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fix(dbcon): MCOL-4756: having not() provokes an ERROR 2013

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The `NOT()` function in the HAVING clause was handled
    incorrectly, which caused the server to crash.
This commit is contained in:
Aleksei Antipovskii
2024-07-30 13:04:26 +02:00
committed by Leonid Fedorov
parent 13b23e8510
commit 221ccfd5b6
3 changed files with 26 additions and 1 deletions
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3
dbcon/mysql/ha_mcs_execplan.cpp
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@ -2247,7 +2247,8 @@ bool buildPredicateItem(Item_func* ifp, gp_walk_info* gwip)
idbassert(ifp->argument_count() == 1); idbassert(ifp->argument_count() == 1);
ParseTree* ptp = 0; ParseTree* ptp = 0;
if (((Item_func*)(ifp->arguments()[0]))->functype() == Item_func::EQUAL_FUNC) Item_func* argfp = dynamic_cast<Item_func*>(ifp->arguments()[0]);
if (argfp && argfp->functype() == Item_func::EQUAL_FUNC)
{ {
// negate it in place // negate it in place
// Note that an EQUAL_FUNC ( a <=> b) was converted to // Note that an EQUAL_FUNC ( a <=> b) was converted to

9
mysql-test/columnstore/bugfixes/mcol-4756.result Normal file
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@ -0,0 +1,9 @@
DROP DATABASE IF EXISTS `mcol_4756`;
CREATE DATABASE `mcol_4756`;
USE `mcol_4756`;
CREATE TABLE `manu_test` (id tinyint unsigned NOT NULL, test tinyint default null) ENGINE=Columnstore DEFAULT CHARSET=utf8;
INSERT INTO `manu_test` (`id`, `test`) VALUES (1,0), (2,1), (3,null);
SELECT id, test FROM manu_test HAVING NOT(test);
id test
1 0
DROP DATABASE `mcol_4756`;

15
mysql-test/columnstore/bugfixes/mcol-4756.test Normal file
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@ -0,0 +1,15 @@
--source ../include/have_columnstore.inc
--disable_warnings
DROP DATABASE IF EXISTS `mcol_4756`;
--enable_warnings
CREATE DATABASE `mcol_4756`;
USE `mcol_4756`;
CREATE TABLE `manu_test` (id tinyint unsigned NOT NULL, test tinyint default null) ENGINE=Columnstore DEFAULT CHARSET=utf8;
INSERT INTO `manu_test` (`id`, `test`) VALUES (1,0), (2,1), (3,null);
SELECT id, test FROM manu_test HAVING NOT(test);
# cleanup
DROP DATABASE `mcol_4756`;