#!/usr/bin/env bash

set -e

CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
. $CURDIR/../shell_config.sh


$CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS test.cannot_kill_query"
$CLICKHOUSE_CLIENT -q "CREATE TABLE test.cannot_kill_query (x UInt64) ENGINE = MergeTree ORDER BY x" &> /dev/null
$CLICKHOUSE_CLIENT -q "INSERT INTO test.cannot_kill_query SELECT * FROM numbers(10000000)" &> /dev/null

query_for_pending="SELECT count() FROM test.cannot_kill_query WHERE NOT ignore(sleep(1)) SETTINGS max_threads=1, max_block_size=1"
$CLICKHOUSE_CLIENT -q "$query_for_pending" &>/dev/null &

$CLICKHOUSE_CLIENT -q "ALTER TABLE test.cannot_kill_query MODIFY COLUMN x UInt64" &>/dev/null &

query_to_kill="SELECT sum(1) FROM test.cannot_kill_query WHERE NOT ignore(sleep(1)) SETTINGS max_threads=1"
$CLICKHOUSE_CLIENT -q "$query_to_kill" &>/dev/null &

sleep 3 # just to be sure that 'KILL ...' will be executed after 'SELECT ... WHERE NOT ignore(sleep(1))'

timeout 15 $CLICKHOUSE_CLIENT -q "KILL QUERY WHERE query='$query_to_kill' SYNC" &>/dev/null

$CLICKHOUSE_CLIENT -q "SELECT count() FROM system.processes where query='$query_to_kill'"

$CLICKHOUSE_CLIENT -q "KILL QUERY WHERE query='$query_for_pending'" &>/dev/null & # kill pending query

$CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS test.cannot_kill_query" &>/dev/null