thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-24 08:32:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

Now the test reproduces the issue clearly

Browse Source
This commit is contained in:
Alexey Milovidov 2019-05-05 02:38:40 +03:00
parent ad3a475346
commit a924e1c5fb
1 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
dbms/tests/queries/0_stateless/00941_system_columns_race_condition.sh
View File

@ -12,7 +12,7 @@ $CLICKHOUSE_CLIENT -q "CREATE TABLE alter_table (a UInt8, b Int16, c Float32, d
function thread1()
{
while true; do $CLICKHOUSE_CLIENT --query "SELECT * FROM system.columns FORMAT Null"; done
while true; do $CLICKHOUSE_CLIENT --query "SELECT name FROM system.columns UNION ALL SELECT name FROM system.columns FORMAT Null"; done
}
function thread2()
@ -24,8 +24,14 @@ function thread2()
export -f thread1;
export -f thread2;
timeout 5 bash -c thread1 &
timeout 5 bash -c thread2 &
timeout 5 bash -c thread1 > /dev/null &
timeout 5 bash -c thread1 > /dev/null &
timeout 5 bash -c thread1 > /dev/null &
timeout 5 bash -c thread1 > /dev/null &
timeout 5 bash -c thread2 > /dev/null &
timeout 5 bash -c thread2 > /dev/null &
timeout 5 bash -c thread2 > /dev/null &
timeout 5 bash -c thread2 > /dev/null &
wait