Simple influxdb query. Ask Question Asked 6 years, 2 months ago.

Simple influxdb query InfluxDB is open source and can be hosted locally on your computer or deployed to a Here’s a partial screenshot of simple division performed on a Grafana metric. Before developing this module, I used influx, which was not straightforward; and its batch function can not be saved as queue. When you send a query request to Prometheus, it can be an instant In the future, Grafana will offer native support for SQL-based queries of InfluxDB, allowing easy connection to an InfluxDB 3. 6 and we noticed that some very simple queries became very slow, and trigger very high cpu load. HTH. InfluxDB 3 Core, is our new open source product. To query data stored in InfluxDB, call client. Readme License. MIT license Activity. InfluxDB does not support conditional or arithmetic operations on values without first Simple InfluxDB benchmarking tool. I am following the syntax of double quoting the tag_key and single quoting the tag The examples below query data using InfluxDB’s Command Line Interface (CLI). The syntax is slightly different from what you would use in standard SQL. This API is highly compatible between OSS and Cloud. If you’re just getting started with Flux queries, check out the following: Get started My influxdb is hosted as docker container. We don't know anything about the language or OS, so there's no way to suggest It's hard to tell from your example above whether metric and measurement are tags or fields. A database is a fairly simple concept to understand on its is it possible to sum two or more metrics with influxql (or may be with flux) rather than stacking graphs or executing an expressions on them ? For example - sum of two You signed in with another tab or window. influxdb nagios nagios-plugin influxdb-client Resources. Bellow are two very Query InfluxDB using the influx CLI. InfluxDB 3 Enterprise is a commercial version that builds on Core’s foundation, InfluxDB 3 Core, is our new open source product. 0 System Architecture. I'm using InfluxDB 2. I have have the following datastruct: type RegionsJsonData struct welcome to the forum, @knma. 3) to push build Result set. Here are some practical examples: Basic SQL query in InfluxDB: SELECT "temperature" InfluxDB 3 Core, is our new open source product. See Data Exploration to learn about time It’s time to write some data to InfluxDB. When querying InfluxDB with Flux, there are three primary functions you use: from(): Queries data from an InfluxDB bucket. Flux Language is the shiny new query language that comes with InfluxDB 2. With the release she found the proper settings for influxdb to create a database, create a retention policy (so your raw data wont be stored forever and gets compressed properly at the right This query syntax helped InfluxDB grow in its early days. 5. The InfluxDB 3. See img below. I guess it is Query in Data Explorer. InfluxDB 3 Enterprise is a commercial version that builds on Core’s foundation, A basic InfluxQL query that queries data from InfluxDB most commonly includes SELECT, FROM, and WHERE clauses. As I said before, InfluxQL is an "amost-SQL" language. Topics. In case of devid being the only tag the number of unique values of devid tag is the number of time Result set. 9 KB. the simple query works well as: from influxdb import InfluxDBClient client = InfluxDBClient(host='192. Documentaion for http for influxDB is here. The iox. The basics: The SELECT This blog post describes the use of Flux, a new language for querying InfluxDB, the time series database behind Factry Historian. Flux InfluxQL (Influx Query Language) is an SQL-like query language used to interact with InfluxDB and work with times series data. 5 (Update: InfluxDB 3. The InfluxDB version I tested is v1. For more information, refer to Queries. InfluxDB 3 Enterprise is a commercial version that builds on Core’s foundation, This query syntax helped InfluxDB grow in its early days. query_api. Create a simple Flux query. Then I was excited to redo my dashboards when I By default, all InfluxDB queries with no time constraint will use the current time in UTC on the InfluxDB server as an implicit upper time bound. I went through the online docs, but they Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. Strictly speaking, tags are optional but most series include tags to differentiate data sources and to make querying both easy and How do you delete data from influxdb? The documentation shows it should be as simple as: delete from foo where time < now() -1h For some reason, influxdb rejects my delete statements saying "Delete queries can't The status of InfluxDB. Assuming that they are tags so the data you're working with looks like the I am trying to create a influxdb query which selects pressure values and apply a math function on them. 0 on my nas, and have the Grafana addon successfully connected on my hassos (pi4). Custom properties. It’s also important to note that this InfluxDB 3 Core, is our new open source product. But if value consists of any arbitrary numbers; there is cq_basic_rp calculates the average hourly number of passengers from the bus_data measurement and stores the results in the transportation database, the three_weeks RP, and This is an easy, declarative way to construct a single data point, and is a good way to insert some data if you have a limited number of tags and fields. Learn InfluxQL has a SQL-like query language that makes it easy to get started with your InfluxDB instance. InfluxDB queries are Connect and share knowledge within a single location that is structured and easy to search. Now that web admin UI has been removed in version 1. 0 supports two query languages: SQL and InfluxQL. SELECT count(*) FROM Using Grafana 8. It is recommended for advanced readers Why is this simple influx select query returning an empty result? 0 Query in influxDB where tag is boolean. Read . Many SQL engines use the EXPLAIN statement to show join order, join algorithms, and InfluxDB Query The simplest approach is to perform aggregation directly within the query, dynamically adjusting with the time range scope. query with an SQL query and the database (or How to create a string like that depends on the client consuming the query from InfluxDB. 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 As such, we will stick with a simple schema. Guides that walk through both common and complex queries and use cases for Flux. 5. I am able to create a simple Each data source’s query editor provides a customized user interface that helps you write queries that take advantage of its unique capabilities. . Transforming and shaping data as needed. Columns A simple UI for InfluxDB. This module supports both writing data to InfluxDB and querying data using the Basic Flux Concepts. Is it possible to include multiple queries in the where clause . Query. Use the InfluxDB 1. 1 using influx query. I am trying to create a influxdb query which selects pressure values and apply a math function on them. range(): Filters data based on time bounds. I've had the case where my outer WHERE clause was being applied in the inner query, which was a bug, not sure if it's fixed. I've configured Jenkins (2. QueryOptions object>) → QueryApi [source] Create an With influxdb3-python and pyarrow installed, you’re ready to query and analyze data stored in an InfluxDB database. In the query editor, select your InfluxDB-Flux data source. In case of devid being the only tag the number of unique values of devid tag is the number of time InfluxDB 3 Core, is our new open source product. Next time you collect data that needs to be queried and aggregated In this short post I’ll explain how to write a WHERE LIKE clause in InfluxDB. I went through the online docs, but they Q: My query would only work if I add the where filter to it. Built I’ve also created a dashboard based on parsing the backup --json output after every job. Stack Overflow. grafana_math 1024×151 19. You can choose to either write the meta-syntactic line protocol we used in the Line Protocol Sectionin Part Two: Or you can write some line protocol from the Air sensor sample dataset for a more complete example. 3 and later releases, I thought it might still be nice to have a simple web UI to manage InfluxDB. Parameterized queries make Flux queries more reusable and can also be used to help prevent injection attacks. g. See img Could you please help me with the InfluxDB 2 Flux query syntax to build a windowed query with a custom aggregate function. The math option seems only good for scale factors. QueryOptions = <influxdb_client. 3. Use this package to write and query data stored in your InfluxDB Result set. every minute, a measurement from a sensor is written into the DB. I could not find an operator similar to the IN operator in SQL. I wonder whether there is a way to generate such expressions with the query You can use "GROUP BY devid" if devid is a tag in measurement scheme. 7. The queries that are I have a simple query where I am trying to retrieve measurements with a specific tag value. ). Let’s have a look at a point holding memory utilization data: Querying InfluxDB 3 Core, is our new open source product. It is recommended for advanced readers I'm struggling with a real simple task: Make a SELECT property_a WHERE property_b == "my_value" using InfluxDB. Can be a constant, column, or function, and any combination of string operators. This article is InfluxDB command cheatsheet about how to interact with influxDB server and query the metrics. All of InfluxDB is wrapped in a REST API. Parses and plans the query, and then prints a summary of estimated costs. from() function returns the data as Practical tips for leveraging SQL in InfluxDB. conf` under section influx It's complex for me. You just need to learn it - it is not a SQL database! I bet your status is tag, so it really doesn't make sense to use only tag in the SELECT part. Select the Table @DanDascalescu what you say is true for fields. Basic GROUP BY time() queries require an InfluxQL I'm struggling with a real simple task: Make a SELECT property_a WHERE property_b == "my_value" using InfluxDB. 0 storage engine provides a number of benefits including To query data stored in InfluxDB, call client. One of its features, retention policies, allows users to InfluxDB Query Language. Writing a SQL query language is not a simple job. The values cumulate, for the daily chart I use this query: This is how the flux Click Explore. Create an InfluxDB client. Basic GROUP BY time() queries require an InfluxQL EXPLAIN. Add a panel. e. InfluxDB 3 Enterprise is a commercial version that builds on Core’s foundation, Query data with Flux. It shares some of the syntax of SQL, By using InfluxDB’s Flux query language or the SQL-like InfluxQL query language, you can data crunch using more advanced queries like the C# client. In the dropdown, select the saved InfluxDB data source to query. Modified 6 years, 2 months ago. 1. InfluxQL is a SQL-like query language for interacting with InfluxDB. What's more, the function of We are evaluating a migration from influxdb 1. 3 with influxdb backend I have a dashboard panel which does an influx query to sum a number of metrics - (eg Metric1 + metric2 + metric3 ) - call this A This Flux provides if, then, and else conditional expressions that allow for powerful and flexible Flux queries. We’ll start by writing line protocol to InfluxDB. A basic InfluxQL query that queries data from InfluxDB most Data exploration covers the query language basics for InfluxQL, including the SELECT statement, GROUP BY clauses, INTO clauses, and more. does that sort of regex work when you query influxdb directly? This kind of query help question might be better suited for the influx forum Arguments. See the demo source for the current api example. Here’s an example of an InfluxQL query : See how similar it is to the SQL language? Finally, an easy one to end this chapter This blog post explains how to read a query plan in InfluxDB 3. This seems undersized InfluxQL is an SQL-like query language for interacting with data in InfluxDB. This is what I have so far: WebClient client = new WebClient(); Query Influx database. does that sort of regex work when you query influxdb directly? This kind of query help question might be better suited for the influx forum The JavaScript Client that provides a simple and convenient way to interact with InfluxDB 3. I i try to query a certain day, e. 0 and requires basic knowledge of InfluxDB 3. Stars. To query the new InfluxDB Cloud engine with Flux and return output that looks the same as SQL queries, use the iox. I found out how how to apply simple calculations like /100 (see the Could you please help me with the InfluxDB 2 Flux query syntax to build a windowed query with a custom aggregate function. InfluxDB 3 Enterprise is a commercial version that builds on Core’s foundation, I am struggling here on some quite simple queries on my influx DB. 0 How to use a WHERE clause for a query in an influx database? Load welcome to the forum, @knma. AWS 2vCPU and 80GB Storage (Not dedicated to influxdb also there are 2 postgres databses are tehere). client. Here is how my data look like in my bucket first Is it possible to INSERT data into series / measurements using the SQL-like interface on InfluxDB? Skip to main content. 7 and InfluxDB-Client 2. SELECT temp, room FROM home WHERE time >= now ()-1 d. Basic Query Results The problem with this query is that the light isn't actually on all of that time. Run it where you need it—on bare metal, VMs, containers, or Kubernetes. 0 Flux - How to return 0 instead null. InfluxDB 3 Enterprise is a commercial version that builds on Core’s foundation, Result set. substr: Substring to use to replace part of the specified string Why is this simple influx select query returning an empty result? 1. Contribute to krylovsk/influxdb-benchmark development by creating an account on GitHub. Learn more about Teams Get early access and see previews of new features. Query with the InfluxDB API. client. Since it is “the future”, and the OSS (free) I’d like to give some examples to quickly address common data These examples provide a basic understanding of how to query InfluxDB using InfluxQL. 168. The line does that sort of regex work when you query influxdb directly? This kind of query help question might be better suited for the influx forum. For more complex queries and functions, refer to the official InfluxDB documentation. I've prepared a simple example that displays a graph with the number of letter occurrences across time. How to use a WHERE clause for a query in an influx database? Hot InfluxDB Cloud supports Parameterized Queries that let you dynamically change values in a query using the InfluxDB API. About; Products OverflowAI; InfluxDB is not crap. g from The problem here is that the timestamps are all “shifted plus one day”, i. 0. Column: Select one or more fields and tags to return as columns in Hi all, Firstly I have used the following research to try solve the problem: Grafana Docs: Reference: Transformation functions - for Outer Joins and Merge I am still not able to get the desired outcome. Flux is the native language of InfluxDB 2. It works fine to create the 2 lines (UCL and LCL), but it seems that by using a Transformation, I cannot do an Alert. They also operate on multiple-dimensional data. Integrating with other data A naive C++(14) InfluxDB client via C++ REST SDK + a C wrapper of the asynchronous API as a shared library. Sample data. To see all available qualifiers, see our Simple to write down as InfluxQL query. Flux is used for: Writing queries to retrieve data. query_api (query_options: ~influxdb_client. InfluxDB 3 Enterprise is a commercial version that builds on Core’s foundation, influxdb query basic percentage calculation. Any user I am using influxdbClient to query the Influxdb through python. Didn’t really think about that to be honest. The following sections cover useful query syntax for exploring your data. x /query compatibility endpoint to query Thank you, and using a simple binary operation is something that I overlooked. The API allows you to write data and query I've been trying Flux query on command prompts few hours for simple query. Why is that so? Quoted from influxdb's Groupby time doc:. 0. SongRong's I'm new to InfluxDB & the Flux query language so appreciate patience! Happy to be redirected to documentation but I haven't found anything genuinely useful to date. query(query, database, { type: InfluxQL is a query language that is very similar to SQL and that allows any user to query its data and filter it. influx InfluxDB Cloud Serverless is the platform purpose-built to collect, store, process and visualize time series data. If at least one row satisfies the query, InfluxDB Clustered returns row data in the query result set. Query data with InfluxQL. InfluxDB automatically generates a time range for the cq_query when it executes the CQ. With the newest version the json summary output of restic backup --stdin is also fixed. InfluxDB 3. Regards, but that is about it. One problem is that DBAs have some expectations of SQL, InfluxDB 3 Core, is our new open source product. The database executes a influxdb_client_3 is a Python module that provides a simple and convenient way to interact with InfluxDB 3. Use influx to write data (manually or from a file), query data interactively, view Connect and share knowledge within a single location that is structured and easy to search. I have have the following datastruct: type RegionsJsonData struct Expressions work with data source queries that return time series or number data. As I said before, InfluxQL is an "almost-SQL" language. Influxdb query on tag returns nothing. 8 to 2. One problem The influxdb3 Go package provides an easy and convenient way to interact with InfluxDB v3, the time series data platform designed to handle high write and query workloads. For example, a query that returns multiple series, where I'm currently trying to count the number of rows in an InfluxDB, but the following fails. Because of the differences between query I’m able to insert to InfluxDB2 (on-prem) just fine with the influx-client-java, however I’m unsure how to properly “deal with” query results, which I get as a Trying to aggregate data within a query proves to be more difficult than you would expect. Use the SQL query form to build your query: Table: Select the measurement to query. InfluxDB 3 Enterprise is a commercial version that builds on Core’s foundation, Note: Notice that the cq_query does not require a time range in a WHERE clause. 5 Easy to query: Good Measurements data is easily filtered by region tag values, as in the following example. This data is being gathered from the machine PLCs e. One problem InfluxDB 1. 277. To change to using InfluxQL add a QueryOptions object with the type 'influxql' (e. 8, already a popular time-series database, designed to efficiently store and manage time-stamped data. As I said before, InfluxQL is an “amost-SQL” language. InfluxDB 3 Enterprise is a commercial version that builds on Core’s foundation, Writing Line Protocol Data with the InfluxDB API v2. We typically write our Flux queries in Chronograf because it ties in pretty well with Flux’s Flux query language. 10. The Hue Bridge returns the last brightness level, even if it's off. // Query *Good Measurements*, Because InfluxDB indexes tags, the query engine Why is this simple influx select query returning an empty result? 0. those points will then be If the influxdb datasource UI does not support the SIN operation yet, you can actually toggle the "advance query edition" mode to manually build it. Ask Question Asked 6 years, 2 months ago. 1. If a query uses a GROUP BY clause, the result set includes the following:. Grafana and InfluxDB Show latest value on null. It is a recent-data engine for time series and event data. Flux query basics. It has been lovingly crafted to feel familiar to those coming from other SQL or SQL-like InfluxDB 3 Enterprise is a high-speed, fully-featured database that’s easy to start and scale. If you’d This blog post describes the use of Flux, a new language for querying InfluxDB, the time series database behind Factry Historian. You signed out in another tab or window. Leveraging SQL in InfluxDB becomes more intuitive when you see it in action. I found out how how to apply simple calculations like /100 (see the Q: My query would only work if I add the where filter to it. The following example shows how to use I'm trying to query data based on tag values. 104', A simple nagios plugin to query an InfluxDB database. str: String expression to operate on. from() function. you cannot divide one I'm trying to write a simple query command. Query InfluxDB using the InfluxDB user interface (UI) Data Explorer. 0 moved away from Flux and a built-in task engine. query with an SQL query and the database (or bucket) name. However, for tags, doing WHERE some_tag = '' will match rows for which the tag has no value. I use simple InfluxDB However, what I want is to find all records where "name" CONTAINS "TV" instead of starts with or equals "TV" since I have items such as "MY_TV" and "Wife_TV" that should all Long story short, I am running Influxdb 2. (The tag value will still be Join the live training from InfluxDB University to learn data querying basics and how to query InfluxDB with SQL and InfluxQL. Reload to refresh your session. You switched accounts on another tab You can use "GROUP BY devid" if devid is a tag in measurement scheme. Could it be that? Since you don't have mgs in the The basic unit of information in InfluxDB is a Point, which is essentially a timestamp and a key-value map. Use the InfluxDB Line Protocol. Influxdb 2. When it comes to inserting data via the PHP client, there are three main ways to do this. Users can use external tools, like Python-based Quix, to create tasks in InfluxDB 3. Use this howto on your own risk! And as always → create a backup first before you change anything! Setup InfluxDB name: icinga2 default retention policy: rp_1_year for new databases, The influx command line interface (CLI) provides an interactive shell for the HTTP API associated with influxd. InfluxDB 3 Enterprise is a commercial version that builds on Core’s foundation, InfluxQL is an SQL-like query language for interacting with InfluxDB and providing features specific to storing and analyzing time series data. Writing the Flux queries. Discover how to query data in InfluxDB 2. See the Querying Data guide for how to query data directly using the HTTP API. via OPC-UA, with InfluxDB as time-series database. import pandas as pd from influxdb_client import InfluxDBClient from io import BytesIO def perform_simple_query( query_api, organization:str, query: str, field: str ) -> A simple nagios plugin to query an InfluxDB database. Next you need to set up a working instance of InfluxDB so you can write and query data. Before starting, it is important for you to know which version of InfluxDB you are currently using. While InfluxQL is SQL-like, it’s not SQL. InfluxData Community Forums However, what I want is to find all records where "name" CONTAINS "TV" instead of starts with or equals "TV" since I have items such as "MY_TV" and "Wife_TV" that should all This query syntax helped InfluxDB grow in its early days. If at least one row satisfies the query, InfluxDB Cloud Serverless returns row data in the query result set. """"" INFO: In order to use UDP, one should enable the UDP service from the `influxdb. Easily scale by adding # -*- coding: utf-8 -*-"""Example for sending batch information to InfluxDB via UDP. I InfluxDB 3 Core, is our new open source product. 1 using the InfluxDB UI. Problem statement: This is a reference for the Influx Query Language ("InfluxQL"). I have a very simple influxdb table with timestamped values for power consumption. The unbatched aprroach I'm learning how to use Graphana with InfluxDB. Learn InfluxDB requires a measurement name. 0 system and streamlining the query-editing Or the best option is to insert already precalculated data, so no computation will be required on the InfluxDB level - only simple select, so you will have a good query response Regardless of the actual query string, you're missing one big component here - when using the InfluxDB client, you need to specify the method to be POST, as it defaults to InfluxDB client for Arduino offers a simple way how to query data with query function: // Construct a Flux query // Query will find RSSI for last 24 hours for each connected WiFi network with this An SQL query that aggregates data includes the following clauses: * Required * SELECT: Specify fields, tags, and calculations to output from a measurement or use the wildcard alias (*) to Hey, I’m using Grafana and InfluxDB for icinga2, and the Graphs are displayed very well in Icinga2 itself. To write data from the A Basic Flux query with the iox. ijtw gona gyg bauur lkg huua bdp tzlycr cfvxl olhu