QT mysql无法操作

[weixin_38066328]

我连接MYSQL数据库显示可以连接上，但是对已连接上的数据库添加表，插入数据全部失败create table: "cfg_trgops" "Table 'cfg_trgops' already exists QMYSQL: Unable to execute query""To DB add is error ! Using unsupported buffer type: -842150451 (parameter: 1) QMYSQL3: Unable to bind value" "To DB add is error ! Using unsupported buffer type: -842150451 (parameter: 1) QMYSQL3: Unable to bind value" "To DB add is error ! Using unsupported buffer type: -842150451 (parameter: 1) QMYSQL3: Unable to bind value" "To DB add is error ! Using unsupported buffer type: -842150451 (parameter: 1) QMYSQL3: Unable to bind value" "To DB add is error ! Using unsupported buffer type: -842150451 (parameter: 1) QMYSQL3: Unable to bind value" "To DB add is error ! Using unsupported buffer type: -842150451 (parameter: 1) QMYSQL3: Unable to bind value" "To DB add is error ! Using unsupported buffer type: -842150451 (parameter: 1) QMYSQL3: Unable to bind value" 这是什么原因？