Struct ScalarFunction

pkg/expression/scalar_function.go:41–49

ScalarFunction is the function that returns a value.

// ScalarFunction is the function that returns a value.
type ScalarFunction struct {
	FuncName model.CIStr
	// RetType is the type that ScalarFunction returns.
	// TODO: Implement type inference here, now we use ast's return type temporarily.
	RetType           *types.FieldType `plan-cache-clone:"shallow"`
	Function          builtinFunc
	hashcode          []byte
	canonicalhashcode []byte
}

// VecEvalInt evaluates this expression in a vectorized manner.
func (sf *ScalarFunction) VecEvalInt(ctx EvalContext, input *chunk.Chunk, result *chunk.Column) error {