#!/usr/bin/env bash # Tags: race CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd) # shellcheck source=../shell_config.sh . "$CURDIR"/../shell_config.sh $CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS join_table_race" $CLICKHOUSE_CLIENT -q "CREATE TABLE join_table_race(id Int32, name String) ENGINE = Join(ANY, LEFT, id)" for _ in {0..100}; do $CLICKHOUSE_CLIENT -q "INSERT INTO join_table_race VALUES ($RANDOM, '$RANDOM')" > /dev/null 2> /dev/null; done & for _ in {0..200}; do $CLICKHOUSE_CLIENT -q "SELECT count() FROM join_table_race FORMAT Null" > /dev/null 2> /dev/null; done & for _ in {0..100}; do $CLICKHOUSE_CLIENT -q "TRUNCATE TABLE join_table_race" > /dev/null 2> /dev/null; done & for _ in {0..100}; do $CLICKHOUSE_CLIENT -q "ALTER TABLE join_table_race DELETE WHERE id % 2 = 0" > /dev/null 2> /dev/null; done & wait $CLICKHOUSE_CLIENT -q "TRUNCATE TABLE join_table_race" $CLICKHOUSE_CLIENT -q "INSERT INTO join_table_race VALUES (1, 'foo')" $CLICKHOUSE_CLIENT -q "SELECT id, name FROM join_table_race" $CLICKHOUSE_CLIENT -q "DROP TABLE join_table_race"