Refactor ResultSummary statistics -> updateStatistics

Author: oskarhane

examples/node.js

@@ -29,7 +29,7 @@ streamResult.subscribe({
     var summary = streamResult.summarize();
     //Print number of nodes created
     console.log('');
-    console.log(summary.statistics.nodesCreated());
+    console.log(summary.updateStatistics.nodesCreated());
     streamSession.close();
   }, onError: function(error) {
     console.log(error);
@@ -48,7 +48,7 @@ promiseResult.then(function(records) {
   var summary = promiseResult.summarize();
   //Print number of nodes created
   console.log('');
-  console.log(summary.statistics.nodesCreated());
+  console.log(summary.updateStatistics.nodesCreated());
 })
 .catch(function(error) {
   console.log(error);

lib/result.js

@@ -118,14 +118,13 @@ class ResultSummary {
    * @constructor
    * @param {string} statement - The statement this summary is for
    * @param {Object} parameters - Parameters for the statement
-   * @param {string} statementType - How did the statement effect the database
-   * @param {Object} statistics - Result statistics
+   * @param {Object} metadata - Statement metadata
    */
   constructor(statement, parameters, metadata) {
     let {type: statementType, stats: statistics, plan, profile} = metadata;
     this.statement = {text: statement, parameters};
     this.statementType = statementType;
-    this.statistics = new StatementStatistics(statistics || {});
+    this.updateStatistics = new StatementStatistics(statistics || {});
     this.plan = plan || profile ? new Plan(plan || profile) : false;
     this.profile = profile ? new ProfiledPlan(profile) : false;
   }

test/session.test.js

@@ -84,8 +84,8 @@ describe('session', function() {
       var sum = result.summarize();
       expect(sum.statement.text).toBe( statement );
       expect(sum.statement.parameters).toBe( params );
-      expect(sum.statistics.containsUpdates()).toBe(true);
-      expect(sum.statistics.nodesCreated()).toBe(1);
+      expect(sum.updateStatistics.containsUpdates()).toBe(true);
+      expect(sum.updateStatistics.nodesCreated()).toBe(1);
       expect(sum.statementType).toBe(StatementType.READ_WRITE);
       driver.close(); 
       done();