From 020d00aa084562f7c9c7f44e99d6ece739f81689 Mon Sep 17 00:00:00 2001
From: sgiehl <stefan@matomo.org>
Date: Tue, 2 Jul 2024 18:50:42 +0200
Subject: [PATCH] Ensure correct aggregation of min/max event value metrics

---
 plugins/Events/API.php                        |  9 +++++++++
 .../Events/RecordBuilders/EventReports.php    |  3 ++-
 ...gory_lastN__API.getProcessedReport_day.xml |  4 ++--
 ...__rankingQuery__Events.getCategory_day.xml | 20 +++++++++----------
 4 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/plugins/Events/API.php b/plugins/Events/API.php
index 0b3213fd1063..92df1cfb0f46 100644
--- a/plugins/Events/API.php
+++ b/plugins/Events/API.php
@@ -10,6 +10,8 @@
 namespace Piwik\Plugins\Events;
 
 use Piwik\Archive;
+use Piwik\DataTable;
+use Piwik\Metrics;
 use Piwik\Piwik;
 
 /**
@@ -154,6 +156,13 @@ protected function getDataTable($name, $idSite, $period, $date, $segment, $expan
 
         $dataTable = Archive::createDataTableFromArchive($recordName, $idSite, $period, $date, $segment, $expanded, $flat, $idSubtable);
 
+        $dataTable->filter(function ($dataTable) {
+            $dataTable->setMetadata(DataTable::COLUMN_AGGREGATION_OPS_METADATA_NAME, [
+                Metrics::INDEX_EVENT_MIN_EVENT_VALUE => 'min',
+                Metrics::INDEX_EVENT_MAX_EVENT_VALUE => 'max',
+            ]);
+        });
+
         if ($flat) {
             $dataTable->filterSubtables('Piwik\Plugins\Events\DataTable\Filter\ReplaceEventNameNotSet');
         } else {
diff --git a/plugins/Events/RecordBuilders/EventReports.php b/plugins/Events/RecordBuilders/EventReports.php
index 72a0b9cd2f6e..2a07364cf418 100644
--- a/plugins/Events/RecordBuilders/EventReports.php
+++ b/plugins/Events/RecordBuilders/EventReports.php
@@ -51,7 +51,8 @@ public function getRecordMetadata(ArchiveProcessor $archiveProcessor): array
 
         foreach ($records as $record) {
             $record->setMaxRowsInTable($maximumRowsInDataTable)
-                ->setMaxRowsInSubtable($maximumRowsInSubDataTable);
+                ->setMaxRowsInSubtable($maximumRowsInSubDataTable)
+                ->setBlobColumnAggregationOps($this->columnAggregationOps);
         }
 
         return $records;
diff --git a/tests/PHPUnit/System/expected/test_CustomEvents_Events.getCategory_lastN__API.getProcessedReport_day.xml b/tests/PHPUnit/System/expected/test_CustomEvents_Events.getCategory_lastN__API.getProcessedReport_day.xml
index b027438a3dc9..6433ad093bcf 100644
--- a/tests/PHPUnit/System/expected/test_CustomEvents_Events.getCategory_lastN__API.getProcessedReport_day.xml
+++ b/tests/PHPUnit/System/expected/test_CustomEvents_Events.getCategory_lastN__API.getProcessedReport_day.xml
@@ -181,7 +181,7 @@
 		<nb_events>69</nb_events>
 		<nb_events_with_value>14</nb_events_with_value>
 		<sum_event_value>137.96</sum_event_value>
-		<min_event_value>28.32</min_event_value>
-		<max_event_value>52.32</max_event_value>
+		<min_event_value>0</min_event_value>
+		<max_event_value>23</max_event_value>
 	</reportTotal>
 </result>
\ No newline at end of file
diff --git a/tests/PHPUnit/System/expected/test_reportLimitingwithNegOneLabel__rankingQuery__Events.getCategory_day.xml b/tests/PHPUnit/System/expected/test_reportLimitingwithNegOneLabel__rankingQuery__Events.getCategory_day.xml
index 980dbf026790..86558df94a87 100644
--- a/tests/PHPUnit/System/expected/test_reportLimitingwithNegOneLabel__rankingQuery__Events.getCategory_day.xml
+++ b/tests/PHPUnit/System/expected/test_reportLimitingwithNegOneLabel__rankingQuery__Events.getCategory_day.xml
@@ -7,8 +7,8 @@
 		<nb_events>1</nb_events>
 		<nb_events_with_value>0</nb_events_with_value>
 		<sum_event_value>0</sum_event_value>
-		<min_event_value>0</min_event_value>
-		<max_event_value>0</max_event_value>
+		<min_event_value/>
+		<max_event_value/>
 		<avg_event_value>0</avg_event_value>
 		<segment>eventCategory==-1</segment>
 		<subtable>
@@ -19,8 +19,8 @@
 				<nb_events>1</nb_events>
 				<nb_events_with_value>0</nb_events_with_value>
 				<sum_event_value>0</sum_event_value>
-				<min_event_value>0</min_event_value>
-				<max_event_value>0</max_event_value>
+				<min_event_value/>
+				<max_event_value/>
 				<avg_event_value>0</avg_event_value>
 			</row>
 		</subtable>
@@ -32,8 +32,8 @@
 		<nb_events>1</nb_events>
 		<nb_events_with_value>0</nb_events_with_value>
 		<sum_event_value>0</sum_event_value>
-		<min_event_value>0</min_event_value>
-		<max_event_value>0</max_event_value>
+		<min_event_value/>
+		<max_event_value/>
 		<avg_event_value>0</avg_event_value>
 		<segment>eventCategory==event+category+0</segment>
 		<subtable>
@@ -44,8 +44,8 @@
 				<nb_events>1</nb_events>
 				<nb_events_with_value>0</nb_events_with_value>
 				<sum_event_value>0</sum_event_value>
-				<min_event_value>0</min_event_value>
-				<max_event_value>0</max_event_value>
+				<min_event_value/>
+				<max_event_value/>
 				<avg_event_value>0</avg_event_value>
 			</row>
 		</subtable>
@@ -57,8 +57,8 @@
 		<nb_events>19</nb_events>
 		<nb_events_with_value>0</nb_events_with_value>
 		<sum_event_value>0</sum_event_value>
-		<min_event_value>0</min_event_value>
-		<max_event_value>0</max_event_value>
+		<min_event_value/>
+		<max_event_value/>
 		<avg_event_value>0</avg_event_value>
 	</row>
 </result>
\ No newline at end of file