mirror of
https://github.com/ClickHouse/ClickHouse.git
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78 lines
2.8 KiB
Bash
Executable File
78 lines
2.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CUR_DIR"/../shell_config.sh
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function were_parallel_replicas_used ()
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{
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$CLICKHOUSE_CLIENT --query "SYSTEM FLUSH LOGS"
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# Not using current_database = '$CLICKHOUSE_DATABASE' as nested parallel queries aren't run with it
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$CLICKHOUSE_CLIENT --query "
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SELECT
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initial_query_id,
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concat('Used parallel replicas: ', (countIf(initial_query_id != query_id) != 0)::bool::String) as used
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FROM system.query_log
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WHERE event_date >= yesterday()
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AND initial_query_id = '$1'
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GROUP BY initial_query_id
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ORDER BY min(event_time_microseconds) ASC
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FORMAT TSV"
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}
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$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS nested"
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$CLICKHOUSE_CLIENT --query "CREATE TABLE nested (x UInt8) ENGINE = MergeTree ORDER BY () AS Select 1";
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query_id="02901_parallel_replicas_rollup-$CLICKHOUSE_DATABASE"
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$CLICKHOUSE_CLIENT \
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--query_id "${query_id}" \
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--max_parallel_replicas 3 \
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--prefer_localhost_replica 1 \
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--cluster_for_parallel_replicas "test_cluster_one_shard_three_replicas_localhost" \
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--allow_experimental_parallel_reading_from_replicas 1 \
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--parallel_replicas_for_non_replicated_merge_tree 1 \
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--parallel_replicas_min_number_of_rows_per_replica 0 \
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--query "
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SELECT 1 FROM nested
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GROUP BY 1 WITH ROLLUP
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ORDER BY max((SELECT 1 WHERE 0));
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";
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were_parallel_replicas_used $query_id
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# It was a bug in analyzer distributed header.
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echo "Distributed query with analyzer"
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$CLICKHOUSE_CLIENT --query "SELECT 1 FROM remote('127.0.0.{2,3}', currentDatabase(), nested) GROUP BY 1 WITH ROLLUP ORDER BY max((SELECT 1 WHERE 0))"
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$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS nested"
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$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS days"
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$CLICKHOUSE_CLIENT --query "
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CREATE TABLE days
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(
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year Int64,
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month Int64,
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day Int64
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)
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ENGINE = MergeTree()
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ORDER BY year";
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$CLICKHOUSE_CLIENT --query "
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INSERT INTO days VALUES (2019, 1, 5), (2019, 1, 15), (2020, 1, 5), (2020, 1, 15), (2020, 10, 5), (2020, 10, 15);
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";
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# Note that we enforce ordering of the final output because it's not guaranteed by GROUP BY ROLLUP, only the values of count() are
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query_id="02901_parallel_replicas_rollup2-$CLICKHOUSE_DATABASE"
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$CLICKHOUSE_CLIENT \
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--query_id "${query_id}" \
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--max_parallel_replicas 3 \
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--prefer_localhost_replica 1 \
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--cluster_for_parallel_replicas "test_cluster_one_shard_three_replicas_localhost" \
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--allow_experimental_parallel_reading_from_replicas 1 \
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--parallel_replicas_for_non_replicated_merge_tree 1 \
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--parallel_replicas_min_number_of_rows_per_replica 0 \
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--query "SELECT * FROM (SELECT year, month, day, count(*) FROM days GROUP BY year, month, day WITH ROLLUP) ORDER BY 1, 2, 3";
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were_parallel_replicas_used $query_id
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$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS days"
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