Influx group by time interval. I have InfluxDB database with the measurement values from sensors, placed in the machines. 00 0000Z, and point with timestamp 2021-07-12T11:34:26. Use the GROUP BY clause to group query results by one or more specified tags and/or a specified time interval. To visualize all the 30 different offset_intervals, I need to create 30 queries. If no time bounds are specified in the WHERE clause, the query uses the default time range (1970-01-01T00:00:00Z to now) and returns a row for each interval in that time range. Apr 20, 2023 · Hi, not sure where to get help, so trying here. The InfluxDB Cloud Serverless Data Explorer only supports SQL. Meaning August’23 should be next to August’'24 but with . Aug 7, 2017 · the group clause group by 返回的分组结果是根据用户指定的tag ,time interval。 1、group by tags 2、group by time intervals group by time()分组查询返回用户指定时间间隔结果语法： Description Jun 27, 2018 · I’m currently testing Flux. The Min time interval setting defines a lower limit for the auto group-by time interval. I am using dates and counters to make my queries visual, the problem is that adding them to grafana looks like this. From that, you can calculate end time is start time + interval. With Flux, you can group data by any column in your queried data set. I would like to get results grouped by days going backward from now(); ie if I run the query at 15:00 hours, I would like the Feb 4, 2021 · time (time_interval) timer_interval是一个时间间隔，例如time_interval是5m，那查询结果会按5分钟进行分组。 fill () fill选项用来设置没有数据的时间间隔的默认值。示例示例使用以下数据作为样本 Mar 8, 2019 · 数据需要同时在预设区间和time_range在能满足查询条件，8. 202 Before getting into the syntax, there are a couple of things we want to highlight about the Group By clause. date_bin_gapfill Calculates time intervals and returns the start of the interval nearest to the specified timestamp. The shown power drops down to about the half, and the charging time span doubles. query simily to influx group by time (time_intervel,offset_interval) example influx query: May 18, 2024 · @Sunny_Kumar GROUP BY time(15m) is a feature unique to InfluxQL, not SQL. In your WHERE clause, include time bounds for the query. The query is very slow, taking about 3 seconds to process 50000 pieces of data. 8) by month? I’m in a process of migrating all persistence from jdbc/mariadb to influxdb but my biggest problem is grouping kWh data monthly (the max value monthly as I reset all kWh counters every month) and representing it in grafana. However, I have about 30 different offset_intervals. To group and aggregate data into time-based groups: In your SELECT clause: Use the DATE_BIN function to calculate time intervals and output a column that contains the start of the interval nearest to the time timestamp in each row Apr 23, 2025 · InfluxDB v2. 00 0000Z, but the mean will average the points in the interval from 11:34:26. 8 I discovered that there is no possibility to group time by month (meaning the calender month). But now i want a query where group by time and offset. The query uses the InfluxQL function MEAN () and a time interval in the GROUP BY clause to calculate the average water_level for each 12-minute interval in the queried time range. Oct 22, 2021 · Hi, I am creating a query to select count and group by time with time_interval and offset_interval. Oct 21, 2020 · Influxdb GroupBy time uses predefined intervals and does not start with the first timestamp Mar 29, 2020 · InfluxDB is well documented, but the group by time section is not very clear. Advanced GROUP BY time() queries rely on the time_interval, the offset_interval , and on the InfluxDB database’s preset time boundaries to determine the raw data included in each time interval and the timestamps returned by the query. The measurement has multiple series (identified by tag) like CPU metrics from Linux. Jun 24, 2016 · The problem here is that the $__interval width changes depending on the time frame you are viewing in Grafana. Mar 9, 2020 · Hi, I am trying to downsample data to get candlesticks in a flux script. GROUP BY uses the original value of the column, not the transformed, aliased value. Does anyone know if this is possible of if there is a work around to this. I’ve sign to InfluxDB Cloud and trying some queries. Feb 7, 2022 · 高级语法：允许用户自定义预设时间边界的开始时间 GROUP BY time (<time_interval>,<offset_interval>) 通过time_interval和offset_interval来表示一个连续的时间区间，该时间区间决定了InfluxDB如何通过时间来对查询结果进行分组。 Used in the GROUP BY clause to group data into time-based intervals, also known as “windows”, using the specified interval. To group and aggregate data into time-based groups: In your SELECT clause: Use the DATE_BIN function to calculate time intervals and output a column that contains the start of the interval nearest to the time timestamp in each row Mar 13, 2022 · Hello, Im new to Flux and i dont get it how to group my Data to get an “mean” by every hour of the day. Optionally replace last () with avg () or max () in inner query. I have a time series of power measurements (about every minute) and want to convert those into energy measurements (ie (kilo)Watts per day). I have managed the simple things well. The same query in SQL would look like: SELECT DATE_BIN(INTERVAL '15 minutes', time) AS time, SUM("energy_pos_balanced") FROM "Sensor Data" WHERE "serial" = '10000000cc6f363c' AND time >= '2024-05-05T00:00:00. I’m able to agregate by month but i’m having two issues Data label is showing first day of a month instead of previous I would like to see months next to each other between the years. I have to group by this variable and get the count. Instead, the time returned seems to be a multiple of the aggregated time. In the official example, when using group by time (12m)=, the time boundary is 00:12, 00:24. Interval-based aggregates produce a row for Manage all types of time series data in a single, purpose-built database. Optional: Specify other tags to group by. In Influx Data Explorer, change the time selector to Last 7 days and in the query builder put this: Mar 26, 2018 · I need to calculate the time between dependent jobs and recovery time for per job type. 8. Can any kind user give a layman a hint, how to do that? Googling was of no help, only found out, how to group by time slots of the same day by fiddling around Nov 18, 2023 · The problem here is that the timestamps are all “shifted plus one day”, i. Finally, because the difference() function requires a GROUP BY interval, we set a time interval to order the query results by time, which in turn requires the time() function. For most GROUP BY time() queries, the returned timestamps mark the start of the GROUP BY time() interval. We recommended using column ordinals in in the GROUP BY clause to group by transformed values and maintain the alias identifier. If you’re just getting started with Flux queries, check out the following: Get started with Flux for a Jul 23, 2019 · 1-> I have to do group by time (31d),month, year will work… (does 30d takes from beginning of month)? 2-> shall i do group by month,year and if so how can it identify or on each month end calculate the aggregates. If that's true, then we can play with the offset as we like before shooting the query. How can i get that? Reference Query: SELE… 高级 GROUP BY time() 查询依赖于 time_interval 、 offset_interval 和 InfluxDB 数据库的预设时间边界来确定每个时间间隔中包含的原始数据以及查询返回的时间戳。 Oct 26, 2023 · When ever somebody want to move the start time of the query, in the example (2023-10-26T00:00:00Z), we need to add an offset to the GROUP BY time() clause, as InfluxDB normally start bucketing from the unixtimestamp 0. For the data above, the time between dependent jobs series would be: elapsed (1,2) (group A) elapsed (3,4) (group B) elapsed (5,6) (group C) elapsed (7,8) (group D) elapsed (9,10) (group E) elapsed (13,14) (group H) And the recovery time series would be: Dec 2, 2019 · Recently, we merged and deployed a change to the Flux language to support months and years as special intervals when windowing. Then I stumbled over the fix-387-logical-time-boundaries May 16, 2018 · Then you'll need subqueries: group by time in outer select and group by time,host in inner one. Measurement schema has field “value”, timestamp, and two tags - “device_id” and “zone”. That is, if my aggregation is GROUP BY time(7m) then the points seem to a multiple of 7 apart. In your GROUP BY clause: Use the time() function to specify the time interval to group by. Feb 3, 2020 · Another similar case: I’m dealing with data called jvm_memory_bytes_used. I use the variable by changing “GROUP BY time ($__interval)” to "GROUP BY time (myvar)" in my influx db seri… Aug 15, 2023 · How can I modify the above query to produce a graph that aggregates the data by week and another graph that aggregates by month? In Flux, I would do this to get the data by week: |> aggregateWindow(every: 1w, offset: -3d, fn: sum) // sums the 7 days of each week to get the total used per week, and use -3d as the offset to move the weekly aggregate to start on a Monday and this to get the data Aug 29, 2022 · you should able to use fn : sum it’s seems better to display watt consumption over time, isn’t it ? maybe mean function usefull too docs. Jun 7, 2023 · time(time_interval,offset_interval)：关于 time_interval 的详情，请查看基本的 GROUP BY time ()语法。 offset_interval （偏移间隔）是一个持续时间（duration），它将 TSDB For InfluxDB®的预设时间边界向前或向后偏移。 Nov 28, 2023 · In this example, we chose 1 day (1d). Dec 5, 2022 · } This gives me timeStamp with millisec and avg value. Group by aliases GROUP BY can use column aliases that are defined in the SELECT clause. com aggregateWindow () function | Flux Documentation aggregateWindow () downsamples data by grouping data into fixed windows of time and applying an aggregate or selector function to each window. 7. So, your query might look Apr 29, 2020 · Has anyone solved or figured out a way to group data (influxdb >1. Apr 14, 2016 · InfluxDB: Use last item from group by time interval Asked 8 years, 10 months ago Modified 8 years, 10 months ago Viewed 806 times Dec 16, 2022 · When the time interval is larger than the measurement time-range, the work-around seems to be to use mean () and group by time (1h) instead of the grafana default $__interval. The Group By clause is optional, but it is a great clause for organizing and sorting query results by specific series and time intervals. May 30, 2018 · The documentation for the group by time clause makes many references to “preset time boundaries”, but nowhere are these preset boundaries defined. Is there a way to reduce 30 queries to just one query with 30 different offset_intervals or even more elegant query? Apr 11, 2021 · Hi, I am using InfluxDB 1. Just tell me how… Let’s try what you suggested above, but let’s do 7 days. group () regroups input data by modifying group key of input tables. Use the tz (timezone) clause to return the UTC offset for the specified timezone. Unfortunately, I do not have control over the JSON datasource. 00Z' GROUP BY time Timestamps when grouping by time When using selector functions with a GROUP BY time() clause, most selector functions return the timestamp of the starting boundary for each time interval. However, grouping by fields in other tags is v Sep 8, 2017 · My questions: If I want to group by month, except using time (30d), any other workaround? Do you support something like time (1month)? Currently, I rewrite time column in influxdb by DATE_CREATED. In cell queries, it should be used in the GROUP BY time() clause that accompanies aggregate functions: Oct 10, 2022 · We have an API that queries an Influx database and a report functionality was implemented so the user can query data using a start and end date. Its odd to me since it doesn’t look like there is group db time functionality in flux. The time() function accepts duration data type format (seconds, minutes, hours, days). Has a tag called {area=“heap”, “nonheap”} I want to sum this data by tag area. To group and aggregate data into time-based groups: In your SELECT clause, apply aggregate or selector functions to queried fields. In that case when my first data entry was made on a Sunday, I don’t get any results until the next 7 days have passed. I only need to sum jvm_memory_bytes_used with same date. Apr 16, 2018 · I have a question about querying data when using group by time(7d) for example. So, I used subqueries. Jul 12, 2021 · The time averaging function return the first point with time 2021-07-12T 11:34:26. GROUP BY won’t use an aliased value if the alias is the same as the original column name. “Grouping” partitions data into tables in which each row shares a common value for specified columns. Sep 16, 2024 · I’m using Influx DB Cloud service to gather data from my energy counter. You can set a lower limit for this auto interval using expressions like >5m (in group by time interval field below your queries or in data source edit page). What did you expect to happen? 30d grouping to sum 30 days. If you’re just getting started with Flux queries, check out the following: Get started with Flux for a Use the GROUP BY clause to group data by one or more specified tags or into specified time intervals. I like sum() the values because the mean() makes less sense (the number of series may vary over time), like this derivative(sum(total_counter),1s) I have configured the data source in Grafana with 1m resolution, so May 16, 2024 · Hello everyone, I’m new to the Influx world. This is a gauge metric and shows used memory. I do have a bit of experience with May 1, 2024 · InfluxDB 的 GROUP BY time 子句可按时间分组聚合数据，支持设置时间间隔和偏移量。通过实例讲解如何用偏移量解决数据分组时间显示错误问题，并提供三种动态计算偏移量的方法，包括外部工具、查询估计及数据统计特性。 Oct 21, 2020 · I have a measurement with counters and use derivative() to get a value to chart in Grafana. The way then to get consistent results is to take a sample from each interval (mean(), median(), or max() all work equally well) and then transform by derivative($__interval). This value must be formatted as a number followed by a valid time identifier: If no time bounds are specified in the WHERE clause, the query uses the default time range (1970-01-01T00:00:00Z to now) and returns a row for each interval in that time range. Timestamps in the time column are updated to the start boundary of the window they’re in and grouped by time. Jan 2, 2006 · Time zone clause By default, InfluxDB stores and returns timestamps in UTC. Edit: I think I found out how influx determines these time intervals - it always starts from 0 epoch time. It says it will group data by =preset time boundary. First 30d grouping shows sum of 17 while this is really the last 9 days of values. Aug 29, 2018 · InfluxQL 'group by time' in outer query requires aggregate function in inner query Asked 7 years, 2 months ago Modified 7 years, 2 months ago Viewed 969 times Jan 24, 2021 · Background: Client gather partition lag every 10 seconds from many kafka partitions（>1000）,and write into influxdb with time and tag:topic / tag: partition / field: lag_size . 005这条数据满足如果要避免这种异常情况，需要group by time ()的高级用法高级用法使用姿势 SELECT <function>(<field_key>) FROM_clause WHERE <time_range> GROUP BY time(<time_interval>,<offset 3 days ago · GROUP BY clause,Time Series Database:The GROUP BY clause can be used to group points based on the values of one or more tags or specified time intervals. If i could down sample the time Mar 21, 2017 · This is built and available in default queries and all queries that use these built in variables. My smartmeter gives a measurement every hour when there was usage, for other series this time interval may be different. Interval-based aggregates produce a row for Sep 7, 2017 · My questions: If I want to group by month, except using time (30d), any other workaround? Do you support something like time (1month)? Currently, I rewrite time column in influxdb by DATE_CREATED. I would like to group data into average day and night temperatures (say, average all data from 0700-1900 and 1900-0700). Or is this an issue with the UTC offsets in the timestamps - which appears on all but the last row? This is how the flux query result looks like in the influx Aug 20, 2018 · Hi, I have a dashboard where I’ve added a interval type variable to be able to set the granularity of my graphs. Now I want to group by DATE_CLOSED (this is a field) and by month, how to implement this? Any suggestions? Thanks for you help. Still no clue why sum () gives these spikes, they also appear when using group by time (1h) over e Apr 27, 2024 · I can provide you with the data from the last 24 hours as a CSV file. Is there a possibility to query using group by time(7d) + last() for example? Thanks. But to be honest, I don´t know what´s the difference of flux and influx? It´s just another “query language”, right? Are there any disadvantages of flux and will my current queries still work? Jun 26, 2017 · Even though I can calculate the number of results using the time period and interval (12m) here, I would like to know whether it is possible to do so with a query to database. 12这条数据在预设区间中，但是不在time_range中，所以不满足条件，只有8. Use the time() function to specify the time interval to group by. SELECT Downsample data by applying interval-based aggregates A common use case when querying time series is downsampling data by applying aggregates to time-based groups. if I visualize this as is in a bar chart (with x-axis time unit set to time: MM), I get the values for 06 displayed for 07 and so on, and 11 appears twice. But the example it use is too simple and doesn’t explain it very well. 451000Z will not be queried, because it is BEFORE the now () - 20m! Aug 11, 2018 · 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 documention): SELECT <function>(<field_key>) FROM_clause WHERE <time_range> GROUP BY time(<time_interval>),[tag_key] But if you insert dest_ip and source_ip as tags instead of fields, you achieve all your mentioned desires with Mar 11, 2022 · Using InfluxDB: Is there any way to build a time-bucketed report of a field value representing a state that persists over time? Ideally in InfluxQL query language More specifically as an example: S Jan 24, 2021 · Client gather partition lag every 10 seconds from many kafka partitions（>1000）,and write into influxdb with time and tag:topic / tag: partition / field: lag_size . 8 I perform a flux query and group and sum by time_time. I have measurements of power consumtion every minute. However, I don’t want to sum it over time. Optimized for speed in any environment in the cloud, on-premises, or at the edge. InfluxQL SELECT mean (“usage_idle”) FROM “cpu” WHERE Queries with TOP() and a GROUP BY time() clause return the specified number of points per GROUP BY time() interval. This does not look so nice on graphs when you don’t see any progress the whole week. I have that figured out, but I am struggling a bit with the GROUP BY time behavior of InfluxDB. com GROUP BY time() groups data by into specified time intervals, also known as “windows”, and applies the aggregate and selector functions in the SELECT clause to each interval. I need to draw lag si Dec 10, 2024 · Dear InfluxDB Team, When performing an aggregate query using the GROUP BY TIME clause, if the time_interval and offset_interval are not equal, the query will return a large amount of data with invalid timestamps. What are these exactly? I’m getting very strange timestamps returned for what should be a very simple where and group by time clause: WHERE (time >= 1527120000000ms AND time <= 1527638400000ms) GROUP BY time(27m) That’s a start time of Dec 29, 2023 · Time series or bar chart with GROUP BY = time (30d) What happened? Groups by 30 days, but the total’s dont make sense. Use date_bin_gapfill with interpolate or locf to fill gaps in data at specified time Mar 10, 2022 · Hi, I have created a interval variable with values such as 8h,1d,7d and 30d. And it seams that I’m having trouble using GROUP BY time (<time_interval>) So something like this works fine: SELECT … Jan 22, 2017 · Thanks Michael. For example, I would like to visualize how much I have generated per day, week, month or year. GROUP BY time() 间隔使用预设的以整数倍时间边界，独立于 WHERE 子句中的时间条件。输出数据使用窗口开始边界作为聚合的时间戳。 Because the timestamps are determined by the GROUP BY time () interval and not by the original data, the ELAPSED () calculation always returns the same value as the GROUP BY time () interval. e. Sounds good. Regan Kuchan 00:41. But now I’m reaching my limits. Nov 18, 2021 · How to group/aggregate by time interval?I know that I can use the "group by" transformation in order to count by a field's value, but in order to use it with started_at I would need a possibility to transform/truncate the timestamp to a date first, otherwise I just get 1 for each timestamp. Aug 3, 2021 · I am stuck with the graph due to not being able to group the graphs by date. I have used queries “SELECT value, zone from temperature WHERE device_id=‘123456789’ AND time >= now() -50m AND time <now() -3s GROUP BY zone Timestamps when grouping by time When using selector functions with a GROUP BY time() clause, most selector functions return the timestamp of the starting boundary for each time interval. I’ve been saving my values from the PV system for a few days now and visualizing them in Grafana. The problem is that when a longer period is chosen(u InfluxDB queries for tuple panels have minor issue: they can show 0 current value from time to time due to `fill (0)` and `GROUP BY` including partial intervals [2]. The timestamp when using group by indicates the starting time of the interval. . 00 0000Z to 11:34:27. This guide walks through grouping data in Flux and provides examples of how data is shaped in the process. The data for this is written to the influx every 3 seconds in kilowatts. 4. Jun 19, 2017 · Only difference is query without group by will have the value's actual timestamp and the group by query will have the interval's timestamp instead. That way your derivative changes to match your interval length as you zoom in/out. Of course timestamps will not be exactly same. influxdata. I use Apr 23, 2020 · Hi, I’m trying to make a non derivative query with an interval that come from the database: select * from "test_interval" limit 2 name: test_interval time tag1 host interval meter_type ns task… Mar 16, 2022 · I am trying to fetch all data points from my measurement, “Concentration” between a specified time range, but I want it grouped by a time interval of 30 seconds. Downsample data by applying interval-based aggregates A common use case when querying time series is downsampling data by applying aggregates to time-based groups. Jul 7, 2021 · Hi all, could you be so kind to help with the next issue. To visualize all the 30 different offset_intervals, I need to crea… Use the GROUP BY clause to group query results by one or more specified tags and/or a specified time interval. Oct 24, 2017 · 2016-01-01T03:57:00Z 97. Mar 13, 2021 · Hi, I’m using InfluxDB and Grafana to visualize some data recorded in Home Assistant, particularly temperatures. Jun 10, 2023 · As soon as I use the mean () function with a time interval of 1m, it changes the picture completely. This is always a total number meaning the actual reading (not delta). The data is simple and its just t_time, price and i would like the output to be _time, open, high,low,close sampled by minute. Used in the GROUP BY clause to group data into time-based intervals, also known as “windows”, using the specified interval. Is this the desired behaviour? I expected to see 1m average values, means only a smoth -1m beginn and a smoth +1m end at the real time frame of one hour. LIMIT 2 requests the two oldest 12-minute averages (determined by timestamp) and SLIMIT 1 requests a single series associated with the h2o_feet measurement. According to their documentation page you can use a offset_interval to fix the start time of the query results But unfortunately while using version 0. For my first test, I’m tried to convert a basic InfluxQL querie to Flux. Use the GROUP BY clause to group data by one or more specified tags or into specified time intervals. Steps to reproduce In th Apr 11, 2021 · Ok. If no rows exist in a time interval, a new row is inserted with a time value set to the interval start time, all columns in the GROUP BY clause populated, and null values in aggregate columns. Use the time zone clause and the tz() function to apply a time zone offset to UTC times and return timestamps in the specified time zone including any applicable seasonal offset such as Daylight Savings Time (DST) or British Summer Time (BST). See full list on cnblogs. Is there a better way to group by month from 13th to 12th of every month? The :interval: template variable is defined by the interval dropdown in the Chronograf dashboard. I want influx to fill the missing 1 minute values with null so that I know by looking at the graph that a polling interval was missed and/or count the number of null values to know how many polling intervals were missed in x amount of time. Today, I am going to show you how you can use this feature and the power it can help bring to analyzing your data. Dec 10, 2024 · Dear InfluxDB Team, When performing an aggregate query using the GROUP BY TIME clause, if the time_interval and offset_interval are not equal, the query will return a large amount of data with invalid timestamps. Explore InfluxQL features used specifically for working with time. Also i need start and end time of the interval. 00Z' AND time < '2024-05-18T00:00:00. However functions with an N argument that specifies the number of results to return per group maintain the original timestamp of each returned point. 959 I expect the data to be returned to have the correct timestamp as in the database, regardless of the time used in the aggregation function. jsq9ub8f rd3xnuc zpl n9hsoq f5b vxxxuj0 qopndat dxsd twwk9jj jdw7ls01

Influx group by time interval. I do have a bit of experience with .