[statistics] Add PCI device filter option

1 files changed, 3 insertions, 3 deletions

diff --git a/modules-available/statistics/inc/hardwarequerycolumn.inc.php b/modules-available/statistics/inc/hardwarequerycolumn.inc.php
index d073530b..5e16bcd9 100644
--- a/modules-available/statistics/inc/hardwarequerycolumn.inc.php
+++ b/modules-available/statistics/inc/hardwarequerycolumn.inc.php
@@ -30,9 +30,9 @@ class HardwareQueryColumn
 	/**
 	 * Add necessary conditions, joins, columns to final SQL arrays. To be called
 	 * from HardwareQuery::buildQuery().
-	 * @param bool $groupConcat whether to add distinct GROUP_CONCAT to column.
+	 * @param array if column name is in this array, add as distinct GROUP_CONCAT to column.
 	 */
-	public function generate(array &$joins, array &$columns, array &$params, bool $groupConcat)
+	public function generate(array &$joins, array &$columns, array &$params, array $groupConcat = [])
 	{
 		if ($this->global) {
 			$srcTable = 'shw';
@@ -53,7 +53,7 @@ class HardwareQueryColumn
 		// INNER JOIN, so the result will be empty if the condition doesn't match.
 		$type = count($this->conditions) === 1 ? 'LEFT' : 'INNER';
 		$joins[] = "$type JOIN $table $tid ON (" . implode(' AND ', $this->conditions) . ")";
-		if ($groupConcat) {
+		if (!in_array($this->alias, $groupConcat)) {
 			$columns[] = "Group_Concat(DISTINCT $tid.`value` SEPARATOR ', ') AS `{$this->alias}`";
 		} else {
 			$columns[] = "$tid.`value` AS `{$this->alias}`";