ttl: Add some tools to build SQLs for TTL

[lcwangchao]

What problem does this PR solve?

Issue Number: close #39339

What is changed and how it works?

Add some tools to generate SQL of the TTL:

• Add ttl.SQLBuilder to provide some common methods to build a SELECT/DELETE SQL
• Add ttl.ScanQueryGenerator to generate scan task SQLs.

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

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• hawkingrei
• xhebox

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[lcwangchao]

/run-unit-test

[YangKeao]

LGTM

[ti-chi-bot]

@YangKeao: Thanks for your review. The bot only counts approvals from reviewers and higher roles in list, but you're still welcome to leave your comments.

In response to this:

LGTM

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[lcwangchao]

Sure , but table name, or every identifier may have a problem. BTW, FormatSQL is the builder version of EscapeSQL. Check again if you really need escaping everywhere or just datum.

@xhebox Yes, you are right. We still to escape table, partition and column names. I've updated the PR and added some tests.

[hawkingrei]

/merge

[ti-chi-bot]

@hawkingrei: /merge in this pull request requires 2 approval(s).

In response to this:

/merge

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[hawkingrei]

/merge

[ti-chi-bot]

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

Commit hash: bca7ee7

[sre-bot]

TiDB MergeCI notify

CI Name	Result	Duration	Compare with Parent commit
idc-jenkins-ci/integration-cdc-test	🟢 all 39 tests passed	21 min	Existing passed
idc-jenkins-ci-tidb/integration-common-test	🟢 all 17 tests passed	16 min	Existing passed
idc-jenkins-ci-tidb/common-test	🟢 all 11 tests passed	9 min 42 sec	Existing passed
idc-jenkins-ci-tidb/tics-test	🟢 all 1 tests passed	5 min 59 sec	Existing passed
idc-jenkins-ci-tidb/mybatis-test	🟢 all 1 tests passed	5 min 49 sec	Existing passed
idc-jenkins-ci-tidb/integration-ddl-test	🟢 all 6 tests passed	4 min 49 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-2	🟢 all 28 tests passed	4 min 30 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-1	🟢 all 26 tests passed	4 min 18 sec	Existing passed
idc-jenkins-ci-tidb/integration-compatibility-test	🟢 all 1 tests passed	2 min 58 sec	Existing passed
idc-jenkins-ci-tidb/plugin-test	🟢 build success, plugin test success	4min	Existing passed