Crate prometheus_parser

Structs

• Aggregation
  A function aggregation clause.
• Function
  A function call.
• Group
  An expression explicitly grouped in parens
• Label
  A label matcher in a selector
• LabelSetOpTuple
• Matching
  An operator matching clause
• MatchingGroup
  A matching clause’s nested grouping clause
• Operator
  A binary operator expression with left- and right-hand sides.
• ReturnValue
  A predicted return value from an expression
• Selector
  A Selector that retrieves time series data from Prometheus
• Span
  A byte-index tuple representing a span of characters in a string
• Subquery
  A Subquery which converts an instant vector to a range vector by repeatedly evaluating it at set intervals into the relative past
• UnknownCause

Enums

• AggregationOp
  Aggregation operator types, namely “by” and “without”
• Expression
  A root expression node.
• LabelOp
  Label equality operators
• LabelSetOp
  An operation on time series labels that might be performed by a particular (sub-)expression.
• MatchingGroupOp
  Matching group clause types (group_left, group_right)
• MatchingOp
  A matching clause type
• OperatorKind
  All legal binary operator types
• PromDuration
  A Prometheus duration
• ReturnKind
  A predicted return datatype

Functions

• parse_expr
  Parses a Prometheus expression into a syntax tree.

Type Aliases

• BExpression
• Result