Struct CmpOp

pkg/sql/sem/tree/eval.go:1722–1739

CmpOp is a comparison operator.

// CmpOp is a comparison operator.
type CmpOp struct {
	LeftType  *types.T
	RightType *types.T

	// If NullableArgs is false, the operator returns NULL
	// whenever either argument is NULL.
	NullableArgs bool

	// Datum return type is a union between *DBool and dNull.
	Fn func(*EvalContext, Datum, Datum) (Datum, error)

	types       TypeList
	isPreferred bool

	//// counter, if non-nil, should be incremented every time the
	//// operator is type checked.
	//counter telemetry.Counter
}

func (op *CmpOp) params() TypeList {
	return op.types