Module promql_rs::ast

Structs

• AggregateExpr
  An aggregation expression.
• BinaryExpr
  A binary expression.
• FunctionCall
  A function call expression.
• LabelMatcher
  The matching of a label.
• MatrixSelector
  A matrix selector expression.
• NumberLiteral
  Number literals can be written as literal integer (octal, decimal, or hexadecimal) or floating-point numbers.
• ParenExpr
  A paren expression.
• StringLiteral
  Strings may be specified as literals in single quotes or double quotes.
• SubqueryExpr
  A subquery expression.
• UnaryExpr
  An unary expression. Unary operations are only supported for scalars.
• VectorMatching
  Describes how elements from two vectors in a binary operation are supposed to be matched.
• VectorSelector
  A vector selector expression.

Enums

• AggregateModifier
  The aggregation modifier can be used to indicate the aggregation operators to use or exclude certain dimensions.
• AggregateOp
  Aggregation operators can be used to aggregate the elements of a single vector, resulting in a new vector of fewer elements with aggregated values.
• AtModifier
  The @ modifier allows changing the evaluation time for individual instant and range vectors in a query. The time supplied is a UNIX timestamp or start()/end().
• BinaryOp
  Binary operators can do logical and arithmetic operations or comparisons.
• Expr
  The enumaration of all expression types.
• MatchOp
  Match operators are used to compare a label value in a selector with a literal value or a regular expression.
• UnaryOp
  Unary operators.
• ValueType
  The enumaration of all value types.
• VectorMatchCardinality
  Describes the cardinality relashionship of two vectors in a binary operation.
• VectorMatchGrouping
  Describes how two vectors in a binary operation are supposed to be grouped.