Make sure API.get does not return extra parameters when columns parameter is supplied.

plugins/API/API.php

@@ -410,6 +410,11 @@ class API extends \Piwik\Plugin\API
                 $this->mergeDataTables($mergedDataTable, $dataTable);
             }
         }
+
+        if (!empty($columnsMap)) {
+            $mergedDataTable->queueFilter('ColumnDelete', array(false, array_keys($columnsMap)));
+        }
+
         return $mergedDataTable;
     }
 

tests/PHPUnit/System/expected/test_ecommerceOrderWithItems_GoalAbandonedCart__Goals.get_day.xml

@@ -5,4 +5,5 @@
 	<conversion_rate>66.67</conversion_rate>
 	<revenue>5020.22</revenue>
 	<items>8</items>
+	<avg_order_revenue>2510.11</avg_order_revenue>
 </result>
\ No newline at end of file

tests/PHPUnit/System/expected/test_ecommerceOrderWithItems_GoalAbandonedCart__Goals.get_week.xml

@@ -5,4 +5,5 @@
 	<conversion_rate>60</conversion_rate>
 	<revenue>7530.33</revenue>
 	<items>12</items>
+	<avg_order_revenue>2510.11</avg_order_revenue>
 </result>
\ No newline at end of file

tests/PHPUnit/System/expected/test_ecommerceOrderWithItems_Metadata_Goals.Get_AbandonedCart__API.getProcessedReport_day.xml

@@ -38,7 +38,7 @@
 		<conversion_rate>66.67%</conversion_rate>
 		<revenue>$ 5020.22</revenue>
 		<items>8</items>
-		<avg_order_revenue>$ 0</avg_order_revenue>
+		<avg_order_revenue>$ 2510.11</avg_order_revenue>
 	</reportData>
 	<reportMetadata />
 	<reportTotal>

tests/PHPUnit/System/expected/test_ecommerceOrderWithItems_scheduled_report_in_csv__ScheduledReports.generateReport_week.original.csv

@@ -166,7 +166,7 @@ label,nb_conversions
 
 Abandoned Carts
 nb_conversions,conversion_rate,revenue,items,avg_order_revenue
-3,60%,$ 7530.33,12,$ 0
+3,60%,$ 7530.33,12,$ 2510.11
 
 Abandoned Carts - Visits to Conversion
 label,nb_conversions

tests/PHPUnit/System/expected/test_ecommerceOrderWithItems_scheduled_report_in_html_tables_only__ScheduledReports.generateReport_week.original.html

@@ -3207,7 +3207,7 @@
                                                                 <td style="font-size: 11pt; border-bottom: 1px solid rgb(231,231,231); padding: 5px 0 5px 5px;">
                                                                                                                                                                         Average Order Value                                                                                                                        </td>
                                             <td style="font-size: 11pt; border-bottom: 1px solid rgb(231,231,231); padding: 5px 0 5px 5px;">
-                                                                                                $ 0
+                                                                                                $ 2510.11
                                                                                     </td>
                                     </tr>
                         </tbody>