Function FindEqualComparisonFunction

pkg/sql/sem/tree/eval.go:5342–5350

FindEqualComparisonFunction looks up an overload of the "=" operator for a given pair of input operand types.

(
	leftType, rightType *types.T,
)

// FindEqualComparisonFunction looks up an overload of the "=" operator
// for a given pair of input operand types.
func FindEqualComparisonFunction(
	leftType, rightType *types.T,
) (func(*EvalContext, Datum, Datum) (Datum, error), bool) {
	fn, found := CmpOps[EQ].LookupImpl(leftType, rightType)
	if found {
		return fn.Fn, true
	}
	return nil, false
}

// IntPow computes the value of x^y.
func IntPow(x, y DInt) (*DInt, error) {