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-rw-r--r--engine/lib/river.php3
1 files changed, 3 insertions, 0 deletions
diff --git a/engine/lib/river.php b/engine/lib/river.php
index 1a2be1e50..143ff035f 100644
--- a/engine/lib/river.php
+++ b/engine/lib/river.php
@@ -185,6 +185,9 @@ function elgg_delete_river(array $options = array()) {
$query = "DELETE rv.* FROM {$CONFIG->dbprefix}river rv ";
+ // remove identical join clauses
+ $joins = array_unique($options['joins']);
+
// add joins
foreach ($joins as $j) {
$query .= " $j ";