Influxdb select count tag

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Web4 apr. 2024 · COUNT DISTINCT cannot be used directly on tags, therefore a subquery is needed. This sample allows you to have the “tag” count over time SELECT COUNT (DISTINCT "tag") as "TagCount" FROM ( SELECT "time","tag","ValueA" FROM "logins.count" WHERE $timeFilter ) GROUP BY time ($__interval) Web9 apr. 2024 · I have a consequent influxdb database, and it appears that filtering by tags stopped working. For example: If I do SELECT "value" FROM "load" WHERE time >= now() - 15m AND "dc"="afra" GROUP BY time(15m), "dc"; I got an empty set (with no...

Best way to visualize number of distinct tags over time?

Web6 feb. 2024 · InfluxDB is meant for visualizing data by time, not by IDs like an order ID, and so it may need to be used in addition to a second database (such as MySQL, Postgresql … WebIn the InfluxDB API, specify the database in place of using the db query string parameter if desired. Common issues with the SELECT statement Selecting tag keys in the SELECT … city of tonawanda board

时序数据库InfluxDB有那些坑? - 知乎

WebQuery fields and tags in InfluxDB using Flux InfluxDB Cloud Documentation Query fields and tags Use filter () to query data based on fields, tags, or any other column value. filter … Web16 dec. 2016 · The answer depends on which version of InfluxDB you're using. Version 1.1- Step 1 Select the monthly counts into a new measurement SELECT count … city of tomorrow grant call

InfluxDB: selecting last () values from different tags

[influxdb] Count number of tag values? - narkive

WebCount the number of records with a specific value. Use filter () to filter data by the specific value you want to count. Use count () to count the number of rows in the table. import … Web12 feb. 2024 · SELECT "tag" not working properly · Issue #7992 · influxdata/influxdb · GitHub influxdata influxdb Notifications Fork 3.3k Star 25.2k Pull requests Discussions Actions Projects New issue SELECT "tag" not working properly #7992 Closed jasonmclose opened this issue on Feb 12, 2024 · 4 comments jasonmclose commented on Feb 12, 2024 do the harlem globetrotters ever loseWeb4 dec. 2024 · InfluxDBには RETENTION POLICYと呼ばれるデータ保持期間を設定する機能と CONTINUOUS QUERYと呼ばれる定期的にクエリを実行する機能があり、それらを使って高精度のデータは直近の期間のみ保持、集約して量を減らしたデータは長期保存して置くなどの設定が非常に簡単に行えます。 city of tombstone az

"Webshow tag values from cpu with key = "host" But how can I count the number of values? (here it would be the number of hosts) Thank you. -- Remember to include the InfluxDB version number with all issue reports --- You received this message because you are subscribed to the Google Groups "InfluxDB" group. " - Influxdb select count tag

Influxdb select count tag

Understanding how to choose between fields and tags in InfluxDB

WebInfluxDB中 timestamp + tag key必须是唯一的。当时我们把纽约证券交易所的股票报价（quotes)导入到InfluxDB的时候，总是发现缺少了一部分记录。后来发现是quotes数据中同一个股票在同一时间（精确到微妙）可能出现多条记录，而这些记录因为破坏了唯一性规则，不能全部导入。发布于 2024-09-12 18:25 赞同 28 9 条评论分享收藏喜欢收起 … Webshow tag values from cpu with key = "host" But how can I count the number of values? (here it would be the number of hosts) Thank you. -- Remember to include the InfluxDB …

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Web4 apr. 2024 · To have a count of the values you can use SHOW TAG VALUES CARDINALITY WITH KEY = "tag" (estimated, exact is also available, see docs) The … Web6 feb. 2024 · InfluxDB is meant for visualizing data by time, not by IDs like an order ID, and so it may need to be used in addition to a second database (such as MySQL, Postgresql or a NoSQL alternative) which can query by primary keys / IDs. Share Improve this answer answered Apr 5, 2024 at 15:26 Josh 508 3 7 18 Add a comment Your Answer

WebInfluxQL is an SQL-like query language for interacting with data in InfluxDB. The following sections cover useful query syntax for exploring your data. The basics: The SELECT statement and the WHERE clause The basic SELECT statement The SELECT statement and arithmetic The WHERE clause The GROUP BY clause The basic GROUP BY clause WebInfluxDB scans every field value in the dataset for bees before the query returns a response. If our sample census data grew to millions of rows, to optimize your query, you …

Web21 jan. 2024 · 이번 글에서는 InfluxDB에서 제공하는 Function들에 대해 알아보겠습니다. 디테일하게는 아니고 간단하게 표로 기능에 대해서만 나열해보도록 하겠습니다. Aggregate functions Selectors functions Transformations functions Predictors functions GROUP BY FUNCITON time () - InfluxDB가 시간에 따라 쿼리 결과를 그룹화하는 방법을 결정 - time … Web28 aug. 2015 · Allow DISTINCT function to operate on tags · Issue #3880 · influxdata/influxdb · GitHub / influxdb Public Notifications Fork Discussions Projects Insights New issue Allow DISTINCT function to operate on tags #3880 Open TechniclabErdmann opened this issue on Aug 28, 2015 · 80 comments …

WebThe SELECT clause must specify at least one field when it includes a tag. SELECT ""::field,""::tag - Returns a specific field and tag. The ::[field tag] …

Web28 aug. 2015 · $ influx -execute 'show tag values with key = a' -database mydb will print a list of all tag values associated with the key a on the database mydb. The output has two … city of tonawanda budget voteWeb16 feb. 2024 · 1 Answer Sorted by: 1 I found the solution. All you need to do is add an ORDER BY with the TAG field. So the end query becomes: SELECT last (Temperature) FROM raw_measure where ID =~ /4372502 4399699 4406512 4407840/ ORDER BY ID Share Improve this answer Follow edited Feb 19, 2024 at 1:22 Michael Green 24.3k 13 … city of tombstone arizonaWeb問題1:COUNT ()と fill () ほとんどのInfluxQL関数は、データがない時間間隔の null 値を報告し、 fill () はその null 値を fill_option で置き換えます。. COUNT () はデータがない時間間隔について 0 を報告し、 fill () は 0 の値を fill_option で置き換えます。. city of tonawanda dpw