* ddl: fix partition schemadiff operation
Signed-off-by: xhe <xw897002528@gmail.com>

* ddl: reword
Signed-off-by: xhe <xw897002528@gmail.com>

* *: update schemadiff even if infoHandle is invalid
Signed-off-by: xhe <xw897002528@gmail.com>

* *: add unit test case without infohandle
Signed-off-by: xhe <xw897002528@gmail.com>

* *: use delay
Signed-off-by: xhe <xw897002528@gmail.com>

* *: longer delay
Signed-off-by: xhe <xw897002528@gmail.com>

* *: fix test
Signed-off-by: xhe <xw897002528@gmail.com>

* *: always fetch rules
Signed-off-by: xhe <xw897002528@gmail.com>
Co-authored-by: Arenatlx <314806019@qq.com>
Co-authored-by: Ti Chi Robot <71242396+ti-chi-bot@users.noreply.github.com>