~drizzle-trunk/drizzle/development

insert into t1 values (1, NULL, NULL), (1, NULL, 'b'), (1, 1, NULL), (1, 1, 'b'), (1, 1, 'b'), (2, 1, 'a'), (2, 1, 'b'), (2, 2, 'a'), (2, 2, 'b'), (2, 3, 'c'),(1,3,'b');

292

294

explain select * from t1 where (a = 1 and b is null and c = 'b') or (a > 2) order by a desc;

293

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id select_type table type possible_keys key key_len ref rows Extra

294

1 SIMPLE t1 index a a 52 NULL 11 Using where; Using index

296

1 SIMPLE t1 index a a 22 NULL 11 Using where; Using index

295

297

select * from t1 where (a = 1 and b is null and c = 'b') or (a > 2) order by a desc;

296

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a b c

297

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1 NULL b

298

300

explain select * from t1 where a >= 1 and a < 3 order by a desc;

299

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id select_type table type possible_keys key key_len ref rows Extra

300

1 SIMPLE t1 range a a 4 NULL 5 Using where; Using index

302

1 SIMPLE t1 range a a 4 NULL 10 Using where; Using index

301

303

select * from t1 where a >= 1 and a < 3 order by a desc;

302

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a b c

303

305

2 3 c

331

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1 NULL b

332

334

explain select * from t1 where a >= 1 and a < 3 and b >0 order by a desc,b desc;

333

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id select_type table type possible_keys key key_len ref rows Extra

334

1 SIMPLE t1 range a a 9 NULL 5 Using where; Using index

336

1 SIMPLE t1 range a a 9 NULL 8 Using where; Using index

335

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explain select * from t1 where a = 2 and b >0 order by a desc,b desc;

336

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id select_type table type possible_keys key key_len ref rows Extra

337

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1 SIMPLE t1 range a a 9 NULL 5 Using where; Using index

347

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1 SIMPLE t1 range a a 9 NULL 5 Using where; Using index

348

350

explain select * from t1 where a = 2 and b < 2 order by a desc,b desc;

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id select_type table type possible_keys key key_len ref rows Extra

350

1 SIMPLE t1 range a a 9 NULL 1 Using where; Using index

352

1 SIMPLE t1 range a a 9 NULL 2 Using where; Using index

351

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explain select * from t1 where a = 1 order by b desc;

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id select_type table type possible_keys key key_len ref rows Extra

353

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1 SIMPLE t1 ref a a 4 const 5 Using where; Using index

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1 1 NULL

360

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1 NULL b

361

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1 NULL NULL

362

delete from t1 WHERE b IS NULL OR c IS NULL;

363

alter table t1 modify b bigint not null, modify c varchar(100) not null;

364

alter table t1 modify b int not null, modify c varchar(10) not null;

365

Warnings:

366

Warning 1265 Data truncated for column 'b' at row 1

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Warning 1265 Data truncated for column 'c' at row 1

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Warning 1265 Data truncated for column 'b' at row 2

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Warning 1265 Data truncated for column 'c' at row 3

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370

explain select * from t1 order by a, b, c;

365

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id select_type table type possible_keys key key_len ref rows Extra

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1 SIMPLE t1 index NULL a 414 NULL 8 Using index

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1 SIMPLE t1 index NULL a 20 NULL 11 Using index

367

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select * from t1 order by a, b, c;

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a b c

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1 0

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1 0 b

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1 1

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1 1 b

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1 1 b

371

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1 3 b

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385

2 3 c

377

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explain select * from t1 order by a desc, b desc, c desc;

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id select_type table type possible_keys key key_len ref rows Extra

379

1 SIMPLE t1 index NULL a 414 NULL 8 Using index

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1 SIMPLE t1 index NULL a 20 NULL 11 Using index

380

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select * from t1 order by a desc, b desc, c desc;

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a b c

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2 3 c

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396

1 3 b

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1 1 b

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1 1 b

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1 1

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1 0 b

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1 0

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explain select * from t1 where (a = 1 and b = 1 and c = 'b') or (a > 2) order by a desc;

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id select_type table type possible_keys key key_len ref rows Extra

392

1 SIMPLE t1 range a a 414 NULL 3 Using where; Using index

404

1 SIMPLE t1 range a a 20 NULL 3 Using where; Using index

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select * from t1 where (a = 1 and b = 1 and c = 'b') or (a > 2) order by a desc;

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a b c

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1 1 b

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1 1 b

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explain select * from t1 where a < 2 and b <= 1 order by a desc, b desc;

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id select_type table type possible_keys key key_len ref rows Extra

399

1 SIMPLE t1 range a a 4 NULL 3 Using where; Using index

411

1 SIMPLE t1 range a a 4 NULL 6 Using where; Using index

400

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select * from t1 where a < 2 and b <= 1 order by a desc, b desc;

401

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a b c

402

414

1 1 b

403

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1 1 b

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1 1

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1 0 b

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1 0

404

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select count(*) from t1 where a < 5 and b > 0;

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count(*)

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select * from t1 where a < 5 and b > 0 order by a desc,b desc;

408

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a b c

409

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2 3 c

414

429

1 3 b

415

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1 1 b

416

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1 1 b

432

1 1

417

433

explain select * from t1 where a between 1 and 3 and b <= 1 order by a desc, b desc;

418

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id select_type table type possible_keys key key_len ref rows Extra

419

1 SIMPLE t1 range a a 12 NULL 4 Using where; Using index

435

1 SIMPLE t1 range a a 8 NULL 10 Using where; Using index

420

436

select * from t1 where a between 1 and 3 and b <= 1 order by a desc, b desc;

421

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a b c

422

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2 1 b

423

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2 1 a

424

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1 1 b

425

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1 1 b

442

1 1

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1 0 b

444

1 0

426

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explain select * from t1 where a between 0 and 1 order by a desc, b desc;

427

446

id select_type table type possible_keys key key_len ref rows Extra

428

1 SIMPLE t1 range a a 4 NULL 3 Using where; Using index

447

1 SIMPLE t1 range a a 4 NULL 5 Using where; Using index

429

448

select * from t1 where a between 0 and 1 order by a desc, b desc;

430

449

a b c

431

450

1 3 b

432

451

1 1 b

433

452

1 1 b

453

1 1

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1 0 b

455

1 0

434

456

drop table t1;

435

CREATE TEMPORARY TABLE t1 (

436

gid int NOT NULL auto_increment,

437

cid int NOT NULL default '0',

457

CREATE TABLE t1 (

458

gid int(10) unsigned NOT NULL auto_increment,

459

cid smallint(5) unsigned NOT NULL default '0',

438

460

PRIMARY KEY (gid),

439

461

KEY component_id (cid)

440

462

) ENGINE=MyISAM;

441

463

INSERT INTO t1 VALUES (103853,108),(103867,108),(103962,108),(104505,108),(104619,108),(104620,108);

442

ALTER TABLE t1 add skr int not null;

443

CREATE TEMPORARY TABLE t2 (

444

gid int NOT NULL default '0',

445

uid int NOT NULL default '1',

446

sid int NOT NULL default '1',

464

ALTER TABLE t1 add skr int(10) not null;

465

CREATE TABLE t2 (

466

gid int(10) unsigned NOT NULL default '0',

467

uid smallint(5) unsigned NOT NULL default '1',

468

sid tinyint(3) unsigned NOT NULL default '1',

447

469

PRIMARY KEY (gid),

448

470

KEY uid (uid),

449

471

KEY status_id (sid)

450

472

) ENGINE=MyISAM;

451

473

INSERT INTO t2 VALUES (103853,250,5),(103867,27,5),(103962,27,5),(104505,117,5),(104619,75,5),(104620,15,5);

452

CREATE TEMPORARY TABLE t3 (

453

uid int NOT NULL auto_increment,

474

CREATE TABLE t3 (

475

uid smallint(6) NOT NULL auto_increment,

454

476

PRIMARY KEY (uid)

455

477

) ENGINE=MyISAM;

456

478

INSERT INTO t3 VALUES (1),(15),(27),(75),(117),(250);

457

ALTER TABLE t3 add skr int not null;

479

ALTER TABLE t3 add skr int(10) not null;

458

480

select t1.gid, t2.sid, t3.uid from t2, t1, t3 where t2.gid = t1.gid and t2.uid = t3.uid order by t3.uid, t1.gid;

459

481

gid sid uid

460

482

104620 5 15

471

493

104619 5 75

472

494

104505 5 117

473

495

103853 5 250

474

select t1.gid, t2.sid, t3.uid from t3, t2, t1 where t2.gid = t1.gid and t2.uid = t3.uid order by t1.gid, t3.uid;

475

gid sid uid

476

103853 5 250

477

103867 5 27

478

103962 5 27

479

104505 5 117

480

104619 5 75

481

104620 5 15

482

SELECT t1.gid, t3.uid from t1, t3 where t1.gid = t3.uid order by t1.gid,t3.skr;

483

gid uid

484

SELECT t1.gid, t2.sid, t3.uid from t2, t1, t3 where t2.gid = t1.gid and t2.uid = t3.uid order by t3.uid, t1.gid;

485

gid sid uid

486

104620 5 15

487

103867 5 27

488

103962 5 27

489

104619 5 75

490

104505 5 117

491

103853 5 250

492

SELECT t1.gid, t3.uid from t1, t3 where t1.gid = t3.uid order by t3.skr,t1.gid;

493

gid uid

494

SELECT t1.gid, t3.uid from t1, t3 where t1.skr = t3.uid order by t1.gid,t3.skr;

495

gid uid

496

EXPLAIN select t1.gid, t2.sid, t3.uid from t3, t2, t1 where t2.gid = t1.gid and t2.uid = t3.uid order by t1.gid, t3.uid;

497

id select_type table type possible_keys key key_len ref rows Extra

498

1 SIMPLE t2 ALL PRIMARY,uid NULL NULL NULL 6 Using temporary; Using filesort

499

1 SIMPLE t3 eq_ref PRIMARY PRIMARY 2 test.t2.uid 1 Using where; Using index

500

1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.gid 1 Using index

501

EXPLAIN SELECT t1.gid, t3.uid from t1, t3 where t1.gid = t3.uid order by t1.gid,t3.skr;

502

id select_type table type possible_keys key key_len ref rows Extra

503

1 SIMPLE t3 ALL PRIMARY NULL NULL NULL 6 Using temporary; Using filesort

504

1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t3.uid 1 Using where; Using index

505

EXPLAIN SELECT t1.gid, t2.sid, t3.uid from t2, t1, t3 where t2.gid = t1.gid and t2.uid = t3.uid order by t3.uid, t1.gid;

506

id select_type table type possible_keys key key_len ref rows Extra

507

1 SIMPLE t2 ALL PRIMARY,uid NULL NULL NULL 6 Using temporary; Using filesort

508

1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.gid 1 Using index

509

1 SIMPLE t3 eq_ref PRIMARY PRIMARY 2 test.t2.uid 1 Using where; Using index

510

EXPLAIN SELECT t1.gid, t3.uid from t1, t3 where t1.gid = t3.uid order by t3.skr,t1.gid;

511

id select_type table type possible_keys key key_len ref rows Extra

512

1 SIMPLE t3 ALL PRIMARY NULL NULL NULL 6 Using temporary; Using filesort

513

1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t3.uid 1 Using where; Using index

514

EXPLAIN SELECT t1.gid, t3.uid from t1, t3 where t1.skr = t3.uid order by t1.gid,t3.skr;

515

id select_type table type possible_keys key key_len ref rows Extra

516

1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using temporary; Using filesort

517

1 SIMPLE t3 eq_ref PRIMARY PRIMARY 2 test.t1.skr 1 Using index condition

496

518

drop table t1,t2,t3;

497

519

CREATE TABLE t1 (

498

520

`titre` char(80) NOT NULL default '',

499

`numeropost` int NOT NULL auto_increment,

500

`date` datetime,

521

`numeropost` mediumint(8) unsigned NOT NULL auto_increment,

522

`date` datetime NOT NULL default '0000-00-00 00:00:00',

501

523

`auteur` char(35) NOT NULL default '',

502

`icone` int NOT NULL default '0',

524

`icone` tinyint(2) unsigned NOT NULL default '0',

503

525

`lastauteur` char(35) NOT NULL default '',

504

`nbrep` int NOT NULL default '0',

526

`nbrep` smallint(6) unsigned NOT NULL default '0',

505

527

`dest` char(35) NOT NULL default '',

506

`lu` int NOT NULL default '0',

507

`vue` int NOT NULL default '0',

508

`ludest` int NOT NULL default '0',

509

`ouvert` int NOT NULL default '1',

528

`lu` tinyint(1) unsigned NOT NULL default '0',

529

`vue` mediumint(8) unsigned NOT NULL default '0',

530

`ludest` tinyint(1) unsigned NOT NULL default '0',

531

`ouvert` tinyint(1) unsigned NOT NULL default '1',

510

532

PRIMARY KEY (`numeropost`),

511

533

KEY `date` (`date`),

512

534

KEY `dest` (`dest`,`ludest`),

513

535

KEY `auteur` (`auteur`,`lu`),

514

536

KEY `auteur_2` (`auteur`,`date`),

515

537

KEY `dest_2` (`dest`,`date`)

516

);

538

) CHECKSUM=1;

517

539

CREATE TABLE t2 (

518

`numeropost` int NOT NULL default '0',

540

`numeropost` mediumint(8) unsigned NOT NULL default '0',

519

541

`pseudo` char(35) NOT NULL default '',

520

542

PRIMARY KEY (`numeropost`,`pseudo`),

521

543

KEY `pseudo` (`pseudo`)

524

546

INSERT INTO t2 (numeropost,pseudo) VALUES (1,'joce'),(1,'bug');

525

547

SELECT titre,t1.numeropost,auteur,icone,nbrep,0,date,vue,ouvert,lastauteur,dest FROM t2 LEFT JOIN t1 USING(numeropost) WHERE t2.pseudo='joce' ORDER BY date DESC LIMIT 0,30;

526

548

titre numeropost auteur icone nbrep 0 date vue ouvert lastauteur dest

527

test 1 joce 0 0 0 NULL 0 1 bug

549

test 1 joce 0 0 0 0000-00-00 00:00:00 0 1 bug

528

550

SELECT titre,numeropost,auteur,icone,nbrep,0,date,vue,ouvert,lastauteur,dest FROM t2 LEFT JOIN t1 USING(numeropost) WHERE t2.pseudo='joce' ORDER BY date DESC LIMIT 0,30;

529

551

titre numeropost auteur icone nbrep 0 date vue ouvert lastauteur dest

530

test 1 joce 0 0 0 NULL 0 1 bug

552

test 1 joce 0 0 0 0000-00-00 00:00:00 0 1 bug

531

553

SELECT titre,t1.numeropost,auteur,icone,nbrep,'0',date,vue,ouvert,lastauteur,dest FROM t2 LEFT JOIN t1 USING(numeropost) WHERE t2.pseudo='joce' ORDER BY date DESC LIMIT 0,30;

532

554

titre numeropost auteur icone nbrep 0 date vue ouvert lastauteur dest

533

test 1 joce 0 0 0 NULL 0 1 bug

555

test 1 joce 0 0 0 0000-00-00 00:00:00 0 1 bug

534

556

SELECT titre,numeropost,auteur,icone,nbrep,'0',date,vue,ouvert,lastauteur,dest FROM t2 LEFT JOIN t1 USING(numeropost) WHERE t2.pseudo='joce' ORDER BY date DESC LIMIT 0,30;

535

557

titre numeropost auteur icone nbrep 0 date vue ouvert lastauteur dest

536

test 1 joce 0 0 0 NULL 0 1 bug

558

test 1 joce 0 0 0 0000-00-00 00:00:00 0 1 bug

537

559

drop table t1,t2;

538

560

CREATE TABLE t1 (a int, b int);

539

561

INSERT INTO t1 VALUES (1, 2);

561

583

5 NULL

562

584

DROP TABLE t1;

563

585

create table t1(id int not null auto_increment primary key, t char(12));

564

select id,t from t1 force index (primary) order by id;

565

id t

566

1 1000

567

2 999

568

3 998

569

4 997

570

5 996

571

6 995

572

7 994

573

8 993

574

9 992

575

10 991

576

11 990

577

12 989

578

13 988

579

14 987

580

15 986

581

16 985

582

17 984

583

18 983

584

19 982

585

20 981

586

21 980

587

22 979

588

23 978

589

24 977

590

25 976

591

26 975

592

27 974

593

28 973

594

29 972

595

30 971

596

31 970

597

32 969

598

33 968

599

34 967

600

35 966

601

36 965

602

37 964

603

38 963

604

39 962

605

40 961

606

41 960

607

42 959

608

43 958

609

44 957

610

45 956

611

46 955

612

47 954

613

48 953

614

49 952

615

50 951

616

51 950

617

52 949

618

53 948

619

54 947

620

55 946

621

56 945

622

57 944

623

58 943

624

59 942

625

60 941

626

61 940

627

62 939

628

63 938

629

64 937

630

65 936

631

66 935

632

67 934

633

68 933

634

69 932

635

70 931

636

71 930

637

72 929

638

73 928

639

74 927

640

75 926

641

76 925

642

77 924

643

78 923

644

79 922

645

80 921

646

81 920

647

82 919

648

83 918

649

84 917

650

85 916

651

86 915

652

87 914

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88 913

654

89 912

655

90 911

656

91 910

657

92 909

658

93 908

659

94 907

660

95 906

661

96 905

662

97 904

663

98 903

664

99 902

665

100 901

666

101 900

667

102 899

668

103 898

669

104 897

670

105 896

671

106 895

672

107 894

673

108 893

674

109 892

675

110 891

676

111 890

677

112 889

678

113 888

679

114 887

680

115 886

681

116 885

682

117 884

683

118 883

684

119 882

685

120 881

686

121 880

687

122 879

688

123 878

689

124 877

690

125 876

691

126 875

692

127 874

693

128 873

694

129 872

695

130 871

696

131 870

697

132 869

698

133 868

699

134 867

700

135 866

701

136 865

702

137 864

703

138 863

704

139 862

705

140 861

706

141 860

707

142 859

708

143 858

709

144 857

710

145 856

711

146 855

712

147 854

713

148 853

714

149 852

715

150 851

716

151 850

717

152 849

718

153 848

719

154 847

720

155 846

721

156 845

722

157 844

723

158 843

724

159 842

725

160 841

726

161 840

727

162 839

728

163 838

729

164 837

730

165 836

731

166 835

732

167 834

733

168 833

734

169 832

735

170 831

736

171 830

737

172 829

738

173 828

739

174 827

740

175 826

741

176 825

742

177 824

743

178 823

744

179 822

745

180 821

746

181 820

747

182 819

748

183 818

749

184 817

750

185 816

751

186 815

752

187 814

753

188 813

754

189 812

755

190 811

756

191 810

757

192 809

758

193 808

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194 807

760

195 806

761

196 805

762

197 804

763

198 803

764

199 802

765

200 801

766

201 800

767

202 799

768

203 798

769

204 797

770

205 796

771

206 795

772

207 794

773

208 793

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209 792

775

210 791

776

211 790

777

212 789

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213 788

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214 787

780

215 786

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216 785

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217 784

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218 783

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219 782

785

220 781

786

221 780

787

222 779

788

223 778

789

224 777

790

225 776

791

226 775

792

227 774

793

228 773

794

229 772

795

230 771

796

231 770

797

232 769

798

233 768

799

234 767

800

235 766

801

236 765

802

237 764

803

238 763

804

239 762

805

240 761

806

241 760

807

242 759

808

243 758

809

244 757

810

245 756

811

246 755

812

247 754

813

248 753

814

249 752

815

250 751

816

251 750

817

252 749

818

253 748

819

254 747

820

255 746

821

256 745

822

257 744

823

258 743

824

259 742

825

260 741

826

261 740

827

262 739

828

263 738

829

264 737

830

265 736

831

266 735

832

267 734

833

268 733

834

269 732

835

270 731

836

271 730

837

272 729

838

273 728

839

274 727

840

275 726

841

276 725

842

277 724

843

278 723

844

279 722

845

280 721

846

281 720

847

282 719

848

283 718

849

284 717

850

285 716

851

286 715

852

287 714

853

288 713

854

289 712

855

290 711

856

291 710

857

292 709

858

293 708

859

294 707

860

295 706

861

296 705

862

297 704

863

298 703

864

299 702

865

300 701

866

301 700

867

302 699

868

303 698

869

304 697

870

305 696

871

306 695

872

307 694

873

308 693

874

309 692

875

310 691

876

311 690

877

312 689

878

313 688

879

314 687

880

315 686

881

316 685

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317 684

883

318 683

884

319 682

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320 681

886

321 680

887

322 679

888

323 678

889

324 677

890

325 676

891

326 675

892

327 674

893

328 673

894

329 672

895

330 671

896

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1565

1000 1

586

explain select id,t from t1 order by id;

587

id select_type table type possible_keys key key_len ref rows Extra

588

1 SIMPLE t1 ALL NULL NULL NULL NULL 1000 Using filesort

589

explain select id,t from t1 force index (primary) order by id;

590

id select_type table type possible_keys key key_len ref rows Extra

591

1 SIMPLE t1 index NULL PRIMARY 4 NULL 1000

1566

592

drop table t1;

1567

593

CREATE TABLE t1 (

1568

594

FieldKey varchar(36) NOT NULL default '',

1569

LongVal bigint default NULL,

1570

StringVal text,

595

LongVal bigint(20) default NULL,

596

StringVal mediumtext,

1571

597

KEY FieldKey (FieldKey),

1572

598

KEY LongField (FieldKey,LongVal),

1573

599

KEY StringField (FieldKey,StringVal(32))

1574

600

);

1575

601

INSERT INTO t1 VALUES ('0',3,'0'),('0',2,'1'),('0',1,'2'),('1',2,'1'),('1',1,'3'), ('1',0,'2'),('2',3,'0'),('2',2,'1'),('2',1,'2'),('2',3,'0'),('2',2,'1'),('2',1,'2'),('3',2,'1'),('3',1,'2'),('3','3','3');

602

EXPLAIN SELECT * FROM t1 WHERE FieldKey = '1' ORDER BY LongVal;

603

id select_type table type possible_keys key key_len ref rows Extra

604

1 SIMPLE t1 ref FieldKey,LongField,StringField LongField 38 const 3 Using where

1576

605

SELECT * FROM t1 WHERE FieldKey = '1' ORDER BY LongVal;

1577

606

FieldKey LongVal StringVal

1578

607

1 0 2

1579

608

1 1 3

1580

609

1 2 1

610

EXPLAIN SELECT * FROM t1 ignore index (FieldKey, LongField) WHERE FieldKey > '2' ORDER BY LongVal;

611

id select_type table type possible_keys key key_len ref rows Extra

612

1 SIMPLE t1 range StringField StringField 38 NULL 4 Using where; Using filesort

1581

613

SELECT * FROM t1 WHERE FieldKey > '2' ORDER BY LongVal;

1582

614

FieldKey LongVal StringVal

1583

615

3 1 2

1584

616

3 2 1

1585

617

3 3 3

618

EXPLAIN SELECT * FROM t1 WHERE FieldKey > '2' ORDER BY FieldKey, LongVal;

619

id select_type table type possible_keys key key_len ref rows Extra

620

1 SIMPLE t1 range FieldKey,LongField,StringField LongField 38 NULL 4 Using where

1586

621

SELECT * FROM t1 WHERE FieldKey > '2' ORDER BY FieldKey, LongVal;

1587

622

FieldKey LongVal StringVal

1588

623

3 1 2

1593

628

SET @id=0;

1594

629

UPDATE t1 SET a=0 ORDER BY (a=@id), b;

1595

630

DROP TABLE t1;

1596

CREATE TEMPORARY TABLE t1 ( id int NOT NULL default '0', menu int NOT NULL default '0', KEY id (id), KEY menu (menu)) ENGINE=MyISAM;

631

CREATE TABLE t1 ( id smallint(6) unsigned NOT NULL default '0', menu tinyint(4) NOT NULL default '0', KEY id (id), KEY menu (menu)) ENGINE=MyISAM;

1597

632

INSERT INTO t1 VALUES (11384, 2),(11392, 2);

1598

633

SELECT id FROM t1 WHERE id <11984 AND menu =2 ORDER BY id DESC LIMIT 1 ;

1599

634

1603

638

insert into t1 values (2, 1), (1, 1), (4, NULL), (3, NULL), (6, 2), (5, 2);

1604

639

explain select * from t1 where b=1 or b is null order by a;

1605

640

id select_type table type possible_keys key key_len ref rows Extra

1606

1 SIMPLE t1 ALL b NULL NULL NULL 6 Using where; Using filesort

641

1 SIMPLE t1 ref_or_null b b 5 const 3 Using filesort

1607

642

select * from t1 where b=1 or b is null order by a;

1608

643

a b

1609

644

1 1

1612

647

4 NULL

1613

648

explain select * from t1 where b=2 or b is null order by a;

1614

649

id select_type table type possible_keys key key_len ref rows Extra

1615

1 SIMPLE t1 ALL b NULL NULL NULL 6 Using where; Using filesort

650

1 SIMPLE t1 ref_or_null b b 5 const 4 Using filesort

1616

651

select * from t1 where b=2 or b is null order by a;

1617

652

a b

1618

653

3 NULL

1634

669

insert into t1 select null, b, c, d from t2;

1635

670

insert into t2 select null, b, c, d from t1;

1636

671

insert into t1 select null, b, c, d from t2;

1637

alter table t1 engine="default";

672

optimize table t1;

673

Table Op Msg_type Msg_text

674

test.t1 optimize status OK

1638

675

set @row=10;

1639

676

insert into t1 select 1, b, c + (@row:=@row - 1) * 10, d - @row from t2 limit 10;

1640

677

select * from t1 where a=1 and b in (1) order by c, b, a;

1718

755

set max_sort_length=20;

1719

756

select a from t1 order by a;

1720

757

758

xxxxxxxxxxxxxxxxxxxab

759

xxxxxxxxxxxxxxxxxxxaa

1721

760

xxxxxxxxxxxxxxxxxxxx

1722

761

xxxxxxxxxxxxxxxxxxxz

1723

xxxxxxxxxxxxxxxxxxxab

1724

xxxxxxxxxxxxxxxxxxxaa

1725

762

drop table t1;

1726

create temporary table t1 (

763

create table t1 (

1727

764

`sid` decimal(8,0) default null,

1728

765

`wnid` varchar(11) not null default '',

1729

766

key `wnid14` (`wnid`(4)),

1730

767

key `wnid` (`wnid`)

1731

) engine=myisam;

768

) engine=myisam default charset=latin1;

1732

769

insert into t1 (`sid`, `wnid`) values

1733

770

('10100','01019000000'),('37986','01019000000'),('37987','01019010000'),

1734

771

('39560','01019090000'),('37989','01019000000'),('37990','01019011000'),

1747

784

('25295','02071491000'),('25296','02071491000'),('25297','02071499000');

1748

785

explain select * from t1 where wnid like '0101%' order by wnid;

1749

786

id select_type table type possible_keys key key_len ref rows Extra

1750

1 SIMPLE t1 range wnid14,wnid wnid 46 NULL 10 Using where

787

1 SIMPLE t1 range wnid14,wnid wnid 13 NULL 10 Using where

1751

788

select * from t1 where wnid like '0101%' order by wnid;

1752

789

sid wnid

1753

790

10100 01019000000

1838

875

ERROR 42S22: Unknown column 'num' in 'on clause'

1839

876

DROP TABLE t1;

1840

877

CREATE TABLE bug25126 (

1841

val int NOT NULL AUTO_INCREMENT PRIMARY KEY

878

val int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY

1842

879

);

1843

880

UPDATE bug25126 SET MissingCol = MissingCol;

1844

881

ERROR 42S22: Unknown column 'MissingCol' in 'field list'

2005

1042

19 1.3333

2006

1043

9 2.6667

2007

1044

drop table t1;

1045

CREATE TABLE t1 (a INT UNSIGNED NOT NULL, b TIME);

1046

INSERT INTO t1 (a) VALUES (100000), (0), (100), (1000000),(10000), (1000), (10);

1047

UPDATE t1 SET b = SEC_TO_TIME(a);

1048

SELECT a, b FROM t1 ORDER BY b DESC;

1049

a b

1050

1000000 277:46:40

1051

100000 27:46:40

1052

10000 02:46:40

1053

1000 00:16:40

1054

100 00:01:40

1055

10 00:00:10

1056

0 00:00:00

1057

SELECT a, b FROM t1 ORDER BY SEC_TO_TIME(a) DESC;

1058

a b

1059

1000000 277:46:40

1060

100000 27:46:40

1061

10000 02:46:40

1062

1000 00:16:40

1063

100 00:01:40

1064

10 00:00:10

1065

0 00:00:00

1066

DROP TABLE t1;

2008

1067

CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a), UNIQUE KEY b (b));

2009

1068

INSERT INTO t1 VALUES (1,1),(2,2);

2010

1069

CREATE TABLE t2 (a INT, b INT, KEY a (a,b));

2011

1070

INSERT INTO t2 VALUES (1,1),(1,2),(2,1),(2,2);

2012

SELECT 1 FROM t1,t2 WHERE t1.b=2 AND t1.a=t2.a ORDER BY t2.b;

2013

2014

2015

1071

EXPLAIN SELECT 1 FROM t1,t2 WHERE t1.b=2 AND t1.a=t2.a ORDER BY t2.b;

1072

id select_type table type possible_keys key key_len ref rows Extra

1073

1 SIMPLE t1 const PRIMARY,b b 5 const 1

1074

1 SIMPLE t2 ref a a 5 const 2 Using where; Using index

1075

DROP TABLE t1,t2;

1076

CREATE TABLE t1(

1077

id int auto_increment PRIMARY KEY, c2 int, c3 int, INDEX k2(c2), INDEX k3(c3));

1078

INSERT INTO t1 (c2,c3) VALUES

1079

(31,34),(35,38),(34,31),(32,35),(31,39),

1080

(11,14),(15,18),(14,11),(12,15),(11,19);

1081

INSERT INTO t1 (c2,c3) SELECT c2,c3 FROM t1;

1082

INSERT INTO t1 (c2,c3) SELECT c2,c3 FROM t1;

1083

INSERT INTO t1 (c2,c3) SELECT c2,c3 FROM t1;

1084

INSERT INTO t1 (c2,c3) SELECT c2,c3 FROM t1;

1085

INSERT INTO t1 (c2,c3) SELECT c2,c3 FROM t1;

1086

INSERT INTO t1 (c2,c3) SELECT c2,c3 FROM t1;

1087

INSERT INTO t1 (c2,c3) SELECT c2,c3 FROM t1;

1088

INSERT INTO t1 (c2,c3) SELECT c2,c3 FROM t1;

1089

INSERT INTO t1 (c2,c3) SELECT c2,c3 FROM t1;

1090

INSERT INTO t1 (c2,c3) SELECT c2,c3 FROM t1;

1091

INSERT INTO t1 (c2,c3) SELECT c2,c3 FROM t1;

1092

INSERT INTO t1 (c2,c3) SELECT c2,c3 FROM t1;

1093

UPDATE t1 SET c2=20 WHERE id%100 = 0;

1094

SELECT COUNT(*) FROM t1;

1095

COUNT(*)

1096

40960

1097

CREATE TABLE t2 LIKE t1;

1098

INSERT INTO t2 SELECT * FROM t1 ORDER BY id;

1099

EXPLAIN SELECT id,c3 FROM t2 WHERE c2=11 ORDER BY c3 LIMIT 20;

1100

id select_type table type possible_keys key key_len ref rows Extra

1101

1 SIMPLE t2 index k2 k3 5 NULL 111 Using where

1102

EXPLAIN SELECT id,c3 FROM t2 WHERE c2=11 ORDER BY c3 LIMIT 4000;

1103

id select_type table type possible_keys key key_len ref rows Extra

1104

1 SIMPLE t2 ref k2 k2 5 const 7341 Using where; Using filesort

1105

EXPLAIN SELECT id,c3 FROM t2 WHERE c2 BETWEEN 10 AND 12 ORDER BY c3 LIMIT 20;

1106

id select_type table type possible_keys key key_len ref rows Extra

1107

1 SIMPLE t2 index k2 k3 5 NULL 73 Using where

1108

EXPLAIN SELECT id,c3 FROM t2 WHERE c2 BETWEEN 20 AND 30 ORDER BY c3 LIMIT 4000;

1109

id select_type table type possible_keys key key_len ref rows Extra

1110

1 SIMPLE t2 range k2 k2 5 NULL 386 Using index condition; Using where; Using MRR; Using filesort

1111

SELECT id,c3 FROM t2 WHERE c2=11 ORDER BY c3 LIMIT 20;

1112

id c3

1113

6 14

1114

16 14

1115

26 14

1116

36 14

1117

46 14

1118

56 14

1119

66 14

1120

76 14

1121

86 14

1122

96 14

1123

106 14

1124

116 14

1125

126 14

1126

136 14

1127

146 14

1128

156 14

1129

166 14

1130

176 14

1131

186 14

1132

196 14

2016

1133

DROP TABLE t1,t2;

2017

1134

CREATE TABLE t1 (

2018

1135

a INT,

2026

1143

INSERT INTO t1 SELECT a +16, b +16 FROM t1;

2027

1144

INSERT INTO t1 SELECT a +32, b +32 FROM t1;

2028

1145

INSERT INTO t1 SELECT a +64, b +64 FROM t1;

1146

EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR GROUP BY (a, ab) GROUP BY a;

1147

id select_type table type possible_keys key key_len ref rows Extra

1148

1 SIMPLE t1 range NULL ab 4 NULL 10 Using index for group-by

2029

1149

SELECT a FROM t1 IGNORE INDEX FOR GROUP BY (a, ab) GROUP BY a;

2030

ERROR 42000: Key 'a' doesn't exist in table 't1'

2031

SELECT a FROM t1 IGNORE INDEX FOR GROUP BY (primary, ab) GROUP BY a;

2032

1150

2033

1151

2034

1152

2160

1278

128

2161

1279

SELECT @tmp_tables_after = @tmp_tables_before ;

2162

1280

@tmp_tables_after = @tmp_tables_before

2163

NULL

1281

1282

EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (a, ab) ORDER BY a;

1283

id select_type table type possible_keys key key_len ref rows Extra

1284

1 SIMPLE t1 index NULL PRIMARY 4 NULL 128 Using index

2164

1285

SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (a, ab) ORDER BY a;

2165

ERROR 42000: Key 'a' doesn't exist in table 't1'

2166

SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (primary, ab) ORDER BY a;

2167

1286

2168

1287

2169

1288

2295

1414

128

2296

1415

SELECT @tmp_tables_after = @tmp_tables_before;

2297

1416

@tmp_tables_after = @tmp_tables_before

2298

NULL

1417

2299

1418

DROP TABLE t1;

2300

1419

2301

1420

# Bug#31590: Wrong error message on sort buffer being too small.

2302

1421

2303

create table t1(a int, b text);

1422

create table t1(a int, b tinytext);

2304

1423

insert into t1 values (1,2),(3,2);

2305

1424

set session sort_buffer_size= 30000;

2306

1425

Warnings:

2307

Error 1292 Truncated incorrect sort_buffer_size value: '30000'

1426

Warning 1292 Truncated incorrect sort_buffer_size value: '30000'

2308

1427

set session max_sort_length= 2180;

2309

1428

select * from t1 order by b;

2310

a b

2311

1 2

2312

3 2

1429

ERROR HY001: Out of sort memory; increase server sort buffer size

2313

1430

drop table t1;

2314

CREATE TABLE t2 (a varchar(32), b int, c float, d double,

1431

CREATE TABLE t2 (a varchar(32), b int(11), c float, d double,

2315

1432

UNIQUE KEY a (a,b,c), KEY b (b), KEY c (c));

2316

1433

CREATE TABLE t1 (a varchar(32), b char(3), UNIQUE KEY a (a,b), KEY b (b));

2317

1434

CREATE TABLE t3 (a varchar(32), b char(3), UNIQUE KEY a (a,b));

2318

1435

INSERT INTO t3 SELECT * FROM t1;

1436

EXPLAIN

1437

SELECT d FROM t1, t2

1438

WHERE t2.b=14 AND t2.a=t1.a AND 5.1<t2.c AND t1.b='DE'

1439

ORDER BY t2.c LIMIT 1;

1440

id select_type table type possible_keys key key_len ref rows Extra

1441

1 SIMPLE t1 ref a,b b 4 const 4 Using index condition; Using temporary; Using filesort

1442

1 SIMPLE t2 ref a,b,c a 40 test.t1.a,const 11 Using index condition

2319

1443

SELECT d FROM t1, t2

2320

1444

WHERE t2.b=14 AND t2.a=t1.a AND 5.1<t2.c AND t1.b='DE'

2321

1445

ORDER BY t2.c LIMIT 1;

2322

1446

2323

1447

52.5

1448

EXPLAIN

1449

SELECT d FROM t3 AS t1, t2 AS t2

1450

WHERE t2.b=14 AND t2.a=t1.a AND 5.1<t2.c AND t1.b='DE'

1451

ORDER BY t2.c LIMIT 1;

1452

id select_type table type possible_keys key key_len ref rows Extra

1453

1 SIMPLE t2 range a,b,c c 5 NULL 420 Using where; Using MRR

1454

1 SIMPLE t1 ref a a 39 test.t2.a,const 10 Using where; Using index

2324

1455

SELECT d FROM t3 AS t1, t2 AS t2

2325

1456

WHERE t2.b=14 AND t2.a=t1.a AND 5.1<t2.c AND t1.b='DE'

2326

1457

ORDER BY t2.c LIMIT 1;

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