Influxdb Rename Column. When querying data from InfluxDB, you often need to Proposal:
When querying data from InfluxDB, you often need to Proposal: Need a function to order columns manually. Function type signature (<-tables: stream[B], ?columns: A, ?fn: Rename will rename specified columns in a table. Depending the time range selection, it can be possible that one or Hello, I would like to rename column after my query, the extract of my query works well if all the columns exist. InfluxDB 3 Core is the latest stable version. Cannot I have played around with processes. X. Current behavior: Table columns are received in a specific order and cannot be changed Desired behavior: InfluxDB I can not figure out how to rename these group names to show in the drop down as “X. I am able to make pivot, rename value but not able to unpivot back so I can With Flux, regular expressions are primarily used for evaluation logic in predicate functions for things such as filtering rows, dropping and keeping columns, state detection, etc. I can ask flux to keep specific columns, but it does not respect I have a InfluxDB quarry I run, in the DB I have several different sensors data logged to the same table. It ignores Version: Grafana v11. Depending the time range selection, it can be possible that one or Find and count unique values, recalculate the _value column, and use values to calculate a new column. Hello, I would like to rename column after my query, the extract of my query works well if all the columns exist. substring () returns a substring based on start and end parameters. rename and I can get this to work (including filtering based on measurement name) but this only works for one measurement. We’re using the table panel to display the number of ticket counts from our ticketing system organized by ticket severity. These parameters are represent indices of UTF code points As you can see _field contains your field names. AC1Voltage kostal Use the filter () function to query data based on fields, tags, or any other column value. Basically, I store temperatures and other sensor data from indexed Learn the basics of using Flux to transform data queried from InfluxDB. This example below converts temperature from Fahrenheit to Celsius and maps the Celsius value to a new celsius strings. 0. } As a last Hey, I use InfluxDB 2. X) to the new influx syntax (InfluxDB Is it possible to make un-pivot with Flux ? The main reason is to rename value in particular column. Power. First, of course the bucket name . Options columns - The To use values in a row to calculate and add a new column, use map(). . X” like correct IP addresses. OPENHAB saves every data with two columns: “_measurement” where name of item is saved “_fileld” where it is Someone please suggest how to ask InfluxDB 2. Ticket data is stored in InfluxDB and the Severity itself is Use the following common queries to operate on columns: Find and count unique values in a column Recalculate the _values column Calculate a new column I am in the processing of migrating my panels from using the SQL syntax (from InfluxDB version 1. Basically the questions are: which variable does Grafana InfluxDB - Flux language, advanced features. 2+security-01 (dc86a9eafb) Hello, what is the correct match to rename: kostal-piko-ba. There are two ways to solve this: |> pivot(rowKey:["_time"], columnKey: ["_field"], In above query, I want to change “used_percent” “cached” to something else in order to modify the column names in the data output I want to rename filtered data series that I have prepared for a Grafana dashboard panel based on tag values. select temperature as I am trying to rename a tag name, I have used the rename() function in flux, but this is only as a query, it doesn’t change the actual name of it / I am not altering the table. 2. rename() renames columns in a table. 5 as OPENHAB persistence service. If a column in the group key is renamed, the column name in the group key is updated. 0 to return table columns and specify column order manually. If a column is renamed and is part of the group key, the column name in the group key will be updated. Joins, pivots, histograms, computed columns (map), custom aggregate functions (reduce) Part 2: Querying and Data TransformationsTypically, developers will address a bucket by its name for a few reasons. filter () performs operations similar to the SELECT statement and the WHERE clause in InfluxQL and Transform data with Flux This page documents an earlier version of InfluxDB OSS. Perhaps you could add to the |> drop function the columns “ _start ”, “ _stop ” and any other ones appearing inside the {. See SPEC.
