Update last tuple in period instead of first

volkszaehler · Jun 2, 2015 · 48a87c5 · 48a87c5
1 parent bc54bec
commit 48a87c5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/misc/tools/vzcompress2.php b/misc/tools/vzcompress2.php
@@ -260,7 +260,7 @@ private function compressChannel($channel) {
 
 				// Step 2.1: Get new Value for timeframe
 				$newset = $this->sql_query(
-					"SELECT " . $interpreter::groupExprSQL("value") . " AS newval, COUNT(value) AS datapoints, MIN(id) AS updateid ".
+					"SELECT " . $interpreter::groupExprSQL("value") . " AS newval, COUNT(value) AS datapoints, MAX(id) AS updateid ".
 					"FROM data WHERE channel_id = ? AND timestamp > ? AND timestamp <= ?",
 					array($channel['id'], $lastcurtime, $curtime)
 				);