update

Former-commit-id: 0eb9b5f027c49b5734411b5ae4ad9e384129a134
2019-06-30 14:05:45 +08:00 · 2019-06-30 14:05:45 +08:00 · 210c801839
parent 1982887eb2
commit 210c801839
1 changed files with 1 additions and 1 deletions
--- a/cpp/src/db/MySQLMetaImpl.cpp
+++ b/cpp/src/db/MySQLMetaImpl.cpp
@ -1247,7 +1247,7 @@ namespace meta {
 //                }

                Query getSizeQuery = connectionPtr->query();
-                getSizeQuery << "SELECT SUM(size) AS sum " <<
+                getSizeQuery << "SELECT IFNULL(SUM(size),0) AS sum " <<
                             "FROM TableFiles " <<
                             "WHERE file_type <> " << std::to_string(TableFileSchema::TO_DELETE) << ";";