#!/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 "create table mt (n int) engine=MergeTree order by n" $CLICKHOUSE_CLIENT -q "insert into mt values (1)" $CLICKHOUSE_CLIENT -q "insert into mt values (2)" $CLICKHOUSE_CLIENT -q "insert into mt values (3)" function thread_insert() { while true; do $CLICKHOUSE_CLIENT -q "insert into mt values (rand())"; done } function thread_detach_attach() { while true; do $CLICKHOUSE_CLIENT -q "alter table mt detach partition id 'all'"; $CLICKHOUSE_CLIENT -q "alter table mt attach partition id 'all'"; done } function thread_drop_detached() { while true; do $CLICKHOUSE_CLIENT --allow_drop_detached -q "alter table mt drop detached partition id 'all'"; done } export -f thread_insert; export -f thread_detach_attach; export -f thread_drop_detached; TIMEOUT=10 timeout $TIMEOUT bash -c thread_insert & timeout $TIMEOUT bash -c thread_detach_attach 2> /dev/null & timeout $TIMEOUT bash -c thread_detach_attach 2> /dev/null & timeout $TIMEOUT bash -c thread_drop_detached 2> /dev/null & wait $CLICKHOUSE_CLIENT -q "drop table mt"