mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-05 15:21:43 +00:00
76 lines
2.5 KiB
Bash
Executable File
76 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
set -e
|
|
|
|
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
|
|
# shellcheck source=../shell_config.sh
|
|
. "$CURDIR"/../shell_config.sh
|
|
|
|
echo "DROP TABLE IF EXISTS concurrent_alter_column" | ${CLICKHOUSE_CLIENT}
|
|
echo "CREATE TABLE concurrent_alter_column (ts DATETIME) ENGINE = MergeTree PARTITION BY toStartOfDay(ts) ORDER BY tuple()" | ${CLICKHOUSE_CLIENT}
|
|
|
|
function thread1()
|
|
{
|
|
while true; do
|
|
for i in {1..500}; do echo "ALTER TABLE concurrent_alter_column ADD COLUMN c$i DOUBLE;"; done | ${CLICKHOUSE_CLIENT} -n --query_id=alter_00816_1
|
|
done
|
|
}
|
|
|
|
function thread2()
|
|
{
|
|
while true; do
|
|
echo "ALTER TABLE concurrent_alter_column ADD COLUMN d DOUBLE" | ${CLICKHOUSE_CLIENT} --query_id=alter_00816_2;
|
|
sleep "$(echo 0.0$RANDOM)";
|
|
echo "ALTER TABLE concurrent_alter_column DROP COLUMN d" | ${CLICKHOUSE_CLIENT} --query_id=alter_00816_2;
|
|
done
|
|
}
|
|
|
|
function thread3()
|
|
{
|
|
while true; do
|
|
echo "ALTER TABLE concurrent_alter_column ADD COLUMN e DOUBLE" | ${CLICKHOUSE_CLIENT} --query_id=alter_00816_3;
|
|
sleep "$(echo 0.0$RANDOM)";
|
|
echo "ALTER TABLE concurrent_alter_column DROP COLUMN e" | ${CLICKHOUSE_CLIENT} --query_id=alter_00816_3;
|
|
done
|
|
}
|
|
|
|
function thread4()
|
|
{
|
|
while true; do
|
|
echo "ALTER TABLE concurrent_alter_column ADD COLUMN f DOUBLE" | ${CLICKHOUSE_CLIENT} --query_id=alter_00816_4;
|
|
sleep "$(echo 0.0$RANDOM)";
|
|
echo "ALTER TABLE concurrent_alter_column DROP COLUMN f" | ${CLICKHOUSE_CLIENT} --query_id=alter_00816_4;
|
|
done
|
|
}
|
|
|
|
# https://stackoverflow.com/questions/9954794/execute-a-shell-function-with-timeout
|
|
export -f thread1;
|
|
export -f thread2;
|
|
export -f thread3;
|
|
export -f thread4;
|
|
|
|
TIMEOUT=30
|
|
|
|
timeout $TIMEOUT bash -c thread1 2> /dev/null &
|
|
timeout $TIMEOUT bash -c thread2 2> /dev/null &
|
|
timeout $TIMEOUT bash -c thread3 2> /dev/null &
|
|
timeout $TIMEOUT bash -c thread4 2> /dev/null &
|
|
|
|
wait
|
|
|
|
echo "DROP TABLE concurrent_alter_column NO DELAY" | ${CLICKHOUSE_CLIENT} # NO DELAY has effect only for Atomic database
|
|
|
|
db_engine=`$CLICKHOUSE_CLIENT -q "SELECT engine FROM system.databases WHERE name='$CLICKHOUSE_DATABASE'"`
|
|
if [[ $db_engine == "Atomic" ]]; then
|
|
# DROP is non-blocking, so wait for alters
|
|
while true; do
|
|
$CLICKHOUSE_CLIENT -q "SELECT c = 0 FROM (SELECT count() as c FROM system.processes WHERE query_id LIKE 'alter_00816_%')" | grep 1 > /dev/null && break;
|
|
sleep 1;
|
|
done
|
|
fi
|
|
|
|
# Check for deadlocks
|
|
echo "SELECT * FROM system.processes WHERE query_id LIKE 'alter_00816_%'" | ${CLICKHOUSE_CLIENT}
|
|
|
|
echo 'did not crash'
|