If there is error return an empty string.

1 files changed, 5 insertions, 1 deletions

diff --git a/searchlib/src/vespa/searchlib/attribute/integerbase.cpp b/searchlib/src/vespa/searchlib/attribute/integerbase.cpp
index 2f4fb899f8f..c288d0507d7 100644
--- a/searchlib/src/vespa/searchlib/attribute/integerbase.cpp
+++ b/searchlib/src/vespa/searchlib/attribute/integerbase.cpp
@@ -62,7 +62,11 @@ IntegerAttribute::getString(DocId doc, char * s, size_t sz) const {
     if (sz > 1) {
         largeint_t v = getInt(doc);
         auto res = std::to_chars(s, s + sz - 1, v, 10);
-        res.ptr[0] = 0;
+        if (res.ec == std::errc()) {
+            res.ptr[0] = 0;
+        } else {
+            s[0] = 0;
+        }
     }
     return s;
 }