Refs #2378: mv EO->OE to reflect actual data name

lib/pipeline/documentSources/ProjectDocumentSource.js

@@ -13,7 +13,7 @@ var ProjectDocumentSource = module.exports = (function(){
 	var klass = module.exports = ProjectDocumentSource = function ProjectDocumentSource(ctx){
 		if(arguments.length > 1) throw new Error("up to one arg expected");
 		base.call(this, ctx);
-		this.EO = new ObjectExpression();
+		this.OE = new ObjectExpression();
 		this._raw = undefined;
 	}, base = require('./DocumentSource'), proto = klass.prototype = Object.create(base.prototype, {constructor:{value:klass}});
 
@@ -65,7 +65,7 @@ var ProjectDocumentSource = module.exports = (function(){
 		if (!inDocument) throw new Error('inDocument must be an object');
 
 		var resultDocument = {};
-		this.EO.addToDocument(resultDocument, inDocument, /*root=*/inDocument);
+		this.OE.addToDocument(resultDocument, inDocument, /*root=*/inDocument);
 		return resultDocument;
 	};
 
@@ -74,7 +74,7 @@ var ProjectDocumentSource = module.exports = (function(){
 	 * @return
 	 **/
 	proto.optimize = function optimize() {
-		this.EO.optimize();
+		this.OE.optimize();
 	};
 
 	proto.toJSON = function toJSON(){
@@ -84,13 +84,13 @@ var ProjectDocumentSource = module.exports = (function(){
 	};
 
 	/**
-	 * Places a $project key inside the builder object with value of this.EO
+	 * Places a $project key inside the builder object with value of this.OE
 	 * @method sourceToJson
 	 * @param {builder} An object (was ported from BsonBuilder)
 	 * @return
 	 **/
 	proto.sourceToJson = function sourceToJson(builder, explain) {
-		var insides = this.EO.toJSON(true);
+		var insides = this.OE.toJSON(true);
 		builder[this.getSourceName()] = insides;
 	};
 
@@ -118,7 +118,7 @@ var ProjectDocumentSource = module.exports = (function(){
 		if(!exprObj.getFieldCount()) {
 			throw new Error("16403, $projection requires at least one output field");
 		}
-		project.EO = exprObj;
+		project.OE = exprObj;
 		return project;
 	};
 
@@ -129,7 +129,7 @@ var ProjectDocumentSource = module.exports = (function(){
 	 **/
 	proto.getDependencies = function getDependencies(deps) {
 		var path = [];
-		this.EO.addDependencies(deps, path);
+		this.OE.addDependencies(deps, path);
 		return base.GetDepsReturn.EXHAUSTIVE;
 	};