xiarixiaoyao 444ff496a4 [RFC-33] [HUDI-2429][Stacked on HUDI-2560] Support full Schema evolution for Spark (#4910) ...

* [HUDI-2560] introduce id_based schema to support full schema evolution.

* add test for FileBasedInternalSchemaStorageManger and rebase code

* add support for change column type and fix some test case

* fix some bugs encountered in the production env and delete useless code

* fix test error

* rebase code

* fixed some nested schema change bugs

* [HUDI-2429][Stacked On HUDI-2560]Support full schema evolution for spark

* [use dummyInternalSchema instead of null]

* add support for spark3.1.x

* remove support for spark3.1.x , sicne some compile fail

* support spark3.1.x

* rebase and prepare solve all comments

* address all comments

* rebase code

* fixed the count(*) bug

* try to get internalSchema by parser commit file/history file directly, not use metaclient which is time cost
address some comments

* fixed all comments

* fix new comments

* rebase code,fix UT failed

* fixed mistake

* rebase code ,fixed new comments

* rebase code , and prepare for address new comments

* address commits

* address new comments

* fix new issues

* control fallback original write logical

2022-04-01 13:20:24 -07:00

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