* fix the bugs of delete all and compact
Signed-off-by: Ngodchen0212 <qingxiang.chen@zilliz.com>

* fix the wrong usages in unittest
Signed-off-by: Ngodchen0212 <qingxiang.chen@zilliz.com>

* fix the bug of insert makes no effect
Signed-off-by: Ngodchen0212 <qingxiang.chen@zilliz.com>

* add character check in ExtraFileInfo and change the const size and type
Signed-off-by: Ngodchen0212 <qingxiang.chen@zilliz.com>

* format code
Signed-off-by: Ngodchen0212 <qingxiang.chen@zilliz.com>

* fix wrong test case
Signed-off-by: Ngodchen0212 <qingxiang.chen@zilliz.com>