Function InferBinaryType

pkg/sql/sem/tree/typing.go:16–22

InferBinaryType infers the return type of a binary expression, given the type of its inputs.

(bin treebin.BinaryOperatorSymbol, leftType, rightType *types.T)

// InferBinaryType infers the return type of a binary expression, given the type
// of its inputs.
func InferBinaryType(bin treebin.BinaryOperatorSymbol, leftType, rightType *types.T) *types.T {
	o, ok := FindBinaryOverload(bin, leftType, rightType)
	if !ok {
		return nil
	}
	return o.ReturnType
}

// FindBinaryOverload finds the correct type signature overload for the
// specified binary operator, given the types of its inputs. If an overload is