Test_294 sometimes causes a crash

[glookka]

Bug Description:

Recently (989b053) I've been getting crashes on linux ubertest runs. Doesn't crash on every run. Test output:

testing test_294, long chain expressions in select list... done; 1/1 subtests FAILED:
297: 	subtest 1: query results mismatch; see /__w/columnar/columnar/build/_deps/manticore-build/test/col_294/report.txt
297: 
297: --------------Test report:------------
297: ==== Run 1 ====
297: Settings:
297: 
297: sphinxql-1> drop table if exists dd;
297: Query OK, 0 rows affected
297: 
297: sphinxql-2> create table dd(a int);
297: Query OK, 0 rows affected
297: 
297: sphinxql-3> SELECT SINT(IF(a IN(1,2),20, IF(a IN(2,3),30, IF(a IN(3,4),40, IF(a IN(4,5),50, IF(a IN(5,6),60, IF(a IN(6,7),70, IF(a IN(7,8),80, IF(a IN(8,9),90, IF(a IN(9,10),100, IF(a IN(10,11),110, IF(a IN(11,12),120, IF(a IN(12,13),130, IF(a IN(13,14),140, IF(a IN(14,15),150, IF(a IN(15,16),160, IF(a IN(16,17),170, IF(a IN(17,18),180, IF(a IN(18,19),190, IF(a IN(19,20),200, IF(a IN(20,21),210, IF(a IN(21,22),220, IF(a IN(22,23),230, IF(a IN(23,24),240, IF(a IN(24,25),250, IF(a IN(25,26),260, IF(a IN(26,27),270, IF(a IN(27,28),280, IF(a IN(28,29),290, IF(a IN(29,30),300, IF(a IN(30,31),310, IF(a IN(31,32),320, IF(a IN(32,33),330, IF(a IN(33,34),340, IF(a IN(34,35),350, IF(a IN(35,36),360, IF(a IN(36,37),370, IF(a IN(37,38),380, IF(a IN(38,39),390, IF(a IN(39,40),400, IF(a IN(40,41),410, IF(a IN(41,42),420, IF(a IN(42,43),430, IF(a IN(43,44),440, IF(a IN(44,45),450, IF(a IN(45,46),460, IF(a IN(46,47),470, IF(a IN(47,48),480, IF(a IN(48,49),490, IF(a IN(49,50),500, IF(a IN(50,51),510, IF(a IN(51,52),520, IF(a IN(52,53),530, IF(a IN(53,54),540, IF(a IN(54,55),550, IF(a IN(55,56),560, IF(a IN(56,57),570, IF(a IN(57,58),580, IF(a IN(58,59),590, IF(a IN(59,60),600, IF(a IN(60,61),610, IF(a IN(61,62),620, IF(a IN(62,63),630, IF(a IN(63,64),640, IF(a IN(64,65),650, IF(a IN(65,66),660, IF(a IN(66,67),670, IF(a IN(67,68),680, IF(a IN(68,69),690, IF(a IN(69,70),700, IF(a IN(70,71),710, IF(a IN(71,72),720, IF(a IN(72,73),730, IF(a IN(73,74),740, IF(a IN(74,75),750, IF(a IN(75,76),760, IF(a IN(76,77),770, IF(a IN(77,78),780, IF(a IN(78,79),790, IF(a IN(79,80),800, IF(a IN(80,81),810, IF(a IN(81,82),820, IF(a IN(82,83),830, IF(a IN(83,84),840, IF(a IN(84,85),850, IF(a IN(85,86),860, IF(a IN(86,87),870, IF(a IN(87,88),880, IF(a IN(88,89),890, IF(a IN(89,90),900, IF(a IN(90,91),910, IF(a IN(91,92),920, IF(a IN(92,93),930, IF(a IN(93,94),940, IF(a IN(94,95),950, IF(a IN(95,96),960, IF(a IN(96,97),970, IF(a IN(97,98),980, IF(a IN(98,99),990, IF(a IN(99,100),1000, IF(a IN(100,101),1010, IF(a IN(101,102),1020, IF(a IN(102,103),1030, IF(a IN(103,104),1040, IF(a IN(104,105),1050, IF(a IN(105,106),1060, IF(a IN(106,107),1070, IF(a IN(107,108),1080, IF(a IN(108,109),1090, IF(a IN(109,110),1100, IF(a IN(110,111),1110, IF(a IN(111,112),1120, IF(a IN(112,113),1130, IF(a IN(113,114),1140, IF(a IN(114,115),1150, IF(a IN(115,116),1160, IF(a IN(116,117),1170, IF(a IN(117,118),1180, IF(a IN(118,119),1190, IF(a IN(119,120),1200, IF(a IN(120,121),1210, IF(a IN(121,122),1220, IF(a IN(122,123),1230, IF(a IN(123,124),1240, IF(a IN(124,125),1250, IF(a IN(125,126),1260, IF(a IN(126,127),1270, IF(a IN(127,128),1280, IF(a IN(128,129),1290, IF(a IN(129,130),1300, IF(a IN(130,131),1310, IF(a IN(131,132),1320, IF(a IN(132,133),1330, IF(a IN(133,134),1340, IF(a IN(134,135),1350, IF(a IN(135,136),1360, IF(a IN(136,137),1370, IF(a IN(137,138),1380, IF(a IN(138,139),1390, IF(a IN(139,140),1400, IF(a IN(140,141),1410, IF(a IN(141,142),1420, IF(a IN(142,143),1430, IF(a IN(143,144),1440, IF(a IN(144,145),1450, IF(a IN(145,146),1460, IF(a IN(146,147),1470, IF(a IN(147,148),1480, IF(a IN(148,149),1490, IF(a IN(149,150),1500, IF(a IN(150,151),1510, IF(a IN(151,152),1520, IF(a IN(152,153),1530, IF(a IN(153,154),1540, IF(a IN(154,155),1550, IF(a IN(155,156),1560, IF(a IN(156,157),1570, IF(a IN(157,158),1580, IF(a IN(158,159),1590, IF(a IN(159,160),1600, IF(a IN(160,161),1610, IF(a IN(161,162),1620, IF(a IN(162,163),1630, IF(a IN(163,164),1640, IF(a IN(164,165),1650, IF(a IN(165,166),1660, IF(a IN(166,167),1670, IF(a IN(167,168),1680, IF(a IN(168,169),1690, IF(a IN(169,170),1700, IF(a IN(170,171),1710, IF(a IN(171,172),1720, IF(a IN(172,173),1730, IF(a IN(173,174),1740, IF(a IN(174,175),1750, IF(a IN(175,176),1760, IF(a IN(176,177),1770, IF(a IN(177,178),1780, IF(a IN(178,179),1790, IF(a IN(179,180),1800, IF(a IN(180,181),1810, IF(a IN(181,182),1820, IF(a IN(182,183),1830, IF(a IN(183,184),1840, IF(a IN(184,185),1850, IF(a IN(185,186),1860, IF(a IN(186,187),1870, IF(a IN(187,188),1880, IF(a IN(188,189),1890, IF(a IN(189,190),1900, IF(a IN(190,191),1910, IF(a IN(191,192),1920, IF(a IN(192,193),1930, IF(a IN(193,194),1940, IF(a IN(194,195),1950, IF(a IN(195,196),1960, IF(a IN(196,197),1970, IF(a IN(197,198),1980, IF(a IN(198,199),1990, IF(a IN(199,200),2000, IF(a IN(200,201),2010, 0))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) as b FROM dd;
297: ERROR 2006: MySQL server has gone away
297: 
297: sphinxql-4> drop table dd;
297: ERROR 2006: MySQL server has gone away

Manticore Search Version:

Operating System Version:

Have you tried the latest development version?

None

Internal Checklist:

^{To be completed by the assignee. Check off tasks that have been completed or are not applicable.}

• Implementation completed
• Tests developed
• Documentation updated
• Documentation reviewed