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22 lines
1.2 KiB
Bash
Executable File
22 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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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()" | ${CLICKHOUSE_CLIENT}
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for i in {1..500}; do echo "ALTER TABLE concurrent_alter_column ADD COLUMN c$i DOUBLE;"; done | ${CLICKHOUSE_CLIENT} -n
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for i in {1..100}; do echo "ALTER TABLE concurrent_alter_column ADD COLUMN d DOUBLE" | ${CLICKHOUSE_CLIENT}; sleep `echo 0.0$RANDOM`; echo "ALTER TABLE concurrent_alter_column DROP COLUMN d" | ${CLICKHOUSE_CLIENT} -n; done &
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for i in {1..100}; do echo "ALTER TABLE concurrent_alter_column ADD COLUMN e DOUBLE" | ${CLICKHOUSE_CLIENT}; sleep `echo 0.0$RANDOM`; echo "ALTER TABLE concurrent_alter_column DROP COLUMN e" | ${CLICKHOUSE_CLIENT} -n; done &
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for i in {1..100}; do echo "ALTER TABLE concurrent_alter_column ADD COLUMN f DOUBLE" | ${CLICKHOUSE_CLIENT}; sleep `echo 0.0$RANDOM`; echo "ALTER TABLE concurrent_alter_column DROP COLUMN f" | ${CLICKHOUSE_CLIENT} -n; done &
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wait
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echo "DROP TABLE concurrent_alter_column" | ${CLICKHOUSE_CLIENT}
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echo 'did not crash'
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