* split insert data accordding to segment row count
Signed-off-by: Ngroot <yihua.mo@zilliz.com>

* fix bug
Signed-off-by: Ngroot <yihua.mo@zilliz.com>

* fix python test failure
Signed-off-by: Ngroot <yihua.mo@zilliz.com>

* typo
Signed-off-by: Ngroot <yihua.mo@zilliz.com>

* fix python test
Signed-off-by: Ngroot <yihua.mo@zilliz.com>

* avoid tiny segment row count
Signed-off-by: Ngroot <yihua.mo@zilliz.com>