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
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drop table if exists t1,t2,t3;
set @save_derived_optimizer_switch=@@optimizer_switch;
set optimizer_switch='derived_merge=off,derived_with_keys=off';
select * from (select 2 from DUAL) b;
2
2
SELECT 1 as a FROM (SELECT 1 UNION SELECT a) b;
ERROR 42S22: Unknown column 'a' in 'field list'
SELECT 1 as a FROM (SELECT a UNION SELECT 1) b;
ERROR 42S22: Unknown column 'a' in 'field list'
CREATE TABLE t1 (a int not null, b char (10) not null);
insert into t1 values(1,'a'),(2,'b'),(3,'c'),(3,'c');
CREATE TABLE t2 (a int not null, b char (10) not null);
insert into t2 values (3,'c'),(4,'d'),(5,'f'),(6,'e');
select t1.a,t3.y from t1,(select a as y from t2 where b='c') as t3 where t1.a = t3.y;
a y
3 3
3 3
select t1.a,t3.a from t1,(select * from t2 where b='c') as t3 where t1.a = t3.a;
a a
3 3
3 3
CREATE TABLE t3 (a int not null, b char (10) not null);
insert into t3 values (3,'f'),(4,'y'),(5,'z'),(6,'c');
select t1.a,t4.y from t1,(select t2.a as y from t2,(select t3.b from t3 where t3.a>3) as t5 where t2.b=t5.b) as t4 where t1.a = t4.y;
a y
3 3
3 3
SELECT a FROM (SELECT 1 FROM (SELECT 1) a HAVING a=1) b;
ERROR 42S22: Unknown column 'a' in 'having clause'
SELECT a,b as a FROM (SELECT '1' as a,'2' as b) b HAVING a=1;
ERROR 23000: Column 'a' in having clause is ambiguous
SELECT a,2 as a FROM (SELECT '1' as a) b HAVING a=2;
a a
1 2
SELECT a,2 as a FROM (SELECT '1' as a) b HAVING a=1;
a a
SELECT 1 FROM (SELECT 1) a WHERE a=2;
ERROR 42S22: Unknown column 'a' in 'where clause'
SELECT (SELECT 1) as a FROM (SELECT 1 FROM t1 HAVING a=1) as a;
ERROR 42S22: Unknown column 'a' in 'having clause'
select * from t1 as x1, (select * from t1) as x2;
a b a b
1 a 1 a
2 b 1 a
3 c 1 a
3 c 1 a
1 a 2 b
2 b 2 b
3 c 2 b
3 c 2 b
1 a 3 c
2 b 3 c
3 c 3 c
3 c 3 c
1 a 3 c
2 b 3 c
3 c 3 c
3 c 3 c
explain select * from t1 as x1, (select * from t1) as x2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY x1 ALL NULL NULL NULL NULL 4
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 4
drop table if exists t2,t3;
select * from (select 1) as a;
1
1
select a from (select 1 as a) as b;
a
1
select 1 from (select 1) as a;
1
1
select * from (select * from t1 union select * from t1) a;
a b
1 a
2 b
3 c
select * from (select * from t1 union all select * from t1) a;
a b
1 a
2 b
3 c
3 c
1 a
2 b
3 c
3 c
select * from (select * from t1 union all select * from t1 limit 2) a;
a b
1 a
2 b
explain select * from (select * from t1 union select * from t1) a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 8
2 DERIVED t1 ALL NULL NULL NULL NULL 4
3 UNION t1 ALL NULL NULL NULL NULL 4
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL
explain select * from (select * from t1 union all select * from t1) a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 8
2 DERIVED t1 ALL NULL NULL NULL NULL 4
3 UNION t1 ALL NULL NULL NULL NULL 4
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL
CREATE TABLE t2 (a int not null);
insert into t2 values(1);
select * from (select * from t1 where t1.a=(select a from t2 where t2.a=t1.a)) a;
a b
1 a
select * from (select * from t1 where t1.a=(select t2.a from t2 where t2.a=t1.a) union select t1.a, t1.b from t1) a;
a b
1 a
2 b
3 c
explain select * from (select t1.*, t2.a as t2a from t1,t2 where t1.a=t2.a) t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4
2 DERIVED t2 system NULL NULL NULL NULL 1
2 DERIVED t1 ALL NULL NULL NULL NULL 4 Using where
drop table t1, t2;
create table t1(a int not null, t char(8), index(a));
SELECT * FROM (SELECT * FROM t1) as b ORDER BY a ASC LIMIT 0,20;
a t
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
19 19
20 20
explain select count(*) from t1 as tt1, (select * from t1) as tt2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY tt1 index NULL a 4 NULL 10000 Using index
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 10000 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 10000
drop table t1;
SELECT * FROM (SELECT (SELECT * FROM (SELECT 1 as a) as a )) as b;
(SELECT * FROM (SELECT 1 as a) as a )
1
select * from (select 1 as a) b left join (select 2 as a) c using(a);
a
1
SELECT * FROM (SELECT 1 UNION SELECT a) b;
ERROR 42S22: Unknown column 'a' in 'field list'
SELECT 1 as a FROM (SELECT a UNION SELECT 1) b;
ERROR 42S22: Unknown column 'a' in 'field list'
SELECT 1 as a FROM (SELECT 1 UNION SELECT a) b;
ERROR 42S22: Unknown column 'a' in 'field list'
select 1 from (select 2) a order by 0;
ERROR 42S22: Unknown column '0' in 'order clause'
create table t1 (id int);
insert into t1 values (1),(2),(3);
describe select * from (select * from t1 group by id) bar;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 3
2 DERIVED t1 ALL NULL NULL NULL NULL 3 Using temporary; Using filesort
drop table t1;
create table t1 (mat_id MEDIUMINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, matintnum CHAR(6) NOT NULL, test MEDIUMINT UNSIGNED NULL);
create table t2 (mat_id MEDIUMINT UNSIGNED NOT NULL, pla_id MEDIUMINT UNSIGNED NOT NULL);
insert into t1 values (NULL, 'a', 1), (NULL, 'b', 2), (NULL, 'c', 3), (NULL, 'd', 4), (NULL, 'e', 5), (NULL, 'f', 6), (NULL, 'g', 7), (NULL, 'h', 8), (NULL, 'i', 9);
insert into t2 values (1, 100), (1, 101), (1, 102), (2, 100), (2, 103), (2, 104), (3, 101), (3, 102), (3, 105);
SELECT STRAIGHT_JOIN d.pla_id, m2.mat_id FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
pla_id mat_id
100 1
101 1
102 1
103 2
104 2
105 3
SELECT STRAIGHT_JOIN d.pla_id, m2.test FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
pla_id test
100 1
101 1
102 1
103 2
104 2
105 3
explain SELECT STRAIGHT_JOIN d.pla_id, m2.mat_id FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY m2 ALL NULL NULL NULL NULL 9
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 9 Using where; Using join buffer (flat, BNL join)
2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort
2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1
explain SELECT STRAIGHT_JOIN d.pla_id, m2.test FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY m2 ALL NULL NULL NULL NULL 9
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 9 Using where; Using join buffer (flat, BNL join)
2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort
2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1
drop table t1,t2;
SELECT a.x FROM (SELECT 1 AS x) AS a HAVING a.x = 1;
x
1
create user mysqltest_1;
create table t1 select 1 as a;
set optimizer_switch='derived_merge=off,derived_with_keys=off';
select 2 as a from (select * from t1) b;
ERROR 3D000: No database selected
use test;
select 2 as a from (select * from t1) b;
a
2
drop table t1;
select mail_id, if(folder.f_description!='', folder.f_description, folder.f_name) as folder_name, date, address_id, phrase, address, subject from folder, (select mail.mail_id as mail_id, date_format(mail.h_date, '%b %e, %Y %h:%i') as date, mail.folder_id, sender.address_id as address_id, sender.phrase as phrase, sender.address as address, mail.h_subject as subject from mail left join mxa as mxa_sender on mail.mail_id=mxa_sender.mail_id and mxa_sender.type='from' left join address as sender on mxa_sender.address_id=sender.address_id mxa as mxa_recipient, address as recipient, where 1 and mail.mail_id=mxa_recipient.mail_id and mxa_recipient.address_id=recipient.address_id and mxa_recipient.type='to' and match(sender.phrase, sender.address, sender.comment) against ('jeremy' in boolean mode) and match(recipient.phrase, recipient.address, recipient.comment) against ('monty' in boolean mode) order by mail.h_date desc limit 0, 25 ) as query where query.folder_id=folder.folder_id;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'mxa as mxa_recipient, address as recipient, where 1 and mail.mail_id=mxa_r' at line 1
create table t1 (a int);
insert into t1 values (1),(2),(3);
update (select * from t1) as t1 set a = 5;
ERROR HY000: The target table t1 of the UPDATE is not updatable
delete from (select * from t1);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(select * from t1)' at line 1
insert into (select * from t1) values (5);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(select * from t1) values (5)' at line 1
drop table t1;
create table t1 (E1 INTEGER UNSIGNED NOT NULL, E2 INTEGER UNSIGNED NOT NULL, E3 INTEGER UNSIGNED NOT NULL, PRIMARY KEY(E1)
);
insert into t1 VALUES(1,1,1), (2,2,1);
select count(*) from t1 INNER JOIN (SELECT A.E1, A.E2, A.E3 FROM t1 AS A WHERE A.E3 = (SELECT MAX(B.E3) FROM t1 AS B WHERE A.E2 = B.E2)) AS THEMAX ON t1.E1 = THEMAX.E2 AND t1.E1 = t1.E2;
count(*)
2
explain select count(*) from t1 INNER JOIN (SELECT A.E1, A.E2, A.E3 FROM t1 AS A WHERE A.E3 = (SELECT MAX(B.E3) FROM t1 AS B WHERE A.E2 = B.E2)) AS THEMAX ON t1.E1 = THEMAX.E2 AND t1.E1 = t1.E2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 THEMAX.E2 1 Using where
2 DERIVED A ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT SUBQUERY B ALL NULL NULL NULL NULL 2 Using where
drop table t1;
create table t1 (a int);
insert into t1 values (1),(2);
select * from ( select * from t1 union select * from t1) a,(select * from t1 union select * from t1) b;
a a
1 1
2 1
1 2
2 2
explain select * from ( select * from t1 union select * from t1) a,(select * from t1 union select * from t1) b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4
1 PRIMARY <derived4> ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join)
4 DERIVED t1 ALL NULL NULL NULL NULL 2
5 UNION t1 ALL NULL NULL NULL NULL 2
NULL UNION RESULT <union4,5> ALL NULL NULL NULL NULL NULL
2 DERIVED t1 ALL NULL NULL NULL NULL 2
3 UNION t1 ALL NULL NULL NULL NULL 2
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL
drop table t1;
CREATE TABLE `t1` (
`N` int(11) unsigned NOT NULL default '0',
`M` tinyint(1) default '0'
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO `t1` (N, M) VALUES (1, 0),(1, 0),(1, 0),(2, 0),(2, 0),(3, 0);
UPDATE `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N SET P1.M = 2;
select * from t1;
N M
1 2
1 2
1 2
2 2
2 2
3 0
UPDATE `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N SET P1.M = 2, P2.N = 2;
ERROR HY000: The target table P2 of the UPDATE is not updatable
UPDATE `t1` AS P1 INNER JOIN (SELECT aaaa FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N SET P1.M = 2;
ERROR 42S22: Unknown column 'aaaa' in 'field list'
delete P1.* from `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N;
select * from t1;
N M
3 0
delete P1.*,p2.* from `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS p2 ON P1.N = p2.N;
ERROR HY000: The target table p2 of the DELETE is not updatable
delete P1.* from `t1` AS P1 INNER JOIN (SELECT aaa FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N;
ERROR 42S22: Unknown column 'aaa' in 'field list'
drop table t1;
CREATE TABLE t1 (
OBJECTID int(11) NOT NULL default '0',
SORTORDER int(11) NOT NULL auto_increment,
KEY t1_SortIndex (SORTORDER),
KEY t1_IdIndex (OBJECTID)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
CREATE TABLE t2 (
ID int(11) default NULL,
PARID int(11) default NULL,
UNIQUE KEY t2_ID_IDX (ID),
KEY t2_PARID_IDX (PARID)
) engine=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t2 VALUES (1000,0),(1001,0),(1002,0),(1003,0),(1008,1),(1009,1),(1010,1),(1011,1),(1016,2);
CREATE TABLE t3 (
ID int(11) default NULL,
DATA decimal(10,2) default NULL,
UNIQUE KEY t3_ID_IDX (ID)
) engine=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t3 VALUES (1000,0.00),(1001,0.25),(1002,0.50),(1003,0.75),(1008,1.00),(1009,1.25),(1010,1.50),(1011,1.75);
select 497, TMP.ID, NULL from (select 497 as ID, MAX(t3.DATA) as DATA from t1 join t2 on (t1.ObjectID = t2.ID) join t3 on (t1.ObjectID = t3.ID) group by t2.ParID order by DATA DESC) as TMP;
497 ID NULL
drop table t1, t2, t3;
CREATE TABLE t1 (name char(1) default NULL, val int(5) default NULL);
INSERT INTO t1 VALUES ('a',1), ('a',2), ('a',2), ('a',2), ('a',3), ('a',6), ('a',7), ('a',11), ('a',11), ('a',12), ('a',13), ('a',13), ('a',20), ('b',2), ('b',3), ('b',4), ('b',5);
SELECT s.name, AVG(s.val) AS median FROM (SELECT x.name, x.val FROM t1 x, t1 y WHERE x.name=y.name GROUP BY x.name, x.val HAVING SUM(y.val <= x.val) >= COUNT(*)/2 AND SUM(y.val >= x.val) >= COUNT(*)/2) AS s GROUP BY s.name;
name median
a 7.0000
b 3.5000
explain SELECT s.name, AVG(s.val) AS median FROM (SELECT x.name, x.val FROM t1 x, t1 y WHERE x.name=y.name GROUP BY x.name, x.val HAVING SUM(y.val <= x.val) >= COUNT(*)/2 AND SUM(y.val >= x.val) >= COUNT(*)/2) AS s GROUP BY s.name;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 289 Using temporary; Using filesort
2 DERIVED x ALL NULL NULL NULL NULL 17 Using temporary; Using filesort
2 DERIVED y ALL NULL NULL NULL NULL 17 Using where; Using join buffer (flat, BNL join)
drop table t1;
create table t2 (a int, b int, primary key (a));
insert into t2 values (1,7),(2,7);
explain select a from t2 where a>1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index PRIMARY PRIMARY 4 NULL 2 Using where; Using index
explain select a from (select a from t2 where a>1) tt;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t2 index PRIMARY PRIMARY 4 NULL 2 Using where; Using index
drop table t2;
CREATE TABLE `t1` ( `itemid` int(11) NOT NULL default '0', `grpid` varchar(15) NOT NULL default '', `vendor` int(11) NOT NULL default '0', `date_` date NOT NULL default '0000-00-00', `price` decimal(12,2) NOT NULL default '0.00', PRIMARY KEY (`itemid`,`grpid`,`vendor`,`date_`), KEY `itemid` (`itemid`,`vendor`), KEY `itemid_2` (`itemid`,`date_`));
insert into t1 values (128, 'rozn', 2, curdate(), 10),
(128, 'rozn', 1, curdate(), 10);
SELECT MIN(price) min, MAX(price) max, AVG(price) avg FROM (SELECT SUBSTRING( MAX(concat(date_,";",price)), 12) price FROM t1 WHERE itemid=128 AND grpid='rozn' GROUP BY itemid, grpid, vendor) lastprices;
min max avg
10.00 10.00 10
DROP TABLE t1;
create table t1 (a integer, b integer);
insert into t1 values (1,4), (2,2),(2,2), (4,1),(4,1),(4,1),(4,1);
select distinct sum(b) from t1 group by a;
sum(b)
4
select distinct sum(b) from (select a,b from t1) y group by a;
sum(b)
4
drop table t1;
CREATE TABLE t1 (a char(10), b char(10));
INSERT INTO t1 VALUES ('root','localhost'), ('root','%');
SELECT * FROM (SELECT (SELECT a.a FROM t1 AS a WHERE a.a = b.a) FROM t1 AS b) AS c;
ERROR 21000: Subquery returns more than 1 row
DROP TABLE t1;
create table t1(a int);
create table t2(a int);
create table t3(a int);
insert into t1 values(1),(1);
insert into t2 values(2),(2);
insert into t3 values(3),(3);
select * from t1 union distinct select * from t2 union all select * from t3;
a
1
2
3
3
select * from (select * from t1 union distinct select * from t2 union all select * from t3) X;
a
1
2
3
3
drop table t1, t2, t3;
create table t1 (a int);
create table t2 (a int);
select * from (select * from t1,t2) foo;
ERROR 42S21: Duplicate column name 'a'
drop table t1,t2;
create table t1 (ID int unsigned not null auto_increment,
DATA varchar(5) not null, primary key (ID));
create table t2 (ID int unsigned not null auto_increment,
DATA varchar(5) not null, FID int unsigned not null,
primary key (ID));
select A.* from (t1 inner join (select * from t2) as A on t1.ID = A.FID);
ID DATA FID
select t2.* from ((select * from t1) as A inner join t2 on A.ID = t2.FID);
ID DATA FID
select t2.* from (select * from t1) as A inner join t2 on A.ID = t2.FID;
ID DATA FID
drop table t1, t2;
drop user mysqltest_1;
# End of 4.1 tests
SELECT 0 FROM
(SELECT 0) t01, (SELECT 0) t02, (SELECT 0) t03, (SELECT 0) t04, (SELECT 0) t05,
(SELECT 0) t06, (SELECT 0) t07, (SELECT 0) t08, (SELECT 0) t09, (SELECT 0) t10,
(SELECT 0) t11, (SELECT 0) t12, (SELECT 0) t13, (SELECT 0) t14, (SELECT 0) t15,
(SELECT 0) t16, (SELECT 0) t17, (SELECT 0) t18, (SELECT 0) t19, (SELECT 0) t20,
(SELECT 0) t21, (SELECT 0) t22, (SELECT 0) t23, (SELECT 0) t24, (SELECT 0) t25,
(SELECT 0) t26, (SELECT 0) t27, (SELECT 0) t28, (SELECT 0) t29, (SELECT 0) t30,
(SELECT 0) t31, (SELECT 0) t32, (SELECT 0) t33, (SELECT 0) t34, (SELECT 0) t35,
(SELECT 0) t36, (SELECT 0) t37, (SELECT 0) t38, (SELECT 0) t39, (SELECT 0) t40,
(SELECT 0) t41, (SELECT 0) t42, (SELECT 0) t43, (SELECT 0) t44, (SELECT 0) t45,
(SELECT 0) t46, (SELECT 0) t47, (SELECT 0) t48, (SELECT 0) t49, (SELECT 0) t50,
(SELECT 0) t51, (SELECT 0) t52, (SELECT 0) t53, (SELECT 0) t54, (SELECT 0) t55,
(SELECT 0) t56, (SELECT 0) t57, (SELECT 0) t58, (SELECT 0) t59, (SELECT 0) t60,
(SELECT 0) t61;
0
0
#
# A nested materialized derived table is used before being populated.
# (addon for bug#19077)
#
CREATE TABLE t1 (i INT, j BIGINT);
INSERT INTO t1 VALUES (1, 2), (2, 2), (3, 2);
SELECT * FROM (SELECT MIN(i) FROM t1
WHERE j = SUBSTRING('12', (SELECT * FROM (SELECT MIN(j) FROM t1) t2))) t3;
MIN(i)
1
DROP TABLE t1;
# End of 5.0 tests
#
# MDEV-5005: Subquery in Procedure somehow affecting temporary table
#
create temporary table if not exists t1 (id int not null);
select A.* from ( select tt.* from t1 tt ) A;
id
prepare stmt from "select A.* from ( select tt.* from t1 tt ) A ";
execute stmt;
id
deallocate prepare stmt;
drop temporary table t1;
CREATE PROCEDURE p ()
BEGIN
select A.* from ( select tt.* from t1 tt ) A ;
END |
create temporary table if not exists t1 (id int not null);
CALL p();
id
CALL p();
id
drop procedure p;
drop temporary table t1;
#
# MDEV-5143: update of a joined table with a nested subquery with
# a syntax error crashes mysqld with signal 11
#
create table t1 (id int(11) not null auto_increment, val varchar(100) null,primary key (id));
create table t2 (id int(11) not null auto_increment, val varchar(100) null,primary key (id));
insert into t1 (val) values('a');
insert into t2 (val) values('1');
update
(
select
val
from
(
select
v.val
from
t2 wrong_table_alias
) t4
) t3
inner join t1 on
t1.id=t3.val
set
t1.val=t3.val
;
ERROR 42S22: Unknown column 'v.val' in 'field list'
drop table t1, t2;
#
# MDEV-5353: server crash on subselect if WHERE applied to some
# result field
#
SELECT * FROM
( SELECT 100 a, subsel.b FROM ( SELECT 200 b ) subsel ) tmp
WHERE tmp.b;
a b
100 200
SELECT * FROM
( SELECT 100 a, subsel.b FROM ( SELECT 200 b ) subsel ) tmp
WHERE tmp.a;
a b
100 200
#
# MDEV-5356: Server crashes in Item_equal::contains on 2nd
# execution of a PS
#
CREATE TABLE t1 (a INT, b INT);
INSERT INTO t1 VALUES (1,2),(3,4);
CREATE TABLE t2 (c INT);
INSERT INTO t2 VALUES (5),(6);
CREATE TABLE t3 (d INT);
INSERT INTO t3 VALUES (7),(8);
CREATE PROCEDURE pr()
UPDATE t3,
(SELECT c FROM
(SELECT 1 FROM t1 WHERE a=72 AND NOT b) sq,
t2
) sq2
SET d=sq2.c;
CALL pr();
CALL pr();
CALL pr();
drop procedure pr;
drop table t1,t2,t3;
# End of 5.3 tests
#
# Bug#58730 Assertion failed: table->key_read == 0 in close_thread_table,
# temptable views
#
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (b INT, KEY (b));
INSERT INTO t1 VALUES (1),(1);
INSERT INTO t2 VALUES (1),(1);
CREATE algorithm=temptable VIEW v1 AS
SELECT 1 FROM t1 LEFT JOIN t1 t3 ON 1 > (SELECT 1 FROM t1);
CREATE algorithm=temptable VIEW v2 AS SELECT 1 FROM t2;
EXPLAIN SELECT 1 FROM t1 JOIN v1 ON 1 > (SELECT 1 FROM v2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY <derived3> ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join)
3 DERIVED t1 ALL NULL NULL NULL NULL 2
3 DERIVED t3 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
4 SUBQUERY t1 ALL NULL NULL NULL NULL 2
2 SUBQUERY <derived5> ALL NULL NULL NULL NULL 2
5 DERIVED t2 index NULL b 5 NULL 2 Using index
SELECT 1 FROM t1 JOIN v1 ON 1 > (SELECT 1 FROM v2);
ERROR 21000: Subquery returns more than 1 row
DROP TABLE t1, t2;
DROP VIEW v1, v2;
create table t1 (n bigint(20) unsigned, d1 datetime, d2 datetime, key (d1));
insert t1 values (2085,'2012-01-01 00:00:00','2013-01-01 00:00:00');
insert t1 values (2084,'2012-02-01 00:00:00','2013-01-01 00:00:00');
insert t1 values (2088,'2012-03-01 00:00:00','2013-01-01 00:00:00');
select * from (
select n, d1, d2, @result := 0 as result
from t1
where d1 < '2012-12-12 12:12:12' and n in (2085, 2084) order by d2 asc
) as calculated_result;
n d1 d2 result
2085 2012-01-01 00:00:00 2013-01-01 00:00:00 0
2084 2012-02-01 00:00:00 2013-01-01 00:00:00 0
drop table t1;
set @save_derived_optimizer_switch_bug=@@optimizer_switch;
SET optimizer_switch = 'derived_merge=on,derived_with_keys=on,in_to_exists=on';
CREATE TABLE t1 (a INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (8);
CREATE TABLE t2 (b INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (1),(7);
EXPLAIN SELECT * FROM (SELECT * FROM t1) AS table1,
(SELECT DISTINCT * FROM t2) AS table2 WHERE b = a AND a <> ANY (SELECT 9);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY <derived3> ref key0 key0 5 const 0
3 DERIVED t2 ALL NULL NULL NULL NULL 2 Using temporary
Warnings:
Note 1249 Select 4 was reduced during optimization
DROP TABLE t1, t2;
set optimizer_switch=@save_derived_optimizer_switch_bug;
#
# MDEV-6163: Error while executing an update query that has the
# same table in a sub-query
#
set @save_derived_optimizer_switch_bug=@@optimizer_switch;
SET optimizer_switch = 'derived_merge=on';
create table t1 (balance float, accountId varchar(64), primary key (accountId));
insert into t1 (accountId,balance) values
('dealer-1',199354.0),('dealer-2',0),('dealer-3',0),('dealer-5',0),('FINANCE',-200000),('OPERATOR',0);
update t1 set balance=(select sum(balance) from (SELECT balance FROM t1 where accountId like 'dealer%') AS copied) where accountId = 'OPERATOR';
set optimizer_switch=@save_derived_optimizer_switch_bug;
drop table t1;
#
# MDEV-6219:Server crashes in Bitmap<64u>::merge
# (this=0x180, map2=...) on 2nd execution of PS with INSERT .. SELECT,
# derived_merge
#
CREATE TABLE t1 (a VARCHAR(8)) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('foo'),('bar');
create procedure p1()
INSERT INTO t1 SELECT * FROM (
SELECT * FROM t1
) AS sq
WHERE sq.a IN ( SELECT 'baz' FROM DUAL );
call p1();
call p1();
drop procedure p1;
PREPARE stmt FROM "
INSERT INTO t1 SELECT * FROM (
SELECT * FROM t1
) AS sq
WHERE sq.a IN ( SELECT 'baz' FROM DUAL )
";
EXECUTE stmt;
EXECUTE stmt;
deallocate prepare stmt;
drop table t1;
#
# MDEV-6892: WHERE does not apply
#
create table t1 (id int);
create table t2 (id int);
insert into t1 values(1),(2),(3);
insert into t2 values(4),(5),(6);
select x.id, message from (select id from t1) x left join
(select id, 1 as message from t2) y on x.id=y.id
where coalesce(message,0) <> 0;
id message
drop table t1,t2;
#
# MDEV-7827: Assertion `!table || (!table->read_set ||
# bitmap_is_set(table->read_set, field_index))' failed
# in Field_long::val_str on EXPLAIN EXTENDED
#
CREATE TABLE t1 (f1 INT, f2 INT, KEY(f2)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (6,9);
CREATE TABLE t2 (f3 INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (2),(0);
EXPLAIN EXTENDED
SELECT f1 FROM ( SELECT * FROM t1 ) AS sq
WHERE f1 IN (
SELECT f3 FROM t2 WHERE f2 IN (
SELECT f3 FROM t2 HAVING f3 >= 8
)
);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1 100.00
1 PRIMARY <subquery4> eq_ref distinct_key distinct_key 4 sq.f2 1 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where; FirstMatch(<subquery4>); Using join buffer (flat, BNL join)
4 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 system NULL NULL NULL NULL 1 100.00
Warnings:
Note 1276 Field or reference 'sq.f2' of SELECT #3 was resolved in SELECT #1
Note 1003 select 6 AS `f1` from <materialize> (select `test`.`t2`.`f3` from `test`.`t2` having (`test`.`t2`.`f3` >= 8)) semi join (`test`.`t2`) where ((`test`.`t2`.`f3` = 6) and (9 = `<subquery4>`.`f3`))
DROP TABLE t2,t1;
#
# MDEV-9462: Out of memory using explain on 2 empty tables
#
CREATE TABLE `t1` (
`REC_GROUP` char(2) DEFAULT NULL,
`CLIENT_INFO` text CHARACTER SET utf8,
`NAME` text,
`PHONE_NUMBER` text,
`ATTENTION_NAME` text,
`PAYMENT_TERM` text CHARACTER SET utf8,
`CREDIT_LIMIT` decimal(12,2) DEFAULT NULL,
`LAST_PAY_DATE` text CHARACTER SET utf8,
`TOTAL` double DEFAULT NULL,
`TOTAL_MCL` double DEFAULT NULL,
`TOTAL_MFS` double DEFAULT NULL,
`TOTAL_MIS` double DEFAULT NULL,
`BEFORE_DUE_7_MCL` double DEFAULT NULL,
`BEFORE_DUE_7_MFS` double DEFAULT NULL,
`BEFORE_DUE_7_MIS` double DEFAULT NULL,
`PER1_MCL` double DEFAULT NULL,
`PER1_MFS` double DEFAULT NULL,
`PER1_MIS` double DEFAULT NULL,
`PER2_MCL` double DEFAULT NULL,
`PER2_MFS` double DEFAULT NULL,
`PER2_MIS` double DEFAULT NULL,
`PER3_MCL` double DEFAULT NULL,
`PER3_MFS` double DEFAULT NULL,
`PER3_MIS` double DEFAULT NULL,
`PER4_MCL` double DEFAULT NULL,
`PER4_MFS` double DEFAULT NULL,
`PER4_MIS` double DEFAULT NULL,
`PER5_MCL` double DEFAULT NULL,
`PER5_MFS` double DEFAULT NULL,
`PER5_MIS` double DEFAULT NULL,
`PER6_MCL` double DEFAULT NULL,
`PER6_MFS` double DEFAULT NULL,
`PER6_MIS` double DEFAULT NULL,
`PER7_MCL` double DEFAULT NULL,
`PER7_MFS` double DEFAULT NULL,
`PER7_MIS` double DEFAULT NULL,
`BEFORE_DUE_7` double DEFAULT NULL,
`PER1` double DEFAULT NULL,
`PER2` double DEFAULT NULL,
`PER3` double DEFAULT NULL,
`PER4` double DEFAULT NULL,
`PER5` double DEFAULT NULL,
`PER6` double DEFAULT NULL,
`PER7` double DEFAULT NULL,
`REF` varchar(30) DEFAULT NULL,
`TYPE` varchar(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL
);
CREATE TABLE `t2` (
`RECEIVABLE_GROUP` char(2) DEFAULT NULL,
`CLIENT_NUMBER` varchar(35) DEFAULT NULL,
`CLIENT_NAME` varchar(73) DEFAULT NULL,
`PHONE_NUMBER` char(12) DEFAULT NULL,
`ATTENTION_NAME` char(26) DEFAULT NULL,
`PAYMENT_TERM` varchar(26) CHARACTER SET utf8 DEFAULT NULL,
`CREDIT_LIMIT` decimal(12,2) DEFAULT NULL,
`LAST_PAY_DATE` varchar(42) CHARACTER SET utf8 DEFAULT NULL,
`TOTAL` decimal(12,2) DEFAULT NULL,
`BEFORE_DUE_7` decimal(12,2) DEFAULT NULL,
`PER1` decimal(12,2) DEFAULT NULL,
`PER2` decimal(12,2) DEFAULT NULL,
`PER3` decimal(12,2) DEFAULT NULL,
`PER4` decimal(12,2) DEFAULT NULL,
`PER5` decimal(12,2) DEFAULT NULL,
`PER6` decimal(12,2) DEFAULT NULL,
`PER7` decimal(12,2) DEFAULT NULL,
`DIVISION` varchar(3) CHARACTER SET utf8 NOT NULL,
`CLIENT_INFO` varchar(294) CHARACTER SET utf8 DEFAULT NULL,
`EXCHANGE_RATE` double NOT NULL,
`REF` varchar(30) DEFAULT NULL
);
explain
SELECT A.RECEIVABLE_GROUP,A.CLIENT_INFO,A.CLIENT_NAME,A.PHONE_NUMBER,A.ATTENTION_NAME,A.PAYMENT_TERM,A.CREDIT_LIMIT,A.LAST_PAY_DATE,A.TOTAL,
COALESCE(B.TOTAL_MCL,0) AS TOTAL_MCL,
COALESCE(C.TOTAL_MFS,0) AS TOTAL_MFS,
COALESCE(D.TOTAL_MIS,0) AS TOTAL_MIS,
COALESCE(F.BEFORE_DUE_7_MCL,0) AS BEFORE_DUE_7_MCL,
COALESCE(G.BEFORE_DUE_7_MFS,0) AS BEFORE_DUE_7_MFS,
COALESCE(H.BEFORE_DUE_7_MIS,0) AS BEFORE_DUE_7_MIS,
COALESCE(I.PER1_MCL,0) AS PER1_MCL,
COALESCE(J.PER1_MFS,0) AS PER1_MFS,
COALESCE(K.PER1_MIS,0) AS PER1_MIS,
COALESCE(L.PER2_MCL,0) AS PER2_MCL,
COALESCE(M.PER2_MFS,0) AS PER2_MFS,
COALESCE(N.PER2_MIS,0) AS PER2_MIS,
COALESCE(O.PER3_MCL,0) AS PER3_MCL,
COALESCE(P.PER3_MFS,0) AS PER3_MFS,
COALESCE(R.PER3_MIS,0) AS PER3_MIS,
COALESCE(S.PER4_MCL,0) AS PER4_MCL,
COALESCE(T.PER4_MFS,0) AS PER4_MFS,
COALESCE(U.PER4_MIS,0) AS PER4_MIS,
COALESCE(V.PER5_MCL,0) AS PER5_MCL,
COALESCE(X.PER5_MFS,0) AS PER5_MFS,
COALESCE(Z.PER5_MIS,0) AS PER5_MIS,
COALESCE(Q.PER6_MCL,0) AS PER6_MCL,
COALESCE(Y.PER6_MFS,0) AS PER6_MFS,
COALESCE(W.PER6_MIS,0) AS PER6_MIS,
COALESCE(A1.PER7_MCL,0) AS PER7_MCL,
COALESCE(B1.PER7_MFS,0) AS PER7_MFS,
COALESCE(C1.PER7_MIS,0) AS PER7_MIS,
A.BEFORE_DUE_7,A.PER1,A.PER2,A.PER3,A.PER4,A.PER5,A.PER6,A.PER7,
CONCAT(A.DIVISION,'-',A.CLIENT_NUMBER) AS REF,"2" AS TYPE FROM
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,
GROUP_CONCAT(DISTINCT CLIENT_INFO SEPARATOR '<br>') AS CLIENT_INFO,
GROUP_CONCAT(DISTINCT CLIENT_NAME SEPARATOR '<br>') AS CLIENT_NAME,
GROUP_CONCAT( DISTINCT `PHONE_NUMBER` SEPARATOR '<br>' ) AS PHONE_NUMBER ,
GROUP_CONCAT( DISTINCT `ATTENTION_NAME` SEPARATOR '<br>' ) AS ATTENTION_NAME,
GROUP_CONCAT( DISTINCT `PAYMENT_TERM` SEPARATOR '<br>' ) AS PAYMENT_TERM,
CREDIT_LIMIT ,
GROUP_CONCAT( `LAST_PAY_DATE` SEPARATOR '<br>' ) AS LAST_PAY_DATE,
SUM( `TOTAL`*EXCHANGE_RATE ) AS TOTAL,
SUM( `BEFORE_DUE_7`*EXCHANGE_RATE ) AS BEFORE_DUE_7,
SUM( `PER1`*EXCHANGE_RATE ) AS PER1,
SUM( `PER2`*EXCHANGE_RATE ) AS PER2,
SUM( `PER3`*EXCHANGE_RATE ) AS PER3,
SUM( `PER4`*EXCHANGE_RATE ) AS PER4,
SUM( `PER5`*EXCHANGE_RATE ) AS PER5,
SUM( `PER6`*EXCHANGE_RATE ) AS PER6,
SUM( `PER7`*EXCHANGE_RATE ) AS PER7
FROM `t2`
WHERE REF IS NULL GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS A
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( `TOTAL`*EXCHANGE_RATE ) AS TOTAL_MCL
FROM `t2`
WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS B ON A.CLIENT_NUMBER=B.CLIENT_NUMBER AND
A.DIVISION=B.DIVISION AND A.RECEIVABLE_GROUP=B.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=B.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( `TOTAL`*EXCHANGE_RATE ) AS TOTAL_MFS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS C ON A.CLIENT_NUMBER=C.CLIENT_NUMBER
AND
A.DIVISION=C.DIVISION AND A.RECEIVABLE_GROUP=C.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=C.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( `TOTAL`*EXCHANGE_RATE ) AS TOTAL_MIS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS D ON A.CLIENT_NUMBER=D.CLIENT_NUMBER AND
A.DIVISION=D.DIVISION AND A.RECEIVABLE_GROUP=D.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=D.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( BEFORE_DUE_7*EXCHANGE_RATE ) AS BEFORE_DUE_7_MCL
FROM `t2`
WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS F ON A.CLIENT_NUMBER=F.CLIENT_NUMBER AND
A.DIVISION=F.DIVISION AND A.RECEIVABLE_GROUP=F.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=F.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( BEFORE_DUE_7*EXCHANGE_RATE ) AS BEFORE_DUE_7_MFS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS G ON A.CLIENT_NUMBER=G.CLIENT_NUMBER AND
A.DIVISION=G.DIVISION AND A.RECEIVABLE_GROUP=G.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=G.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( BEFORE_DUE_7*EXCHANGE_RATE ) AS BEFORE_DUE_7_MIS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS H ON A.CLIENT_NUMBER=H.CLIENT_NUMBER AND
A.DIVISION=H.DIVISION AND A.RECEIVABLE_GROUP=H.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=H.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER1*EXCHANGE_RATE ) AS PER1_MCL
FROM `t2`
WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS I ON A.CLIENT_NUMBER=I.CLIENT_NUMBER AND
A.DIVISION=I.DIVISION AND A.RECEIVABLE_GROUP=I.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=I.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER1*EXCHANGE_RATE ) AS PER1_MFS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS J ON A.CLIENT_NUMBER=J.CLIENT_NUMBER AND
A.DIVISION=J.DIVISION AND A.RECEIVABLE_GROUP=J.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=J.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER1*EXCHANGE_RATE ) AS PER1_MIS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS K ON A.CLIENT_NUMBER=K.CLIENT_NUMBER AND
A.DIVISION=K.DIVISION AND A.RECEIVABLE_GROUP=K.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=K.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER2*EXCHANGE_RATE ) AS PER2_MCL
FROM `t2`
WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS L ON A.CLIENT_NUMBER=L.CLIENT_NUMBER AND
A.DIVISION=L.DIVISION AND A.RECEIVABLE_GROUP=L.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=L.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER2*EXCHANGE_RATE ) AS PER2_MFS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS M ON A.CLIENT_NUMBER=M.CLIENT_NUMBER AND
A.DIVISION=M.DIVISION AND A.RECEIVABLE_GROUP=M.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=M.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER2*EXCHANGE_RATE ) AS PER2_MIS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS N ON A.CLIENT_NUMBER=N.CLIENT_NUMBER AND
A.DIVISION=N.DIVISION AND A.RECEIVABLE_GROUP=N.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=N.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER3*EXCHANGE_RATE ) AS PER3_MCL
FROM `t2`
WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS O ON A.CLIENT_NUMBER=O.CLIENT_NUMBER AND
A.DIVISION=O.DIVISION AND A.RECEIVABLE_GROUP=O.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=O.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER3*EXCHANGE_RATE ) AS PER3_MFS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS P ON A.CLIENT_NUMBER=P.CLIENT_NUMBER AND
A.DIVISION=P.DIVISION AND A.RECEIVABLE_GROUP=P.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=P.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER3*EXCHANGE_RATE ) AS PER3_MIS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS R ON A.CLIENT_NUMBER=R.CLIENT_NUMBER AND
A.DIVISION=R.DIVISION AND A.RECEIVABLE_GROUP=R.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=R.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER4*EXCHANGE_RATE ) AS PER4_MCL
FROM `t2`
WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS S ON A.CLIENT_NUMBER=S.CLIENT_NUMBER AND
A.DIVISION=S.DIVISION AND A.RECEIVABLE_GROUP=S.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=S.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER4*EXCHANGE_RATE ) AS PER4_MFS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS T ON A.CLIENT_NUMBER=T.CLIENT_NUMBER AND
A.DIVISION=T.DIVISION AND A.RECEIVABLE_GROUP=T.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=T.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER4*EXCHANGE_RATE ) AS PER4_MIS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS U ON A.CLIENT_NUMBER=U.CLIENT_NUMBER AND
A.DIVISION=U.DIVISION AND A.RECEIVABLE_GROUP=U.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=U.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER5*EXCHANGE_RATE ) AS PER5_MCL
FROM `t2`
WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS V ON A.CLIENT_NUMBER=V.CLIENT_NUMBER AND
A.DIVISION=V.DIVISION AND A.RECEIVABLE_GROUP=V.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=V.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER5*EXCHANGE_RATE ) AS PER5_MFS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS X ON A.CLIENT_NUMBER=X.CLIENT_NUMBER AND
A.DIVISION=X.DIVISION AND A.RECEIVABLE_GROUP=X.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=X.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER5*EXCHANGE_RATE ) AS PER5_MIS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS Z ON A.CLIENT_NUMBER=Z.CLIENT_NUMBER AND
A.DIVISION=Z.DIVISION AND A.RECEIVABLE_GROUP=Z.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=Z.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER6*EXCHANGE_RATE ) AS PER6_MCL
FROM `t2`
WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS Q ON A.CLIENT_NUMBER=Q.CLIENT_NUMBER AND
A.DIVISION=Q.DIVISION AND A.RECEIVABLE_GROUP=Q.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=Q.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER6*EXCHANGE_RATE ) AS PER6_MFS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS Y ON A.CLIENT_NUMBER=Y.CLIENT_NUMBER AND
A.DIVISION=Y.DIVISION AND A.RECEIVABLE_GROUP=Y.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=Y.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER6*EXCHANGE_RATE ) AS PER6_MIS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS W ON A.CLIENT_NUMBER=W.CLIENT_NUMBER AND
A.DIVISION=W.DIVISION AND A.RECEIVABLE_GROUP=W.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=W.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER7*EXCHANGE_RATE ) AS PER7_MCL
FROM `t2`
WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS A1 ON A.CLIENT_NUMBER=A1.CLIENT_NUMBER AND
A.DIVISION=A1.DIVISION AND A.RECEIVABLE_GROUP=A1.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=A1.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER7*EXCHANGE_RATE ) AS PER7_MFS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS B1 ON A.CLIENT_NUMBER=B1.CLIENT_NUMBER AND
A.DIVISION=B1.DIVISION AND A.RECEIVABLE_GROUP=B1.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=B1.CREDIT_LIMIT
LEFT JOIN
(SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER7*EXCHANGE_RATE ) AS PER7_MIS
FROM `t2`
WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS C1 ON A.CLIENT_NUMBER=C1.CLIENT_NUMBER AND
A.DIVISION=C1.DIVISION AND A.RECEIVABLE_GROUP=C1.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=C1.CREDIT_LIMIT
ORDER BY TOTAL DESC;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived3> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived4> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived5> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived6> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived7> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived8> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived9> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived10> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived11> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived12> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived13> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived14> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived15> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived16> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived17> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived18> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived19> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived20> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived21> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived22> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived23> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived24> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived25> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived26> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived27> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived28> system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived29> system NULL NULL NULL NULL 0 const row not found
29 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
28 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
27 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
26 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
25 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
24 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
23 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
22 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
21 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
20 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
19 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
18 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
17 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
16 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
15 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
14 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
13 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
12 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
11 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
10 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
9 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
8 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
7 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
6 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
5 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
4 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
3 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
2 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
DROP TABLES t1,t2;
set optimizer_switch=@save_derived_optimizer_switch;
#
# MDEV-10663: Use of Inline table columns in HAVING clause
# throws 1463 Error
#
set @save_sql_mode = @@sql_mode;
set sql_mode='ONLY_FULL_GROUP_BY,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION';
CREATE TABLE `example1463` (
`Customer` varchar(255) NOT NULL,
`DeliveryStatus` varchar(255) NOT NULL,
`OrderSize` int(11) NOT NULL
);
INSERT INTO example1463 VALUES ('Charlie', 'Success', 100);
INSERT INTO example1463 VALUES ('David', 'Success', 110);
INSERT INTO example1463 VALUES ('Charlie', 'Failed', 200);
INSERT INTO example1463 VALUES ('David', 'Success', 100);
INSERT INTO example1463 VALUES ('David', 'Unknown', 100);
INSERT INTO example1463 VALUES ('Edward', 'Success', 150);
INSERT INTO example1463 VALUES ('Edward', 'Pending', 150);
SELECT Customer, Success, SUM(OrderSize)
FROM (SELECT Customer,
CASE WHEN DeliveryStatus='Success' THEN 'Yes' ELSE 'No' END AS Success,
OrderSize
FROM example1463) as subQ
GROUP BY Success, Customer
WITH ROLLUP;
Customer Success SUM(OrderSize)
Charlie No 200
David No 100
Edward No 150
NULL No 450
Charlie Yes 100
David Yes 210
Edward Yes 150
NULL Yes 460
NULL NULL 910
SELECT Customer, Success, SUM(OrderSize)
FROM (SELECT Customer,
CASE WHEN DeliveryStatus='Success' THEN 'Yes' ELSE 'No' END AS Success,
OrderSize
FROM example1463) as subQ
GROUP BY Success, Customer;
Customer Success SUM(OrderSize)
Charlie No 200
David No 100
Edward No 150
Charlie Yes 100
David Yes 210
Edward Yes 150
SELECT Customer, Success, SUM(OrderSize)
FROM (SELECT Customer,
CASE WHEN DeliveryStatus='Success' THEN 'Yes' ELSE 'No' END AS Success,
OrderSize
FROM example1463) as subQ
GROUP BY Success, Customer
HAVING Success IS NOT NULL;
Customer Success SUM(OrderSize)
Charlie No 200
David No 100
Edward No 150
Charlie Yes 100
David Yes 210
Edward Yes 150
DROP TABLE example1463;
set sql_mode= @save_sql_mode;
#
# MDEV-9028: SELECT DISTINCT constant column of derived table
# used as the second operand of LEFT JOIN
#
create table t1 (id int, data varchar(255));
insert into t1 values (1,'yes'),(2,'yes');
select distinct t1.id, tt.id, tt.data
from t1
left join
(select t1.id, 'yes' as data from t1) as tt
on t1.id = tt.id;
id id data
1 1 yes
2 2 yes
select distinct t1.id, tt.id, tt.data
from t1
left join
(select t1.id, 'yes' as data from t1 where id > 1) as tt
on t1.id = tt.id;
id id data
2 2 yes
1 NULL NULL
drop table t1;
# end of 5.5
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