Influxdb select query examples. A basic InfluxQL query that queries data from InfluxDB most common...
Influxdb select query examples. A basic InfluxQL query that queries data from InfluxDB most commonly includes SELECT, FROM, and WHERE clauses. Below are examples of common queries in InfluxDB: Basic Select Query To retrieve data from a measurement: InfluxDB needs something more scalable. Learn which database offers the best performance, scalability and features for your needs. A basic SQL query that queries data from InfluxDB most commonly includes SELECT, FROM, and WHERE clauses. Learn installation, configuration, performance differences, and choose the right database. Use the SELECT statement to query data from an InfluxDB measurement. Syntax Examples Common issues Regular expressions Data types and cast operations Merge behavior Multiple statements Syntax There are multiple ways to query data from InfluxDB including the InfluxDB UI, CLI, and API. The query language evolves much quicker compared to the storage engine. At the moment, the storage engine and query language are in the same project, which blocks fast iteration on the code that we would like to have. The engine needs stability, but the query language needs more functions and capabilties. Jan 23, 2018 · Learn how to query InfluxDB by looking at its architecture, scalability, and TICK script and IFQL, as well as a roadmap for IFQL. For example, the following continuous query will expand your perfmetric1 series into multiple series of the form perfmetric1. 2 Answers As @valentin answer says, you need to build an index for the id column for InfluxDB to perform these queries efficiently. The SELECT statement cannot include an aggregate field expression (one that uses an aggregate or selector function) and a non-aggregate field expression. Use the SELECT statement to query data from a particular measurement or measurements. 4 hours ago · Compare TimescaleDB and InfluxDB setup for IoT projects. The following sections detail InfluxQL’s SELECT statement and useful query syntax for exploring your data. This topic describes the InfluxDB query editor, modes and querying the InfluxDB data source. The SELECT clause is required when querying data in SQL. 8 stable you can do this "indexing" using continuous fanout queries. Feel free to download the dataset provided in Sample Data and follow along with the documentation. In 0. InfluxDB 3 Core is the latest stable version. Query fields and tags Use filter() to query data based on fields, tags, or any other column value. Syntax Examples Common issues Regular expressions Data types and cast operations Merge behavior Multiple statements Syntax SELECT <field_key>[,<field_key>,<tag_key>] FROM <measurement_name>[,<measurement_name>] 3 days ago · The INFLUXDB_USER_TAG environment variable controls the User_ID tag written to all InfluxDB measurements. 4 hours ago · Compare InfluxDB, TimescaleDB and ClickHouse for time-series data in 2025. filter() performs operations similar to the SELECT statement and the WHERE clause in InfluxQL and other SQL-like query languages. SELECT statement This page documents an earlier version of InfluxDB OSS. InfluxQL tutorial The first seven documents in this section provide a tutorial-style introduction to InfluxQL. Syntax Examples Syntax Jul 24, 2024 · InfluxDB is a time-series database that uses a SQL-like query language called InfluxQL. InfluxQL is an SQL-like query language for interacting with data in InfluxDB. Data exploration A basic InfluxQL query that queries data from InfluxDB most commonly includes SELECT, FROM, and WHERE clauses. SELECT statement Use the SELECT statement to query data from a particular measurement or measurements. id: Learn to query data stored in InfluxDB using Flux and tools such as the InfluxDB user interface and the ‘influx’ command line interface. This tag enables query-level data filtering without requiring separate databases. This section introduces InfluxQL, the InfluxDB SQL-like query language for working with data in InfluxDB databases. For example, in the following query, an aggregate function is applied to one field, but not the other:. bunwgdcvimtzvcdptijkujbvjvalypgtevmcxvvcmegmygy