Don't fail when query_row() is called with an empty SELECT.

2018-03-23 19:13:52 +03:00
parent ce5a14b50a
commit 7b383cc537
4 changed files with 17 additions and 2 deletions
--- a/src/lua/internal/sysbench.sql.lua
+++ b/src/lua/internal/sysbench.sql.lua
@ -299,7 +299,7 @@ end
 function connection_methods.query_row(self, query)
   local rs = self:query(query)

-   if rs == nil then
+   if rs == nil or rs.nrows == 0 then
      return nil
   end