planner: refacor code to split base package

[hawkingrei]

What problem does this PR solve?

Issue Number: ref #44940
Problem Summary:

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

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

[codecov]

Codecov Report

Merging #45529 (b8bb21e) into master (f96ea53) will increase coverage by 0.0585%.
The diff coverage is 92.2261%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #45529        +/-   ##
================================================
+ Coverage   73.2295%   73.2881%   +0.0585%     
================================================
  Files          1265       1269         +4     
  Lines        389624     390475       +851     
================================================
+ Hits         285320     286172       +852     
- Misses        86005      86006         +1     
+ Partials      18299      18297         -2     

Flag	Coverage Δ
integration	78.1388% <ø> (?)
unit	73.2797% <92.2261%> (+0.0501%)	⬆️

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

Components	Coverage Δ
dumpling	54.0444% <ø> (ø)
parser	85.0663% <ø> (+0.0109%)	⬆️
br	52.1451% <ø> (+0.0084%)	⬆️

[hawkingrei]

/test tiprow_fast_test

[ti-chi-bot]

@hawkingrei: The specified target(s) for /test were not found.
The following commands are available to trigger required jobs:

• /test build
• /test canary-scan-security
• /test check-dev
• /test check-dev2
• /test mysql-test
• /test pingcap/tidb/canary_ghpr_unit_test
• /test pull-br-integration-test
• /test pull-common-test
• /test pull-e2e-test
• /test pull-integration-common-test
• /test pull-integration-copr-test
• /test pull-integration-ddl-test
• /test pull-integration-jdbc-test
• /test pull-integration-mysql-test
• /test pull-sqllogic-test
• /test pull-tiflash-test
• /test unit-test

The following commands are available to trigger optional jobs:

• /test pull-notify-when-compatibility-sections-changed

Use /test all to run the following jobs that were automatically triggered:

• pingcap/tidb/ghpr_build
• pingcap/tidb/ghpr_check
• pingcap/tidb/ghpr_check2
• pingcap/tidb/ghpr_mysql_test
• pingcap/tidb/ghpr_unit_test

In response to this:

/test tiprow_fast_test

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.

[hawkingrei]

/retest

[hawkingrei]

/retest

[hawkingrei]

/test all

[hawkingrei]

/test all

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chrysan, time-and-fate

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [chrysan,time-and-fate]

Approvers can indicate their approval by writing /approve in a comment
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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-07-24 14:18:32.679372982 +0000 UTC m=+191255.273903970: ☑️ agreed by time-and-fate.
• 2023-07-25 09:39:40.129971611 +0000 UTC m=+260922.724502599: ☑️ agreed by chrysan.