Influxdb select recent. Provide details and share your research! But avoid ….

Influxdb select recent A sample data would be: time | device_name | daily_installs | daily_uninstall t1 | device1 | Jun 30, 2020 · $ select time, device_id, usage from @measurement where device_id = '@device_id' order by time desc limit 1 My question: how can I most efficiently fetch the last points/records for all device_ids (tag), without providing a WHERE clause on device_id? Preferably in one command, so I can remove the foreach iteration. InfluxDB periodically snapshots the WAL to persist the oldest data in the queryable buffer, allowing the server to remove old WAL files. 7. My measurement looks like this: Feb 22, 2016 · SELECT SUM(count) FROM (SELECT *,count::INTEGER FROM MyMeasurement GROUP BY count FILL(1)) If it does use some other name for the count field. Dec 19, 2021 · I have a simple InfluxDB schema called SWPFND that looks like this: time base counter prov_ticker provider rate source ticker utc_received ---- ---- ----- ----- ----- ---- ----- ----- ----- 1636761600000000000 USD YFI YFI-USD-SWAP okex 0. _measurement == "cpu" and r. In addition, InfluxDb uses Line protocol, where line protocol informs InfluxDB of the data’s measurement, tag set, field set, and timestamp. It might be the data itself which has some issues. When using the InfluxDB 3 Core InfluxQL implementation, the data model is different in the following ways: an InfluxDB v1 database and retention policy combination is combined into a single InfluxDB 3 database entity. I want all of the most recent values (if they have the same timestamp). To limit the result I added the time range within the last 10 seconds: > SELECT "hostname","value" FROM check_nwc_health WHERE time > NOW() - 10s Sep 19, 2022 · SELECT UUID, CUST_ID, PO_NO, TIMESTAMP FROM CUST_PO_DTLS WHERE PO_NO = ? In my Influx DB bucket, UUID, CUST_ID, PO_NO are all fields. 8 (git: 1. Jul 10, 2016 · I have a setup with an InfluxDB instance that regularly gets values inserted into. This is because the query needs to evaluate over multiple measurements. 456 some. For the management I need to select the values from the database that ar Jan 1, 2016 · Your best way forward is to determine the point with a bounded select, like SELECT * FROM pressure WHERE time > '2016-01-01T02:00:00Z' AND time < '2016-01-01T03:00:00Z' GROUP BY *. Feb 21, 2019 · I have a java application that send measurements to an influxDB database. x, I’ve updated to 1. 15. The spread() function outputs the difference between the minimum and maximum values in a specified column. 0. SELECT <"field" or "tag"> - returns a specified field or tag. 3 this is not possible. Aug 18, 2015 · select sum(*) from measurement where field > 0 would return the sum of all of the rows. Jul 25, 2015 · The admin UI in InfluxDB 0. SELECT "<field_key>" - Returns a specific field. However that will be a lengthy process. The query above should give you all value fields moved into "measurement" with the same timestamp where field "value1"=5. ) Aug 30, 2016 · This works for me, but if I have a gazillion rows in a table but only 10 distinct tags, then it's going to sort a gazillion rows to run the distinct function. Performance: Generate profiles with the following commands for bugs related to performance, locking, out of memory (OOM), etc. Apr 13, 2019 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. > SELECT "field" FROM "measurement" WHERE tag = 19 😀. > SELECT "field" FROM "measurement" WHERE tag =~ /19/ 😕. I agree it can lead to non-intuitive behavior, but the prior behavior select [all fields] from my_measurement didn't return any tags and that appeared to be a more non-intuitive issue for the community. I have used the below query to get a timestamp out, but I'm unsure how to ensure that the timestamp I extract via this method is indeed the most recent one. I would like to be able to specify a minimum interval between results and only Jan 10, 2008 · SELECT MEAN("1m_count") FROM main_1m_count WHERE time > now() - 30m GROUP BY time(5m) (Note that by default, InfluxDB uses epoch 0 and now() as the lower and upper time range boundaries, so it is redundant to include and time < now() in the WHERE clause. I am trying something like this but is not working: select * from <measurement> where "key" > '1' and "key" < 200 I can select a range of my field key-values, for example: select * from <measurement> where value > 2000 That is working. So expected result for the below data Jun 12, 2024 · Hi I have a measurement with over 200 fields, when i select (*) it returns too many data, there are a lot of fields that i want to exclude from the select query, how can i exclude it? This is the query i’m using: SELECT * FROM “Rows size (bytes)” WHERE (“servername” =~ /Server$/ AND “type” = ‘Database size’) AND time >= now() - 1h and time <= now() I tried this one but it’s Jan 21, 2021 · Or using the "strings. 1, the SELECT clause supports regular expressions. How to divide two fields using InfluxDb query Nov 9, 2015 · If you want all fields, but not all tags, you have to explicitly name each field. Because of that we’re looking at switching to using SELECT instead. Logs: Include snippet of errors in log. Asking for help, clarification, or responding to other answers. Jan 1, 2020 · InfluxDB 3 Core, is our new open source product. You can explore them with the queries: Jul 13, 2016 · I have started playing around with Influxdb v0. Aug 18, 2015 · Is there any shortform syntax in influxdb to query for membership in a list? I'm thinking of something along the lines of . Jul 10, 2019 · I can make a query in influxDB: SELECT * FROM raw but I can't make a query like: SELECT * FROM raw WHERE "to_compute"=true I get no results. Oct 1, 2016 · SELECT LAST("water_level") FROM "h2o_feet" WHERE "location" = 'santa_monica' This will return the "newest" entry. 064 2015-08-18T00:00:00Z between 6 and 9 feet coyote_creek 8. I was sure they had added some extra days to November… InfluxDB 3 Core, is our new open source product. Query the most recent timestamp (MAX/Last) for a specific key, in Influx. I'd like to use SELECT INTO query to achieve that, but I do not know how to set the timestamps of resulting measurements. Common issues with the SELECT statement Selecting tag keys in the SELECT clause. My condition is select the values where the “key” of this values is in the range between Key>1 and key<200. InfluxDB 3 Core, is our new open source product. How can I get the last reading of each ID in a single query? query-performance Feb 16, 2017 · In InfluxDB, I have a series foo and want to create a series bar which contains daily sums of foo values, from beginning of time until that day. The SELECT clause supports several formats for specifying data: SELECT * - Returns all fields and tags. SELECT * FROM some_measurement WHERE some_tag IN ('a', 'b', 'c') For now I can string this together using ORed =s, but that seems very inefficient. I have a repeating panel of graphs, grouped by a tag value. Feb 22, 2016 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand InfluxQL was designed around the InfluxDB v1 data model, but can still be used to query data from InfluxDB 3 Core. SELECT LAST(*) FROM "h2o_feet" 2. I have a solution that I can use python and query the data points and manipulate the data then insert it back. Is this the right way? 1. InfluxDB doesn't have concept of columns, but tags (in SQL meaning something like indexed column) and fields (something like a column). 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] Aug 30, 2018 · Given below measurement in InfluxDB, I want to display a table in Grafana with a Top 2 results consisting of most frequent occurring device for a given sensor. Syntax Nov 21, 2017 · If I select CardNo first, it will let me select 18 (see picture below), but then clicking "+" to add another criteria doesn't display the option for say "PortNo" (all I get is an empty dialog box). Dec 18, 2023 · Hello, I’ve read the documentation (PostgreSQL data source | Grafana documentation) but I don’t understand how I can code what I want. That said we can definitely add this as a new feature if this is a common use case. Jun 19, 2017 · I have a database with price and timestamps in nanoseconds measurement in InfluxDB. This means we need to add at least one FIELD to the query. Oct 21, 2018 · > select * from "EVENT_LIVE" name: EVENT_LIVE time GROUP_ID COUNT ---- ----- ----- 1531008000000000000 84 2 1531008000000000000 9 8 1532822400000000000 249 1 1534636800000000000 43 1 1534636800000000000 68 1 1535241600000000000 13 13 1535241600000000000 18 4 1535241600000000000 205 2 1535241600000000000 21 6 1535241600000000000 214 1 Sep 10, 2018 · I need to find a query for InfluxDb to select a range of keys in my database. Flux documentation says that filter() function is the equivalent of both SELECT and WHERE clauses, but all examples given are equivalent of WHERE clauses, nothing on SELECT. I am adding points within my influxdb database. I also tried a subquery, but without success: Dec 20, 2017 · I'm using grafana on top of influxdb and I want to display all of these measurements in a single graph, but I don't have a closed list of these measurements. SELECT LAST(*) FROM "h2o_feet" where time < t1. Jun 6, 2022 · My data in InfluxDB for measurement with name "measurement" looks like this (id and status are tags, value is a field: {id:"string", status: "string", value: "long"} Every process that I want to describe can go through many states like this: A-> B-> C-> A, etc. If I use the Insert command I will have to type all the field sets and tag sets individually. 6. 2. e. Jul 11, 2016 · I want to do something like: SELECT * FROM surface limit 1000-2000; I. My Influx database has 2 measurements, field “value” and a tag field “key”. SHOW TAGS does not show all tag values it seems. aggregateWindow() segments data into windows of time, aggregates data in each window into a single point using aggregate or selector functions, and then removes the time-based segmentation. 0 via the Flux query language using the Python API. Here, I explicitly mention the columns and need those columns for further processing. However, for tags, doing WHERE some_tag = '' will match rows for which the tag has no value. Basically I need to filter all work items by their work_id and most recent state. Jan 30, 2020 · I'm trying to construct a influxDB select query that returns feild and tag values but also the name of the measurement the data came from. Index" feature of influxDB but inside the SELECT/WHERE? Read a ton of previous questions and other documentations, but having issues with putting it all together into a query that works. I think it must be very simple, but, since InfluxDB's MAX() function does not take muliple fields, I don't know how to get a result I want. May 10, 2021 · My jenkins send result of all tests to one influxdb measurement, the values of the measurement are test_name status and more, when the value of status in the measurement is 0 it means that the test fails and if is 1 the test passed, i want to select the last spesific test_name that jenkins send to influx if his status is 0 show me the test_name Aug 14, 2019 · I'm new to InfluxDB and I'd like to get a maximum value in the point. Jul 5, 2018 · SELECT FIRST("humi1"), FIRST("humi2"), GROUP BY time(1h) I would imagine for most climate data you'd want the MEAN or MEDIAN rather than a single data point every hour. Explore Teams Sep 28, 2017 · select count(*) from pageviews where user_id = '92363'; The query for specific event for user and article is blazingly fast: select * from pageviews where user_id = '92363' and article_id = '879729'; But when I try to add filter for non-empty (or empty) article_id, the query runs for tens of seconds. See #1997 for more details. We used to use this query: Jul 23, 2018 · There is an Inflix DB database in which values are written. I need a query to select this values in my key range to visualize them into Grafana. Jun 26, 2017 · You will need to do some manual work. select records 1000-2000 only from the 'surface' table. I thought about something like. A SELECT clause without any fields is invalid. Run it directly, $ influx -execute "select * from measurement_name" -database="db_name" | wc -l This will return 4 more than the actual values. Use first() and last() with aggregateWindow() to select the first or last records in time-based groups. *") But not sure on the influxdb syntax for this May 1, 2018 · I trying to find a way to get the most recent row for each serie in a measurement. We typically request data back over some range of time, like the most recent hour, or 48 hours from last month, OR we want the actual most recent value for a series. 9. 5. Jan 23, 2020 · You cannot do this with InfluxQL,it is not possible to nest the queries in a way that could pass the time range of the inner query to the outer query. By default, the server will keep up to 900 WAL files buffered up (15 minutes of data) and attempt to persist the oldest 10 minutes, keeping the most recent 5 minutes around. A: At influxdb 1. This is how I am adding my points (measurement building) : Feb 18, 2021 · InfluxDB + Flux: Get most recent timestamp for a measurement via Python API Hot Network Questions Help with AnyDice calculation for 3d6, reroll the third 1 or the 3rd 6 in any score Dec 1, 2016 · SELECT user_name,user_id,user_email[,] FROM all_the_data A: Starting with version 1. stats. 938 Query InfluxDB. 7 ff383cd) Other relevant environment details: config out of box; Config: config out of box. Dec 16, 2016 · I have a data set of devices and the number of (un)instalmments of my app that are done daily. 123 some. Oct 30, 2020 · Here is an example of a measurement in my database : time category VM observation severity ---- ----- --- ----- ----- 1434067460000000000 availability VM2 cpu 1 1434067470000000000 availability VM2 memory 3 1434067480000000000 availability VM1 memory 2 1434067490000000000 treacability VM1 filesystem 1 May 7, 2015 · @DanDascalescu what you say is true for fields. I am able to query more than one measurements successfully but when it comes to combining multiple measurements with different fieldType, influxDB only returns results for one fieldType. select * from new_series_from_prior_query where state = 'error' First question, is this even possible? Second, if not, is there another way to get the desired result using influxdb. Sep 28, 2022 · How to select last record in InfluxDB. Jun 25, 2015 · @contentfree the implicit GROUP BY * is a way of returning the tag values when doing a SELECT *. So add limit on it, use tail() to specify n records to query data descending by time. What did you expect to happen? As said, it is Nov 29, 2022 · How to select last record in InfluxDB. 15 Query the most recent timestamp (MAX/Last) for a specific key, in Influx. Subsequent requests can add new fields on-the-fly, but can’t add new tags. The example shows this a bit better: Inp… Nov 25, 2020 · In the flux language help for last-function is this example: from (bucket:"example-bucket") |> range (start:-1h) |> filter (fn: (r) => r. 7 What are you trying to achieve? get the last value, so there is always a value displayed, even if not: What happened? Due to API Limitations I can only fetch data very rarely. In the next filter column, select _measurement from the column dropdown menu, and then select the home measurement. Mar 29, 2017 · When I query my influxdb like this, I get the desired results. Any better approaches? Nov 26, 2020 · I need to get the highest (aka most recent) timestamp for a specific Measurement in InfluxDB 2. Here is my flux query -- Query builder. It was an issue in 1. (The tag value will still be returned as null in the JSON response from the /query API, though, not as the empty string, because internally-consistent type systems are for pansies. Let's say the measurements are like: some. For this tutorial, select the get-started bucket. select() is an alternate implementation of from(), range(), filter() and pivot() that returns pivoted query results and masks the _measurement, _start, and _stop columns. Feb 26, 2020 · I have a measurement that indicates the process of changing the state of smth. Zilch. I would call that a timestamp AND formatted by date and time. Aug 10, 2018 · > select * from cost name: cost time isok type value ---- ---- ---- ----- 1533970927859614000 true 1 100 1533970938243629700 true 2 101 1533970949371761100 3 103 1533970961571703900 2 104 As you can see, there are two rows with isok=true and two rows which have no field named isok ; so there is only one way to select the time of rows which have Jan 18, 2019 · How to format time in influxdb select query. It is a recent-data engine for time series and event data. 3 days ago · Examples. I’ve created a custom variable, name TEST, with 2 values A and B. Install the influxdb3-python library; Create an InfluxDB client; Execute a query; Install the influxdb3-python library. Our application uses v1. 662703915 is hour:minute:second:nanoseconds. Can someone tell me why that is? InfluxDB 3 Core, is our new open source product. 12 [] 2015-09-18T21:36:00Z between 3 and 6 feet santa_monica 5. Regular expressions are enclosed with / and require adding ~ after comparison operator: select * from students where rollNumber =~ /1|2|3/ limit 10 This will return 10 students, where rollNumber tag contains 1 or 2 or 3. Sep 10, 2018 · Hi there, I am trying to select a range of values with a condition. To build and execute a Flux query with the query builder:. The easiest way to see this is to use the Data Explorer in InfluxDB 2. 0 Selecting InfluxDB records with non-empty tags Jan 15, 2021 · SELECT * FROM flights WHERE type='fil' AND engineId= '2' AND flightId = '1696' AND flightIdx = '0' AND cycleId = '1535' AND cycleIdx = '0' Such query, however, yields always zero results. 8. Sep 5, 2017 · To select the latest 100 data points from a measurement I use the following query: select field1, field2 from measurement where time < now() order by time desc limit 100 However I need the values in ascending order. These are the documentation for FluxQL for better reference: Jul 16, 2019 · Assume you're given an InfluxDB measurement you haven't seen before and you run, SELECT * FROM measurement How can you tell which of the keys returned are tags, and which are fields? The InfluxDB shell sorts the keys alphabetically, so unlike the Line Protocol, fields don't come before tags. 789 I'm trying to get test v influxdb. When replacing the where filtering by a regex, however, I get no results. Also, the goal is to get one column per sensor not grouping rows by the different sensors. select DB,AREA,sptotal,spfree,pctfree from ORA_SIZE GROUP BY DB order by time ; name: OR Aug 19, 2019 · For some reason my code created a series named ">" into influxdb database. if multiple field and tags you want to give in the statement then: select application_guid,application_type::field, metric_type,stream_name::tag from language. Some components does only work with “Event Polling”. to_compute is a tag, it is supposed to be boolean, but I can only find types for fields. I don't know if that's necessary though, if you want to get back the columns as OsName then why did you name it os_family to begin with. SELECT <"field" or "tag">, <"field" or "tag"> - returns more than one tag or field. A query requires at least one field key in the SELECT clause to return data. Aug 27, 2021 · How to select last record in InfluxDB. 8 site player name player Score Site1 john 12 site2 Dennis 13 site3 walker 11 Site1 john 10 site2 Dennis 11 site3 walker 9 is it possible to show only the latest record for each site, i have tried Jun 23, 2016 · Saved searches Use saved searches to filter your results more quickly Aug 11, 2021 · select * from "measurement" where "value1"=5. Note: The SELECT statement requires a SELECT clause and a FROM clause. SELECT <"field"> AS a - return the field as the Feb 4, 2020 · hi , i have multiple sets of records like the following , im using Table panel in grafana , using the influx 1. When I run the following query in the InfluxDB Administration Interface, it returns 30000: Feb 16, 2021 · instead of returning the last Temperature observation of each ID, it returns the most recent temperature timestamp of the whole group. When you query InfluxDB with Flux, you're going to a set of tables, one table per measurement+tags combination, and you're going to get the data one column at a time rather than one row at a time. Getting a range is usually quick, but getting the last value written is often slow. select * from series group by work_id limit 1; Then take that data, and run. How do I get the last recorded data (for example, protocol number and time in long) for a device named "test"? I tried to get it through Apr 22, 2020 · Filtering by measurement and select * from CoreTemperature will read all points saved for the measurement, but I only want the most recent value. Provide details and share your research! But avoid …. 13 and I have some dummy values in my test db where id is a tag and value is a field: > SELECT * FROM dummy name: dummy ----- time Nov 10, 2021 · I'm trying to get an exact field from multiple measurements with the same naming pattern. > show series key --- >,Test_Prog=python,User=unknown Bazooka,Test_Name=helloworld, Jun 22, 2018 · InfluxDB does not have IN operator, however it supports Go-lang regular expressions in WHERE clause for fields and tags. There is no way to select only the fields by wildcard. How do I query InfluxDB to show me current time and date? 0. 3 which should have fixed it, but it has happened again. Feb 29, 2020 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. To confirm, could you please try this: See whether there are some data from last 24 hours InfluxDB 3 Core, is our new open source product. 10, with data sent via Telegraph on Win10 computers. May 29, 2017 · I want to get records from my influx db which are included in array of values. InfluxDB 3 Core is optimized for recent data only–it accepts writes for data with timestamps from the last 72 hours. 4. 662703915Z, where 2015-07-17 is the year-month-day, and 20:32:58. The points that I add each time that my program run have the current timestamp. Use the SELECT statement to query data from a particular measurement or measurements. InfluxDB how to get the last recorded values. 7. The module supports writing data to InfluxDB and querying data using SQL or Oct 15, 2019 · InfluxDB version: InfluxDB v1. Returning the LAST() value in measurement for each tag. _field == "usage_system" ) |> last () How… Jan 11, 2024 · We typically request data back over some range of time, like the most recent hour, or 48 hours from last month, OR we want the actual most recent value for a series. Apr 14, 2023 · What Grafana version and what operating system are you using? v9. # Feb 21, 2023 · SELECT "<field_key>","<tag_key>" - Returns a specific field and tag. However you should be able to work out what data lives in there. Aug 23, 2020 · If you (or someone else who lands here) just wanted the difference between the min and max values you would want the built-in spread function. Jul 6, 2021 · I'm trying to select a field from a measurement depending on another fields value (with Flux) A SQL-Statement would look like this: SELECT column1 FROM table WHERE column2 &gt; 100; Thx in advance Apr 29, 2015 · We are running influxdb version 0. Influxdb how to select and delete data with not integer value. 00019687 HIST USD-YFI 1636761600000000000 USD YFII YFII-USD-SWAP okex -0. So there could be the same data for a long time. 066 2015-09-18T21:42:00Z between 3 and 6 feet santa_monica 4. it's another matter if you were using Flux (new Query Language but still in BETA). Query all fields and tags in a single measurement > SELECT * FROM "h2o_feet" name: h2o_feet ----- time level description location water_level 2015-08-18T00:00:00Z below 3 feet santa_monica 2. I didn't find a clear answer to this in the limited Flux Documentation present. Currently I'm inverting the result in my application, which is costly. Dec 13, 2021 · Is it possible to query for all of the most recent values? The last() function gives you only one record. Sep 27, 2018 · Thanks for your answer. How can I make this query ? InfluxDB 3 Core, is our new open source product. SHOW TAG KEYS|VALUES queries can be used to show all tag keys or values for a given measurement. Feb 10, 2019 · Q: I would like to know if it possible somehow from the CLI of the influx to select the data of a specific shard. I am wishing to sort these graphs by an aggregate numeric value, rather than the tag value Dec 15, 2017 · How to select last record in InfluxDB. I can enter the field value manually (eg PortNo) but other users will be plotting graphs and won't necessarily know the underlying schema. 1 (git: 37cc047133) build_date: 2020-11-11T03:53:31Z About the 2 errors: these COVID-months look eternal. So I have sequences Oct 8, 2018 · I can use the select into statement however that will not allow me to make changes to the datapoint. SELECT DISTINCT to return all distinct (different) values. where t1 is the timestamp of record obtained from Step1. Oct 23, 2022 · Your syntax looks good to me. Tip: If you have value1,value2,value3 in your measurement then you can use regex like: select /value/ from "measurement" where "value1"=5 Dec 11, 2020 · InfluxDB 2. Query influxdb for a date. I need to delete this series. In the FAQ, I can only find an example with fields but not with tags. Example: select value from series where time between start_time and end_time I am querying like this. InfluxDB 3 Enterprise is a commercial version that builds on Core’s foundation, adding historical query capability, read replicas, high availability, scalability, and fine-grained security. 00026098 HIST Dec 8, 2019 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Oct 22, 2014 · The AS clause in InfluxDB is meant to be used in two cases (described below). I just now started with influx, Need help to get the data sorted by timestamp and the latest data by it. "select value from s InfluxDB 3 Core, is our new open source product. basic example, and more complex example Mar 7, 2019 · select application_guid,lang from language. python influxdb InfluxDB 3 Core, is our new open source product. ) By default, InfluxDB returns results in ascending time order; the first point returned has the oldest timestamp and the last point returned has the most recent timestamp. In the FROM column, select the bucket to query. 00026098 HIST Dec 8, 2019 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Jun 22, 2023 · I'm trying the following simple query that in SQL would look like this: SELECT * FROM MEASUREMENT WHERE end_date > 1687447435983242 I want the equivalent of this in FluxQuey. 1 and above returns times in a format like this: 2015-07-17T20:32:58. When I do a select grouped by time like this one: Query the most recent InfluxDB 3 Core, is our new open source product. The NaN point should be somewhere in the return. Something like the following query might work, depending on your data: SELECT /user/ FROM all_the_data Check out the Data Exploration page or this InfluxQL short for more on the SELECT clause. The influxdb3-python package provides the influxdb_client_3 module for integrating InfluxDB Cloud Serverless with your Python code. 1. 0001805 HIST USD-YFII 1636761600000000000 USD ZEC ZEC-USD-SWAP okex 0. Jan 28, 2021 · Depending how much data you collect, eventually the output of SHOW TAGS and SELECT tagname,fieldname are different. In this case you would use the to() function to write the resulting data back into the measurement using the same timestamps and other tag keys. Query to get the shards information: show shards InfluxDB 3 Core, is our new open source product. Selecting the first (and only) tag works fine: SELECT * FROM flights WHERE cycleId = '1535' but using this condition on any other tag, like for example InfluxDB 3 Core, is our new open source product. There is also no way to SELECT tags without at least one field value. How can you query data without SELECT clause? When querying over influxdbs HTTP API it expects one of the following keywords first: SELECT, DELETE, SHOW, CREATE, DROP, EXPLAIN, GRANT, REVOKE, ALTER, SET, KILL. 0, along with Flux Tasks, I believe you could add the literals back into the DB by using the map() example. In the InfluxDB API, specify the database in place of using the db query string parameter if desired. Depending of the value of TEST, I would like to plot the measurement C or D, I suppose that I need to use a select case, but I don’t succeed 🙁 The sql code without variable/select case Mar 1, 2022 · I am using an InfluxDB data source in Grafana. 0-rc28, when there is not much load 'select' works fine but when we ingest ~5000 data points per second, 'select' query returns old data points and not the recent ones. Every second the system asks whether smth is changing, if so it stores 1 in db, otherwise nothing. May 27, 2019 · I already have InfluxDB working and getting monitoring data about some services (the value is just 1 for up and 0 for down). May 11, 2017 · i want to select record between two date time string value in influxdb. The SELECT clause must specify at least one field when it includes a tag. ORDER BY time DESC reverses that order such that InfluxDB returns the points with the most recent timestamps first. select * from (select table_name from all_tables where table_name like "task_runtime. So far, I could not find a way to select all fields but filter with one fields. for example: Assuming the series in results measurement are: > select series from test_result results,service=MyService,team=A result,service=MyService,team=B test_result,service=MyService,team=C and the rows in a given time frame are: After a schema is created, InfluxDB validates future write requests against it before accepting the data. 0. Nov 9, 2017 · Using InfluxDB 2. Jan 6, 2020 · Is it possible to query latest N records from a table with a single query? Now I am using two queries for getting the latest N records as given below. eg: select "foo" from /^(A|B|C)$/ where time > now() - 1h; With the measurements being A B and C. SQL Example: select * from users where id IN (54, 55, 100, 300); Is it possible to do the same in influxdb? Jul 24, 2019 · I have an influxDB testdb where, I am trying a SELECT query on 4 different measurements with different fieldtype. Jul 18, 2016 · How to format time in influxdb select query. Jul 6, 2021 · You are trying to use SQL knowledge for nonSQL InfluxDB. This works by first selecting all entries including an unpopulated field ( count ) then groups by the unpopulated field which does nothing but allows us to use the fill operator to assign 1 to each entry Nov 9, 2017 · I am using InfluxDB for tick data from Tokyo Stock Exchange, where trading happens between 09:30 and 11:30 (AM session) and then from 12:30 to 15:00 (PM session), with a one hour lunch break from 1 The SELECT clause supports the following: SELECT * - return all tags, fields and timestamps. . Once you find the point, record the full tag set and the timestamp. May 17, 2022 · Firstly use all time range from 0 to now() (influxdb-client-python #172) It will take long time if date is huge. wcl nfup ypebcgz sfb kjnl woua hzv wbx jqngqdz dhoqc