mirror of
https://github.com/ClickHouse/ClickHouse.git
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35 lines
1.4 KiB
Bash
35 lines
1.4 KiB
Bash
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#!/usr/bin/env bash
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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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$CLICKHOUSE_CLIENT -q "drop table if exists 02900_buffer"
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$CLICKHOUSE_CLIENT -q "drop table if exists 02900_destination"
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$CLICKHOUSE_CLIENT -q "create table 02900_destination (k Int8, v String) engine Memory"
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$CLICKHOUSE_CLIENT -q "create table 02900_buffer (k Int8) engine Buffer(currentDatabase(), '02900_destination', 1, 1000, 1000, 10000, 10000, 1000000, 1000000)"
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$CLICKHOUSE_CLIENT -q "insert into 02900_buffer (k) select 0"
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# Start a long-running INSERT that uses the old schema.
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$CLICKHOUSE_CLIENT -q "insert into 02900_buffer (k) select sleepEachRow(1)+1 from numbers(5) settings max_block_size=1, max_insert_block_size=1, min_insert_block_size_rows=0, min_insert_block_size_bytes=0" &
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sleep 1
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$CLICKHOUSE_CLIENT -q "alter table 02900_buffer add column v String"
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$CLICKHOUSE_CLIENT -q "insert into 02900_buffer (k, v) select 2, 'bobr'"
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wait
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# The data produced by the long-running INSERT after the ALTER is not visible until flushed.
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$CLICKHOUSE_CLIENT -q "select * from 02900_buffer where k != 1 order by k"
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$CLICKHOUSE_CLIENT -q "optimize table 02900_buffer"
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$CLICKHOUSE_CLIENT -q "select * from 02900_buffer order by k"
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$CLICKHOUSE_CLIENT -q "drop table 02900_buffer"
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$CLICKHOUSE_CLIENT -q "drop table 02900_destination"
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