don't pull filters beyond modification nodes

2016-04-15 18:10:16 +02:00 · 2016-04-15 18:10:16 +02:00 · bbac0b673f
parent 18f54c2dde
commit bbac0b673f
1 changed files with 5 additions and 0 deletions
--- a/arangod/Aql/OptimizerRules.cpp
+++ b/arangod/Aql/OptimizerRules.cpp
@ -1268,6 +1268,11 @@ void arangodb::aql::moveFiltersUpRule(Optimizer* opt, ExecutionPlan* plan,
        // must not move a filter beyond a node that can throw
        break;
      }
+      
+      if (current->isModificationNode()) {
+        // must not move a filter beyond a modification node
+        break;
+      }

      if (current->getType() == EN::CALCULATION) {
        // must not move a filter beyond a node with a non-deterministic result