mirror of
https://github.com/ClickHouse/ClickHouse.git
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50 lines
1.2 KiB
Bash
50 lines
1.2 KiB
Bash
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#!/usr/bin/env bash
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# Tags: long
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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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$CLICKHOUSE_CLIENT -q "create table many_mutations (x UInt32, y UInt32) engine = MergeTree order by x"
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$CLICKHOUSE_CLIENT -q "insert into many_mutations values (0, 0), (1, 1)"
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$CLICKHOUSE_CLIENT -q "system stop merges many_mutations"
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$CLICKHOUSE_CLIENT -q "select x, y from many_mutations order by x"
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job()
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{
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for i in {1..1000}
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do
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$CLICKHOUSE_CLIENT -q "alter table many_mutations update y = y + 1 where 1"
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done
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}
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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wait
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$CLICKHOUSE_CLIENT -q "select count() from system.mutations where database = currentDatabase() and table = 'many_mutations' and not is_done"
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$CLICKHOUSE_CLIENT -q "system start merges many_mutations"
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$CLICKHOUSE_CLIENT -q "optimize table many_mutations final"
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$CLICKHOUSE_CLIENT -q "select count() from system.mutations where database = currentDatabase() and table = 'many_mutations' and not is_done"
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$CLICKHOUSE_CLIENT -q "select x, y from many_mutations order by x"
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