#!/usr/bin/env bash set -e CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd) . $CURDIR/../shell_config.sh echo "DROP TABLE IF EXISTS test.test" | ${CLICKHOUSE_CLIENT} echo "CREATE TABLE test.test (ts DATETIME) ENGINE = MergeTree PARTITION BY toStartOfDay(ts) ORDER BY tuple()" | ${CLICKHOUSE_CLIENT} for i in {1..500}; do echo "ALTER TABLE test.test ADD COLUMN c$i DOUBLE;"; done | ${CLICKHOUSE_CLIENT} -n for i in {1..500}; do echo "ALTER TABLE test.test ADD COLUMN d DOUBLE" | ${CLICKHOUSE_CLIENT}; echo "ALTER TABLE test.test DROP COLUMN d" | ${CLICKHOUSE_CLIENT} -n; done & for i in {1..500}; do echo "ALTER TABLE test.test ADD COLUMN e DOUBLE" | ${CLICKHOUSE_CLIENT}; echo "ALTER TABLE test.test DROP COLUMN e" | ${CLICKHOUSE_CLIENT} -n; done & wait echo "DROP TABLE test.test" | ${CLICKHOUSE_CLIENT}