دوال للعمل مع السلاسل الزمنية

SELECT seriesDecomposeSTL([10.1, 20.45, 40.34, 10.1, 20.45, 40.34, 10.1, 20.45, 40.34, 10.1, 20.45, 40.34, 10.1, 20.45, 40.34, 10.1, 20.45, 40.34, 10.1, 20.45, 40.34, 10.1, 20.45, 40.34], 3) AS print_0

┌─print_0────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
│ [[-13.529999,-3.1799996,16.71,-13.53,-3.1799996,16.71,-13.53,-3.1799996,16.71,-13.530001,-3.18,16.710001,-13.530001,-3.1800003,16.710001,-13.530001,-3.1800003,16.710001,-13.530001,-3.1799994,16.71,-13.529999,-3.1799994,16.709997],[23.63,23.63,23.630003,23.630001,23.630001,23.630001,23.630001,23.630001,23.630001,23.630001,23.630001,23.63,23.630001,23.630001,23.63,23.630001,23.630001,23.63,23.630001,23.630001,23.630001,23.630001,23.630001,23.630003],[0,0.0000019073486,-0.0000019073486,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-0.0000019073486,0,0],[10.1,20.449999,40.340004,10.100001,20.45,40.34,10.100001,20.45,40.34,10.1,20.45,40.34,10.1,20.45,40.34,10.1,20.45,40.34,10.1,20.45,40.34,10.100002,20.45,40.34]] │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘

SELECT seriesOutliersDetectTukey([-3, 2, 15, 3, 5, 6, 4, 5, 12, 45, 12, 3, 3, 4, 5, 6]) AS print_0

┌─print_0────────────────────────────┐
│ [0,0,0,0,0,0,0,0,0,27,0,0,0,0,0,0] │
└────────────────────────────────────┘

SELECT seriesOutliersDetectTukey([-3, 2, 15, 3, 5, 6, 4.50, 5, 12, 45, 12, 3.40, 3, 4, 5, 6], 0.2, 0.8, 1.5) AS print_0

┌─print_0──────────────────────────────┐
│ [0,0,0,0,0,0,0,0,0,19.5,0,0,0,0,0,0] │
└──────────────────────────────────────┘

SELECT seriesPeriodDetectFFT([1, 4, 6, 1, 4, 6, 1, 4, 6, 1, 4, 6, 1, 4, 6, 1, 4, 6, 1, 4, 6]) AS print_0

┌─print_0─┐
│       3 │
└─────────┘

SELECT seriesPeriodDetectFFT(arrayMap(x -> abs((x % 6) - 3), range(1000))) AS print_0

┌─print_0─┐
│       6 │
└─────────┘

SELECT timeSeriesTagsToGroup([('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS dest_group,
       timeSeriesTagsToGroup([('code', '404'), ('message', 'Page not found')], '__name__', 'http_codes') AS src_group,
       timeSeriesCopyTag(dest_group, src_group, '__name__') AS result_group,
       timeSeriesGroupToTags(result_group)

┌─dest_group─┬─src_group─┬─result_group─┬─timeSeriesGroupToTags(result_group)───────────────────────┐
│          1 │         2 │            3 │ [('__name__','http_codes'),('env','dev'),('region','eu')] │
└────────────┴───────────┴──────────────┴───────────────────────────────────────────────────────────┘

SELECT timeSeriesTagsToGroup([('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS dest_group,
       timeSeriesTagsToGroup([('code', '404'), ('message', 'Page not found')], '__name__', 'http_codes') AS src_group,
       timeSeriesCopyTags(dest_group, src_group, ['__name__', 'code', 'env']) AS result_group,
       timeSeriesGroupToTags(result_group)

┌─dest_group─┬─src_group─┬─result_group─┬─timeSeriesGroupToTags(result_group)────────────────────────┐
│          1 │         2 │            3 │ [('__name__','http_codes'),('code','404'),('region','eu')] │
└────────────┴───────────┴──────────────┴────────────────────────────────────────────────────────────┘

SELECT timeSeriesTagsToGroup([('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS group,
       timeSeriesExtractTag(group, '__name__'),
       timeSeriesExtractTag(group, 'env'),
       timeSeriesExtractTag(group, 'instance')

┌─group─┬─timeSeriesExtractTag(group, '__name__')─┬─timeSeriesExtractTag(group, 'env')─┬─timeSeriesExtractTag(group, 'instance')─┐
│     1 │ http_requests_count                     │ dev                                │ ᴺᵁᴸᴸ                                    │
└───────┴─────────────────────────────────────────┴────────────────────────────────────┴─────────────────────────────────────────┘

SELECT timeSeriesFromGrid('2025-06-01 00:00:00'::DateTime64(3), '2025-06-01 00:01:30.000'::DateTime64(3), 30, [10, 20, NULL, 30]) AS result;

┌─result─────────────────────────────────────────────────────────────────────────────────────────┐
│ [('2025-06-01 00:00:00.000',10),('2025-06-01 00:00:30.000',20),('2025-06-01 00:01:30.000',30)] │
└────────────────────────────────────────────────────────────────────────────────────────────────┘

SELECT timeSeriesTagsToGroup([('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS group,
       timeSeriesGroupToSamplingKey(group) AS sampling_key

┌─group─┬─────────sampling_key─┐
│     1 │ 15511321834549144507 │
└───────┴──────────────────────┘

SELECT timeSeriesTagsToGroup([('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS group,
       timeSeriesGroupToTags(group) AS sorted_tags,
       timeSeriesTagsToGroup(sorted_tags) AS same_group,
       throwIf(same_group != group)

┌─group─┬─sorted_tags────────────────────────────────────────────────────────┬─same_group─┬─throwIf(notEquals(same_group, group))─┐
│     1 │ [('__name__','http_requests_count'),('env','dev'),('region','eu')] │          1 │                                     0 │
└───────┴────────────────────────────────────────────────────────────────────┴────────────┴───────────────────────────────────────┘

SELECT 8374283493092 AS id,
       timeSeriesStoreTags(id, [('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS same_id,
       throwIf(same_id != id),
       timeSeriesIdToGroup(same_id) AS group,
       timeSeriesGroupToTags(group)

┌────────────id─┬───────same_id─┬─throwIf(notEquals(same_id, id))─┬─group─┬─timeSeriesGroupToTags(group)───────────────────────────────────────┐
│ 8374283493092 │ 8374283493092 │                               0 │     1 │ [('__name__','http_requests_count'),('env','dev'),('region','eu')] │
└───────────────┴───────────────┴─────────────────────────────────┴───────┴────────────────────────────────────────────────────────────────────┘

SELECT 8374283493092 AS id,
       timeSeriesStoreTags(id, [('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS same_id,
       throwIf(same_id != id),
       timeSeriesIdToTags(same_id)

┌────────────id─┬───────same_id─┬─throwIf(notEquals(same_id, id))─┬─timeSeriesIdToTags(same_id)────────────────────────────────────────┐
│ 8374283493092 │ 8374283493092 │                               0 │ [('__name__','http_requests_count'),('env','dev'),('region','eu')] │
└───────────────┴───────────────┴─────────────────────────────────┴────────────────────────────────────────────────────────────────────┘

SELECT timeSeriesTagsToGroup([('__name__', 'up'), ('job', 'api-server'), ('src1', 'a'), ('src2', 'b'), ('src3', 'c')]) AS group,
       timeSeriesJoinTags(group, 'foo', ',', ['src1', 'src2', 'src3']) AS result_group,
       timeSeriesGroupToTags(result_group)

┌─group─┬─result_group─┬─timeSeriesGroupToTags(result_group)─────────────────────────────────────────────────────────────┐
│     1 │            2 │ [('__name__','up'),('foo','a,b,c'),('job','api-server'),('src1','a'),('src2','b'),('src3','c')] │
└───────┴──────────────┴─────────────────────────────────────────────────────────────────────────────────────────────────┘

SELECT timeSeriesMetricTypeToSuffixes('histogram') AS suffixes;

┌─suffixes────────────────────┐
│ ['_bucket','_count','_sum'] │
└─────────────────────────────┘

SELECT timeSeriesPrometheusValueToString(toFloat64(1e-7))

┌─timeSeriesPrometheusValueToString(toFloat64(1e-7))─┐
│ 0.0000001                                          │
└────────────────────────────────────────────────────┘

SELECT timeSeriesRange('2025-06-01 00:00:00'::DateTime64(3), '2025-06-01 00:01:00'::DateTime64(3), 30)

┌─timeSeriesRange(CAST('2025-06-01 00:00:00', 'DateTime64(3)'), CAST('2025-06-01 00:01:00', 'DateTime64(3)'), 30)─┐
│ ['2025-06-01 00:00:00.000','2025-06-01 00:00:30.000','2025-06-01 00:01:00.000']                                 │
└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘

SELECT timeSeriesTagsToGroup([('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS group,
       timeSeriesRemoveAllTagsExcept(group, ['env']) AS result_group,
       timeSeriesGroupToTags(result_group)

┌─group─┬─result_group─┬─timeSeriesGroupToTags(result_group)─┐
│     1 │            2 │ [('env','dev')]                     │
└───────┴──────────────┴─────────────────────────────────────┘

SELECT timeSeriesTagsToGroup([('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS group_of_3,
       timeSeriesRemoveTag(group_of_3, '__name__') AS group_of_2,
       timeSeriesGroupToTags(group_of_2),
       timeSeriesRemoveTag(group_of_2, 'env') AS group_of_1,
       timeSeriesGroupToTags(group_of_1),
       timeSeriesRemoveTag(group_of_1, 'region') AS empty_group,
       timeSeriesGroupToTags(empty_group)

┌─group_of_3─┬─group_of_2─┬─timeSeriesGroupToTags(group_of_2)─┬─group_of_1─┬─timeSeriesGroupToTags(group_of_1)─┬─empty_group─┬─timeSeriesGroupToTags(empty_group)─┐
│          1 │          2 │ [('env','dev'),('region','eu')]   │          3 │ [('region','eu')]                 │           0 │ []                                 │
└────────────┴────────────┴───────────────────────────────────┴────────────┴───────────────────────────────────┴─────────────┴────────────────────────────────────┘

SELECT timeSeriesTagsToGroup([('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS group_of_3,
       timeSeriesRemoveTags(group_of_3, ['env', 'region']) AS group_of_1,
       timeSeriesGroupToTags(group_of_1),
       timeSeriesRemoveTags(group_of_1, ['__name__', 'nonexistent']) AS empty_group,
       timeSeriesGroupToTags(empty_group)

┌─group_of_3─┬─group_of_1─┬─timeSeriesGroupToTags(group_of_1)────┬─empty_group─┬─timeSeriesGroupToTags(empty_group)─┐
│          1 │          2 │ [('__name__','http_requests_count')] │           0 │ []                                 │
└────────────┴────────────┴──────────────────────────────────────┴─────────────┴────────────────────────────────────┘

SELECT timeSeriesTagsToGroup([('__name__', 'up'), ('job', 'api-server'), ('service', 'a:c')]) AS group,
       timeSeriesReplaceTag(group, 'foo', '$1', 'service', '(.*):.*') AS result_group,
       timeSeriesGroupToTags(result_group)

┌─group─┬─result_group─┬─timeSeriesGroupToTags(result_group)────────────────────────────────────┐
│     1 │            2 │ [('__name__','up'),('foo','a'),('job','api-server'),('service','a:c')] │
└───────┴──────────────┴────────────────────────────────────────────────────────────────────────┘

SELECT 8374283493092 AS id,
       timeSeriesStoreTags(id, [('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS same_id,
       throwIf(same_id != id),
       timeSeriesIdToTags(same_id),
       timeSeriesGroupToTags(timeSeriesIdToGroup(same_id))

┌────────────id─┬───────same_id─┬─throwIf(notEquals(same_id, id))─┬─timeSeriesIdToTags(same_id)────────────────────────────────────────┬─timeSeriesGroupToTags(timeSeriesIdToGroup(same_id))────────────────┐
│ 8374283493092 │ 8374283493092 │                               0 │ [('__name__','http_requests_count'),('env','dev'),('region','eu')] │ [('__name__','http_requests_count'),('env','dev'),('region','eu')] │
└───────────────┴───────────────┴─────────────────────────────────┴────────────────────────────────────────────────────────────────────┴────────────────────────────────────────────────────────────────────┘

SELECT timeSeriesTagsToGroup([('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS group1,
       timeSeriesTagsToGroup([], '__name__', 'http_failures') AS group2,
       timeSeriesTagsToGroup([]) AS empty_group,
       timeSeriesTagsToGroup([], '__name__', 'http_failures') AS same_group2,
       throwIf(same_group2 != group2),
       timeSeriesGroupToTags(group2)

┌─group1─┬─group2─┬─empty_group─┬─same_group2─┬─throwIf(notEquals(same_group2, group2))─┬─timeSeriesGroupToTags(group2)──┐
│      1 │      2 │           0 │           2 │                                       0 │ [('__name__','http_failures')] │
└────────┴────────┴─────────────┴─────────────┴─────────────────────────────────────────┴────────────────────────────────┘

SELECT timeSeriesTagsToMap([('region', 'eu'), ('env', 'dev')], '__name__', 'http_requests_count') AS tags

┌─tags─────────────────────────────────────────────────────────┐
│ {'__name__':'http_requests_count','env':'dev','region':'eu'} │
└──────────────────────────────────────────────────────────────┘

CREATE TABLE test(tags Array(Tuple(String, String))) engine=Memory;

INSERT INTO test VALUES ([('__name__', 'up')]);

SELECT timeSeriesThrowDuplicateSeriesIf(count() > 1, timeSeriesTagsToGroup(tags))
FROM test
GROUP BY timeSeriesTagsToGroup(tags);

0

INSERT INTO test VALUES ([('__name__', 'up')]);

SELECT timeSeriesThrowDuplicateSeriesIf(count() > 1, timeSeriesTagsToGroup(tags))
FROM test
GROUP BY timeSeriesTagsToGroup(tags);

Received exception:
Code: 768. DB::Exception: Multiple series have the same tags {'__name__': 'up'}, duplicate series in the same result set are not allowed. (DUPLICATE_TIME_SERIES)