Rename Histogram.dataview by Histogram.histogramImplementation

lib/cartodb/models/dataview/histogram.js

@@ -11,7 +11,7 @@ module.exports = class Histogram {
         this.options = options || {};
         this.queries = queries;
 
-        this.dataview = this._getHistogramImplementation();
+        this.histogramImplementation = this._getHistogramImplementation();
     }
 
     _getHistogramImplementation (override) {
@@ -41,8 +41,8 @@ module.exports = class Histogram {
     }
 
     getResult (psql, override, callback) {
-        this.dataview = this._getHistogramImplementation(override);
-        this.dataview.getResult(psql, override, callback);
+        this.histogramImplementation = this._getHistogramImplementation(override);
+        this.histogramImplementation.getResult(psql, override, callback);
     }
 
     // In order to keep previous behaviour with overviews,
@@ -50,18 +50,18 @@ module.exports = class Histogram {
     // the concrete overview implementation
 
     sql (psql, override, callback) {
-        this.dataview.sql(psql, override, callback);
+        this.histogramImplementation.sql(psql, override, callback);
     }
 
     format (result, override) {
-        return this.dataview.format(result, override);
+        return this.histogramImplementation.format(result, override);
     }
 
     getType () {
-        return this.dataview.getType();
+        return this.histogramImplementation.getType();
     }
 
     toString () {
-        return this.dataview.toString();
+        return this.histogramImplementation.toString();
     }
 };