SELECT "<field_key>"::field,"<tag_key>"::tagReturns a specific field and tag. The::[field | tag]syntax specifies the identifier’s type. Use this syntax to differentiate between field keys and tag keys that have the same name. FROM子句 SELECT子句支持几种指定数据的格式: FROM <measuremen...
The first thing to notice is that the Flux script uses a less commonly used Flux syntax - square brackets instead of dots to represent member expressions. Regardless, we can see how the steps to generate a threshold check in the UI are defined by this corresponding Flux script. The data th...
For how to specify time when writing data, seeWrite Syntax. For how to specify time when querying data, seeData Exploration. Related entries:point transformation An InfluxQL function that returns a value or a set of values calculated from specified points, but does not return an aggregated valu...
The log level to be emitted. Valid values areerror,warn,info(default), anddebug. Logs that are equal to, or above, the specified level will be emitted. Environment variable:INFLUXDB_LOGGING_LEVEL suppress-logo = false Suppresses the logo output that is printed when the program is started. ...
The syntax is documented, but what I would point out is the apparently odd /.*/ constructor for the “table” is in fact a regular expression (regex) to match the series for which to return values. We could have writtenselect * from example.foo.bar but the .* wildcard enclosed in ...
This library makes it easy to be a client for InfluxDB on .NET!The basic idea behind the library is that it should be able to turn queries directly into objects of your own classes. Much like micro-ORMS such as dapper.The goal is that we want to be able to support LINQ syntax in ...
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InfluxDB specific time aggregations can be specified with syntax:?aggregate=field,field2:time duration Wherefield and field2 are the grouping fields time is static key top) duration is InfluxDB duration (5m = 5 minutes, 3d = 3 days, 4mo = 4 months etc.) (See InfluxDB Documentation)...
The syntax is documented, but what I would point out is the apparently odd /.*/ constructor for the “table” is in fact a regular expression (regex) to match the series for which to return values. We could have writtenselect * from example.foo.bar but the .* wildcard enclosed in th...