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MDEV-26452 SIGSEGV in Item::cleanup from Item::cleanup_processor

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This commit is contained in:
Sergei Golubchik
2021-08-23 15:54:07 +02:00
parent 0299ec29d4
commit 0860b17ef3
3 changed files with 30 additions and 9 deletions
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21
mysql-test/main/count_distinct.test
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@ -2,10 +2,6 @@
# Problem with count(distinct)
#
--disable_warnings
drop table if exists t1,t2,t3;
--enable_warnings
create table t1 (libname varchar(21) not null, city text, primary key (libname));
create table t2 (isbn varchar(21) not null, author text, title text, primary key (isbn));
create table t3 (isbn varchar(21) not null, libname varchar(21) not null, quantity int ,primary key (isbn,libname));
@ -149,6 +145,17 @@ select count(distinct a) from t1;
drop table t1;
set @@tmp_table_size = default;
#
# End of 5.5 tests
#
--echo #
--echo # End of 5.5 tests
--echo #
--echo #
--echo # MDEV-26452 SIGSEGV in Item::cleanup from Item::cleanup_processor
--echo #
create table t (a int,b date,primary key(a,b));
select b,count(distinct a) from t group by b having b is null;
drop table t;
--echo #
--echo # End of 10.7 tests
--echo #