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Add test for race condition

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This commit is contained in:
alesapin 2019-08-07 16:35:28 +03:00
parent ea17d033ec
commit 5177309001
3 changed files with 34 additions and 1 deletions
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1
dbms/tests/queries/0_stateless/00980_alter_settings_race.reference Normal file
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@ -0,0 +1 @@
1

32
dbms/tests/queries/0_stateless/00980_alter_settings_race.sh Executable file
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#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
. $CURDIR/../shell_config.sh
$CLICKHOUSE_CLIENT --query="DROP TABLE IF EXISTS table_for_concurrent_alter"
$CLICKHOUSE_CLIENT --query="CREATE TABLE table_for_concurrent_alter (id UInt64, Data String) ENGINE = MergeTree() ORDER BY id SETTINGS index_granularity=4096;";
n=0
while [ "$n" -lt 100 ];
do
n=$(( n + 1 ))
$CLICKHOUSE_CLIENT --query="INSERT INTO table_for_concurrent_alter VALUES(1, 'Hello')" > /dev/null 2> /dev/null &
$CLICKHOUSE_CLIENT --query="OPTIMIZE TABLE table_for_concurrent_alter FINAL" > /dev/null 2> /dev/null &
done &
q=0
while [ "$q" -lt 100 ];
do
q=$(( q + 1 ))
counter=$(( 100 + q ))
$CLICKHOUSE_CLIENT --query="ALTER TABLE table_for_concurrent_alter MODIFY SETTING parts_to_throw_insert = $counter, parts_to_delay_insert = $counter, min_merge_bytes_to_use_direct_io = $counter" > /dev/null 2> /dev/null &
done &
sleep 4
# we just test race conditions, not logic
$CLICKHOUSE_CLIENT --query "SELECT 1"
$CLICKHOUSE_CLIENT --query="DROP TABLE IF EXISTS table_for_concurrent_alter"

2
dbms/tests/queries/0_stateless/00980_merge_alter_settings.sql
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@ -35,7 +35,7 @@ INSERT INTO table_for_alter VALUES (2, '2'); -- { serverError 252 }
ALTER TABLE table_for_alter MODIFY SETTING xxx_yyy=124; -- { serverError 115 }
ALTER TABLE table_for_alter MODIFY SETTING parts_to_throw_insert = 100, parts_to_delay_insert = 100;
ALTER TABLE table_for_alter MODIFY SETTING parts_to_throw_insert = 100, parts_to_delay_insert = 100;
INSERT INTO table_for_alter VALUES (2, '2');