#!/usr/bin/env bash
# Tags: long

set -e

CLICKHOUSE_CLIENT_SERVER_LOGS_LEVEL=none

CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CUR_DIR"/../shell_config.sh

${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS t"
${CLICKHOUSE_CLIENT} --query="CREATE TABLE t (x Int8) ENGINE = MergeTree ORDER BY ()"


function thread()
{
    trap 'BREAK=1' 2

    while [[ -z "${BREAK}" ]]
    do
        ${CLICKHOUSE_CLIENT} --query="OPTIMIZE TABLE t FINAL;" 2>&1 | tr -d '\n' | rg -v 'Cancelled merging parts' ||:
    done
}

thread &
pid=$!

for i in {1..100}; do
    echo "
        INSERT INTO t VALUES (0);
        INSERT INTO t VALUES (0);
        TRUNCATE TABLE t;
        SELECT count() FROM t HAVING count() > 0;
        SELECT ${i};
        "
done | ${CLICKHOUSE_CLIENT} --multiquery

kill -2 "$pid"
wait

$CLICKHOUSE_CLIENT -q "DROP TABLE t"