[bugfix] check before optimizing innerExpr

eXist-db · Apr 24, 2023 · 5c383b5 · 5c383b5
1 parent 3892ebe
commit 5c383b5
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/...nsions/indexes/range/src/main/java/org/exist/xquery/modules/range/RangeQueryRewriter.java b/...nsions/indexes/range/src/main/java/org/exist/xquery/modules/range/RangeQueryRewriter.java
@@ -69,6 +69,11 @@ public Pragma rewriteLocationStep(final LocationStep locationStep) throws XPathE
  }
 
  Expression innerExpr = pred.getExpression(0);
+ if(innerExpr instanceof InternalFunctionCall && ((InternalFunctionCall) innerExpr).getFunction() instanceof Lookup ) {
+ // innerExpr was already optimized
+ continue;
+ }
+
  List<LocationStep> steps = getStepsToOptimize(innerExpr);
  if (steps == null || steps.isEmpty()) {
  // no optimizable steps found