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f89fd07c5b
This changes the license text for SQL files to be identical with the license text for C files.
92 lines
3.5 KiB
SQL
92 lines
3.5 KiB
SQL
-- This file and its contents are licensed under the Apache License 2.0.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-APACHE for a copy of the license.
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:PREFIX SELECT time_bucket('1 minute', time) AS MetricMinuteTs, AVG(value) as avg
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FROM hyper
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WHERE time >= '2001-01-04T00:00:00' AND time <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs
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ORDER BY MetricMinuteTs DESC;
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:PREFIX SELECT time_bucket('1 hour', time) AS MetricMinuteTs, metricid, AVG(value) as avg
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FROM hyper
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WHERE time >= '2001-01-04T00:00:00' AND time <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs, metricid
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ORDER BY MetricMinuteTs DESC, metricid;
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--should be too many groups will not hashaggregate
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:PREFIX SELECT time_bucket('1 second', time) AS MetricMinuteTs, metricid, AVG(value) as avg
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FROM hyper
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WHERE time >= '2001-01-04T00:00:00' AND time <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs, metricid
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ORDER BY MetricMinuteTs DESC, metricid;
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:PREFIX SELECT time_bucket('1 minute', time, INTERVAL '30 seconds') AS MetricMinuteTs, AVG(value) as avg
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FROM hyper
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WHERE time >= '2001-01-04T00:00:00' AND time <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs
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ORDER BY MetricMinuteTs DESC;
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:PREFIX SELECT time_bucket(60, time_int) AS MetricMinuteTs, AVG(value) as avg
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FROM hyper
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WHERE time >= '2001-01-04T00:00:00' AND time <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs
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ORDER BY MetricMinuteTs DESC;
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:PREFIX SELECT time_bucket(60, time_int, 10) AS MetricMinuteTs, AVG(value) as avg
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FROM hyper
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WHERE time >= '2001-01-04T00:00:00' AND time <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs
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ORDER BY MetricMinuteTs DESC;
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:PREFIX SELECT time_bucket('1 day', time_date) AS MetricMinuteTs, AVG(value) as avg
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FROM hyper
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WHERE time >= '2001-01-04T00:00:00' AND time <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs
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ORDER BY MetricMinuteTs DESC;
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:PREFIX SELECT date_trunc('minute', time) AS MetricMinuteTs, AVG(value) as avg
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FROM hyper
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WHERE time >= '2001-01-04T00:00:00' AND time <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs
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ORDER BY MetricMinuteTs DESC;
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\set ON_ERROR_STOP 0
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--can't optimize invalid time unit
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:PREFIX SELECT date_trunc('invalid', time) AS MetricMinuteTs, AVG(value) as avg
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FROM hyper
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WHERE time >= '2001-01-04T00:00:00' AND time <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs
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ORDER BY MetricMinuteTs DESC;
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\set ON_ERROR_STOP 1
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:PREFIX SELECT date_trunc('day', time_date) AS MetricMinuteTs, AVG(value) as avg
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FROM hyper
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WHERE time >= '2001-01-04T00:00:00' AND time <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs
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ORDER BY MetricMinuteTs DESC;
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--joins
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--with hypertable, optimize
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:PREFIX SELECT time_bucket(3600, time_int, 10) AS MetricMinuteTs, metric.value, AVG(hyper.value) as avg
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FROM hyper
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JOIN metric ON (hyper.metricid = metric.id)
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WHERE time >= '2001-01-04T00:00:00' AND time <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs, metric.id
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ORDER BY MetricMinuteTs DESC, metric.id;
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--no hypertable involved, no optimization
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:PREFIX SELECT time_bucket(3600, time_int, 10) AS MetricMinuteTs, metric.value, AVG(regular.value) as avg
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FROM regular
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JOIN metric ON (regular.metricid = metric.id)
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WHERE time >= '2001-01-04T00:00:00' AND time <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs, metric.id
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ORDER BY MetricMinuteTs DESC, metric.id;
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-- Try with time partitioning function. Currently not optimized for hash aggregates
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:PREFIX SELECT time_bucket('1 minute', unix_to_timestamp(time)) AS MetricMinuteTs, AVG(value) as avg
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FROM hyper_timefunc
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WHERE unix_to_timestamp(time) >= '2001-01-04T00:00:00' AND unix_to_timestamp(time) <= '2001-01-05T01:00:00'
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GROUP BY MetricMinuteTs
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ORDER BY MetricMinuteTs DESC;
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