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91 lines
4.0 KiB
SQL
91 lines
4.0 KiB
SQL
-- Tags: no-random-settings, no-random-merge-tree-settings
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DROP TABLE IF EXISTS t_merge_profile_events_1;
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CREATE TABLE t_merge_profile_events_1 (id UInt64, v1 UInt64, v2 UInt64)
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ENGINE = MergeTree ORDER BY id
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SETTINGS min_bytes_for_wide_part = 0;
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INSERT INTO t_merge_profile_events_1 SELECT number, number, number FROM numbers(10000);
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INSERT INTO t_merge_profile_events_1 SELECT number, number, number FROM numbers(10000);
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OPTIMIZE TABLE t_merge_profile_events_1 FINAL;
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SYSTEM FLUSH LOGS;
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SELECT
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merge_algorithm,
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ProfileEvents['Merge'],
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ProfileEvents['MergedRows'],
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ProfileEvents['MergedColumns'],
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ProfileEvents['GatheredColumns'],
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ProfileEvents['MergedUncompressedBytes'],
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ProfileEvents['MergeTotalMilliseconds'] > 0,
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ProfileEvents['MergeExecuteMilliseconds'] > 0,
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ProfileEvents['MergeHorizontalStageTotalMilliseconds'] > 0,
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ProfileEvents['MergeHorizontalStageExecuteMilliseconds'] > 0
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FROM system.part_log WHERE database = currentDatabase() AND table = 't_merge_profile_events_1' AND event_type = 'MergeParts' AND part_name = 'all_1_2_1';
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DROP TABLE IF EXISTS t_merge_profile_events_1;
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DROP TABLE IF EXISTS t_merge_profile_events_2;
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CREATE TABLE t_merge_profile_events_2 (id UInt64, v1 UInt64, v2 UInt64)
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ENGINE = MergeTree ORDER BY id
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SETTINGS min_bytes_for_wide_part = 0, vertical_merge_algorithm_min_rows_to_activate = 1, vertical_merge_algorithm_min_columns_to_activate = 1;
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INSERT INTO t_merge_profile_events_2 SELECT number, number, number FROM numbers(10000);
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INSERT INTO t_merge_profile_events_2 SELECT number, number, number FROM numbers(10000);
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OPTIMIZE TABLE t_merge_profile_events_2 FINAL;
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SYSTEM FLUSH LOGS;
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SELECT
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merge_algorithm,
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ProfileEvents['Merge'],
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ProfileEvents['MergedRows'],
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ProfileEvents['MergedColumns'],
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ProfileEvents['GatheredColumns'],
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ProfileEvents['MergedUncompressedBytes'],
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ProfileEvents['MergeTotalMilliseconds'] > 0,
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ProfileEvents['MergeExecuteMilliseconds'] > 0,
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ProfileEvents['MergeHorizontalStageTotalMilliseconds'] > 0,
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ProfileEvents['MergeHorizontalStageExecuteMilliseconds'] > 0,
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ProfileEvents['MergeVerticalStageTotalMilliseconds'] > 0,
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ProfileEvents['MergeVerticalStageExecuteMilliseconds'] > 0,
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FROM system.part_log WHERE database = currentDatabase() AND table = 't_merge_profile_events_2' AND event_type = 'MergeParts' AND part_name = 'all_1_2_1';
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DROP TABLE IF EXISTS t_merge_profile_events_2;
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DROP TABLE IF EXISTS t_merge_profile_events_3;
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CREATE TABLE t_merge_profile_events_3 (id UInt64, v1 UInt64, v2 UInt64, PROJECTION p (SELECT v2, v2 * v2, v2 * 2, v2 * 10, v1 ORDER BY v1))
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ENGINE = MergeTree ORDER BY id
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SETTINGS min_bytes_for_wide_part = 0, vertical_merge_algorithm_min_rows_to_activate = 1, vertical_merge_algorithm_min_columns_to_activate = 1;
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INSERT INTO t_merge_profile_events_3 SELECT number, number, number FROM numbers(100000);
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INSERT INTO t_merge_profile_events_3 SELECT number, number, number FROM numbers(100000);
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OPTIMIZE TABLE t_merge_profile_events_3 FINAL;
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SYSTEM FLUSH LOGS;
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SELECT
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merge_algorithm,
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ProfileEvents['Merge'],
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ProfileEvents['MergedRows'],
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ProfileEvents['MergedColumns'],
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ProfileEvents['GatheredColumns'],
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ProfileEvents['MergedUncompressedBytes'],
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ProfileEvents['MergeTotalMilliseconds'] > 0,
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ProfileEvents['MergeExecuteMilliseconds'] > 0,
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ProfileEvents['MergeHorizontalStageTotalMilliseconds'] > 0,
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ProfileEvents['MergeHorizontalStageExecuteMilliseconds'] > 0,
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ProfileEvents['MergeVerticalStageTotalMilliseconds'] > 0,
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ProfileEvents['MergeVerticalStageExecuteMilliseconds'] > 0,
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ProfileEvents['MergeProjectionStageTotalMilliseconds'] > 0,
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ProfileEvents['MergeProjectionStageExecuteMilliseconds'] > 0,
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ProfileEvents['MergeExecuteMilliseconds'] <= duration_ms,
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ProfileEvents['MergeTotalMilliseconds'] <= duration_ms
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FROM system.part_log WHERE database = currentDatabase() AND table = 't_merge_profile_events_3' AND event_type = 'MergeParts' AND part_name = 'all_1_2_1';
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DROP TABLE IF EXISTS t_merge_profile_events_3;
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