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Apparently same problem as with other similar issues, random/incomplete InnoDB statistics causes different plans some of which lead to a wrong result.
Same test case as described but in MTR form:
--source include/have_innodb.inc
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/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
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/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
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/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
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/*!40101 SET NAMES utf8mb4 */;
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/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
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/*!40103 SET TIME_ZONE='+00:00' */;
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/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
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/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
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/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
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/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
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DROP TABLE IF EXISTS `t_8_h22c`;
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/*!40101 SET @saved_cs_client = @@character_set_client */;
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/*!40101 SET character_set_client = utf8 */;
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CREATE TABLE `t_8_h22c` (
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`wkey` int(11) DEFAULT NULL,
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`pkey` int(11) NOT NULL,
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`c_zib3db` double DEFAULT NULL,
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`c_ufw4k` text DEFAULT NULL,
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`c_ss3rcd` int(11) DEFAULT NULL,
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`c_epb6pb` int(11) DEFAULT NULL,
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`c_btw2nd` text DEFAULT NULL,
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`c_50oqyb` double DEFAULT NULL,
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`c_guli2b` double DEFAULT NULL,
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`c_jwxhwc` int(11) DEFAULT NULL,
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`c_dbhvpc` text DEFAULT NULL,
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PRIMARY KEY (`pkey`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1;
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/*!40101 SET character_set_client = @saved_cs_client */;
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LOCK TABLES `t_8_h22c` WRITE;
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/*!40000 ALTER TABLE `t_8_h22c` DISABLE KEYS */;
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INSERT INTO `t_8_h22c` VALUES
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(4,24000,85.7,NULL,92,53,'taij5b',NULL,24.21,NULL,NULL),
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(4,25000,28.9,NULL,9,17,'kstagc',80.63,79.25,NULL,NULL),
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(4,26000,92.94,NULL,71,74,'p7ckgd',9.2,NULL,NULL,NULL),
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(4,27000,15.75,NULL,73,24,'0xkmqb',44.77,54.81,NULL,NULL),
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(4,28000,67.41,NULL,2,75,'bf186c',NULL,68.8,NULL,NULL),
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(5,29000,47.85,'8nwltc',NULL,4,'95sonb',16.34,19.66,NULL,'gjxqyb'),
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(5,30000,48.77,'bkljrd',NULL,24,'e2prqc',60.3,99.11,NULL,'q_ujt'),
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(5,31000,20.49,'zlunhc',NULL,80,'clrfmd',57.89,58.16,NULL,'vnai0d'),
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(7,36000,46.6,'umf1db',43,35,'3_jjo',NULL,NULL,15,'c53_fc'),
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(7,37000,85.21,'x_khec',42,27,'_blr_',NULL,58.32,55,'anvn_'),
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(7,38000,61.68,'1jmbtd',20,89,'tairb',NULL,21.59,54,'h0vefb'),
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(7,39000,NULL,'yf1dy',57,7,'lojqod',NULL,NULL,65,'uy3nkd'),
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(7,40000,56.46,'c6kggd',18,43,'b7i8ud',NULL,NULL,81,'h2tgbb'),
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(7,41000,9.19,'u7abj',50,61,'pqlz_',NULL,52.29,66,'qsk88c'),
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(8,42000,82.18,'uceeyb',14,52,NULL,21.93,NULL,50,'ngghwc'),
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(8,43000,67.21,'pn2uv',17,44,NULL,57.18,81.29,58,NULL),
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(8,44000,21.21,'_ccifc',44,38,'2bfdid',53.83,77.6,23,NULL),
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(8,45000,46.92,NULL,71,82,NULL,95.29,38.42,40,'e_mg_d'),
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(8,46000,46.5,'jbtopc',62,84,'gkcf9',48.17,11.74,71,'ufzifd'),
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(8,47000,15.3,'sigkgc',46,46,'kvjq2c',96.78,26.57,52,NULL),
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(15,82000,34.76,'ljtpv',63,96,'cuzczd',80.93,NULL,NULL,NULL),
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(15,83000,73.61,'lczz_',10,78,'meq2cb',22.91,NULL,NULL,'knsokc'),
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(15,84000,16.42,'azvwd',77,66,NULL,61.33,NULL,NULL,'rc9bnb'),
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(15,85000,65.95,'6ojbo',79,75,'v_nduc',97.58,NULL,NULL,'uz3r7c'),
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(15,86000,47.6,'rz7s4',35,60,'ad4s_d',69.66,NULL,NULL,'rvdcx'),
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(15,87000,2.3,'mdz58',4,16,'u1ci8',95.37,NULL,NULL,'ldc1vd');
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/*!40000 ALTER TABLE `t_8_h22c` ENABLE KEYS */;
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UNLOCK TABLES;
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DROP TABLE IF EXISTS `t_ejqvmc`;
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/*!40101 SET @saved_cs_client = @@character_set_client */;
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/*!40101 SET character_set_client = utf8 */;
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CREATE TABLE `t_ejqvmc` (
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`wkey` int(11) DEFAULT NULL,
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`pkey` int(11) NOT NULL,
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`c_8yhj0b` text DEFAULT NULL,
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`c_cdyxcd` int(11) DEFAULT NULL,
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`c_rwkkmd` int(11) DEFAULT NULL,
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`c_hv3_p` double DEFAULT NULL,
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`c_ph2fed` int(11) DEFAULT NULL,
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`c_qfwknb` text DEFAULT NULL,
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`c_r8mgoc` text DEFAULT NULL,
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`c_uk0c2b` text DEFAULT NULL,
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PRIMARY KEY (`pkey`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1;
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/*!40101 SET character_set_client = @saved_cs_client */;
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LOCK TABLES `t_ejqvmc` WRITE;
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/*!40000 ALTER TABLE `t_ejqvmc` DISABLE KEYS */;
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INSERT INTO `t_ejqvmc` VALUES
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(6,32000,'rlsw9',85,34,15.16,9,'guyu3d',NULL,'odenzc'),
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(6,33000,'sbf7i',57,76,18.55,65,'hrof_',NULL,'6aqqob'),
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(6,34000,'bsepl',45,39,72.31,48,'o9w7wc',NULL,'w8l33c'),
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(6,35000,'arfhdc',19,62,66.48,32,'2hmhcd',NULL,'lxh98d'),
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(9,48000,'3k6ezd',NULL,46,44.31,75,'_jidn',NULL,'_cx4qd'),
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(9,49000,'_jncub',NULL,34,NULL,87,'t4susc','gg2ruc','w3f_3'),
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(9,50000,'9uc5ub',NULL,86,87.28,52,'ybj2wd','veegnb','cblskc'),
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(9,51000,'ie4zob',NULL,31,37.78,66,'ms9j2d','fhz7m','r2szrc'),
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(9,52000,'y0fjyb',NULL,58,99.78,10,NULL,'vrltj','xdaxxc'),
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(9,53000,'d6b62d',NULL,58,28.86,92,'8hv5sb','5ac5yc','ymefgb'),
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(9,54000,'pagfnc',NULL,62,NULL,90,'o6usrd','dqpayc','c02_k'),
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(9,55000,NULL,NULL,1,2147483648.1,81,'bgmukd','egwrec','vfwgd'),
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(12,65000,'a7p9zc',20,83,39.5,100,'kgmhqc','e7pvyd','11ibib'),
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(12,66000,'yg2qrd',16,93,27.78,21,'ihp3i',NULL,'qd_vic'),
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(12,67000,NULL,51,58,62.68,91,NULL,NULL,'4_smdb'),
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(14,76000,'ifeqg',36,NULL,NULL,66,'esjmcd','c80nhd','plhue'),
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(14,77000,NULL,48,NULL,40.6,5,'w2zo6b','vm1nvc',NULL),
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(14,78000,'gwxbad',91,NULL,21.52,23,'5keng','xc5oad','3jddfc'),
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(14,79000,'9pbxw',93,NULL,90.37,32,'kwvf7','olnnmb','uumj3c'),
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(14,80000,'hhookd',100,NULL,79.58,57,'exfl7d','l1y8b',NULL),
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(14,81000,NULL,43,NULL,96.55,10,'yqu7ud','nmsco','eyby2b'),
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(16,88000,'ivb8y',26,29,57.71,16,NULL,'6kfi0c',NULL),
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(16,89000,'am275b',41,6,20.1,67,NULL,'nuzcad',NULL),
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(16,90000,'yc036c',13,99,10.43,32,NULL,'mcgxk','vrvhe'),
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(16,91000,'jeurnd',4,26,88.22,28,NULL,'gumvgc','ze5a_'),
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(16,92000,'e0_y0b',65,1,95.12,6,NULL,'_yvtgc','3wilnd'),
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(16,93000,NULL,6,31,76.52,30,NULL,'mjj2ac',NULL),
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(16,94000,'6dtuz',68,12,NULL,47,NULL,'fbh5vc','68m4hc'),
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(16,95000,'lrmiw',71,19,16.29,95,NULL,'q94bo','z3t7hc');
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/*!40000 ALTER TABLE `t_ejqvmc` ENABLE KEYS */;
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UNLOCK TABLES;
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DROP TABLE IF EXISTS `t_tu__yc`;
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/*!40101 SET @saved_cs_client = @@character_set_client */;
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/*!40101 SET character_set_client = utf8 */;
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CREATE TABLE `t_tu__yc` (
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`wkey` int(11) DEFAULT NULL,
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`pkey` int(11) NOT NULL,
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`c_q03lu` double DEFAULT NULL,
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`c_y2uw` text DEFAULT NULL,
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`c_1f41gb` text DEFAULT NULL,
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`c_9daz8b` text DEFAULT NULL,
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`c_joc9kb` int(11) DEFAULT NULL,
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`c_ndt7r` double DEFAULT NULL,
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`c_dsdveb` int(11) DEFAULT NULL,
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PRIMARY KEY (`pkey`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1;
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/*!40101 SET character_set_client = @saved_cs_client */;
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LOCK TABLES `t_tu__yc` WRITE;
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/*!40000 ALTER TABLE `t_tu__yc` DISABLE KEYS */;
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INSERT INTO `t_tu__yc` VALUES
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(1,11000,84.47,'_zi_wc','phds2c',NULL,11,NULL,59),
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(1,12000,44.54,'shtqnb','fnsi0',NULL,8,2147483648.1,37),
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(1,13000,67.69,'ohmogd','kmvhg',NULL,77,28.4,11),
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(2,14000,81.63,'m1rbo','_uj5ab','pau_bd',70,NULL,12),
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(2,15000,26.59,'lo4xbb','0j212d','i8qtdc',28,NULL,38),
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(2,16000,96.28,'gqf6o','d_fttc','blv1k',25,NULL,68),
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(2,17000,77.52,'k1q6kd','srorfc','3hozeb',35,NULL,60),
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(3,18000,12.15,'cbnkrb',NULL,'kotd6c',63,25.54,40),
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(3,19000,28.17,'wn1qpd',NULL,'kk3lv',60,20.6,71),
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(3,20000,39.2,'r7txyb',NULL,'dcvvj',44,87.15,4),
|
(3,21000,86.94,'uk6vtd',NULL,'zxw54',63,95.1,50),
|
(3,22000,46.79,'xy_rqd',NULL,'_8dxj',86,46.12,42),
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(3,23000,98.38,'jud5_c',NULL,'qjiswd',71,2.1,65),
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(10,56000,NULL,NULL,'grpa_d','cx_zkb',61,4.95,3),
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(10,57000,NULL,NULL,'_h5e4','u0yfm',78,92.89,83),
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(10,58000,NULL,NULL,'xbox7b','wnxwod',96,16.84,54),
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(10,59000,NULL,NULL,'gbtdv',NULL,97,70.86,61),
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(11,60000,70.67,'evl_3b','1epdod','uudutd',75,NULL,NULL),
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(11,61000,29.41,'x_lkyd','alqu3','hbeso',2,NULL,NULL),
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(11,62000,29.66,'y_uezd','zi9wb','sahip',28,NULL,NULL),
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(11,63000,31.11,NULL,'rdy_wb',NULL,82,NULL,NULL),
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(11,64000,75.21,'6yzn6c','_ll4ld','afpiw',53,NULL,NULL),
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(13,68000,NULL,'rtmyuc','dqv7ib',NULL,44,NULL,NULL),
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(13,69000,NULL,'w6_wbd','6mku1',NULL,86,NULL,NULL),
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(13,70000,NULL,'lth_bb',NULL,NULL,23,NULL,NULL),
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(13,71000,NULL,'brr9rc','2j2nqb',NULL,84,NULL,NULL),
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(13,72000,NULL,'7dpt2',NULL,NULL,62,NULL,NULL),
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(13,73000,NULL,'xiewhd','dndc6d',NULL,37,NULL,NULL),
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(13,74000,NULL,'ervd5b','6sv_rd',NULL,68,NULL,NULL),
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(13,75000,NULL,'sz1wc',NULL,NULL,5,NULL,NULL);
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/*!40000 ALTER TABLE `t_tu__yc` ENABLE KEYS */;
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UNLOCK TABLES;
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/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
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/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
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/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
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/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
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/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
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/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
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/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
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/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
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let $query=
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select
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t_tu__yc.wkey as c0,
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t_tu__yc.pkey as c1,
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t_tu__yc.c_q03lu as c2,
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t_tu__yc.c_y2uw as c3,
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t_tu__yc.c_1f41gb as c4,
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t_tu__yc.c_9daz8b as c5,
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t_tu__yc.c_joc9kb as c6,
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t_tu__yc.c_ndt7r as c7,
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t_tu__yc.c_dsdveb as c8
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from
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t_tu__yc
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where t_tu__yc.c_q03lu not in (
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select
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PERCENT_RANK() over (partition by ref_0.c_50oqyb,ref_0.c_dbhvpc order by ref_0.c_ss3rcd,ref_0.c_zib3db) as c0
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from
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t_8_h22c as ref_0
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);
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eval analyze $query;
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eval $query;
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analyze table t_tu__yc, t_8_h22c, t_ejqvmc persistent for all;
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eval analyze $query;
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eval $query;
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drop table t_tu__yc, t_8_h22c, t_ejqvmc;
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{code:sql|title=10.6 0fbcb0a2}
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id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
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1 PRIMARY t_tu__yc ALL NULL NULL NULL NULL 1 30.00 100.00 3.33 Using where
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2 DEPENDENT SUBQUERY ref_0 ALL NULL NULL NULL NULL 2 26.00 100.00 100.00 Using temporary
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c0 c1 c2 c3 c4 c5 c6 c7 c8
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11 60000 70.67 evl_3b 1epdod uudutd 75 NULL NULL
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id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
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1 PRIMARY t_tu__yc ALL NULL NULL NULL NULL 30 30.00 100.00 60.00 Using where
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2 MATERIALIZED ref_0 ALL NULL NULL NULL NULL 26 26.00 100.00 100.00 Using temporary
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c0 c1 c2 c3 c4 c5 c6 c7 c8
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1 11000 84.47 _zi_wc phds2c NULL 11 NULL 59
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1 12000 44.54 shtqnb fnsi0 NULL 8 2147483648.1 37
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1 13000 67.69 ohmogd kmvhg NULL 77 28.4 11
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2 14000 81.63 m1rbo _uj5ab pau_bd 70 NULL 12
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2 15000 26.59 lo4xbb 0j212d i8qtdc 28 NULL 38
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2 16000 96.28 gqf6o d_fttc blv1k 25 NULL 68
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2 17000 77.52 k1q6kd srorfc 3hozeb 35 NULL 60
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3 18000 12.15 cbnkrb NULL kotd6c 63 25.54 40
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3 19000 28.17 wn1qpd NULL kk3lv 60 20.6 71
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3 20000 39.2 r7txyb NULL dcvvj 44 87.15 4
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3 21000 86.94 uk6vtd NULL zxw54 63 95.1 50
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3 22000 46.79 xy_rqd NULL _8dxj 86 46.12 42
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3 23000 98.38 jud5_c NULL qjiswd 71 2.1 65
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11 60000 70.67 evl_3b 1epdod uudutd 75 NULL NULL
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11 61000 29.41 x_lkyd alqu3 hbeso 2 NULL NULL
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11 62000 29.66 y_uezd zi9wb sahip 28 NULL NULL
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11 63000 31.11 NULL rdy_wb NULL 82 NULL NULL
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11 64000 75.21 6yzn6c _ll4ld afpiw 53 NULL NULL
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The failure is non-deterministic, try several times.
Couldn't reproduce on 10.5 and earlier, but due to the randomness couldn't find a guilty commit either, apparently it's in very early versions of 10.6.
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