* Feat: support use keep while create super table.
* Test(keep): add test for create super table with keep option.
* Feat(keep): Add tmsg for create keep.
* Feat(keep): support alter table option keep.
* Fix(keep): Add baisc test for alter table option.
* Fix(keep): memory leek.
* Feat(keep): add keep to metaEntry&metaCache and fix earliestTs with stn keep.
* Test(keep): add some cases for select with stb keep.
* Fix: fix ci core while alter stb.
* Feat(keep): delete expired data in super table level.
* Feat: remove get stb keep while query.
* Fix : build error.
* Revert "Fix : build error."
This reverts commit 0ed66e4e848e5528d57f5a7c9fa7600c4742a71c.
* Revert "Feat(keep): delete expired data in super table level."
This reverts commit 36330f6b4c587bc126d3f75480d81e637d7601e6.
* Fix : build errors.
* Feat : support restart taosd.
* Fix : alter table comment problems.
* Test : add tests for super table keep.
* Fix: change sdb stb reserve size.
* Test: add more tests.
* Feat: Disable normal tables and sub tables from setting the keep parameter
* Fix: add more checks to avoid unknown address.
* Docs: Add docs for stable keep.
* Fix: some review changes.
* Fix: review errors.
Zhixiao Bao
Yibo Liu
Ping Xiao
gccgdb1234