mirror of
https://github.com/ClickHouse/ClickHouse.git
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68 lines
2.3 KiB
Bash
Executable File
68 lines
2.3 KiB
Bash
Executable File
#!/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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# Wait for number of parts in table $1 to become $2.
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# Print the changed value. If no changes for $3 seconds, prints initial value.
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wait_for_number_of_parts() {
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for _ in `seq $3`
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do
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sleep 1
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res=`$CLICKHOUSE_CLIENT -q "SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='$1' AND active"`
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if [ "$res" -eq "$2" ]
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then
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echo "$res"
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return
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fi
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done
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echo "$res"
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}
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$CLICKHOUSE_CLIENT -nmq "
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DROP TABLE IF EXISTS test_without_merge;
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DROP TABLE IF EXISTS test_with_merge;
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SELECT 'Without merge';
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CREATE TABLE test_without_merge (i Int64) ENGINE = MergeTree ORDER BY i SETTINGS merge_selecting_sleep_ms=1000;
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INSERT INTO test_without_merge SELECT 1;
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INSERT INTO test_without_merge SELECT 2;
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INSERT INTO test_without_merge SELECT 3;"
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wait_for_number_of_parts 'test_without_merge' 1 10
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$CLICKHOUSE_CLIENT -nmq "
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DROP TABLE test_without_merge;
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SELECT 'With merge any part range';
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CREATE TABLE test_with_merge (i Int64) ENGINE = MergeTree ORDER BY i
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SETTINGS min_age_to_force_merge_seconds=1, merge_selecting_sleep_ms=1000, min_age_to_force_merge_on_partition_only=false;
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INSERT INTO test_with_merge SELECT 1;
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INSERT INTO test_with_merge SELECT 2;
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INSERT INTO test_with_merge SELECT 3;"
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wait_for_number_of_parts 'test_with_merge' 1 100
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$CLICKHOUSE_CLIENT -nmq "
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DROP TABLE test_with_merge;
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SELECT 'With merge partition only';
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CREATE TABLE test_with_merge (i Int64) ENGINE = MergeTree ORDER BY i
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SETTINGS min_age_to_force_merge_seconds=1, merge_selecting_sleep_ms=1000, min_age_to_force_merge_on_partition_only=true;
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INSERT INTO test_with_merge SELECT 1;
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INSERT INTO test_with_merge SELECT 2;
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INSERT INTO test_with_merge SELECT 3;"
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wait_for_number_of_parts 'test_with_merge' 1 100
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$CLICKHOUSE_CLIENT -nmq "
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SELECT sleepEachRow(1) FROM numbers(9) SETTINGS function_sleep_max_microseconds_per_block = 10000000 FORMAT Null; -- Sleep for 9 seconds and verify that we keep the old part because it's the only one
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SELECT (now() - modification_time) > 5 FROM system.parts WHERE database = currentDatabase() AND table='test_with_merge' AND active;
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DROP TABLE test_with_merge;"
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