#!/usr/bin/env bash CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd) . $CURDIR/../shell_config.sh $CLICKHOUSE_CLIENT --query "DROP DATABASE IF EXISTS ordinary_db" $CLICKHOUSE_CLIENT --query "CREATE DATABASE ordinary_db" $CLICKHOUSE_CLIENT -n -q " CREATE DICTIONARY ordinary_db.dict1 ( key_column UInt64 DEFAULT 0, second_column UInt8 DEFAULT 1, third_column String DEFAULT 'qqq' ) PRIMARY KEY key_column SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'view_for_dict' PASSWORD '' DB 'ordinary_db')) LIFETIME(MIN 1 MAX 3) LAYOUT(CACHE(SIZE_IN_CELLS 3)); " function dict_get_thread() { while true; do $CLICKHOUSE_CLIENT --query "SELECT dictGetString('ordinary_db.dict1', 'third_column', toUInt64(rand() % 1000)) from numbers(2)" &>/dev/null done } function drop_create_table_thread() { while true; do $CLICKHOUSE_CLIENT -n --query "CREATE TABLE ordinary_db.table_for_dict_real ( key_column UInt64, second_column UInt8, third_column String ) ENGINE MergeTree() ORDER BY tuple(); INSERT INTO ordinary_db.table_for_dict_real SELECT number, number, toString(number) from numbers(2); CREATE VIEW ordinary_db.view_for_dict AS SELECT key_column, second_column, third_column from ordinary_db.table_for_dict_real WHERE sleepEachRow(1) == 0; " sleep 10 $CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS ordinary_db.table_for_dict_real" sleep 10 done } export -f dict_get_thread; export -f drop_create_table_thread; TIMEOUT=30 timeout $TIMEOUT bash -c dict_get_thread 2> /dev/null & timeout $TIMEOUT bash -c dict_get_thread 2> /dev/null & timeout $TIMEOUT bash -c dict_get_thread 2> /dev/null & timeout $TIMEOUT bash -c dict_get_thread 2> /dev/null & timeout $TIMEOUT bash -c dict_get_thread 2> /dev/null & timeout $TIMEOUT bash -c dict_get_thread 2> /dev/null & timeout $TIMEOUT bash -c drop_create_table_thread 2> /dev/null & wait $CLICKHOUSE_CLIENT --query "DROP DATABASE IF EXISTS ordinary_db"