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https://github.com/ClickHouse/ClickHouse.git
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61 lines
1.2 KiB
Bash
Executable File
61 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Tags: no-random-settings, no-random-merge-tree-settings
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set -e
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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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opts=(
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--enable_analyzer=1
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--max_threads=4
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)
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$CLICKHOUSE_CLIENT -q "
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CREATE TABLE t
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(
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a UInt32
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)
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ENGINE = MergeTree
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ORDER BY a;
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INSERT INTO t SELECT number FROM numbers_mt(1e6);
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OPTIMIZE TABLE t FINAL;
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"
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query="
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WITH t0 AS
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(
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SELECT *
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FROM numbers(1000)
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)
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SELECT a * 3
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FROM t
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WHERE a IN (t0)
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GROUP BY a
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ORDER BY a
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"
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$CLICKHOUSE_CLIENT "${opts[@]}" -q "EXPLAIN json=1 $query"
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printf "\n\n"
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$CLICKHOUSE_CLIENT "${opts[@]}" -q "SELECT replaceRegexpAll(explain, '(\w+)\(.*\)', '\\1') FROM (EXPLAIN PIPELINE compact=0,graph=1 $query)"
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printf "\n\n"
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query_id="03269_explain_unique_ids_$RANDOM$RANDOM"
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$CLICKHOUSE_CLIENT "${opts[@]}" --log_processors_profiles=1 --query_id="$query_id" --format Null -q "$query"
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$CLICKHOUSE_CLIENT -q "
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SYSTEM FLUSH LOGS;
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SELECT DISTINCT (replaceRegexpAll(processor_uniq_id, '(\w+)\(.*\)', '\\1'), step_uniq_id)
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FROM system.processors_profile_log
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WHERE query_id = '$query_id'
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ORDER BY ALL;
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"
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