ApplyRangeWarnings applies warnings encountered during execution.

NewReadHandler creates a handler to handle PromQL requests.

Respond responds with HTTP OK status code and writes response JSON to response body.

WithEngine sets the PromQL engine.

WithInstantEngine sets the PromQL instant engine.

QueryData struct to be used when responding from HTTP handler.

NewQueryFn creates a new promql Query.

Option is a Prometheus handler option.