explicit null check

packaged · Apr 20, 2016 · 0e3ff55 · 0e3ff55
1 parent d4e6b64
commit 0e3ff55
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Assembler/Segments/ClauseAssembler.php b/src/Assembler/Segments/ClauseAssembler.php
@@ -71,7 +71,7 @@ public function assembleJoinClause(JoinClause $clause)
     $segments = [];
     $source = $clause->getSource();
     $destination = $clause->getDestination();
-    if($source && $destination)
+    if($source !== null && $destination !== null)
     {
       $segments[] = $this->assembleSegment($source)
         . ' = ' . $this->assembleSegment($destination);