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https://github.com/GreptimeTeam/greptimedb.git
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Yingwen
3e2751d71d
* feat: improve SQL analyze scan diagnostics Signed-off-by: evenyag <realevenyag@gmail.com> * test: redact dynamic filters in sqlness results Signed-off-by: evenyag <realevenyag@gmail.com> * test: stabilize analyze snapshots for merge queue Signed-off-by: evenyag <realevenyag@gmail.com> * test: remove obsolete scan_details assertion Signed-off-by: evenyag <realevenyag@gmail.com> * test: refresh explain snapshots after partition filter changes Signed-off-by: evenyag <realevenyag@gmail.com> --------- Signed-off-by: evenyag <realevenyag@gmail.com>
56 lines
1.8 KiB
SQL
56 lines
1.8 KiB
SQL
CREATE TABLE range_select_projection (
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ts TIMESTAMP TIME INDEX,
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station STRING,
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"channel" STRING,
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unused_tag STRING,
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value_a DOUBLE,
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value_b DOUBLE,
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unused_value DOUBLE,
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PRIMARY KEY (station, "channel", unused_tag),
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);
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INSERT INTO range_select_projection VALUES
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(0, 'station-a', 'channel-a', 'unused-a', 1.0, 10.0, 100.0),
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(5000, 'station-a', 'channel-a', 'unused-a', 2.0, 20.0, 200.0),
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(10000, 'station-a', 'channel-a', 'unused-a', 3.0, 30.0, 300.0),
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(0, 'station-a', 'channel-b', 'unused-b', 4.0, 40.0, 400.0),
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(5000, 'station-a', 'channel-b', 'unused-b', 5.0, 50.0, 500.0);
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (elapsed_compute.*) REDACTED
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE (metrics.*) REDACTED
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-- SQLNESS REPLACE (partitioning.*) REDACTED
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-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
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-- SQLNESS REPLACE Total\s+rows:\s+\d+ Total rows: REDACTED
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-- SQLNESS REPLACE Dictionary\(UInt32,\s*Utf8\(([^)]*)\)\) Utf8($1)
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-- SQLNESS REPLACE \\?"(dyn_filters|time_range|file_summary|max_part_range)\\?":.* "$1":REDACTED
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EXPLAIN ANALYZE VERBOSE SELECT
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ts,
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station,
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"channel",
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avg(value_a + value_b) RANGE '10s' AS avg_value
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FROM range_select_projection
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WHERE station = 'station-a'
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AND unused_tag = 'unused-a'
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AND ts >= '1970-01-01 00:00:00'
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AND ts < '1970-01-01 00:00:15'
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ALIGN '5s' BY (station, "channel")
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ORDER BY station, "channel", ts;
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SELECT
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ts,
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station,
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"channel",
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avg(value_a + value_b) RANGE '10s' AS avg_value
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FROM range_select_projection
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WHERE station = 'station-a'
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AND unused_tag = 'unused-a'
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AND ts >= '1970-01-01 00:00:00'
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AND ts < '1970-01-01 00:00:15'
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ALIGN '5s' BY (station, "channel")
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ORDER BY station, "channel", ts;
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DROP TABLE range_select_projection;
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