mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 04:22:27 +01:00
b9ce8572d9
If there is no net.vio then query cache cant't get data via net_real_write() so it is better just do not try to cache such query.
19 lines
758 B
Text
19 lines
758 B
Text
#
|
|
# MDEV-4520: Assertion `0' fails in Query_cache::end_of_result on
|
|
# concurrent drop event and event execution
|
|
#
|
|
set GLOBAL query_cache_size=1355776;
|
|
create user mysqltest1@localhost;
|
|
grant SELECT on test.* to mysqltest1@localhost;
|
|
create table t1 (a int);
|
|
# This explain put here to be sure that init connection query
|
|
# has 'Impossible WHERE'.
|
|
explain extended select * from test.t1 where 0;
|
|
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
|
|
Warnings:
|
|
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where 0
|
|
revoke all privileges, grant option from mysqltest1@localhost;
|
|
drop user mysqltest1@localhost;
|
|
drop table t1;
|
|
set GLOBAL query_cache_size=default;
|