Mixin to provide alias methods to an expression.
define(null, {
Create an SQL alias patio.sql.AliasedExpression of the receiving column or expression to the given alias.
Example
sql.identifier("column").as("alias");
//=> "column" AS "alias"
Arguments
the alias to assign to the expression.
patio.sql.AliasedExpression the aliased expression.
function (alias){
return new AliasedExpression(this, alias);
}