ClickHouse/tests/queries/0_stateless/01174_select_insert_isolation.sh
2022-07-18 18:47:35 +03:00

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#!/usr/bin/env bash
# Tags: long, no-ordinary-database
# shellcheck disable=SC2015
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CURDIR"/../shell_config.sh
set -e
$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS mt";
$CLICKHOUSE_CLIENT --query "CREATE TABLE mt (n Int8, m Int8) ENGINE=MergeTree ORDER BY n PARTITION BY 0 < n SETTINGS old_parts_lifetime=0";
function thread_insert_commit()
{
for i in {1..50}; do
$CLICKHOUSE_CLIENT --multiquery --query "
BEGIN TRANSACTION;
INSERT INTO mt VALUES /* ($i, $1) */ ($i, $1);
INSERT INTO mt VALUES /* (-$i, $1) */ (-$i, $1);
COMMIT;";
done
}
function thread_insert_rollback()
{
for _ in {1..50}; do
$CLICKHOUSE_CLIENT --multiquery --query "
BEGIN TRANSACTION;
INSERT INTO mt VALUES /* (42, $1) */ (42, $1);
ROLLBACK;";
done
}
function thread_select()
{
while true; do
# The first and the last queries must get the same result
$CLICKHOUSE_CLIENT --multiquery --query "
BEGIN TRANSACTION;
SET throw_on_unsupported_query_inside_transaction=0;
CREATE TEMPORARY TABLE tmp AS SELECT arraySort(groupArray(n)), arraySort(groupArray(m)), arraySort(groupArray(_part)) FROM mt FORMAT Null;
SELECT throwIf((SELECT sum(n) FROM mt) != 0) FORMAT Null;
SELECT throwIf((SELECT count() FROM mt) % 2 != 0) FORMAT Null;
select throwIf((SELECT * FROM tmp) != (SELECT arraySort(groupArray(n)), arraySort(groupArray(m)), arraySort(groupArray(_part)) FROM mt)) FORMAT Null;
COMMIT;"
done
}
thread_insert_commit 1 & PID_1=$!
thread_insert_commit 2 & PID_2=$!
thread_insert_rollback 3 & PID_3=$!
thread_select & PID_4=$!
wait $PID_1 && wait $PID_2 && wait $PID_3
kill -TERM $PID_4
wait
wait_for_queries_to_finish
$CLICKHOUSE_CLIENT --multiquery --query "
BEGIN TRANSACTION;
SELECT count(), sum(n), sum(m=1), sum(m=2), sum(m=3) FROM mt;";
$CLICKHOUSE_CLIENT --query "SELECT count(), sum(n), sum(m=1), sum(m=2), sum(m=3) FROM mt;"
$CLICKHOUSE_CLIENT --query "DROP TABLE mt";