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MDEV-8624: MariaDB hangs on query with many logical condition

Made no_rows_in_result()/restore_to_before_no_rows_in_result() not looking
annecessary deep with walk() method.
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Oleksandr Byelkin
Oleksandr Byelkin committed Sep 24, 2015
1 parent f804b74 commit 02a38fd27e71fb6657a4da294bd8dd2e1c2b216c
Showing with 405 additions and 8 deletions.
  1. +198 −0 mysql-test/r/func_misc.result
  2. +199 −0 mysql-test/t/func_misc.test
  3. +8 −8 sql/item_func.h
@@ -374,5 +374,203 @@ NULL
Warnings:
Warning 1411 Incorrect timeout value: '-1' for function get_lock
#
# MDEV-8624 MariaDB hangs on query with many logical condition
#
CREATE TABLE `t1` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`submitdate` datetime DEFAULT NULL,
`lastpage` int(11) DEFAULT NULL,
`startlanguage` varchar(20) COLLATE utf8_unicode_ci NOT NULL,
`token` varchar(36) COLLATE utf8_unicode_ci DEFAULT NULL,
`datestamp` datetime NOT NULL,
`startdate` datetime NOT NULL,
`ipaddr` text COLLATE utf8_unicode_ci,
`refurl` text COLLATE utf8_unicode_ci,
`57813X540X1723` text COLLATE utf8_unicode_ci,
`57813X540X1724` text COLLATE utf8_unicode_ci,
`57813X540X1725` text COLLATE utf8_unicode_ci,
`57813X540X1726` double DEFAULT NULL,
`57813X540X1909` double DEFAULT NULL,
`57813X541X17271` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X541X17272` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X541X17273` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X541X17274` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X541X17275` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X541X17276` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X541X17281` text COLLATE utf8_unicode_ci,
`57813X541X17282` text COLLATE utf8_unicode_ci,
`57813X541X17283` text COLLATE utf8_unicode_ci,
`57813X541X17284` text COLLATE utf8_unicode_ci,
`57813X541X17285` text COLLATE utf8_unicode_ci,
`57813X541X17286` text COLLATE utf8_unicode_ci,
`57813X542X18131` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X542X18132` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X542X18133` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X542X18134` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X542X18135` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X542X18136` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X542X18137` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X542X18138` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X542X18139` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X542X18141` text COLLATE utf8_unicode_ci,
`57813X542X18142` text COLLATE utf8_unicode_ci,
`57813X542X18143` text COLLATE utf8_unicode_ci,
`57813X542X18144` text COLLATE utf8_unicode_ci,
`57813X542X18145` text COLLATE utf8_unicode_ci,
`57813X542X18146` text COLLATE utf8_unicode_ci,
`57813X542X18147` text COLLATE utf8_unicode_ci,
`57813X542X18148` text COLLATE utf8_unicode_ci,
`57813X542X18149` text COLLATE utf8_unicode_ci,
`57813X543X18451` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X543X18452` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X543X18453` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X543X18454` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X543X18455` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X543X18456` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X543X18461` text COLLATE utf8_unicode_ci,
`57813X543X18462` text COLLATE utf8_unicode_ci,
`57813X543X18463` text COLLATE utf8_unicode_ci,
`57813X543X18464` text COLLATE utf8_unicode_ci,
`57813X543X18465` text COLLATE utf8_unicode_ci,
`57813X543X18466` text COLLATE utf8_unicode_ci,
`57813X544X18711` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X544X18712` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X544X18713` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X544X18714` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X544X18715` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X544X18716` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X544X18717` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X544X18718` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X544X18721` text COLLATE utf8_unicode_ci,
`57813X544X18722` text COLLATE utf8_unicode_ci,
`57813X544X18723` text COLLATE utf8_unicode_ci,
`57813X544X18724` text COLLATE utf8_unicode_ci,
`57813X544X18725` text COLLATE utf8_unicode_ci,
`57813X544X18726` text COLLATE utf8_unicode_ci,
`57813X544X18727` text COLLATE utf8_unicode_ci,
`57813X544X18728` text COLLATE utf8_unicode_ci,
`57813X546X1902` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X546X1903` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X546X1904` varchar(5) COLLATE utf8_unicode_ci DEFAULT NULL,
`57813X545X1901` varchar(1) COLLATE utf8_unicode_ci DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `lime_survey_57813_idx` (`token`),
KEY `57813X540X1723` (`57813X540X1723`(100)),
KEY `57813X540X1724` (`57813X540X1724`(100)),
KEY `57813X540X1726` (`57813X540X1726`),
KEY `57813X540X1725` (`57813X540X1725`(100)),
KEY `57813X546X1902` (`57813X546X1902`),
KEY `57813X546X1903` (`57813X546X1903`),
KEY `57813X546X1904` (`57813X546X1904`)
);
SELECT
COUNT(*) as `N`,
ROUND(
(
SUM(
(
(
IF( 57813X541X17271 IS NOT NULL AND 57813X541X17271 != '' AND 57813X541X17271 != '99', 57813X541X17271, 0 ) +
IF( 57813X541X17272 IS NOT NULL AND 57813X541X17272 != '' AND 57813X541X17272 != '99', 57813X541X17272, 0 ) +
IF( 57813X541X17273 IS NOT NULL AND 57813X541X17273 != '' AND 57813X541X17273 != '99', 57813X541X17273, 0 ) +
IF( 57813X541X17274 IS NOT NULL AND 57813X541X17274 != '' AND 57813X541X17274 != '99', 57813X541X17274, 0 ) +
IF( 57813X541X17275 IS NOT NULL AND 57813X541X17275 != '' AND 57813X541X17275 != '99', 57813X541X17275, 0 ) +
IF( 57813X541X17276 IS NOT NULL AND 57813X541X17276 != '' AND 57813X541X17276 != '99', 57813X541X17276, 0 ) +
IF( 57813X542X18131 IS NOT NULL AND 57813X542X18131 != '' AND 57813X542X18131 != '99', 57813X542X18131, 0 ) +
IF( 57813X542X18132 IS NOT NULL AND 57813X542X18132 != '' AND 57813X542X18132 != '99', 57813X542X18132, 0 ) +
IF( 57813X542X18133 IS NOT NULL AND 57813X542X18133 != '' AND 57813X542X18133 != '99', 57813X542X18133, 0 ) +
IF( 57813X542X18134 IS NOT NULL AND 57813X542X18134 != '' AND 57813X542X18134 != '99', 57813X542X18134, 0 ) +
IF( 57813X542X18135 IS NOT NULL AND 57813X542X18135 != '' AND 57813X542X18135 != '99', 57813X542X18135, 0 ) +
IF( 57813X542X18136 IS NOT NULL AND 57813X542X18136 != '' AND 57813X542X18136 != '99', 57813X542X18136, 0 ) +
IF( 57813X542X18137 IS NOT NULL AND 57813X542X18137 != '' AND 57813X542X18137 != '99', 57813X542X18137, 0 ) +
IF( 57813X542X18138 IS NOT NULL AND 57813X542X18138 != '' AND 57813X542X18138 != '99', 57813X542X18138, 0 ) +
IF( 57813X542X18139 IS NOT NULL AND 57813X542X18139 != '' AND 57813X542X18139 != '99', 57813X542X18139, 0 ) +
IF( 57813X543X18451 IS NOT NULL AND 57813X543X18451 != '' AND 57813X543X18451 != '99', 57813X543X18451, 0 ) +
IF( 57813X543X18452 IS NOT NULL AND 57813X543X18452 != '' AND 57813X543X18452 != '99', 57813X543X18452, 0 ) +
IF( 57813X543X18453 IS NOT NULL AND 57813X543X18453 != '' AND 57813X543X18453 != '99', 57813X543X18453, 0 ) +
IF( 57813X543X18454 IS NOT NULL AND 57813X543X18454 != '' AND 57813X543X18454 != '99', 57813X543X18454, 0 ) +
IF( 57813X543X18455 IS NOT NULL AND 57813X543X18455 != '' AND 57813X543X18455 != '99', 57813X543X18455, 0 ) +
IF( 57813X543X18456 IS NOT NULL AND 57813X543X18456 != '' AND 57813X543X18456 != '99', 57813X543X18456, 0 ) +
IF( 57813X544X18711 IS NOT NULL AND 57813X544X18711 != '' AND 57813X544X18711 != '99', 57813X544X18711, 0 ) +
IF( 57813X544X18712 IS NOT NULL AND 57813X544X18712 != '' AND 57813X544X18712 != '99', 57813X544X18712, 0 ) +
IF( 57813X544X18713 IS NOT NULL AND 57813X544X18713 != '' AND 57813X544X18713 != '99', 57813X544X18713, 0 ) +
IF( 57813X544X18714 IS NOT NULL AND 57813X544X18714 != '' AND 57813X544X18714 != '99', 57813X544X18714, 0 ) +
IF( 57813X544X18715 IS NOT NULL AND 57813X544X18715 != '' AND 57813X544X18715 != '99', 57813X544X18715, 0 ) +
IF( 57813X544X18716 IS NOT NULL AND 57813X544X18716 != '' AND 57813X544X18716 != '99', 57813X544X18716, 0 ) +
IF( 57813X544X18717 IS NOT NULL AND 57813X544X18717 != '' AND 57813X544X18717 != '99', 57813X544X18717, 0 ) +
IF( 57813X544X18718 IS NOT NULL AND 57813X544X18718 != '' AND 57813X544X18718 != '99', 57813X544X18718, 0 )
)
/
(
IF( 57813X541X17271 IS NOT NULL AND 57813X541X17271 != '' AND 57813X541X17271 != '99', 1, 0 ) +
IF( 57813X541X17272 IS NOT NULL AND 57813X541X17272 != '' AND 57813X541X17272 != '99', 1, 0 ) +
IF( 57813X541X17273 IS NOT NULL AND 57813X541X17273 != '' AND 57813X541X17273 != '99', 1, 0 ) +
IF( 57813X541X17274 IS NOT NULL AND 57813X541X17274 != '' AND 57813X541X17274 != '99', 1, 0 ) +
IF( 57813X541X17275 IS NOT NULL AND 57813X541X17275 != '' AND 57813X541X17275 != '99', 1, 0 ) +
IF( 57813X541X17276 IS NOT NULL AND 57813X541X17276 != '' AND 57813X541X17276 != '99', 1, 0 ) +
IF( 57813X542X18131 IS NOT NULL AND 57813X542X18131 != '' AND 57813X542X18131 != '99', 1, 0 ) +
IF( 57813X542X18132 IS NOT NULL AND 57813X542X18132 != '' AND 57813X542X18132 != '99', 1, 0 ) +
IF( 57813X542X18133 IS NOT NULL AND 57813X542X18133 != '' AND 57813X542X18133 != '99', 1, 0 ) +
IF( 57813X542X18134 IS NOT NULL AND 57813X542X18134 != '' AND 57813X542X18134 != '99', 1, 0 ) +
IF( 57813X542X18135 IS NOT NULL AND 57813X542X18135 != '' AND 57813X542X18135 != '99', 1, 0 ) +
IF( 57813X542X18136 IS NOT NULL AND 57813X542X18136 != '' AND 57813X542X18136 != '99', 1, 0 ) +
IF( 57813X542X18137 IS NOT NULL AND 57813X542X18137 != '' AND 57813X542X18137 != '99', 1, 0 ) +
IF( 57813X542X18138 IS NOT NULL AND 57813X542X18138 != '' AND 57813X542X18138 != '99', 1, 0 ) +
IF( 57813X542X18139 IS NOT NULL AND 57813X542X18139 != '' AND 57813X542X18139 != '99', 1, 0 ) +
IF( 57813X543X18451 IS NOT NULL AND 57813X543X18451 != '' AND 57813X543X18451 != '99', 1, 0 ) +
IF( 57813X543X18452 IS NOT NULL AND 57813X543X18452 != '' AND 57813X543X18452 != '99', 1, 0 ) +
IF( 57813X543X18453 IS NOT NULL AND 57813X543X18453 != '' AND 57813X543X18453 != '99', 1, 0 ) +
IF( 57813X543X18454 IS NOT NULL AND 57813X543X18454 != '' AND 57813X543X18454 != '99', 1, 0 ) +
IF( 57813X543X18455 IS NOT NULL AND 57813X543X18455 != '' AND 57813X543X18455 != '99', 1, 0 ) +
IF( 57813X543X18456 IS NOT NULL AND 57813X543X18456 != '' AND 57813X543X18456 != '99', 1, 0 ) +
IF( 57813X544X18711 IS NOT NULL AND 57813X544X18711 != '' AND 57813X544X18711 != '99', 1, 0 ) +
IF( 57813X544X18712 IS NOT NULL AND 57813X544X18712 != '' AND 57813X544X18712 != '99', 1, 0 ) +
IF( 57813X544X18713 IS NOT NULL AND 57813X544X18713 != '' AND 57813X544X18713 != '99', 1, 0 ) +
IF( 57813X544X18714 IS NOT NULL AND 57813X544X18714 != '' AND 57813X544X18714 != '99', 1, 0 ) +
IF( 57813X544X18715 IS NOT NULL AND 57813X544X18715 != '' AND 57813X544X18715 != '99', 1, 0 ) +
IF( 57813X544X18716 IS NOT NULL AND 57813X544X18716 != '' AND 57813X544X18716 != '99', 1, 0 ) +
IF( 57813X544X18717 IS NOT NULL AND 57813X544X18717 != '' AND 57813X544X18717 != '99', 1, 0 ) +
IF( 57813X544X18718 IS NOT NULL AND 57813X544X18718 != '' AND 57813X544X18718 != '99', 1, 0 )
)
)
)
/ COUNT(*) ), 4) as `AVG`
FROM `t1`
WHERE `submitdate` IS NOT NULL
AND (
( 57813X541X17271 IS NOT NULL AND 57813X541X17271 != '' AND 57813X541X17271 != '99' ) OR
( 57813X541X17272 IS NOT NULL AND 57813X541X17272 != '' AND 57813X541X17272 != '99' ) OR
( 57813X541X17273 IS NOT NULL AND 57813X541X17273 != '' AND 57813X541X17273 != '99' ) OR
( 57813X541X17274 IS NOT NULL AND 57813X541X17274 != '' AND 57813X541X17274 != '99' ) OR
( 57813X541X17275 IS NOT NULL AND 57813X541X17275 != '' AND 57813X541X17275 != '99' ) OR
( 57813X541X17276 IS NOT NULL AND 57813X541X17276 != '' AND 57813X541X17276 != '99' ) OR
( 57813X542X18131 IS NOT NULL AND 57813X542X18131 != '' AND 57813X542X18131 != '99' ) OR
( 57813X542X18132 IS NOT NULL AND 57813X542X18132 != '' AND 57813X542X18132 != '99' ) OR
( 57813X542X18133 IS NOT NULL AND 57813X542X18133 != '' AND 57813X542X18133 != '99' ) OR
( 57813X542X18134 IS NOT NULL AND 57813X542X18134 != '' AND 57813X542X18134 != '99' ) OR
( 57813X542X18135 IS NOT NULL AND 57813X542X18135 != '' AND 57813X542X18135 != '99' ) OR
( 57813X542X18136 IS NOT NULL AND 57813X542X18136 != '' AND 57813X542X18136 != '99' ) OR
( 57813X542X18137 IS NOT NULL AND 57813X542X18137 != '' AND 57813X542X18137 != '99' ) OR
( 57813X542X18138 IS NOT NULL AND 57813X542X18138 != '' AND 57813X542X18138 != '99' ) OR
( 57813X542X18139 IS NOT NULL AND 57813X542X18139 != '' AND 57813X542X18139 != '99' ) OR
( 57813X543X18451 IS NOT NULL AND 57813X543X18451 != '' AND 57813X543X18451 != '99' ) OR
( 57813X543X18452 IS NOT NULL AND 57813X543X18452 != '' AND 57813X543X18452 != '99' ) OR
( 57813X543X18453 IS NOT NULL AND 57813X543X18453 != '' AND 57813X543X18453 != '99' ) OR
( 57813X543X18454 IS NOT NULL AND 57813X543X18454 != '' AND 57813X543X18454 != '99' ) OR
( 57813X543X18455 IS NOT NULL AND 57813X543X18455 != '' AND 57813X543X18455 != '99' ) OR
( 57813X543X18456 IS NOT NULL AND 57813X543X18456 != '' AND 57813X543X18456 != '99' ) OR
( 57813X544X18711 IS NOT NULL AND 57813X544X18711 != '' AND 57813X544X18711 != '99' ) OR
( 57813X544X18712 IS NOT NULL AND 57813X544X18712 != '' AND 57813X544X18712 != '99' ) OR
( 57813X544X18713 IS NOT NULL AND 57813X544X18713 != '' AND 57813X544X18713 != '99' ) OR
( 57813X544X18714 IS NOT NULL AND 57813X544X18714 != '' AND 57813X544X18714 != '99' ) OR
( 57813X544X18715 IS NOT NULL AND 57813X544X18715 != '' AND 57813X544X18715 != '99' ) OR
( 57813X544X18716 IS NOT NULL AND 57813X544X18716 != '' AND 57813X544X18716 != '99' ) OR
( 57813X544X18717 IS NOT NULL AND 57813X544X18717 != '' AND 57813X544X18717 != '99' ) OR
( 57813X544X18718 IS NOT NULL AND 57813X544X18718 != '' AND 57813X544X18718 != '99' ) )
AND 57813X540X1723 = 'Test';
N AVG
0 NULL
drop table t1;
#
# End of 5.5 tests
#

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