parser: small regex optimization

2017-11-04 14:32:41 +02:00 · 2017-11-04 14:32:41 +02:00 · f794cea6e7
parent f59c899ae5
commit f794cea6e7
1 changed files with 5 additions and 1 deletions
--- a/lib/parser/parser.cc
+++ b/lib/parser/parser.cc
@ -104,7 +104,11 @@ regex (const ProcIface::FieldInfoVec& fields, const std::string& v,
 								 field.id, term)}));
 			}
 		}
-		return tree;
+
+		if (tree.children.empty())
+			return empty();
+		else
+			return tree;

 	} catch (...) {
 		// fallback