AddFilterExpr adds a filter expression to a logselector expression.

IsLogicalBinOp tests whether an operation is a logical/set binary operation.

ParseExpr parses a string and returns an Expr.

ParseLabels parses labels from a string using logql tool.

ParseLogSelector parses a log selector expression `{app="foo"} |= "filter"`.

ParseMatchers parses a string and returns labels matchers, if the expression contains anything else it will return an error.

ParseSampleExpr parses a string and returns the sampleExpr.

conversion Op.

function filters.

parsers.

range vector ops.

binops - operations.

binops - comparison.

binops - logical/set.

vector ops.

VectorMatching describes how elements from two Vectors in a binary operation are supposed to be matched.

Expr is the root expression which can be a SampleExpr or LogSelectorExpr.

LogPipelineExpr is an expression defining a log pipeline.

LogSelectorExpr is a LogQL expression filtering and returning logs.

SampleExpr is a LogQL expression filtering logs and returning metric samples.

StageExpr is an expression defining a single step into a log pipeline.

MultiStageExpr is multiple stages which implement a PipelineExpr.

Type alias for backward compatibility.

Type alias for backward compatibility.

VectorMatchCardinality describes the cardinality relationship of two Vectors in a binary operation.