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https://github.com/ClickHouse/ClickHouse.git
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71 lines
2.3 KiB
Bash
Executable File
71 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Tags: long
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set -e
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CURDIR"/../shell_config.sh
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echo "DROP TABLE IF EXISTS concurrent_alter_column" | ${CLICKHOUSE_CLIENT}
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echo "CREATE TABLE concurrent_alter_column (ts DATETIME) ENGINE = MergeTree PARTITION BY toStartOfDay(ts) ORDER BY tuple()" | ${CLICKHOUSE_CLIENT}
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function thread1()
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{
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while true; do
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for i in {1..500}; do echo "ALTER TABLE concurrent_alter_column ADD COLUMN c$i DOUBLE;"; done | ${CLICKHOUSE_CLIENT} -n --query_id=alter_00816_1
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done
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}
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function thread2()
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{
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while true; do
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echo "ALTER TABLE concurrent_alter_column ADD COLUMN d DOUBLE" | ${CLICKHOUSE_CLIENT} --query_id=alter_00816_2;
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sleep "$(echo 0.0$RANDOM)";
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echo "ALTER TABLE concurrent_alter_column DROP COLUMN d" | ${CLICKHOUSE_CLIENT} --query_id=alter_00816_2;
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done
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}
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function thread3()
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{
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while true; do
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echo "ALTER TABLE concurrent_alter_column ADD COLUMN e DOUBLE" | ${CLICKHOUSE_CLIENT} --query_id=alter_00816_3;
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sleep "$(echo 0.0$RANDOM)";
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echo "ALTER TABLE concurrent_alter_column DROP COLUMN e" | ${CLICKHOUSE_CLIENT} --query_id=alter_00816_3;
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done
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}
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function thread4()
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{
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while true; do
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echo "ALTER TABLE concurrent_alter_column ADD COLUMN f DOUBLE" | ${CLICKHOUSE_CLIENT} --query_id=alter_00816_4;
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sleep "$(echo 0.0$RANDOM)";
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echo "ALTER TABLE concurrent_alter_column DROP COLUMN f" | ${CLICKHOUSE_CLIENT} --query_id=alter_00816_4;
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done
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}
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# https://stackoverflow.com/questions/9954794/execute-a-shell-function-with-timeout
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export -f thread1;
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export -f thread2;
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export -f thread3;
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export -f thread4;
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TIMEOUT=30
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timeout $TIMEOUT bash -c thread1 2> /dev/null &
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timeout $TIMEOUT bash -c thread2 2> /dev/null &
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timeout $TIMEOUT bash -c thread3 2> /dev/null &
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timeout $TIMEOUT bash -c thread4 2> /dev/null &
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wait
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echo "DROP TABLE concurrent_alter_column NO DELAY" | ${CLICKHOUSE_CLIENT} # NO DELAY has effect only for Atomic database
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# Wait for alters and check for deadlocks (in case of deadlock this loop will not finish)
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while true; do
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echo "SELECT * FROM system.processes WHERE query_id LIKE 'alter\\_00816\\_%'" | ${CLICKHOUSE_CLIENT} | grep -q -F 'alter' || break
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sleep 1;
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done
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echo 'did not crash'
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