parser, ddl: data type default values support `DATE_FORMAT(NOW(),'%Y-%m...')`

[zimulala]

What problem does this PR solve?

Issue Number: close https://github.com/pingcap/tidb/issues/51031

Problem Summary:

• Data type default values support DATE_FORMAT(NOW(),'%Y-%m...')

What changed and how does it work?

Check List

Tests

• [ ] Unit test
• [ ] Integration test
• [ ] Manual test (add detailed scripts or steps below)
• [x] No need to test

  • [ ] I checked and no code files have been changed.

Side effects

• [ ] Performance regression: Consumes more CPU
• [ ] Performance regression: Consumes more Memory
• [ ] Breaking backward compatibility

Documentation

• [ ] Affects user behaviors
• [ ] Contains syntax changes
• [ ] Contains variable changes
• [ ] Contains experimental features
• [ ] Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[tiprow[bot]]

Hi @zimulala. Thanks for your PR.

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[codecov[bot]]

Codecov Report

Merging #51076 (e3986d7) into master (9ee46d4) will decrease coverage by 15.8854%. Report is 24 commits behind head on master. The diff coverage is 59.3750%.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #51076         +/-   ##
=================================================
- Coverage   70.5917%   54.7064%   -15.8854%     
=================================================
  Files          1467       1582        +115     
  Lines        435011     610689     +175678     
=================================================
+ Hits         307082     334086      +27004     
- Misses       108658     253479     +144821     
- Partials      19271      23124       +3853     

Flag	Coverage Δ
integration	36.6890% <18.7500%> (?)
unit	70.3218% <50.0000%> (-0.0689%)	:arrow_down:

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

Components	Coverage Δ
dumpling	54.0825% <ø> (+0.0868%)	:arrow_up:
parser	∅ <ø> (∅)
br	51.1584% <ø> (+5.2703%)	:arrow_up:

[zimulala]

PTAL @tangenta @CbcWestwolf

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: CbcWestwolf, tangenta

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Needs approval from an approver in each of these files:

• ~~pkg/ddl/OWNERS~~ [tangenta]
• ~~pkg/parser/OWNERS~~ [tangenta]

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[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2024-02-26 07:36:52.566061265 +0000 UTC m=+861101.313684380: :ballot_box_with_check: agreed by CbcWestwolf.
• 2024-02-26 10:19:04.613647306 +0000 UTC m=+870833.361270433: :ballot_box_with_check: agreed by tangenta.

[tiprow[bot]]

@zimulala: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
tiprow_fast_test	e3986d7028aa08924473bf61c630e1b648d791e2	link	true	/test tiprow_fast_test

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.