function

Documentation

Index

• Variables
• func IsExtFunction(functionName string) bool
• func NewFunctionOperator(funcExpr *logicalplan.FunctionCall, nextOps []model.VectorOperator, ...) (model.VectorOperator, error)

Variables

var XFunctions = map[string]*parser.Function{
	"xdelta": {
		Name:       "xdelta",
		ArgTypes:   []parser.ValueType{parser.ValueTypeMatrix},
		ReturnType: parser.ValueTypeVector,
	},
	"xincrease": {
		Name:       "xincrease",
		ArgTypes:   []parser.ValueType{parser.ValueTypeMatrix},
		ReturnType: parser.ValueTypeVector,
	},
	"xrate": {
		Name:       "xrate",
		ArgTypes:   []parser.ValueType{parser.ValueTypeMatrix},
		ReturnType: parser.ValueTypeVector,
	},
}

Functions

func IsExtFunction

func IsExtFunction(functionName string) bool

IsExtFunction is a convenience function to determine whether extended range calculations are required.

func NewFunctionOperator

func NewFunctionOperator(funcExpr *logicalplan.FunctionCall, nextOps []model.VectorOperator, stepsBatch int, opts *query.Options) (model.VectorOperator, error)