orange-orm/src/table/relation/newJoinLeg.js

Object Relational Mapper

var newCollection = require('../../newCollection');
var newQueryContext = require('../query/singleQuery/newQueryContext');

function newLeg(relation) {
	var c = {};
	var span = {};
	span.table = relation.childTable;
	span.legs = newCollection();
	span.queryContext = newQueryContext();
	c.span = span;
	c.name = relation.leftAlias;
	c.table = relation.parentTable;
	c.columns = relation.columns;
	c.expand = relation.expand;

	c.accept = function(visitor) {
		return visitor.visitJoin(c);
	};

	return c;
}

module.exports = newLeg;