select * from t1 where a like "abc%";
a
abc
abcd
select * from t1 where a like concat("abc","%");
a
abc
abcd
select * from t1 where a like "ABC%";
a
abc
abcd
select * from t1 where a like "test%";
a
test
select * from t1 where a like "te_t";
a
test
select * from t1 where a like "%a%";
a
a
abc
abcd
select * from t1 where a like "%abcd%";
a
abcd
select * from t1 where a like "%abc\d%";
a
abcd
drop table t1;
select 'AA' like 'AA';
'AA' like 'AA'
1
select 'AA' like 'A%A';
'AA' like 'A%A'
1
select 'AA' like 'A%%A';
'AA' like 'A%%A'
1
select 'AA' like 'AA%';
'AA' like 'AA%'
1
select 'AA' like '%AA%';
'AA' like '%AA%'
1
select 'AA' like '%A';
'AA' like '%A'
1
select 'AA' like '%AA';
'AA' like '%AA'
1
select 'AA' like 'A%A%';
'AA' like 'A%A%'
1
select 'AA' like '_%_%';
'AA' like '_%_%'
1
select 'AA' like '%A%A';
'AA' like '%A%A'
1
select 'AAA'like 'A%A%A';
'AAA'like 'A%A%A'
1
select 'AZ' like 'AZ';
'AZ' like 'AZ'
1
select 'AZ' like 'A%Z';
'AZ' like 'A%Z'
1
select 'AZ' like 'A%%Z';
'AZ' like 'A%%Z'
1
select 'AZ' like 'AZ%';
'AZ' like 'AZ%'
1
select 'AZ' like '%AZ%';
'AZ' like '%AZ%'
1
select 'AZ' like '%Z';
'AZ' like '%Z'
1
select 'AZ' like '%AZ';
'AZ' like '%AZ'
1
select 'AZ' like 'A%Z%';
'AZ' like 'A%Z%'
1
select 'AZ' like '_%_%';
'AZ' like '_%_%'
1
select 'AZ' like '%A%Z';
'AZ' like '%A%Z'
1
select 'AZ' like 'A_';
'AZ' like 'A_'
1
select 'AZ' like '_Z';
'AZ' like '_Z'
1
select 'AMZ'like 'A%M%Z';
'AMZ'like 'A%M%Z'
1
CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET ucs2);
INSERT INTO t1 VALUES (''),(''),(''),(''),(''),('');
INSERT INTO t1 VALUES (''),(''),(''),('');
INSERT INTO t1 VALUES (''),(''),(''),('');
INSERT INTO t1 VALUES (''),(''),(''),('');
SELECT * FROM t1 WHERE a LIKE '%%';
a
SELECT * FROM t1 WHERE a LIKE '%%';
a
SELECT * FROM t1 WHERE a LIKE '%';
a
SELECT * FROM t1 WHERE a LIKE '%' COLLATE ucs2_bin;
a
DROP TABLE t1;
CREATE TABLE t1 (word varchar(64) NOT NULL, PRIMARY KEY (word))
ENGINE=MyISAM CHARACTER SET ucs2 COLLATE ucs2_general_ci;
INSERT INTO t1 (word) VALUES ("cat");
SELECT * FROM t1 WHERE word LIKE "c%";
word
cat
SELECT * FROM t1 WHERE word LIKE "ca_";
word
cat
SELECT * FROM t1 WHERE word LIKE "cat";
word
cat
SELECT * FROM t1 WHERE word LIKE _ucs2 x'00630025';
word
cat
SELECT * FROM t1 WHERE word LIKE _ucs2 x'00630061005F';
word
cat
DROP TABLE t1;
select insert(_ucs2 0x006100620063,10,2,_ucs2 0x006400650066);
insert(_ucs2 0x006100620063,10,2,_ucs2 0x006400650066)
abc
select insert(_ucs2 0x006100620063,1,2,_ucs2 0x006400650066);
insert(_ucs2 0x006100620063,1,2,_ucs2 0x006400650066)
defc
SET NAMES latin1;
CREATE TABLE t1 (
word VARCHAR(64),
bar INT(11) default 0,
PRIMARY KEY (word))
ENGINE=MyISAM
CHARSET ucs2
COLLATE ucs2_general_ci ;
INSERT INTO t1 (word) VALUES ("aar");
INSERT INTO t1 (word) VALUES ("a");
INSERT INTO t1 (word) VALUES ("aardvar");
INSERT INTO t1 (word) VALUES ("aardvark");
INSERT INTO t1 (word) VALUES ("aardvara");
INSERT INTO t1 (word) VALUES ("aardvarz");
EXPLAIN SELECT * FROM t1 ORDER BY word;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort
SELECT * FROM t1 ORDER BY word;
word bar
a 0
aar 0
aardvar 0
aardvara 0
aardvark 0
aardvarz 0
EXPLAIN SELECT word FROM t1 ORDER BY word;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL PRIMARY 130 NULL 6 Using index
SELECT word FROM t1 ORDER by word;
word
a
aar
aardvar
aardvara
aardvark
aardvarz
DROP TABLE t1;
CREATE TABLE t1 (
word VARCHAR(64) ,
PRIMARY KEY (word))
ENGINE=MyISAM
CHARSET ucs2
COLLATE ucs2_general_ci;
INSERT INTO t1 (word) VALUES ("aar");
INSERT INTO t1 (word) VALUES ("a");
INSERT INTO t1 (word) VALUES ("aardvar");
INSERT INTO t1 (word) VALUES ("aardvark");
INSERT INTO t1 (word) VALUES ("aardvara");
INSERT INTO t1 (word) VALUES ("aardvarz");
EXPLAIN SELECT * FROM t1 ORDER BY WORD;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL PRIMARY 130 NULL 6 Using index
SELECT * FROM t1 ORDER BY word;
word
a
aar
aardvar
aardvara
aardvark
aardvarz
DROP TABLE t1;
CREATE TABLE t1 (
word TEXT,
bar INT(11) AUTO_INCREMENT,
PRIMARY KEY (bar))
ENGINE=MyISAM
CHARSET ucs2
COLLATE ucs2_general_ci ;
INSERT INTO t1 (word) VALUES ("aar");
INSERT INTO t1 (word) VALUES ("a" );
INSERT INTO t1 (word) VALUES ("aardvar");
INSERT INTO t1 (word) VALUES ("aardvark");
INSERT INTO t1 (word) VALUES ("aardvara");
INSERT INTO t1 (word) VALUES ("aardvarz");
EXPLAIN SELECT * FROM t1 ORDER BY word;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort
SELECT * FROM t1 ORDER BY word;
word bar
a 2
aar 1
aardvar 3
aardvara 5
aardvark 4
aardvarz 6
EXPLAIN SELECT word FROM t1 ORDER BY word;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort
SELECT word FROM t1 ORDER BY word;
word
a
aar
aardvar
aardvara
aardvark
aardvarz
DROP TABLE t1;
SELECT HEX(_ucs2 0x0);
HEX(_ucs2 0x0)
0000
SELECT HEX(_ucs2 0x01);
HEX(_ucs2 0x01)
0001
SELECT HEX(_ucs2 0x012);
HEX(_ucs2 0x012)
0012
SELECT HEX(_ucs2 0x0123);
HEX(_ucs2 0x0123)
0123
SELECT HEX(_ucs2 0x01234);
HEX(_ucs2 0x01234)
00001234
SELECT HEX(_ucs2 0x012345);
HEX(_ucs2 0x012345)
00012345
SELECT HEX(_ucs2 0x0123456);
HEX(_ucs2 0x0123456)
00123456
SELECT HEX(_ucs2 0x01234567);
HEX(_ucs2 0x01234567)
01234567
SELECT HEX(_ucs2 0x012345678);
HEX(_ucs2 0x012345678)
000012345678
SELECT HEX(_ucs2 0x0123456789);
HEX(_ucs2 0x0123456789)
000123456789
SELECT HEX(_ucs2 0x0123456789A);
HEX(_ucs2 0x0123456789A)
00123456789A
SELECT HEX(_ucs2 0x0123456789AB);
HEX(_ucs2 0x0123456789AB)
0123456789AB
SELECT HEX(_ucs2 0x0123456789ABC);
HEX(_ucs2 0x0123456789ABC)
0000123456789ABC
SELECT HEX(_ucs2 0x0123456789ABCD);
HEX(_ucs2 0x0123456789ABCD)
000123456789ABCD
SELECT HEX(_ucs2 0x0123456789ABCDE);
HEX(_ucs2 0x0123456789ABCDE)
00123456789ABCDE
SELECT HEX(_ucs2 0x0123456789ABCDEF);
HEX(_ucs2 0x0123456789ABCDEF)
0123456789ABCDEF
SELECT hex(cast(0xAA as char character set ucs2));
hex(cast(0xAA as char character set ucs2))
00AA
SELECT hex(convert(0xAA using ucs2));
hex(convert(0xAA using ucs2))
00AA
CREATE TABLE t1 (a char(10) character set ucs2);
INSERT INTO t1 VALUES (0xA),(0xAA),(0xAAA),(0xAAAA),(0xAAAAA);
SELECT HEX(a) FROM t1;
HEX(a)
000A
00AA
0AAA
AAAA
000AAAAA
DROP TABLE t1;
CREATE TABLE t1 (a varchar(10) character set ucs2);
INSERT INTO t1 VALUES (0xA),(0xAA),(0xAAA),(0xAAAA),(0xAAAAA);
SELECT HEX(a) FROM t1;
HEX(a)
000A
00AA
0AAA
AAAA
000AAAAA
DROP TABLE t1;
CREATE TABLE t1 (a text character set ucs2);
INSERT INTO t1 VALUES (0xA),(0xAA),(0xAAA),(0xAAAA),(0xAAAAA);
SELECT HEX(a) FROM t1;
HEX(a)
000A
00AA
0AAA
AAAA
000AAAAA
DROP TABLE t1;
CREATE TABLE t1 (a mediumtext character set ucs2);
INSERT INTO t1 VALUES (0xA),(0xAA),(0xAAA),(0xAAAA),(0xAAAAA);
SELECT HEX(a) FROM t1;
HEX(a)
000A
00AA
0AAA
AAAA
000AAAAA
DROP TABLE t1;
CREATE TABLE t1 (a longtext character set ucs2);
INSERT INTO t1 VALUES (0xA),(0xAA),(0xAAA),(0xAAAA),(0xAAAAA);
SELECT HEX(a) FROM t1;
HEX(a)
000A
00AA
0AAA
AAAA
000AAAAA
DROP TABLE t1;
create table t1 (s1 char character set `ucs2` collate `ucs2_czech_ci`);
insert into t1 values ('0'),('1'),('2'),('a'),('b'),('c');
select s1 from t1 where s1 > 'a' order by s1;
s1
b
c
drop table t1;
create table t1(a char(1)) default charset = ucs2;
insert into t1 values ('a'),('b'),('c');
alter table t1 modify a char(5);
select a, hex(a) from t1;
a hex(a)
a 0061
b 0062
c 0063
drop table t1;
set @ivar= 1234;
set @str1 = 'select ?';
set @str2 = convert(@str1 using ucs2);
prepare stmt1 from @str2;
execute stmt1 using @ivar;
?
1234
set names latin1;
create table t1 (a enum('x','y','z') character set ucs2);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` enum('x','y','z') character set ucs2 default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('x');
insert into t1 values ('y');
insert into t1 values ('z');
select a, hex(a) from t1 order by a;
a hex(a)
x 0078
y 0079
z 007A
alter table t1 change a a enum('x','y','z','d','e','','','') character set ucs2;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` enum('x','y','z','d','e','','','') character set ucs2 default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('D');
insert into t1 values ('E ');
insert into t1 values ('');
insert into t1 values ('');
insert into t1 values ('');
select a, hex(a) from t1 order by a;
a hex(a)
x 0078
y 0079
z 007A
d 0064
e 0065
00E4
00F6
00FC
drop table t1;
create table t1 (a set ('x','y','z','','','') character set ucs2);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` set('x','y','z','','','') character set ucs2 default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('x');
insert into t1 values ('y');
insert into t1 values ('z');
insert into t1 values ('x,y');
insert into t1 values ('x,y,z,,,');
select a, hex(a) from t1 order by a;
a hex(a)
x 0078
y 0079
x,y 0078002C0079
z 007A
x,y,z,,, 0078002C0079002C007A002C00E4002C00F6002C00FC
drop table t1;
create table t1(a enum('a','b','c')) default character set ucs2;
insert into t1 values('a'),('b'),('c');
alter table t1 add b char(1);
show warnings;
Level Code Message
select * from t1 order by a;
a b
a NULL
b NULL
c NULL
drop table t1;
SET collation_connection='ucs2_general_ci';
create table t1 select repeat('a',4000) a;
delete from t1;
insert into t1 values ('a'), ('a '), ('a\t');
select collation(a),hex(a) from t1 order by a;
collation(a) hex(a)
ucs2_general_ci 00610009
ucs2_general_ci 0061
ucs2_general_ci 00610020
drop table t1;
select @@collation_connection;
@@collation_connection
ucs2_general_ci
create table t1 ROW_FORMAT=DYNAMIC select repeat('a',50) as c1 ;
insert into t1 values('abcdef');
insert into t1 values('_bcdef');
insert into t1 values('a_cdef');
insert into t1 values('ab_def');
insert into t1 values('abc_ef');
insert into t1 values('abcd_f');
insert into t1 values('abcde_');
select c1 as c1u from t1 where c1 like 'ab\_def';
c1u
ab_def
select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
c2h
ab_def
drop table t1;
SET NAMES latin1;
SET collation_connection='ucs2_bin';
create table t1 select repeat('a',4000) a;
delete from t1;
insert into t1 values ('a'), ('a '), ('a\t');
select collation(a),hex(a) from t1 order by a;
collation(a) hex(a)
ucs2_bin 00610009
ucs2_bin 0061
ucs2_bin 00610020
drop table t1;
select @@collation_connection;
@@collation_connection
ucs2_bin
create table t1 ROW_FORMAT=DYNAMIC select repeat('a',50) as c1 ;
insert into t1 values('abcdef');
insert into t1 values('_bcdef');
insert into t1 values('a_cdef');
insert into t1 values('ab_def');
insert into t1 values('abc_ef');
insert into t1 values('abcd_f');
insert into t1 values('abcde_');
select c1 as c1u from t1 where c1 like 'ab\_def';
c1u
ab_def
select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
c2h
ab_def
drop table t1;
select hex(substr(_ucs2 0x00e400e50068,1));
hex(substr(_ucs2 0x00e400e50068,1))
00E400E50068
select hex(substr(_ucs2 0x00e400e50068,2));
hex(substr(_ucs2 0x00e400e50068,2))
00E50068
select hex(substr(_ucs2 0x00e400e50068,3));
hex(substr(_ucs2 0x00e400e50068,3))
0068
select hex(substr(_ucs2 0x00e400e50068,-1));
hex(substr(_ucs2 0x00e400e50068,-1))
0068
select hex(substr(_ucs2 0x00e400e50068,-2));
hex(substr(_ucs2 0x00e400e50068,-2))
00E50068
select hex(substr(_ucs2 0x00e400e50068,-3));
hex(substr(_ucs2 0x00e400e50068,-3))
00E400E50068
SET NAMES latin1;
SET collation_connection='ucs2_swedish_ci';
CREATE TABLE t1 (Field1 int(10) default '0');
INSERT INTO t1 VALUES ('-1');
SELECT * FROM t1;
Field1
-1
DROP TABLE t1;
CREATE TABLE t1 (Field1 int(10) unsigned default '0');
INSERT INTO t1 VALUES ('-1');
Warnings:
Warning 1264 Out of range value adjusted for column 'Field1' at row 1
DROP TABLE t1;
SET NAMES latin1;
SELECT CONVERT(103, CHAR(50) UNICODE);
CONVERT(103, CHAR(50) UNICODE)
103
SELECT CONVERT(103.0, CHAR(50) UNICODE);
CONVERT(103.0, CHAR(50) UNICODE)
103.0
SELECT CONVERT(-103, CHAR(50) UNICODE);
CONVERT(-103, CHAR(50) UNICODE)
-103
SELECT CONVERT(-103.0, CHAR(50) UNICODE);
CONVERT(-103.0, CHAR(50) UNICODE)
-103.0
CREATE TABLE t1 (
a varchar(255) NOT NULL default '',
KEY a (a)
) ENGINE=MyISAM DEFAULT CHARSET=ucs2 COLLATE ucs2_general_ci;
insert into t1 values (0x803d);
insert into t1 values (0x005b);
select hex(a) from t1;
hex(a)
005B
803D
drop table t1;
create table t1(f1 varchar(5) CHARACTER SET ucs2 COLLATE ucs2_bin NOT NULL) engine=InnoDB;
insert into t1 values('a');
create index t1f1 on t1(f1);
select f1 from t1 where f1 like 'a%';
f1
a
drop table t1;
create table t1 (utext varchar(20) character set ucs2);
insert into t1 values ("lily");
insert into t1 values ("river");
prepare stmt from 'select utext from t1 where utext like ?';
set @param1='%%';
execute stmt using @param1;
utext
lily
river
execute stmt using @param1;
utext
lily
river
select utext from t1 where utext like '%%';
utext
lily
river
drop table t1;
deallocate prepare stmt;
create table t1 (
a char(10) unicode not null,
index a (a)
) engine=myisam;
insert into t1 values (repeat(0x201f, 10));
insert into t1 values (repeat(0x2020, 10));
insert into t1 values (repeat(0x2021, 10));
explain select hex(a) from t1 order by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL a 20 NULL 3 Using index
select hex(a) from t1 order by a;
hex(a)
201F201F201F201F201F201F201F201F201F201F
2020202020202020202020202020202020202020
2021202120212021202120212021202120212021
alter table t1 drop index a;
select hex(a) from t1 order by a;
hex(a)
201F201F201F201F201F201F201F201F201F201F
2020202020202020202020202020202020202020
2021202120212021202120212021202120212021
drop table t1;
CREATE TABLE t1 (id int, s char(5) CHARACTER SET ucs2 COLLATE ucs2_unicode_ci);
INSERT INTO t1 VALUES (1, 'ZZZZZ'), (1, 'ZZZ'), (2, 'ZZZ'), (2, 'ZZZZZ');
SELECT id, MIN(s) FROM t1 GROUP BY id;
id MIN(s)
1 ZZZ
2 ZZZ
DROP TABLE t1;
drop table if exists bug20536;
set names latin1;
create table bug20536 (id bigint not null auto_increment primary key, name
varchar(255) character set ucs2 not null);
insert into `bug20536` (`id`,`name`) values (1, _latin1 x'7465737431'), (2, "'test\\_2'");
select md5(name) from bug20536;
md5(name)
f4b7ce8b45a20e3c4e84bef515d1525c
48d95db0d8305c2fe11548a3635c9385
select sha1(name) from bug20536;
sha1(name)
e0b52f38deddb9f9e8d5336b153592794cb49baf
677d4d505355eb5b0549b865fcae4b7f0c28aef5
select make_set(3, name, upper(name)) from bug20536;
make_set(3, name, upper(name))
test1,TEST1
'test\_2','TEST\_2'
select export_set(5, name, upper(name)) from bug20536;
export_set(5, name, upper(name))
test1,TEST1,test1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1
'test\_2','TEST\_2','test\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2'
select export_set(5, name, upper(name), ",", 5) from bug20536;
export_set(5, name, upper(name), ",", 5)
test1,TEST1,test1,TEST1,TEST1
'test\_2','TEST\_2','test\_2','TEST\_2','TEST\_2'
CREATE TABLE t1 (
status enum('active','passive') collate latin1_general_ci
NOT NULL default 'passive'
);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`status` enum('active','passive') character set latin1 collate latin1_general_ci NOT NULL default 'passive'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
ALTER TABLE t1 ADD a int NOT NULL AFTER status;
CREATE TABLE t2 (
status enum('active','passive') collate ucs2_turkish_ci
NOT NULL default 'passive'
);
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`status` enum('active','passive') character set ucs2 collate ucs2_turkish_ci NOT NULL default 'passive'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
ALTER TABLE t2 ADD a int NOT NULL AFTER status;
DROP TABLE t1,t2;
select password(name) from bug20536;
password(name)
????????????????????
????????????????????
select old_password(name) from bug20536;
old_password(name)
????????
????????
select quote(name) from bug20536;
quote(name)
????????
????????????????
drop table bug20536;
End of 4.1 tests
CREATE TABLE t1 (a varchar(64) character set ucs2, b decimal(10,3));
INSERT INTO t1 VALUES ("1.1", 0), ("2.1", 0);
update t1 set b=a;
SELECT * FROM t1;
a b
1.1 1.100
2.1 2.100
DROP TABLE t1;
create table t1 (utext varchar(20) character set ucs2);
insert into t1 values ("lily");
insert into t1 values ("river");
prepare stmt from 'select utext from t1 where utext like ?';
set @param1='%%';
execute stmt using @param1;
utext
lily
river
execute stmt using @param1;
utext
lily
river
select utext from t1 where utext like '%%';
utext
lily
river
drop table t1;
deallocate prepare stmt;
create table t1(a blob, b text charset utf8, c text charset ucs2);
select data_type, character_octet_length, character_maximum_length
from information_schema.columns where table_name='t1';
data_type character_octet_length character_maximum_length
blob 65535 65535
text 65535 65535
text 65535 32767
drop table t1;
End of 5.0 tests
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