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50 lines
1.7 KiB
Bash
Executable File
50 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Tags: race
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# Test fix for issue #5066
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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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set -e
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$CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS alter_table"
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$CLICKHOUSE_CLIENT -q "CREATE TABLE alter_table (a UInt8, b Int16, c Float32, d String, e Array(UInt8), f Nullable(UUID), g Tuple(UInt8, UInt16)) ENGINE = MergeTree ORDER BY a"
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function thread1()
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{
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# NOTE: database = $CLICKHOUSE_DATABASE is unwanted
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while true; do $CLICKHOUSE_CLIENT --query "SELECT name FROM system.columns UNION ALL SELECT name FROM system.columns FORMAT Null"; done
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}
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function thread2()
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{
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while true; do $CLICKHOUSE_CLIENT -n --query "ALTER TABLE alter_table ADD COLUMN h String; ALTER TABLE alter_table MODIFY COLUMN h UInt64; ALTER TABLE alter_table DROP COLUMN h;"; 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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timeout 15 bash -c thread1 2> /dev/null &
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timeout 15 bash -c thread1 2> /dev/null &
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timeout 15 bash -c thread1 2> /dev/null &
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timeout 15 bash -c thread1 2> /dev/null &
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timeout 15 bash -c thread2 2> /dev/null &
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timeout 15 bash -c thread2 2> /dev/null &
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timeout 15 bash -c thread2 2> /dev/null &
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timeout 15 bash -c thread2 2> /dev/null &
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timeout 15 bash -c thread1 2> /dev/null &
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timeout 15 bash -c thread1 2> /dev/null &
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timeout 15 bash -c thread1 2> /dev/null &
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timeout 15 bash -c thread1 2> /dev/null &
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timeout 15 bash -c thread2 2> /dev/null &
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timeout 15 bash -c thread2 2> /dev/null &
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timeout 15 bash -c thread2 2> /dev/null &
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timeout 15 bash -c thread2 2> /dev/null &
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wait
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$CLICKHOUSE_CLIENT -q "DROP TABLE alter_table"
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