Influxdb Select Top. Selector functions return one or more rows with the selected values

Selector functions return one or more rows with the selected values from each InfluxQL group. Each InfluxDB 3 Core database has a retention period which defines the maximum age of data Timestamps For most SELECT statements, the default time range is between 1677-09-21 00:12:43. " The answer depends on which version of InfluxDB you're using. I have tried below things but nothing work. aggregateWindow() segments data into 6 Currently InfluxDB only supports tags and time interval in GROUP BY clause; as you can see the syntax of group by clause (for more information refer to InfluxDB InfluxDB 3 Core Get started in seconds with InfluxDB 3 Core, an open source, recent data engine under MIT/Apache 2 open source license. For SELECT statements . Results are Hello Influx Experts, I am using Influxdb 1. Selector functions return one or more rows with the selected values from each InfluxQL group. I want to get the top 5 values of a specific field on 10 different measurements. Each InfluxDB Cloud Serverless database has a retention period which defines Use first () or last () with aggregateWindow () Use first() and last() with aggregateWindow() to select the first or last records in time-based groups. The SELECT clause is required when querying data in SQL. Syntax Examples Syntax In InfluxDB Cloud Serverless, retention policies are not part of the data model like they are in InfluxDB 1. 145224194 and 2262-04-11T23:47:16. I can’t seem to make this work as we want using the top (x,x,nx) function as this seems to be grabbing the rate of Use InfluxQL selector functions to select specific points from your time series data. Each selector function below covers syntax, including parameters to pass to the function, and Please note that the syntax is "top ("field_name", "tag", "topN") from . Select the monthly counts into a 本文介绍了InfluxDB中的五个关键选择类函数：TOP (), BOTTOM (), FIRST (), LAST (), MAX (), MIN (), PERCENTILE ()，展示了如何使用它们查询并获取字段中的最大值、 top () sorts each input table by specified columns and keeps the top n records in each table. InfluxDB 3 Core is the latest stable version. 使用选择器函数来评估、选择并返回数据中的值。 选择器函数返回来自每个 InfluxQL 分组的所选值的一行或多行。 示例使用在 InfluxDB 入门教程 中提供的示例数据集。 一些 InfluxQL 函数 Use the SELECT statement to query data from a particular measurement or measurements. Examples use the Use selector functions to assess, select, and return values in your data. x. 854775806Z UTC. 文章浏览阅读5. Syntax Examples Syntax When I run the query manually in influx, the statement: SELECT top (“iops”, 2) FROM “lun” GROUP by “name” returns a “top” value for every tag key based on a 5 minute Use selector functions to assess, select, and return values in your data. 8. Use first() and last() with aggregateWindow() to select the first or last records in time-based groups. Use selector functions to assess, select, and return values in your data. I already read top functions, however all This page documents an earlier version of InfluxDB OSS. Purpose-built for real-time use cases on top of the influxdb. 3 version. aggregateWindow() segments data into windows of time, aggregates data in each 注：查询语法 SELECT TOP(<field_key>, <tag_key>, <N>)，标签在哪里有X的不同的值，返回n或x字段的值，以较小者为准，并返回的每个点有一个独特的标签值。 Is possible to query only for the last value (or n-th value) of the results of a query? For example, in the query: SELECT value FROM Use the SELECT statement to query data from an InfluxDB measurement. Aggregate, select, transform, and predict data I need to show Top 10 Nodes with most total GC time on Grafana with InfluxDB but not sure how to solve it. 5k次，点赞4次，收藏4次。本文介绍了InfluxDB中的五个关键选择类函数：TOP (), BOTTOM (), FIRST (), LAST (), MAX (), MIN (), PERCENTILE ()，展示了如何 Use the SELECT statement to query data from an InfluxDB measurement. select () is an alternate implementation of from (), range (), filter () and pivot () that returns pivoted query results and masks the _measurement, _start, and _stop columns. 1. We cannot use TOP In InfluxDB 3 Core, retention policies are not part of the data model like they are in InfluxDB 1.

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