#创建测试的test表

DROP TABLE IF EXISTS test;

CREATE TABLE test(

    ID INT(10) NOT NULL,

    `Name` VARCHAR(20) DEFAULT '' NOT NULL,

    PRIMARY KEY( ID )

)ENGINE=INNODB DEFAULT CHARSET utf8; 

#创建生成测试数据的存储过程

DROP PROCEDURE IF EXISTS pre_test;

DELIMITER //

CREATE PROCEDURE pre_test()

BEGIN

DECLARE i INT DEFAULT 0;

SET autocommit = 0;

WHILE i<10000000 DO

INSERT INTO test ( ID,`Name` ) VALUES( i, CONCAT( 'Carl', i ) );

SET i = i+1;

IF i%2000 = 0 THEN

COMMIT;

END IF;

END WHILE;

END; //

DELIMITER ;

#执行存储过程生成测试数据

CALL pre_test();

#A组

#in和or中有3条数据的情况

SELECT * FROM test WHERE id IN (1,23,48);

SELECT * FROM test WHERE id =1 OR id=23 OR id=48;

#B组

#in和or中有150条数据的情况

SELECT * FROM test WHERE id IN (59617932,98114476,89047409,26968186,56586105,35488201,53251989,18182139,71164231,57655852,7948544,60658339,50758185,66667117,34771253,68699137,27877290,44275282,1585444,71219424,90937482,83928635,24588528,81933207,9607562,12013895,84640278,85549596,53249244,8567444,85402877,15040223,54266509,17718135,91687882,22930500,94756430,66031097,13084573,18137443,89917778,46845456,43939093,35943480,18213703,46362815,49835919,83137546,2101409,74932951,11984477,93113331,77848222,68546065,33728734,90793684,44975642,61387237,52483391,97716233,49449060,22411182,30776331,60597240,6911731,45789095,62075344,8379933,97910423,86861971,81342386,93423963,83852896,18566482,22747687,51420625,75862064,26402882,93958561,85202979,97049369,67674725,9475653,92302381,78133617,49295001,36517340,81387142,15707241,60832834,93157830,64171432,58537826,70141767,7326025,36632075,9639624,8900056,99702164,35108945,87820933,57302965,16652391,41845132,62184393,70136913,79574630,32562398,94616790,61258220,73162018,81644480,19453596,97380163,1204733,33357040,84854495,13888863,49041868,89272326,38405345,571248,6349029,70755321,79307694,60619684,92624181,73135306,23279848,95612954,55845916,6223606,43836918,37459781,67969314,99398872,7616960,37189193,50151920,62881879,12364637,33204320,27135672,28441504,47373461,87967926,30631796,20053540,18735984,83406724);

SELECT * FROM test WHERE id=59617932 OR id=98114476 OR id=89047409 OR id=26968186 OR id=56586105 OR id=35488201 OR id=53251989 OR id=18182139 OR id=71164231 OR id=57655852 OR id=7948544 OR id=60658339 OR id=50758185 OR id=66667117 OR id=34771253 OR id=68699137 OR id=27877290 OR id=44275282 OR id=1585444 OR id=71219424 OR id=90937482 OR id=83928635 OR id=24588528 OR id=81933207 OR id=9607562 OR id=12013895 OR id=84640278 OR id=85549596 OR id=53249244 OR id=8567444 OR id=85402877 OR id=15040223 OR id=54266509 OR id=17718135 OR id=91687882 OR id=22930500 OR id=94756430 OR id=66031097 OR id=13084573 OR id=18137443 OR id=89917778 OR id=46845456 OR id=43939093 OR id=35943480 OR id=18213703 OR id=46362815 OR id=49835919 OR id=83137546 OR id=2101409 OR id=74932951 OR id=11984477 OR id=93113331 OR id=77848222 OR id=68546065 OR id=33728734 OR id=90793684 OR id=44975642 OR id=61387237 OR id=52483391 OR id=97716233 OR id=49449060 OR id=22411182 OR id=30776331 OR id=60597240 OR id=6911731 OR id=45789095 OR id=62075344 OR id=8379933 OR id=97910423 OR id=86861971 OR id=81342386 OR id=93423963 OR id=83852896 OR id=18566482 OR id=22747687 OR id=51420625 OR id=75862064 OR id=26402882 OR id=93958561 OR id=85202979 OR id=97049369 OR id=67674725 OR id=9475653 OR id=92302381 OR id=78133617 OR id=49295001 OR id=36517340 OR id=81387142 OR id=15707241 OR id=60832834 OR id=93157830 OR id=64171432 OR id=58537826 OR id=70141767 OR id=7326025 OR id=36632075 OR id=9639624 OR id=8900056 OR id=99702164 OR id=35108945 OR id=87820933 OR id=57302965 OR id=16652391 OR id=41845132 OR id=62184393 OR id=70136913 OR id=79574630 OR id=32562398 OR id=94616790 OR id=61258220 OR id=73162018 OR id=81644480 OR id=19453596 OR id=97380163 OR id=1204733 OR id=33357040 OR id=84854495 OR id=13888863 OR id=49041868 OR id=89272326 OR id=38405345 OR id=571248 OR id=6349029 OR id=70755321 OR id=79307694 OR id=60619684 OR id=92624181 OR id=73135306 OR id=23279848 OR id=95612954 OR id=55845916 OR id=6223606 OR id=43836918 OR id=37459781 OR id=67969314 OR id=99398872 OR id=7616960 OR id=37189193 OR id=50151920 OR id=62881879 OR id=12364637 OR id=33204320 OR id=27135672 OR id=28441504 OR id=47373461 OR id=87967926 OR id=30631796 OR id=20053540 OR id=18735984 OR id=83406724;

#C组

#in和or中有300条数据的情况

SELECT * FROM test WHERE id IN (37092877,94859722,74276090,8763830,38727241,95732954,93414819,55070016,3591352,73857925,92290525,15210159,83905516,54934589,83004136,31442143,6060569,22209206,27649629,11464943,77822402,28714780,10058522,62252663,13751461,38997875,47320577,64507359,36137908,54297630,97411161,56542672,22017966,55190708,70072386,24300664,93413617,23621629,74772508,62774612,43001947,46161388,85563006,70177147,63960440,18001207,81734850,10635060,6551152,54877885,44426798,73950635,18713144,21690065,82153543,26048520,79954773,22411093,97307339,74193176,1413532,88006544,36062746,24043946,17132007,95958217,26112542,27303972,17247403,56778979,60928031,69369613,90584759,86234538,41726089,25315005,27568726,25091624,15307765,83130887,42726438,75872353,18991223,47819224,75457713,54659391,54889687,65229322,17124556,38376043,1989975,45973571,48597804,58632319,43388664,97010450,94745635,13217373,40472912,40220510,58319808,48228318,48936085,86281500,65466706,96815281,11751559,50188155,76649755,35315411,20360954,17739218,10918461,51429591,41447650,65170472,26810295,80912347,17157209,75851858,61150903,4408208,61200404,6655467,66863737,51549112,61951371,14368308,14663119,8762531,31765056,30560647,41048147,95526521,94929131,56881239,79014587,62705983,15892901,66151473,98846144,79336731,35949035,26250054,97536202,40575682,6965144,91059908,97939380,30854180,1965937,17193347,76584991,70467475,6559872,97386594,13939914,20379091,84906436,45989448,17337270,4949675,96963499,12561575,77153018,73213368,68283041,33977574,86290771,70381017,73095085,454900,44614195,48171334,49603342,7430998,29447060,47643508,82393912,83169846,94256496,35275444,40024984,25377535,46571333,32510994,70927802,92017916,97302502,22859741,32726786,79071601,93977472,47409421,49311618,77366144,84838598,59401507,67110877,42075938,76962007,27984930,72982484,81363683,75017478,88624177,67220235,88290070,26311443,87681081,77960250,4996033,68448074,67762279,99650583,36766422,27233152,71436659,25428777,81481679,51070397,88351803,78755075,26783938,83610840,45650662,86305644,1717314,66176062,6507047,45084786,74402982,55661367,35721238,40424913,24294239,30223531,55367671,56777532,12604154,4870493,14750488,74039611,42549918,70710424,56247316,63002053,71117605,16510883,67417211,34057637,74185092,58603491,66987830,73584171,9178319,47096502,1554825,37756804,85168245,92690138,6120773,99586029,74696745,61803307,56631845,42681796,58965644,68703695,69660559,15879062,26713059,85186928,63117471,53007808,74576547,32187857,13701205,88645881,24507258,87453800,39624977,75862710,62419627,70804059,10461373,18265782,56366177,68093007,75760763,43931574,65808002,49148775,98019987,71183123,53762434,78851856,37767085,89124453,47566746);

SELECT * FROM test WHERE id=37092877 OR id=94859722 OR id=74276090 OR id=8763830 OR id=38727241 OR id=95732954 OR id=93414819 OR id=55070016 OR id=3591352 OR id=73857925 OR id=92290525 OR id=15210159 OR id=83905516 OR id=54934589 OR id=83004136 OR id=31442143 OR id=6060569 OR id=22209206 OR id=27649629 OR id=11464943 OR id=77822402 OR id=28714780 OR id=10058522 OR id=62252663 OR id=13751461 OR id=38997875 OR id=47320577 OR id=64507359 OR id=36137908 OR id=54297630 OR id=97411161 OR id=56542672 OR id=22017966 OR id=55190708 OR id=70072386 OR id=24300664 OR id=93413617 OR id=23621629 OR id=74772508 OR id=62774612 OR id=43001947 OR id=46161388 OR id=85563006 OR id=70177147 OR id=63960440 OR id=18001207 OR id=81734850 OR id=10635060 OR id=6551152 OR id=54877885 OR id=44426798 OR id=73950635 OR id=18713144 OR id=21690065 OR id=82153543 OR id=26048520 OR id=79954773 OR id=22411093 OR id=97307339 OR id=74193176 OR id=1413532 OR id=88006544 OR id=36062746 OR id=24043946 OR id=17132007 OR id=95958217 OR id=26112542 OR id=27303972 OR id=17247403 OR id=56778979 OR id=60928031 OR id=69369613 OR id=90584759 OR id=86234538 OR id=41726089 OR id=25315005 OR id=27568726 OR id=25091624 OR id=15307765 OR id=83130887 OR id=42726438 OR id=75872353 OR id=18991223 OR id=47819224 OR id=75457713 OR id=54659391 OR id=54889687 OR id=65229322 OR id=17124556 OR id=38376043 OR id=1989975 OR id=45973571 OR id=48597804 OR id=58632319 OR id=43388664 OR id=97010450 OR id=94745635 OR id=13217373 OR id=40472912 OR id=40220510 OR id=58319808 OR id=48228318 OR id=48936085 OR id=86281500 OR id=65466706 OR id=96815281 OR id=11751559 OR id=50188155 OR id=76649755 OR id=35315411 OR id=20360954 OR id=17739218 OR id=10918461 OR id=51429591 OR id=41447650 OR id=65170472 OR id=26810295 OR id=80912347 OR id=17157209 OR id=75851858 OR id=61150903 OR id=4408208 OR id=61200404 OR id=6655467 OR id=66863737 OR id=51549112 OR id=61951371 OR id=14368308 OR id=14663119 OR id=8762531 OR id=31765056 OR id=30560647 OR id=41048147 OR id=95526521 OR id=94929131 OR id=56881239 OR id=79014587 OR id=62705983 OR id=15892901 OR id=66151473 OR id=98846144 OR id=79336731 OR id=35949035 OR id=26250054 OR id=97536202 OR id=40575682 OR id=6965144 OR id=91059908 OR id=97939380 OR id=30854180 OR id=1965937 OR id=17193347 OR id=76584991 OR id=70467475 OR id=6559872 OR id=97386594 OR id=13939914 OR id=20379091 OR id=84906436 OR id=45989448 OR id=17337270 OR id=4949675 OR id=96963499 OR id=12561575 OR id=77153018 OR id=73213368 OR id=68283041 OR id=33977574 OR id=86290771 OR id=70381017 OR id=73095085 OR id=454900 OR id=44614195 OR id=48171334 OR id=49603342 OR id=7430998 OR id=29447060 OR id=47643508 OR id=82393912 OR id=83169846 OR id=94256496 OR id=35275444 OR id=40024984 OR id=25377535 OR id=46571333 OR id=32510994 OR id=70927802 OR id=92017916 OR id=97302502 OR id=22859741 OR id=32726786 OR id=79071601 OR id=93977472 OR id=47409421 OR id=49311618 OR id=77366144 OR id=84838598 OR id=59401507 OR id=67110877 OR id=42075938 OR id=76962007 OR id=27984930 OR id=72982484 OR id=81363683 OR id=75017478 OR id=88624177 OR id=67220235 OR id=88290070 OR id=26311443 OR id=87681081 OR id=77960250 OR id=4996033 OR id=68448074 OR id=67762279 OR id=99650583 OR id=36766422 OR id=27233152 OR id=71436659 OR id=25428777 OR id=81481679 OR id=51070397 OR id=88351803 OR id=78755075 OR id=26783938 OR id=83610840 OR id=45650662 OR id=86305644 OR id=1717314 OR id=66176062 OR id=6507047 OR id=45084786 OR id=74402982 OR id=55661367 OR id=35721238 OR id=40424913 OR id=24294239 OR id=30223531 OR id=55367671 OR id=56777532 OR id=12604154 OR id=4870493 OR id=14750488 OR id=74039611 OR id=42549918 OR id=70710424 OR id=56247316 OR id=63002053 OR id=71117605 OR id=16510883 OR id=67417211 OR id=34057637 OR id=74185092 OR id=58603491 OR id=66987830 OR id=73584171 OR id=9178319 OR id=47096502 OR id=1554825 OR id=37756804 OR id=85168245 OR id=92690138 OR id=6120773 OR id=99586029 OR id=74696745 OR id=61803307 OR id=56631845 OR id=42681796 OR id=58965644 OR id=68703695 OR id=69660559 OR id=15879062 OR id=26713059 OR id=85186928 OR id=63117471 OR id=53007808 OR id=74576547 OR id=32187857 OR id=13701205 OR id=88645881 OR id=24507258 OR id=87453800 OR id=39624977 OR id=75862710 OR id=62419627 OR id=70804059 OR id=10461373 OR id=18265782 OR id=56366177 OR id=68093007 OR id=75760763 OR id=43931574 OR id=65808002 OR id=49148775 OR id=98019987 OR id=71183123 OR id=53762434 OR id=78851856 OR id=37767085 OR id=89124453 OR id=47566746;

#D组

#in和or中有1000条数据的情况

SELECT * FROM test WHERE id IN (93674701,9720356,31732184,53855095,33144472,71864888,27541768,27238726,83648428,12942332,26918445,19781953,81861032,74800064,12286132,6624397,64942581,70512799,46356598,88292448,87069909,38175756,98121997,62570414,15900806,51527968,89092372,8084203,53772848,78871524,3608561,85909562,41702172,61800503,57877634,93407278,30824340,13159046,49055339,73058078,983603,73571456,51694978,75136628,82716874,83551181,7964224,47505945,92695321,15885152,79282709,18572099,27392970,14552787,19848227,4518183,11773920,22285326,71605145,2402625,63365854,70973600,10584706,83688869,84268419,6026005,36545233,24462648,19293921,17561083,52105483,59243514,35230465,34650779,30053489,24225251,59642405,81933853,94495716,26364324,25980634,5579237,14569289,89417845,71178959,4143920,20467990,53316808,21288525,82249537,37737589,44712689,36788133,15668654,4697556,63785060,11555169,36401204,92276179,4135929,75453019,28231031,8649240,11576980,20262028,56242424,11305608,5655216,90240601,28569373,5296027,10739594,72751648,22531251,12535926,36347415,19740655,69125465,7523885,88128548,88830806,25010302,29411467,99614288,32646290,16592563,69036910,32604729,88737786,90169676,57646877,72105460,40027541,70362483,37221415,25284914,69691185,17972978,1544661,47324366,25337670,91133621,63697117,48652228,18538437,79966496,26066529,65334307,8305141,86289387,20178085,88836090,74948034,14101728,7837868,83548120,65602502,83129211,24785681,65000269,49140174,62636621,31096695,52276400,28546681,83631937,57100225,42531528,28326396,38641032,93055463,20525612,66073509,35154065,29007664,12600294,76829494,73917074,67226149,12478806,39842542,70312958,82792046,49668650,46280815,96555182,22966062,83158116,87566530,66277804,7944142,90649884,64342810,9881875,14833854,82959569,50523207,48788762,3801076,14677723,63080506,96215352,36302231,35067168,11695282,19447382,66401373,40822285,41406321,48630216,78955925,57194625,52097877,16169037,44834346,2593695,29948466,41842778,50510473,39669493,64590865,26160800,94882286,2703212,41243905,89363549,82819429,25565895,86836890,58385785,55898457,99305620,43332680,98223672,4494624,25408421,28054121,48197701,90633404,25825550,90631154,24867226,61846156,38911183,67826056,10676975,57116645,474292,82387517,56211477,46555785,49282428,99468990,81172472,26720330,38692582,96073680,88412290,28829489,1816508,75321051,81650509,23175973,42008725,60743468,52532114,731909,77811415,86804961,29675484,33584929,180367,93687804,41093066,5987495,27291494,78229979,63194139,34357776,9992084,22643334,22407822,69740170,29581361,50036776,88768091,82537322,83709895,55361776,90616169,44595355,9468440,54552233,73496954,46104486,92947715,38522993,88515232,57725249,48507967,25309486,91597013,85635814,69579638,68775627,57556546,77900275,95965693,9601780,5448068,54075952,64335883,80114875,14793294,21016639,1959922,93176996,7893733,51407895,45849129,33857790,30096194,78021982,66555961,15842998,77678123,56648395,8171848,80152264,78616680,80098122,22882409,77242219,3124519,60865422,43164198,43256621,73261157,12541949,49780175,23167183,10509251,41809106,25655902,6752559,39850293,50992519,40061483,84526968,93056718,53267125,53914467,39404926,83672449,21484465,34147538,13437853,74079093,50400032,85705998,7557614,10300505,79264856,65669946,23899714,53506926,36081544,11113765,65755643,5826515,60392667,55562374,98132987,80904530,92663352,7283593,3709276,52078745,84847057,34235334,63889320,70036669,58603533,27394053,54766781,50920854,80202681,67618417,82912294,20150728,20042189,86403320,38738266,58393070,50887299,12170654,16212895,37361223,13677457,19503506,20213757,84240441,39618969,26401150,47937678,55871130,79189571,5717133,12444503,95283334,14827147,22008485,56345882,43237192,56980197,68699371,46407250,72120555,70694039,46438829,17774982,36484024,138767,89563532,54847019,7815592,44909604,50479084,17462504,96594465,58317102,92426225,91894699,4501659,43315607,9442814,19705166,87751308,95588126,92372510,20281564,19251355,10321183,34573093,19074704,84678191,24383998,27670253,50223562,34091936,99304371,32477827,54273037,86525073,73253547,33316827,6724062,76707318,78171148,44729510,16697684,68966388,57448392,51380186,35344477,98153122,51825492,27202774,26901641,37527637,88241695,15100257,30418000,21821200,95511035,9289513,83870196,54628801,39402988,88345504,84232433,13925255,70816934,6822742,14400466,430652,87397095,89773413,10883914,89939310,39597573,49356789,62857680,93292662,55644642,81922551,94304087,63705961,137763,22392805,65195561,39498904,22576234,59467794,46389072,66341462,44602153,18204976,45366397,3880945,98231882,27999162,38209350,10599910,77139550,35114264,57109708,93064441,34801782,24938667,84955486,53018874,37969943,64372852,69596670,21288762,12774121,97588451,23575359,10954061,50363988,56263940,61520763,85096643,36250068,19807406,20984386,24520668,44631794,62587890,44963362,7663521,78505677,98442373,90280978,14494324,16069861,11397153,87726305,26133866,42024935,93393929,72575268,76384597,42272046,81658814,40811718,86054463,35997739,51075676,62839927,68179261,1929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id=36250068 OR id=19807406 OR id=20984386 OR id=24520668 OR id=44631794 OR id=62587890 OR id=44963362 OR id=7663521 OR id=78505677 OR id=98442373 OR id=90280978 OR id=14494324 OR id=16069861 OR id=11397153 OR id=87726305 OR id=26133866 OR id=42024935 OR id=93393929 OR id=72575268 OR id=76384597 OR id=42272046 OR id=81658814 OR id=40811718 OR id=86054463 OR id=35997739 OR id=51075676 OR id=62839927 OR id=68179261 OR id=19292480 OR id=10464999 OR id=6342696 OR id=75842285 OR id=28671096 OR id=30029838 OR id=19617648 OR id=94667632 OR id=75855376 OR id=83477767 OR id=456684 OR id=81197213 OR id=1961395 OR id=79590898 OR id=470693 OR id=64786459 OR id=90138714 OR id=30486571 OR id=75566704 OR id=64467558 OR id=21380112 OR id=17742907 OR id=7733647 OR id=92017 OR id=64615799 OR id=72272722 OR id=66873854 OR id=77198963 OR id=35594848 OR id=42694993 OR id=12431322 OR id=2247181 OR id=11020746 OR id=42416726 OR id=19127785 OR id=95444937 OR id=36842133 OR id=4203521 OR id=48149533 OR id=45322440 OR id=59710953 OR id=38250773 OR id=31370132 OR id=26889920 OR id=45927952 OR id=55298246 OR id=31197238 OR id=44744953 OR id=35531670 OR id=38850041 OR id=29759177 OR id=76433451 OR id=33696500 OR id=2823716 OR id=68574340 OR id=68889919 OR id=35744793 OR id=64772909 OR id=41562277 OR id=72606631 OR id=54617176 OR id=76086087 OR id=61060196 OR id=1593669 OR id=4666059 OR id=44201567 OR id=97015910 OR id=51039786 OR id=47534369 OR id=36899420 OR id=95163693 OR id=34278055 OR id=24361819 OR id=93200909 OR id=29991418 OR id=63172824 OR id=53644148 OR id=61454424 OR id=44726508 OR id=64910883 OR id=31088636 OR id=14005026 OR id=83267869 OR id=28497493 OR id=12406441 OR id=34686539 OR id=70646963 OR id=7687253 OR id=23115957 OR id=64556990 OR id=49701688 OR id=76843379 OR id=22370877 OR id=11199132 OR id=15492661 OR id=72101877 OR id=47154152 OR id=54969058 OR id=96696025 OR id=33567129 OR id=95788960 OR id=13301506 OR id=38695877 OR id=52992551 OR id=37817234 OR id=82136809 OR id=28111091 OR id=84977065 OR id=93404791 OR id=56350318 OR id=27576451 OR id=84170153 OR id=37381626 OR id=22432144 OR id=35119973 OR id=23922989 OR id=98961080 OR id=14336913 OR id=49612713 OR id=47410677 OR id=41559348 OR id=64216475 OR id=75502736 OR id=16203656 OR id=81726720 OR id=64541981 OR id=82181762 OR id=95869963 OR id=1086041 OR id=76856852 OR id=99484886 OR id=47292021 OR id=99746735 OR id=79082859 OR id=67416188 OR id=46391963 OR id=58631281 OR id=80994168 OR id=9464550 OR id=5851058 OR id=16534935 OR id=63307701 OR id=91875109 OR id=18716507 OR id=15870646 OR id=6003995 OR id=836024 OR id=35610568 OR id=39574140 OR id=76244639 OR id=83403189 OR id=51252728 OR id=6516065 OR id=94907007 OR id=81605606 OR id=40398075 OR id=40258386 OR id=6692981 OR id=50852074 OR id=2869416 OR id=97682971 OR id=44427361 OR id=9608914 OR id=58464559 OR id=81806036 OR id=20047387 OR id=66264452 OR id=58063775 OR id=54179837 OR id=48463792 OR id=17877188 OR id=31718426 OR id=64192249 OR id=35574859 OR id=3671766 OR id=88905164 OR id=78137697 OR id=46929619 OR id=21063327 OR id=83078770 OR id=93293821 OR id=41618319 OR id=3832324 OR id=91310612 OR id=79854291 OR id=68734227 OR id=8826717 OR id=80881657 OR id=95208907 OR id=7079422 OR id=30037415 OR id=5494004 OR id=44809486 OR id=97620027 OR id=35689182 OR id=13120783 OR id=26108678 OR id=1537176 OR id=16538727 OR id=50841024 OR id=36515680 OR id=82635278 OR id=11112660 OR id=16276555 OR id=72997511 OR id=93487848 OR id=88201238 OR id=53997085 OR id=15198916 OR id=61214583 OR id=78412499 OR id=3585265 OR id=1402827 OR id=56445518 OR id=47661453 OR id=25615629 OR id=58263458 OR id=62155263 OR id=46608555 OR id=15822703 OR id=82285214 OR id=76021596 OR id=84571697 OR id=45999350 OR id=40074628 OR id=8219220 OR id=5429523 OR id=74024203 OR id=22354037 OR id=17605466 OR id=60436920 OR id=52777032 OR id=65801717 OR id=43656316 OR id=10424270 OR id=48035786 OR id=29493228 OR id=83897372 OR id=62101275 OR id=84793857 OR id=56894828 OR id=70636689 OR id=72497148 OR id=67388694 OR id=68146510 OR id=64298548 OR id=97117498 OR id=25553211 OR id=54226533 OR id=90395845 OR id=24172623 OR id=91712292 OR id=98280822 OR id=54042497 OR id=25032894 OR id=6833135 OR id=39011254 OR id=9837753 OR id=63507766 OR id=26747954 OR id=45941264 OR id=99955245 OR id=80051546 OR id=78510759 OR id=71322333 OR id=92407609 OR id=95809491 OR id=18999217 OR id=23430377 OR id=11861293 OR id=42583098 OR id=24163209 OR id=11358738 OR id=3237302 OR id=3176665 OR id=87151132 OR id=2789150 OR id=63905882 OR id=59864282 OR id=3673596 OR id=19570439 OR id=22883042 OR id=72375525 OR id=51614404 OR id=47526636 OR id=98443133 OR id=99140135 OR id=33855918 OR id=28333489 OR id=81416033 OR id=2670097 OR id=4897577 OR id=24439616 OR id=36643479 OR id=40817600 OR id=76022791 OR id=40072872 OR id=95193435 OR id=96967607 OR id=24983145 OR id=49883271 OR id=94602753 OR id=83555050 OR id=85455145 OR id=34563229 OR id=72328311 OR id=12002151 OR id=71481181 OR id=72998351 OR id=1489188 OR id=38426973 OR id=91893116 OR id=61594591 OR id=89693630 OR id=6268166 OR id=20056665 OR id=62169880 OR id=17143472 OR id=35103925 OR id=22452590 OR id=54272289 OR id=34236829 OR id=78028543 OR id=84474414 OR id=40386926 OR id=50550952 OR id=49413559 OR id=48781941 OR id=22927237 OR id=44447815 OR id=29960478 OR id=47578119 OR id=10192558 OR id=87733936 OR id=88699383 OR id=38808712 OR id=79944807 OR id=84014713 OR id=31865463 OR id=72617685 OR id=19557568 OR id=47865990 OR id=39069638 OR id=20086122 OR id=1777562 OR id=29018078 OR id=78358083 OR id=94561719 OR id=46281152 OR id=99789008 OR id=86929490 OR id=16534451 OR id=55989144 OR id=52455669 OR id=54561585 OR id=97379646 OR id=20416183 OR id=87617750 OR id=76115505 OR id=3282482 OR id=8383619 OR id=45456319 OR id=29576432 OR id=67750627 OR id=61736333 OR id=33745442 OR id=51502165 OR id=35349384 OR id=78106651 OR id=23232822 OR id=94851387 OR id=78254073 OR id=82406754 OR id=10317954 OR id=70125940 OR id=45067526 OR id=27061875 OR id=25640164 OR id=52574899 OR id=93819227 OR id=93789607 OR id=96122951 OR id=31673246 OR id=70431904 OR id=54067896 OR id=37146857 OR id=37817889 OR id=14058940 OR id=60710246 OR id=64844350 OR id=91604383 OR id=71972005 OR id=13888349 OR id=19093493 OR id=27397281 OR id=61085409 OR id=66529387 OR id=82761299 OR id=72236310 OR id=19277077 OR id=96599501 OR id=68304096 OR id=48292937 OR id=97503321 OR id=88011133 OR id=29224803 OR id=79782945 OR id=79965966 OR id=83716914 OR id=90432214 OR id=48938902 OR id=12498489 OR id=30246261 OR id=91624049 OR id=68652396 OR id=23677785 OR id=44084687 OR id=3865123 OR id=37823170 OR id=45287730 OR id=38784682 OR id=28058351 OR id=68226368 OR id=61569897 OR id=44737876 OR id=70575908 OR id=25568463 OR id=24668386 OR id=88650569 OR id=35559584 OR id=1897737 OR id=77844785 OR id=29780669 OR id=84004602 OR id=29029776 OR id=91003545 OR id=48058106 OR id=9463847;

    从上面的测试结果，可以看出如果in和or所在列有索引或者主键的话，or和in没啥差别，执行计划和执行时间都几乎一样。如果in和or所在列没有索引的话，性能差别就很大了。在没有索引的情况下，随着in或者or后面的数据量越多，in的效率不会有太大的下降，但是or会随着记录越多的话性能下降非常厉害，从第三中测试情况中可以很明显地看出了，基本上是指数级增长。
   因此在给in和or的效率下定义的时候，应该再加上一个条件，就是所在的列是否有索引或者是否是主键。如果有索引或者主键性能没啥差别，如果没有索引，性能差别不是一点点！ 

	select * from tab where name_id >= 100 and name_id <=104;

	select * from tab where name_id bewteen 100 and 104;

	select * from tab where name_id in(100,101,102,103,104);

	select * from tab where name_id = 100 or name_id = 101 or name_id = 102 or name_id = 103 or name_id = 104;

*************************** . row ***************************

           id:

  select_type: SIMPLE

        table: student

         type: range

possible_keys: PRIMARY

          key: PRIMARY

      key_len:

          ref: NULL

         rows:

     filtered: .

        Extra: Using where

 row in set,  warning (. sec)

mysql> set optimizer_trace="enabled=on";

Query OK, 0 rows affected (0.00 sec)

mysql> show variables like '%optimizer_trace%';

+------------------------------+----------------------------------------------------------------------------+

| Variable_name                | Value                                                                      |

+------------------------------+----------------------------------------------------------------------------+

| optimizer_trace              | enabled=on,one_line=off                                                    |

| optimizer_trace_features     | greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on |

| optimizer_trace_limit        | 1                                                                          |

| optimizer_trace_max_mem_size | 16384                                                                      |

| optimizer_trace_offset       | -1                                                                         |

+------------------------------+----------------------------------------------------------------------------+

5 rows in set (0.00 sec)

set optimizer_trace="enabled=on";

select * from tab where name_id >= 100 and name_id <=104;

select * from information_schema.optimizer_trace;

select * from tab where name_id in(100,101,102,103,104);

select * from information_schema.optimizer_trace;

select * from tab where name_id = 100 or name_id = 101 or name_id = 102 or name_id = 103 or name_id = 104;

select * from information_schema.optimizer_trace;

SELECT * FROM tin where c1 >=100 and c1 <=104;

...省略部分内容

“chosen_range_access_summary”: {

                    “range_access_plan”: {

                      “type”: “range_scan”,

                      “index”: “PRIMARY”,

                      “rows”: 5,

                      “ranges”: [

                        “100 <= c1 <= 104″

                      ]

                    },

                    “rows_for_plan”: 5,

                    “cost_for_plan”: 2.0188,

                    “chosen”: true

                    }

...省略部分内容

SELECT * FROM tin where c1 in (100, 101, 102, 103, 104);

...省略部分内容

“chosen_range_access_summary”: {

                    “range_access_plan”: {

                      “type”: “range_scan”,

                      “index”: “PRIMARY”,

                      “rows”: 5,

                      “ranges”: [

                        “100 <= c1 <= 100″,

                        “101 <= c1 <= 101″,

                        “102 <= c1 <= 102″,

                        “103 <= c1 <= 103″,

                        “104 <= c1 <= 104″

                      ]

                    },

                    “rows_for_plan”: 5,

                    “cost_for_plan”: 6.0188,

                    “chosen”: true

                  }

...省略部分内容

SELECT * FROM tin where c1 = 100 or c1 = 101 or c1 = 102 or c1 = 103 or c1 =104;

...省略部分内容

“chosen_range_access_summary”: {

                    “range_access_plan”: {

                      “type”: “range_scan”,

                      “index”: “PRIMARY”,

                      “rows”: 5,

                      “ranges”: [

                        “100 <= c1 <= 100″,

                        “101 <= c1 <= 101″,

                        “102 <= c1 <= 102″,

                        “103 <= c1 <= 103″,

                        “104 <= c1 <= 104″

                      ]

                    },

                    “rows_for_plan”: 5,

                    “cost_for_plan”: 6.0188,

                    “chosen”: true

                  }

...省略部分内容