Merge branch 'master' into client-deprecate-eof

Author: lance6716

client/client_test.go

@@ -282,6 +282,7 @@ func (s *clientTestSuite) testStmt_DropTable() {
 
 	stmt, err := s.c.Prepare(str)
 	require.NoError(s.T(), err)
+	require.Zero(s.T(), stmt.WarningsNum())
 
 	defer stmt.Close()