ClickHouse/tests/queries/0_stateless/00705_drop_create_merge_tree.sh

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#!/usr/bin/env bash
set -e
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CURDIR"/../shell_config.sh
function stress()
{
while true; do
${CLICKHOUSE_CLIENT} --query "CREATE TABLE IF NOT EXISTS table (x UInt8) ENGINE = MergeTree ORDER BY tuple()" 2>/dev/null
${CLICKHOUSE_CLIENT} --query "DROP TABLE table" 2>/dev/null
done
}
# https://stackoverflow.com/questions/9954794/execute-a-shell-function-with-timeout
export -f stress
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for _ in {1..5}; do
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# Ten seconds are just barely enough to reproduce the issue in most of runs.
timeout 10 bash -c stress &
done
wait
echo
${CLICKHOUSE_CLIENT} --query "DROP TABLE IF EXISTS table";