check for db.db as db.db.approximateSize not exposed with multilevel

levelgraph · Oct 25, 2015 · c4a4ac3 · c4a4ac3
1 parent 32c5b6e
commit c4a4ac3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/queryplanner.js b/lib/queryplanner.js
@@ -48,7 +48,7 @@ function queryplanner(db, options) {
       var newq = queryMask(q)
         , range = utilities.createQuery(newq);
 
-      if (db.db.approximateSize) {
+      if (db.db && db.db.approximateSize) {
         db.db.approximateSize(range.start, range.end, function(err, size) {
           if (err) {
             size = Object.keys(variablesMask(q)).length;