ticdc(codec): add avro refactor design

[zhangyangyu]

What problem does this PR solve?

Issue Number: ref #5338

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• leoppro
• zhaoxinyu

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[zhangyangyu]

/run-all-tests

[codecov-commenter]

Codecov Report

Merging #5413 (a6c9702) into master (687e248) will decrease coverage by 0.2020%.
The diff coverage is 51.3665%.

Flag	Coverage Δ
cdc	60.9609% <51.3665%> (+0.3623%)	⬆️
dm	51.9602% <ø> (-0.5093%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

@@               Coverage Diff                @@
##             master      #5413        +/-   ##
================================================
- Coverage   56.1240%   55.9219%   -0.2021%     
================================================
  Files           522        528         +6     
  Lines         65325      69935      +4610     
================================================
+ Hits          36663      39109      +2446     
- Misses        25094      27101      +2007     
- Partials       3568       3725       +157     

[zhangyangyu]

/run-all-tests

[zhangyangyu]

/run-verify

[zier-one]

LGTM

[zier-one]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 9033520

[ti-chi-bot]

@zhangyangyu: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

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