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45 lines
1.3 KiB
SQL
45 lines
1.3 KiB
SQL
CREATE TABLE test_uddsketch (
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`id` INT PRIMARY KEY,
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`value` DOUBLE,
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`ts` timestamp time index default now()
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);
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INSERT INTO test_uddsketch (`id`, `value`) VALUES
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(1, 10.0),
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(2, 20.0),
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(3, 30.0),
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(4, 40.0),
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(5, 50.0),
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(6, 60.0),
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(7, 70.0),
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(8, 80.0),
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(9, 90.0),
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(10, 100.0);
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select uddsketch_calc(0.1, uddsketch_state(128, 0.01, `value`)) from test_uddsketch;
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select uddsketch_calc(0.5, uddsketch_state(128, 0.01, `value`)) from test_uddsketch;
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select uddsketch_calc(0.75, uddsketch_state(128, 0.01, `value`)) from test_uddsketch;
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select uddsketch_calc(0.95, uddsketch_state(128, 0.01, `value`)) from test_uddsketch;
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CREATE TABLE grouped_uddsketch (
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`state` BINARY,
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id_group INT PRIMARY KEY,
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`ts` timestamp time index default now()
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);
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INSERT INTO grouped_uddsketch (`state`, id_group) SELECT uddsketch_state(128, 0.01, `value`), `id`/5*5 as id_group FROM test_uddsketch GROUP BY id_group;
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SELECT uddsketch_calc(0.1, uddsketch_merge(128, 0.01, `state`)) FROM grouped_uddsketch;
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-- should fail
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SELECT uddsketch_calc(0.1, uddsketch_merge(128, 0.1, `state`)) FROM grouped_uddsketch;
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-- should fail
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SELECT uddsketch_calc(0.1, uddsketch_merge(64, 0.01, `state`)) FROM grouped_uddsketch;
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drop table test_uddsketch;
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drop table grouped_uddsketch;
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