change conns_in_use_ in connection pool to signed int

Former-commit-id: 4c4c2f661deb6f70c2c0b3b0bbe1a67ec182a4aa
2019-06-26 14:07:04 +08:00 · 2019-06-26 14:07:04 +08:00 · e11cdcfe0f
parent 7bd1871f81
commit e11cdcfe0f
1 changed files with 1 additions and 1 deletions
--- a/cpp/src/db/MySQLConnectionPool.h
+++ b/cpp/src/db/MySQLConnectionPool.h
@ -94,7 +94,7 @@ protected:

 private:
    // Number of connections currently in use
-    unsigned int conns_in_use_;
+    int conns_in_use_;

    // Our connection parameters
    std::string db_, user_, password_, server_;