#!/usr/bin/env bash # Tags: no-parallel set -e CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd) # shellcheck source=../shell_config.sh . "$CURDIR"/../shell_config.sh ${CLICKHOUSE_CLIENT} --query "DROP DATABASE IF EXISTS parallel_ddl" function query() { for _ in {1..50}; do ${CLICKHOUSE_CLIENT} --query "CREATE DATABASE IF NOT EXISTS parallel_ddl" ${CLICKHOUSE_CLIENT} --query "DROP DATABASE IF EXISTS parallel_ddl" done } for _ in {1..2}; do query & done wait ${CLICKHOUSE_CLIENT} --query "DROP DATABASE IF EXISTS parallel_ddl"