* handle Unexpected transaction rollback

* fix ci Errpr

* Fix wrong location

* Fix sort import

* Fix error

* Fix comment

* Fix comment

* add Unit Testing

* WIP: prepare for rebase

* wrong commit

* wrong commit

* Remove incorrect go mods

* sort import

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Co-authored-by: FengZhang <zfcode@qq.com>

* feat:add more linter

* feat:change golangclilint version to 1.57.x to support more linter

* feat:adjust lint conf and adjust the code to pass the check

* style: format some code; fix: some sql statement or rows was not been closed

---------

Co-authored-by: JayLiu <38887641+luky116@users.noreply.github.com>

* feat:add more linter

* feat:change golangclilint version to 1.57.x to support more linter

* feat:adjust lint conf and adjust the code to pass the check

---------

Co-authored-by: JayLiu <38887641+luky116@users.noreply.github.com>

* fix undo log parser type jackson not found

* update config_test.go

optimize go imports style

feat(undo) add the use of undo log serialization

optimize error

* use undo config

* refactor delete and insert executor

* add data check before rollbeck

optimize  rollback

optimize meta data

* fix timeout config & panic log lost

* format & fix rollback

* optimize at

add insert undo log function

add undo function

add undo log manager-flush undo log func #269

* feat: add sync worker and fmt

* feat: update

* feat: update

* feat: update

* feat: update

* feat: update

* feat: update

* feat: update

* feat: fix spell

* feat: fix conflict

Co-authored-by: Xin.Zh <dragoncharlie@foxmail.com>
Co-authored-by: haohongfan1 <haohongfan1@jd.com>

feat: add mysql update undo log builder

* refactor:seata conn

* test: add unit test

* test: add unit test

feat:add has undo log table func

feature:add DeleteUndoLogs func, issue:#217

feature: add transaction at datasource