LogQL.md

LogQL

Individual LogQL parts (used in the parent class). You can also use them individually for separate needs.

{env="staging"} |= "req-xxx" | pattern `ok: <ok>` | ok = "true" | unpack
^^^             ^^^          ^^^                  ^^^           ^^^
StreamSelector  LineFilters  ParserExpression     LabelFilters  ParserExpression

• StreamSelector
• LineFilters
• LabelFilters
• ParserExpression

API

constructor

Initializes a new instance of the LogQL class.

Available init types are:

• string - Create an instance of LogQL with a lineContains (lineFilter) operator.
• string[] - Create an instance of LogQL with multiple lineContains (lineFilter) operators.
• StreamSelector - Create an instance of LogQL based on a StreamSelector subclass.
• LineFilters - Create an instance of LogQL based on a LineFilters subclass.
• StreamSelector - Create an instance of LogQL based on a LabelFilters subclass.
• ParserExpression - Create an instance of LogQL based on a ParserExpression subclass.

---

Properties of the class are:

• streamSelector - see StreamSelector
• lineFilters - see LineFilters
• labelFilters - see LabelFilters
• parserExpression - see ParserExpression

lineEq(value: string): LogQL

Add a lineContains (|=) line filter.

lineNotEq(value: string): LogQL

Add a lineDoesNotContain (!=) line filter.

lineRegEq(value: string): LogQL

Add a lineContainsRegexMatch (|~)

lineRegNotEq(value: string): LogQL

Add a lineDoesNotContainRegexMatch (!~) line filter.

toString(): string

Converts the LogQL instance into a LogQL query string. Returns a string representing the LogQL query.