mirror of
https://github.com/ClickHouse/ClickHouse.git
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44 lines
1.7 KiB
Bash
44 lines
1.7 KiB
Bash
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#!/usr/bin/env bash
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# Test that ensures that WRITE lock failure notifies READ.
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# In other words to ensure that after WRITE lock failure (DROP),
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# READ lock (SELECT) available instantly.
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CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CUR_DIR"/../shell_config.sh
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function wait_query_by_id_started()
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{
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local query_id=$1 && shift
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# wait for query to be started
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while [ "$($CLICKHOUSE_CLIENT "$@" -q "select count() from system.processes where query_id = '$query_id'")" -ne 1 ]; do
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sleep 0.1
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done
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}
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# to avoid removal via separate thread
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$CLICKHOUSE_CLIENT -q "CREATE DATABASE ${CLICKHOUSE_DATABASE}_ordinary Engine=Ordinary" --allow_deprecated_database_ordinary=1
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$CLICKHOUSE_CLIENT -q "CREATE TABLE ${CLICKHOUSE_DATABASE}_ordinary.data_02352 (key Int) Engine=Null()"
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query_id="insert-$(random_str 10)"
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# 20 seconds sleep
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$CLICKHOUSE_CLIENT --query_id "$query_id" -q "INSERT INTO ${CLICKHOUSE_DATABASE}_ordinary.data_02352 SELECT sleepEachRow(1) FROM numbers(20) GROUP BY number" &
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wait_query_by_id_started "$query_id"
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query_id="drop-$(random_str 10)"
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# 10 second wait
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$CLICKHOUSE_CLIENT --query_id "$query_id" -q "DROP TABLE ${CLICKHOUSE_DATABASE}_ordinary.data_02352 SYNC" --lock_acquire_timeout 10 > >(grep -m1 -o 'WRITE locking attempt on ".*" has timed out') 2>&1 &
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wait_query_by_id_started "$query_id"
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# NOTE: we need to run SELECT after DROP and
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# if the bug is there, then the query will wait 20 seconds (INSERT), instead of 10 (DROP) and will fail
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#
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# 11 seconds wait (DROP + 1 second lag)
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$CLICKHOUSE_CLIENT -q "SELECT * FROM ${CLICKHOUSE_DATABASE}_ordinary.data_02352" --lock_acquire_timeout 11
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# wait DROP and INSERT
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wait
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$CLICKHOUSE_CLIENT -q "DROP DATABASE ${CLICKHOUSE_DATABASE}_ordinary"
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