ClickHouse/tests/queries/0_stateless/01516_drop_table_stress.sh
2020-10-12 21:46:07 +03:00

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#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
. "$CURDIR"/../shell_config.sh
function drop_database()
{
# redirect stderr since it is racy with DROP TABLE
# and tries to remove db_01516.data too.
${CLICKHOUSE_CLIENT} -q "DROP DATABASE IF EXISTS db_01516" 2>/dev/null
}
function drop_table()
{
${CLICKHOUSE_CLIENT} -nm <<EOL
DROP TABLE IF EXISTS db_01516.data3;
DROP TABLE IF EXISTS db_01516.data1;
DROP TABLE IF EXISTS db_01516.data2;
EOL
}
function create()
{
${CLICKHOUSE_CLIENT} -nm <<EOL
CREATE DATABASE IF NOT EXISTS db_01516;
CREATE TABLE IF NOT EXISTS db_01516.data1 Engine=MergeTree() ORDER BY number AS SELECT * FROM numbers(1);
CREATE TABLE IF NOT EXISTS db_01516.data2 Engine=MergeTree() ORDER BY number AS SELECT * FROM numbers(1);
CREATE TABLE IF NOT EXISTS db_01516.data3 Engine=MergeTree() ORDER BY number AS SELECT * FROM numbers(1);
EOL
}
for _ in {1..100}; do
create
drop_table &
drop_database &
wait
done